content: 
  # simple path test
  [cases.test_paths_simple]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "coffee/drip",
              "espresso/espresso") => 0;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "espresso/americano") => 0;
      lfs_rename(&lfs,
              "coffee/turkish",
              "espresso/macchiato") => 0;
      lfs_rename(&lfs,
              "coffee/tubruk",
              "espresso/latte") => 0;
      lfs_rename(&lfs,
              "coffee/vietnamese",
              "espresso/cappuccino") => 0;
      lfs_rename(&lfs,
              "coffee/thai",
              "espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "coffee/drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "espresso/espresso") => 0;
      lfs_remove(&lfs, "espresso/americano") => 0;
      lfs_remove(&lfs, "espresso/macchiato") => 0;
      lfs_remove(&lfs, "espresso/latte") => 0;
      lfs_remove(&lfs, "espresso/cappuccino") => 0;
      lfs_remove(&lfs, "espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # absolute path test
  #
  # littlefs does not provide cd, so these are the same as relative paths
  [cases.test_paths_absolute]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/drip") => 0;
          lfs_mkdir(&lfs, "/coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "/coffee/turkish") => 0;
          lfs_mkdir(&lfs, "/coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "/coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "/coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "coffee/drip",
              "/espresso/espresso") => 0;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "/espresso/americano") => 0;
      lfs_rename(&lfs,
              "/coffee/turkish",
              "espresso/macchiato") => 0;
      lfs_rename(&lfs,
              "/coffee/tubruk",
              "espresso/latte") => 0;
      lfs_rename(&lfs,
              "/coffee/vietnamese",
              "/espresso/cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/thai",
              "/espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "/coffee/drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/espresso") => 0;
      lfs_remove(&lfs, "/espresso/americano") => 0;
      lfs_remove(&lfs, "/espresso/macchiato") => 0;
      lfs_remove(&lfs, "/espresso/latte") => 0;
      lfs_remove(&lfs, "/espresso/cappuccino") => 0;
      lfs_remove(&lfs, "/espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # redundant slashes
  [cases.test_paths_redundant_slashes]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/drip") => 0;
          lfs_mkdir(&lfs, "//coffee//coldbrew") => 0;
          lfs_mkdir(&lfs, "///coffee///turkish") => 0;
          lfs_mkdir(&lfs, "////coffee////tubruk") => 0;
          lfs_mkdir(&lfs, "/////coffee/////vietnamese") => 0;
          lfs_mkdir(&lfs, "//////coffee//////thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "//////coffee//////drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/////coffee/////coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "////coffee////turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "///coffee///tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "//coffee//vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "//coffee//coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "///coffee///turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "////coffee////tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/////coffee/////vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "//////coffee//////thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "//coffee//coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "///coffee///turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "////coffee////tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/////coffee/////vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "//////coffee//////thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "//coffee//coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "///coffee///turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "////coffee////tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/////coffee/////vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "//////coffee//////thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "//////coffee//////drip",
              "/espresso/espresso") => 0;
      lfs_rename(&lfs,
              "/////coffee/////coldbrew",
              "//espresso//americano") => 0;
      lfs_rename(&lfs,
              "////coffee////turkish",
              "///espresso///macchiato") => 0;
      lfs_rename(&lfs,
              "///coffee///tubruk",
              "////espresso////latte") => 0;
      lfs_rename(&lfs,
              "//coffee//vietnamese",
              "/////espresso/////cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/thai",
              "//////espresso//////mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "//////espresso//////espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/////espresso/////americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "////espresso////macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "///espresso///latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "//espresso//cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "//////coffee//////drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/////coffee/////coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "////coffee////turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "///coffee///tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "//coffee//vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/espresso") => 0;
      lfs_remove(&lfs, "//espresso//americano") => 0;
      lfs_remove(&lfs, "///espresso///macchiato") => 0;
      lfs_remove(&lfs, "////espresso////latte") => 0;
      lfs_remove(&lfs, "/////espresso/////cappuccino") => 0;
      lfs_remove(&lfs, "//////espresso//////mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "//////espresso//////espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/////espresso/////americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "////espresso////macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "///espresso///latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "//espresso//cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test trailing slashes
  #
  # trailing slashes are only allowed on directories
  [cases.test_paths_trailing_slashes]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip/") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew//") => 0;
          lfs_mkdir(&lfs, "coffee/turkish///") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk////") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese/////") => 0;
          lfs_mkdir(&lfs, "coffee/thai//////") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
  
          // still create so we have something to test
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      if (DIR) {
          lfs_stat(&lfs, "coffee/drip//////", &info) => 0;
          assert(strcmp(info.name, "drip") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/coldbrew/////", &info) => 0;
          assert(strcmp(info.name, "coldbrew") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/turkish////", &info) => 0;
          assert(strcmp(info.name, "turkish") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/tubruk///", &info) => 0;
          assert(strcmp(info.name, "tubruk") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/vietnamese//", &info) => 0;
          assert(strcmp(info.name, "vietnamese") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/thai/", &info) => 0;
          assert(strcmp(info.name, "thai") == 0);
          assert(info.type == LFS_TYPE_DIR);
      } else {
          lfs_stat(&lfs, "coffee/drip//////", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/coldbrew/////", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/turkish////", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/tubruk///", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/vietnamese//", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/thai/", &info) => LFS_ERR_NOTDIR;
      }
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew//",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish///",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai//////",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip/") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew//") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/turkish///") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk////") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese/////") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/thai//////") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip/") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew//") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/turkish///") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk////") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese/////") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/thai//////") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      if (DIR) {
          lfs_rename(&lfs,
                  "coffee/drip//////",
                  "espresso/espresso/") => 0;
          lfs_rename(&lfs,
                  "coffee/coldbrew/////",
                  "espresso/americano//") => 0;
          lfs_rename(&lfs,
                  "coffee/turkish////",
                  "espresso/macchiato///") => 0;
          lfs_rename(&lfs,
                  "coffee/tubruk///",
                  "espresso/latte////") => 0;
          lfs_rename(&lfs,
                  "coffee/vietnamese//",
                  "espresso/cappuccino/////") => 0;
          lfs_rename(&lfs,
                  "coffee/thai/",
                  "espresso/mocha//////") => 0;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso//////", &info) => 0;
          assert(strcmp(info.name, "espresso") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/americano/////", &info) => 0;
          assert(strcmp(info.name, "americano") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/macchiato////", &info) => 0;
          assert(strcmp(info.name, "macchiato") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/latte///", &info) => 0;
          assert(strcmp(info.name, "latte") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/cappuccino//", &info) => 0;
          assert(strcmp(info.name, "cappuccino") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/mocha/", &info) => 0;
          assert(strcmp(info.name, "mocha") == 0);
          assert(info.type == LFS_TYPE_DIR);
  
          lfs_stat(&lfs, "coffee/drip//////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/coldbrew/////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/turkish////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/tubruk///", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/vietnamese//", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/thai/", &info) => LFS_ERR_NOENT;
  
          // remove paths
          lfs_remove(&lfs, "espresso/espresso/") => 0;
          lfs_remove(&lfs, "espresso/americano//") => 0;
          lfs_remove(&lfs, "espresso/macchiato///") => 0;
          lfs_remove(&lfs, "espresso/latte////") => 0;
          lfs_remove(&lfs, "espresso/cappuccino/////") => 0;
          lfs_remove(&lfs, "espresso/mocha//////") => 0;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso//////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/americano/////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/macchiato////", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/latte///", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/cappuccino//", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/mocha/", &info) => LFS_ERR_NOENT;
  
      } else {
          // bad source
          lfs_rename(&lfs,
                  "coffee/drip//////",
                  "espresso/espresso") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/coldbrew/////",
                  "espresso/americano") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/turkish////",
                  "espresso/macchiato") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/tubruk///",
                  "espresso/latte") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/vietnamese//",
                  "espresso/cappuccino") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/thai/",
                  "espresso/mocha") => LFS_ERR_NOTDIR;
  
          // bad destination
          lfs_rename(&lfs,
                  "coffee/drip",
                  "espresso/espresso/") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/coldbrew",
                  "espresso/americano//") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/turkish",
                  "espresso/macchiato///") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/tubruk",
                  "espresso/latte////") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/vietnamese",
                  "espresso/cappuccino/////") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/thai",
                  "espresso/mocha//////") => LFS_ERR_NOTDIR;
  
          // bad source and bad destination
          lfs_rename(&lfs,
                  "coffee/drip//////",
                  "espresso/espresso/") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/coldbrew/////",
                  "espresso/americano//") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/turkish////",
                  "espresso/macchiato///") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/tubruk///",
                  "espresso/latte////") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/vietnamese//",
                  "espresso/cappuccino/////") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/thai/",
                  "espresso/mocha//////") => LFS_ERR_NOTDIR;
  
          // remove paths
          lfs_remove(&lfs, "coffee/drip/") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/coldbrew//") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/turkish///") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/tubruk////") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/vietnamese/////") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/thai//////") => LFS_ERR_NOTDIR;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
          lfs_stat(&lfs, "coffee/drip", &info) => 0;
          assert(strcmp(info.name, "drip") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
          assert(strcmp(info.name, "coldbrew") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/turkish", &info) => 0;
          assert(strcmp(info.name, "turkish") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
          assert(strcmp(info.name, "tubruk") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
          assert(strcmp(info.name, "vietnamese") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/thai", &info) => 0;
          assert(strcmp(info.name, "thai") == 0);
          assert(info.type == LFS_TYPE_REG);
      }
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # dot path tests
  [cases.test_paths_dots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/drip") => 0;
          lfs_mkdir(&lfs, "/./coffee/./coldbrew") => 0;
          lfs_mkdir(&lfs, "/././coffee/././turkish") => 0;
          lfs_mkdir(&lfs, "/./././coffee/./././tubruk") => 0;
          lfs_mkdir(&lfs, "/././././coffee/././././vietnamese") => 0;
          lfs_mkdir(&lfs, "/./././././coffee/./././././thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/./././././coffee/./././././drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/././././coffee/././././coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/./././coffee/./././turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/././coffee/././tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/./coffee/./vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./coffee/./coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/././coffee/././turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./././coffee/./././tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/././././coffee/././././vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/./././././coffee/./././././thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/./coffee/./coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/././coffee/././turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/./././coffee/./././tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/././././coffee/././././vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/./././././coffee/./././././thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/./coffee/./coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/././coffee/././turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/./././coffee/./././tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/././././coffee/././././vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/./././././coffee/./././././thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "/./././././coffee/./././././drip",
              "/espresso/espresso") => 0;
      lfs_rename(&lfs,
              "/././././coffee/././././coldbrew",
              "/./espresso/./americano") => 0;
      lfs_rename(&lfs,
              "/./././coffee/./././turkish",
              "/././espresso/././macchiato") => 0;
      lfs_rename(&lfs,
              "/././coffee/././tubruk",
              "/./././espresso/./././latte") => 0;
      lfs_rename(&lfs,
              "/./coffee/./vietnamese",
              "/././././espresso/././././cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/thai",
              "/./././././espresso/./././././mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/./././././espresso/./././././espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/././././espresso/././././americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/./././espresso/./././macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/././espresso/././latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/./espresso/./cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "/./././././coffee/./././././drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/././././coffee/././././coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/./././coffee/./././turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/././coffee/././tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/./coffee/./vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/espresso") => 0;
      lfs_remove(&lfs, "/./espresso/./americano") => 0;
      lfs_remove(&lfs, "/././espresso/././macchiato") => 0;
      lfs_remove(&lfs, "/./././espresso/./././latte") => 0;
      lfs_remove(&lfs, "/././././espresso/././././cappuccino") => 0;
      lfs_remove(&lfs, "/./././././espresso/./././././mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/./././././espresso/./././././espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/././././espresso/././././americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/./././espresso/./././macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/././espresso/././latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/./espresso/./cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test trailing dots, these get a bit weird
  #
  # POSIX deviations:
  #
  # - We accept modifications of directories with trailing dots:
  #   - littlefs: remove("a/.") => 0
  #   - POSIX:    remove("a/.") => EBUSY
  #   Reason: Not worth implementing.
  #
  [cases.test_paths_trailing_dots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip/.") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee/coldbrew/./.") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee/turkish/././.") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee/tubruk/./././.") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee/vietnamese/././././.") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee/thai/./././././.") => LFS_ERR_NOENT;
  
          // still create so we have something to test
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
  
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
  
          // still create so we have something to test
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      if (DIR) {
          lfs_stat(&lfs, "coffee/drip/./././././.", &info) => 0;
          assert(strcmp(info.name, "drip") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/coldbrew/././././.", &info) => 0;
          assert(strcmp(info.name, "coldbrew") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/turkish/./././.", &info) => 0;
          assert(strcmp(info.name, "turkish") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/tubruk/././.", &info) => 0;
          assert(strcmp(info.name, "tubruk") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/vietnamese/./.", &info) => 0;
          assert(strcmp(info.name, "vietnamese") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "coffee/thai/.", &info) => 0;
          assert(strcmp(info.name, "thai") == 0);
          assert(info.type == LFS_TYPE_DIR);
      } else {
          lfs_stat(&lfs, "coffee/drip/./././././.", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/coldbrew/././././.", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/turkish/./././.", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/tubruk/././.", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/vietnamese/./.", &info) => LFS_ERR_NOTDIR;
          lfs_stat(&lfs, "coffee/thai/.", &info) => LFS_ERR_NOTDIR;
      }
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_RDONLY) => LFS_ERR_NOTDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
  
          lfs_file_open(&lfs, &file, "coffee/drip/.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/./.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/turkish/././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/tubruk/./././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coffee/thai/./././././.",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip/.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew/./.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/turkish/././.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk/./././.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese/././././.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/thai/./././././.") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/drip/.") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew/./.") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/turkish/././.") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/tubruk/./././.") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/vietnamese/././././.") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/thai/./././././.") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      if (DIR) {
          // bad destination
          lfs_rename(&lfs,
                  "coffee/drip",
                  "espresso/espresso/.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/coldbrew",
                  "espresso/americano/./.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/turkish",
                  "espresso/macchiato/././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/tubruk",
                  "espresso/latte/./././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/vietnamese",
                  "espresso/cappuccino/././././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/thai",
                  "espresso/mocha/./././././.") => LFS_ERR_NOENT;
  
          // bad source and bad destination
          lfs_rename(&lfs,
                  "coffee/drip/./././././.",
                  "espresso/espresso/.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/coldbrew/././././.",
                  "espresso/americano/./.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/turkish/./././.",
                  "espresso/macchiato/././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/tubruk/././.",
                  "espresso/latte/./././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/vietnamese/./.",
                  "espresso/cappuccino/././././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/thai/.",
                  "espresso/mocha/./././././.") => LFS_ERR_NOENT;
  
          // this one works
          lfs_rename(&lfs,
                  "coffee/drip/./././././.",
                  "espresso/espresso") => 0;
          lfs_rename(&lfs,
                  "coffee/coldbrew/././././.",
                  "espresso/americano") => 0;
          lfs_rename(&lfs,
                  "coffee/turkish/./././.",
                  "espresso/macchiato") => 0;
          lfs_rename(&lfs,
                  "coffee/tubruk/././.",
                  "espresso/latte") => 0;
          lfs_rename(&lfs,
                  "coffee/vietnamese/./.",
                  "espresso/cappuccino") => 0;
          lfs_rename(&lfs,
                  "coffee/thai/.",
                  "espresso/mocha") => 0;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso/./././././.", &info) => 0;
          assert(strcmp(info.name, "espresso") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/americano/././././.", &info) => 0;
          assert(strcmp(info.name, "americano") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/macchiato/./././.", &info) => 0;
          assert(strcmp(info.name, "macchiato") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/latte/././.", &info) => 0;
          assert(strcmp(info.name, "latte") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/cappuccino/./.", &info) => 0;
          assert(strcmp(info.name, "cappuccino") == 0);
          assert(info.type == LFS_TYPE_DIR);
          lfs_stat(&lfs, "espresso/mocha/.", &info) => 0;
          assert(strcmp(info.name, "mocha") == 0);
          assert(info.type == LFS_TYPE_DIR);
  
          lfs_stat(&lfs, "coffee/drip/./././././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/coldbrew/././././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/turkish/./././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/tubruk/././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/vietnamese/./.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "coffee/thai/.", &info) => LFS_ERR_NOENT;
  
          // remove paths
          lfs_remove(&lfs, "espresso/espresso/.") => 0;
          lfs_remove(&lfs, "espresso/americano/./.") => 0;
          lfs_remove(&lfs, "espresso/macchiato/././.") => 0;
          lfs_remove(&lfs, "espresso/latte/./././.") => 0;
          lfs_remove(&lfs, "espresso/cappuccino/././././.") => 0;
          lfs_remove(&lfs, "espresso/mocha/./././././.") => 0;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso/./././././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/americano/././././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/macchiato/./././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/latte/././.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/cappuccino/./.", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/mocha/.", &info) => LFS_ERR_NOENT;
  
      } else {
          // bad source
          lfs_rename(&lfs,
                  "coffee/drip/./././././.",
                  "espresso/espresso") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/coldbrew/././././.",
                  "espresso/americano") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/turkish/./././.",
                  "espresso/macchiato") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/tubruk/././.",
                  "espresso/latte") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/vietnamese/./.",
                  "espresso/cappuccino") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/thai/.",
                  "espresso/mocha") => LFS_ERR_NOTDIR;
  
          // bad destination
          lfs_rename(&lfs,
                  "coffee/drip",
                  "espresso/espresso/.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/coldbrew",
                  "espresso/americano/./.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/turkish",
                  "espresso/macchiato/././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/tubruk",
                  "espresso/latte/./././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/vietnamese",
                  "espresso/cappuccino/././././.") => LFS_ERR_NOENT;
          lfs_rename(&lfs,
                  "coffee/thai",
                  "espresso/mocha/./././././.") => LFS_ERR_NOENT;
  
          // bad source and bad destination
          lfs_rename(&lfs,
                  "coffee/drip/./././././.",
                  "espresso/espresso/.") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/coldbrew/././././.",
                  "espresso/americano/./.") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/turkish/./././.",
                  "espresso/macchiato/././.") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/tubruk/././.",
                  "espresso/latte/./././.") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/vietnamese/./.",
                  "espresso/cappuccino/././././.") => LFS_ERR_NOTDIR;
          lfs_rename(&lfs,
                  "coffee/thai/.",
                  "espresso/mocha/./././././.") => LFS_ERR_NOTDIR;
  
          // remove paths
          lfs_remove(&lfs, "coffee/drip/.") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/coldbrew/./.") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/turkish/././.") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/tubruk/./././.") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/vietnamese/././././.") => LFS_ERR_NOTDIR;
          lfs_remove(&lfs, "coffee/thai/./././././.") => LFS_ERR_NOTDIR;
  
          // stat paths
          lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
          lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
          lfs_stat(&lfs, "coffee/drip", &info) => 0;
          assert(strcmp(info.name, "drip") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
          assert(strcmp(info.name, "coldbrew") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/turkish", &info) => 0;
          assert(strcmp(info.name, "turkish") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
          assert(strcmp(info.name, "tubruk") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
          assert(strcmp(info.name, "vietnamese") == 0);
          assert(info.type == LFS_TYPE_REG);
          lfs_stat(&lfs, "coffee/thai", &info) => 0;
          assert(strcmp(info.name, "thai") == 0);
          assert(info.type == LFS_TYPE_REG);
      }
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # dot dot path tests
  [cases.test_paths_dotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "no") => 0;
      lfs_mkdir(&lfs, "no/no") => 0;
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_mkdir(&lfs, "coffee/no") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/drip") => 0;
          lfs_mkdir(&lfs, "/no/../coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "/coffee/no/../turkish") => 0;
          lfs_mkdir(&lfs, "/no/no/../../coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "/no/no/../../coffee/no/../vietnamese") => 0;
          lfs_mkdir(&lfs, "/no/no/../../no/no/../../coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/no/no/../../no/no/../../coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/../../coffee/no/../coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/../../coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/no/../tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/../coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/no/../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../coffee/no/../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/../../no/no/../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/../coffee/coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/no/../turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/../../coffee/tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/../../coffee/no/../vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/../../no/no/../../coffee/thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/../coffee/coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/no/../turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/../../coffee/tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/../../coffee/no/../vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/../../no/no/../../coffee/thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "/no/no/../../no/no/../../coffee/drip",
              "/espresso/espresso") => 0;
      lfs_rename(&lfs,
              "/no/no/../../coffee/no/../coldbrew",
              "/no/../espresso/americano") => 0;
      lfs_rename(&lfs,
              "/no/no/../../coffee/turkish",
              "/espresso/no/../macchiato") => 0;
      lfs_rename(&lfs,
              "/coffee/no/../tubruk",
              "/no/no/../../espresso/latte") => 0;
      lfs_rename(&lfs,
              "/no/../coffee/vietnamese",
              "/no/no/../../espresso/no/../cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/thai",
              "/no/no/../../no/no/../../espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/no/no/../../no/no/../../espresso/espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/../../espresso/no/../americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/../../espresso/macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/no/../latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/../espresso/cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "/no/no/../../no/no/../../coffee/drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/../../coffee/no/../coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/../../coffee/turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/no/../tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/../coffee/vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/espresso") => 0;
      lfs_remove(&lfs, "/no/../espresso/americano") => 0;
      lfs_remove(&lfs, "/espresso/no/../macchiato") => 0;
      lfs_remove(&lfs, "/no/no/../../espresso/latte") => 0;
      lfs_remove(&lfs, "/no/no/../../espresso/no/../cappuccino") => 0;
      lfs_remove(&lfs, "/no/no/../../no/no/../../espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/no/no/../../no/no/../../espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/../../espresso/no/../americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/../../espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/no/../latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/../espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test trailing dot dots, these get really weird
  #
  # POSIX deviations:
  #
  # - We do not check for existance of directories followed by dotdots:
  #   - littlefs: stat("a/missing/..") => 0
  #   - POSIX:    stat("a/missing/..") => ENOENT
  #   Reason: Difficult to implement non-recursively.
  #
  # - We accept modifications of directories with trailing dotdots:
  #   - littlefs: rename("a/b/..", "c") => 0
  #   - POSIX:    rename("a/b/..", "c") => EBUSY
  #   Reason: Not worth implementing.
  #
  [cases.test_paths_trailing_dotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip/..") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, "coffee/coldbrew/../..") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, "coffee/turkish/../../..") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "coffee/tubruk/../../../..") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "coffee/vietnamese/../../../../..") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "coffee/thai/../../../../../..") => LFS_ERR_INVAL;
  
          // still create so we have something to test
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
  
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip/..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew/../..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/turkish/../../..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "coffee/tubruk/../../../..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "coffee/vietnamese/../../../../..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "coffee/thai/../../../../../..",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
  
          // still create so we have something to test
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/drip/../../../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/coldbrew/../../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/turkish/../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/tubruk/../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/vietnamese/../..", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "coffee/thai/..", &info) => 0;
      assert(strcmp(info.name, "coffee") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "coffee/drip/..",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/coldbrew/../..",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/turkish/../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/tubruk/../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/vietnamese/../../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/thai/../../../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "coffee/drip/..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/coldbrew/../..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/turkish/../../..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/tubruk/../../../..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/vietnamese/../../../../..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/thai/../../../../../..",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "coffee/drip/..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, "coffee/coldbrew/../..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, "coffee/turkish/../../..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/tubruk/../../../..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/vietnamese/../../../../..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/thai/../../../../../..",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "coffee/drip/..") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "coffee/coldbrew/../..") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "coffee/turkish/../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/tubruk/../../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/vietnamese/../../../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/thai/../../../../../..") => LFS_ERR_INVAL;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "coffee/drip/../../../../../..",
              "espresso/espresso") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/coldbrew/../../../../..",
              "espresso/americano") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/turkish/../../../..",
              "espresso/macchiato") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tubruk/../../..",
              "espresso/latte") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/vietnamese/../..",
              "espresso/cappuccino") => LFS_ERR_INVAL;
      // this one works
      lfs_rename(&lfs,
              "coffee/thai/..",
              "espresso/mocha") => 0;
      lfs_rename(&lfs,
              "espresso/mocha",
              "coffee") => 0;
  
      // bad destination
      if (DIR) {
          // this one works
          lfs_rename(&lfs,
                  "coffee/drip",
                  "espresso/espresso/..") => 0;
          lfs_rename(&lfs,
                  "espresso",
                  "coffee/drip") => 0;
      } else {
          lfs_rename(&lfs,
                  "coffee/drip",
                  "espresso/espresso/..") => LFS_ERR_ISDIR;
      }
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "espresso/americano/../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/turkish",
              "espresso/macchiato/../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tubruk",
              "espresso/latte/../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/vietnamese",
              "espresso/cappuccino/../../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/thai",
              "espresso/mocha/../../../../../..") => LFS_ERR_INVAL;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "coffee/drip/../../../../../..",
              "espresso/espresso/..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/coldbrew/../../../../..",
              "espresso/americano/../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/turkish/../../../..",
              "espresso/macchiato/../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tubruk/../../..",
              "espresso/latte/../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/vietnamese/../..",
              "espresso/cappuccino/../../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/thai/..",
              "espresso/mocha/../../../../../..") => LFS_ERR_INVAL;
  
      // remove paths
      lfs_remove(&lfs, "coffee/drip/..") => LFS_ERR_NOTEMPTY;
      lfs_remove(&lfs, "coffee/coldbrew/../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/turkish/../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/tubruk/../../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/vietnamese/../../../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/thai/../../../../../..") => LFS_ERR_INVAL;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # dot dot dot path tests
  [cases.test_paths_dot_dotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "no") => 0;
      lfs_mkdir(&lfs, "no/no") => 0;
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_mkdir(&lfs, "coffee/no") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/drip") => 0;
          lfs_mkdir(&lfs, "/no/./../coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "/coffee/no/./../turkish") => 0;
          lfs_mkdir(&lfs, "/no/no/./.././../coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "/no/no/./.././../coffee/no/./../vietnamese") => 0;
          lfs_mkdir(&lfs, "/no/no/./.././../no/no/./.././../coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/no/no/./.././../no/no/./.././../coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/./.././../coffee/no/./../coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/./.././../coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/no/./../tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/./../coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/./../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/no/./../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../coffee/no/./../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/no/no/./.././../no/no/./.././../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/./../coffee/coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/no/./../turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../coffee/tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../coffee/no/./../vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../no/no/./.././../coffee/thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/./../coffee/coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/no/./../turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../coffee/tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../coffee/no/./../vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/no/no/./.././../no/no/./.././../coffee/thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "/no/no/./.././../no/no/./.././../coffee/drip",
              "/espresso/espresso") => 0;
      lfs_rename(&lfs,
              "/no/no/./.././../coffee/no/./../coldbrew",
              "/no/./../espresso/americano") => 0;
      lfs_rename(&lfs,
              "/no/no/./.././../coffee/turkish",
              "/espresso/no/./../macchiato") => 0;
      lfs_rename(&lfs,
              "/coffee/no/./../tubruk",
              "/no/no/./.././../espresso/latte") => 0;
      lfs_rename(&lfs,
              "/no/./../coffee/vietnamese",
              "/no/no/./.././../espresso/no/./../cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/thai",
              "/no/no/./.././../no/no/./.././../espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/no/no/./.././../no/no/./.././../espresso/espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/./.././../espresso/no/./../americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/no/./.././../espresso/macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/no/./../latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/no/./../espresso/cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "/no/no/./.././../no/no/./.././../coffee/drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/./.././../coffee/no/./../coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/./.././../coffee/turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/no/./../tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/./../coffee/vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/coffee/thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/espresso") => 0;
      lfs_remove(&lfs, "/no/./../espresso/americano") => 0;
      lfs_remove(&lfs, "/espresso/no/./../macchiato") => 0;
      lfs_remove(&lfs, "/no/no/./.././../espresso/latte") => 0;
      lfs_remove(&lfs, "/no/no/./.././../espresso/no/./../cappuccino") => 0;
      lfs_remove(&lfs, "/no/no/./.././../no/no/./.././../espresso/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/no/no/./.././../no/no/./.././../espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/./.././../espresso/no/./../americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/no/./.././../espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/no/./../latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/no/./../espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # dot dot dot path tests
  [cases.test_paths_dotdotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_mkdir(&lfs, "coffee/...") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/.../drip") => 0;
          lfs_mkdir(&lfs, "/coffee/.../coldbrew") => 0;
          lfs_mkdir(&lfs, "/coffee/.../turkish") => 0;
          lfs_mkdir(&lfs, "/coffee/.../tubruk") => 0;
          lfs_mkdir(&lfs, "/coffee/.../vietnamese") => 0;
          lfs_mkdir(&lfs, "/coffee/.../thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/coffee/.../drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.../coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.../turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.../tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.../vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.../thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/.../drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.../thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/.../drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.../coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.../turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.../tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.../vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.../thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/.../drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.../coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.../turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.../tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.../vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.../thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_mkdir(&lfs, "espresso/...") => 0;
      lfs_rename(&lfs,
              "/coffee/.../drip",
              "/espresso/.../espresso") => 0;
      lfs_rename(&lfs,
              "/coffee/.../coldbrew",
              "/espresso/.../americano") => 0;
      lfs_rename(&lfs,
              "/coffee/.../turkish",
              "/espresso/.../macchiato") => 0;
      lfs_rename(&lfs,
              "/coffee/.../tubruk",
              "/espresso/.../latte") => 0;
      lfs_rename(&lfs,
              "/coffee/.../vietnamese",
              "/espresso/.../cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/.../thai",
              "/espresso/.../mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/.../espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.../americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.../macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.../latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.../cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.../mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "coffee/.../drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.../coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.../turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.../tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.../vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.../thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/.../espresso") => 0;
      lfs_remove(&lfs, "/espresso/.../americano") => 0;
      lfs_remove(&lfs, "/espresso/.../macchiato") => 0;
      lfs_remove(&lfs, "/espresso/.../latte") => 0;
      lfs_remove(&lfs, "/espresso/.../cappuccino") => 0;
      lfs_remove(&lfs, "/espresso/.../mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/.../espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.../americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.../macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.../latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.../cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.../mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # leading dot path test
  [cases.test_paths_leading_dots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/coffee/.drip") => 0;
          lfs_mkdir(&lfs, "/coffee/..coldbrew") => 0;
          lfs_mkdir(&lfs, "/coffee/...turkish") => 0;
          lfs_mkdir(&lfs, "/coffee/....tubruk") => 0;
          lfs_mkdir(&lfs, "/coffee/.....vietnamese") => 0;
          lfs_mkdir(&lfs, "/coffee/......thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/coffee/.drip", &info) => 0;
      assert(strcmp(info.name, ".drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/..coldbrew", &info) => 0;
      assert(strcmp(info.name, "..coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/...turkish", &info) => 0;
      assert(strcmp(info.name, "...turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/....tubruk", &info) => 0;
      assert(strcmp(info.name, "....tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/.....vietnamese", &info) => 0;
      assert(strcmp(info.name, ".....vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/coffee/......thai", &info) => 0;
      assert(strcmp(info.name, "......thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "/coffee/.drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/..coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/...turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/....tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/.....vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "/coffee/......thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/.drip") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/..coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/...turkish") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/....tubruk") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/.....vietnamese") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "/coffee/......thai") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "/coffee/.drip") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/..coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/...turkish") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/....tubruk") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/.....vietnamese") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "/coffee/......thai") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "/coffee/.drip",
              "/espresso/.espresso") => 0;
      lfs_rename(&lfs,
              "/coffee/..coldbrew",
              "/espresso/..americano") => 0;
      lfs_rename(&lfs,
              "/coffee/...turkish",
              "/espresso/...macchiato") => 0;
      lfs_rename(&lfs,
              "/coffee/....tubruk",
              "/espresso/....latte") => 0;
      lfs_rename(&lfs,
              "/coffee/.....vietnamese",
              "/espresso/.....cappuccino") => 0;
      lfs_rename(&lfs,
              "/coffee/......thai",
              "/espresso/......mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/.espresso", &info) => 0;
      assert(strcmp(info.name, ".espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/..americano", &info) => 0;
      assert(strcmp(info.name, "..americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/...macchiato", &info) => 0;
      assert(strcmp(info.name, "...macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/....latte", &info) => 0;
      assert(strcmp(info.name, "....latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/.....cappuccino", &info) => 0;
      assert(strcmp(info.name, ".....cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "/espresso/......mocha", &info) => 0;
      assert(strcmp(info.name, "......mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "coffee/.drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/..coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/...turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/....tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/.....vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/......thai", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "/espresso/.espresso") => 0;
      lfs_remove(&lfs, "/espresso/..americano") => 0;
      lfs_remove(&lfs, "/espresso/...macchiato") => 0;
      lfs_remove(&lfs, "/espresso/....latte") => 0;
      lfs_remove(&lfs, "/espresso/.....cappuccino") => 0;
      lfs_remove(&lfs, "/espresso/......mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "/espresso/.espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/..americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/...macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/....latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/.....cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "/espresso/......mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # root dot dot path test
  [cases.test_paths_root_dotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "no") => 0;
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "/../coffee/drip") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "/../../coffee/coldbrew") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "/../../../coffee/turkish") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "/no/../../coffee/tubruk") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "/no/../../../coffee/vietnamese") => LFS_ERR_INVAL;
          lfs_mkdir(&lfs, "/no/../../../../coffee/thai") => LFS_ERR_INVAL;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/../coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "/../../coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "/../../../coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "/no/../../coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "/no/../../../coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
          lfs_file_open(&lfs, &file, "/no/../../../../coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      }
  
      // ok, actually create paths
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "/no/../../../../coffee/drip", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "/no/../../../coffee/coldbrew", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "/no/../../coffee/turkish", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "/../../../coffee/tubruk", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "/../../coffee/vietnamese", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "/../coffee/thai", &info) => LFS_ERR_INVAL;
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "/../coffee/drip",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../coffee/coldbrew",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../../coffee/turkish",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../coffee/tubruk",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../coffee/vietnamese",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../../coffee/thai",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "/../coffee/drip",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../coffee/coldbrew",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../../coffee/turkish",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../coffee/tubruk",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../coffee/vietnamese",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../../coffee/thai",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "/../coffee/drip",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../coffee/coldbrew",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/../../../coffee/turkish",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../coffee/tubruk",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../coffee/vietnamese",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "/no/../../../../coffee/thai",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "/../coffee/drip") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "/../../coffee/coldbrew") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "/../../../coffee/turkish") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "/no/../../coffee/tubruk") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "/no/../../../coffee/vietnamese") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "/no/../../../../coffee/thai") => LFS_ERR_INVAL;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "/no/../../../../coffee/drip",
              "espresso/espresso") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../../coffee/coldbrew",
              "espresso/americano") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../coffee/turkish",
              "espresso/macchiato") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../../coffee/tubruk",
              "espresso/latte") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../coffee/vietnamese",
              "espresso/cappuccino") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../coffee/thai",
              "espresso/mocha") => LFS_ERR_INVAL;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/drip",
              "/../espresso/espresso") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "/../../espresso/americano") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/turkish",
              "/../../../espresso/macchiato") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tubruk",
              "/no/../../espresso/latte") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/vietnamese",
              "/no/../../../espresso/cappuccino") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/thai",
              "/no/../../../../espresso/mocha") => LFS_ERR_INVAL;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "/no/../../../../coffee/drip",
              "/../espresso/espresso") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../../coffee/coldbrew",
              "/../../espresso/americano") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../coffee/turkish",
              "/../../../espresso/macchiato") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../../coffee/tubruk",
              "/no/../../espresso/latte") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../coffee/vietnamese",
              "/no/../../../espresso/cappuccino") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../coffee/thai",
              "/no/../../../../espresso/mocha") => LFS_ERR_INVAL;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "/no/../../../../coffee/drip",
              "/no/../../../../coffee/drip") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../../coffee/coldbrew",
              "/no/../../../coffee/coldbrew") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/no/../../coffee/turkish",
              "/no/../../coffee/turkish") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../../coffee/tubruk",
              "/../../../coffee/tubruk") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../../coffee/vietnamese",
              "/../../coffee/vietnamese") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "/../coffee/thai",
              "/../coffee/thai") => LFS_ERR_INVAL;
  
      // remove paths
      lfs_remove(&lfs, "/../espresso/espresso") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/../../espresso/americano") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/../../../espresso/macchiato") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/no/../../espresso/latte") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/no/../../../espresso/cappuccino") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/no/../../../../espresso/mocha") => LFS_ERR_INVAL;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # trailing noent tests
  [cases.test_paths_noent]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/_rip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/c_ldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tu_kish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tub_uk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/_vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/thai_", &info) => LFS_ERR_NOENT;
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "coffee/_rip",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tu_kish",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tub_uk",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/thai_",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "coffee/_rip") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/c_ldbrew") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tu_kish") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tub_uk") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/_vietnamese") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/thai_") => LFS_ERR_NOENT;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      lfs_rename(&lfs,
              "coffee/_rip",
              "espresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew",
              "espresso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish",
              "espresso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk",
              "espresso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese",
              "espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_",
              "espresso/mocha") => LFS_ERR_NOENT;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "coffee/_rip",
              "coffee/_rip") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew",
              "coffee/c_ldbrew") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish",
              "coffee/tu_kish") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk",
              "coffee/tub_uk") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese",
              "coffee/_vietnamese") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_",
              "coffee/thai_") => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "coffee/_rip") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/c_ldbrew") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tu_kish") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tub_uk") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/_vietnamese") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/thai_") => LFS_ERR_NOENT;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # parent noent tests
  [cases.test_paths_noent_parent]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "_offee/drip") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "c_ffee/coldbrew") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "co_fee/turkish") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "cof_ee/tubruk") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "_coffee/vietnamese") => LFS_ERR_NOENT;
          lfs_mkdir(&lfs, "coffee_/thai") => LFS_ERR_NOENT;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "_offee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "c_ffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "co_fee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "cof_ee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "_coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
          lfs_file_open(&lfs, &file, "coffee_/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      }
  
      // ok, actually create paths
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "_offee/drip", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c_ffee/coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "co_fee/turkish", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "cof_ee/tubruk", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "_coffee/vietnamese", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee_/thai", &info) => LFS_ERR_NOENT;
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "_offee/drip",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "c_ffee/coldbrew",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "co_fee/turkish",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "cof_ee/tubruk",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "_coffee/vietnamese",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee_/thai",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      lfs_file_open(&lfs, &file, "_offee/drip",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "c_ffee/coldbrew",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "co_fee/turkish",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "cof_ee/tubruk",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "_coffee/vietnamese",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee_/thai",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
  
      lfs_file_open(&lfs, &file, "_offee/drip",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "c_ffee/coldbrew",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "co_fee/turkish",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "cof_ee/tubruk",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "_coffee/vietnamese",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee_/thai",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "_offee/drip") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "c_ffee/coldbrew") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "co_fee/turkish") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "cof_ee/tubruk") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "_coffee/vietnamese") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee_/thai") => LFS_ERR_NOENT;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "_offee/drip",
              "espresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "c_ffee/coldbrew",
              "espresso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "co_fee/turkish",
              "espresso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "cof_ee/tubruk",
              "espresso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "_coffee/vietnamese",
              "espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee_/thai",
              "espresso/mocha") => LFS_ERR_NOENT;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/drip",
              "_spresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "e_presso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/turkish",
              "es_resso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tubruk",
              "esp_esso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/vietnamese",
              "_espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai",
              "espresso_/mocha") => LFS_ERR_NOENT;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "_offee/drip",
              "_spresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "c_ffee/coldbrew",
              "e_presso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "co_fee/turkish",
              "es_resso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "cof_ee/tubruk",
              "esp_esso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "_coffee/vietnamese",
              "_espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee_/thai",
              "espresso_/mocha") => LFS_ERR_NOENT;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "_offee/drip",
              "_offee/drip") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "c_ffee/coldbrew",
              "c_ffee/coldbrew") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "co_fee/turkish",
              "co_fee/turkish") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "cof_ee/tubruk",
              "cof_ee/tubruk") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "_coffee/vietnamese",
              "_coffee/vietnamese") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee_/thai",
              "coffee_/thai") => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "_offee/drip") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "c_ffee/coldbrew") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "co_fee/turkish") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "cof_ee/tubruk") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "_coffee/vietnamese") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee_/thai") => LFS_ERR_NOENT;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # parent notdir tests
  [cases.test_paths_notdir_parent]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "drip",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
      lfs_file_open(&lfs, &file, "coldbrew",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
      lfs_file_open(&lfs, &file, "turkish",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
      lfs_file_open(&lfs, &file, "tubruk",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
      lfs_file_open(&lfs, &file, "vietnamese",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
      lfs_file_open(&lfs, &file, "thai",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
      lfs_file_close(&lfs, &file) => 0;
  
      if (DIR) {
          lfs_mkdir(&lfs, "drip/coffee") => LFS_ERR_NOTDIR;
          lfs_mkdir(&lfs, "coldbrew/coffee") => LFS_ERR_NOTDIR;
          lfs_mkdir(&lfs, "turkish/coffee") => LFS_ERR_NOTDIR;
          lfs_mkdir(&lfs, "tubruk/coffee") => LFS_ERR_NOTDIR;
          lfs_mkdir(&lfs, "vietnamese/coffee") => LFS_ERR_NOTDIR;
          lfs_mkdir(&lfs, "thai/coffee") => LFS_ERR_NOTDIR;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "drip/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "coldbrew/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "turkish/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "tubruk/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "vietnamese/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
          lfs_file_open(&lfs, &file, "thai/coffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "drip/coffee", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "coldbrew/coffee", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "turkish/coffee", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "tubruk/coffee", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "vietnamese/coffee", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "thai/coffee", &info) => LFS_ERR_NOTDIR;
  
      // file open paths, only works on files!
      lfs_file_open(&lfs, &file, "drip/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coldbrew/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "turkish/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "tubruk/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "vietnamese/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "thai/coffee",
              LFS_O_RDONLY) => LFS_ERR_NOTDIR;
  
      lfs_file_open(&lfs, &file, "drip/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coldbrew/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "turkish/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "tubruk/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "vietnamese/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "thai/coffee",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
  
      lfs_file_open(&lfs, &file, "drip/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coldbrew/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "turkish/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "tubruk/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "vietnamese/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "thai/coffee",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "drip/coffee") => LFS_ERR_NOTDIR;
      lfs_dir_open(&lfs, &dir, "coldbrew/coffee") => LFS_ERR_NOTDIR;
      lfs_dir_open(&lfs, &dir, "turkish/coffee") => LFS_ERR_NOTDIR;
      lfs_dir_open(&lfs, &dir, "tubruk/coffee") => LFS_ERR_NOTDIR;
      lfs_dir_open(&lfs, &dir, "vietnamese/coffee") => LFS_ERR_NOTDIR;
      lfs_dir_open(&lfs, &dir, "thai/coffee") => LFS_ERR_NOTDIR;
  
      // make some normal paths so we have something to rename
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "drip/coffee",
              "espresso/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coldbrew/coffee",
              "espresso/americano") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "turkish/coffee",
              "espresso/macchiato") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "tubruk/coffee",
              "espresso/latte") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "vietnamese/coffee",
              "espresso/cappuccino") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "thai/coffee",
              "espresso/mocha") => LFS_ERR_NOTDIR;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/drip",
              "drip/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "coldbrew/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coffee/turkish",
              "turkish/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coffee/tubruk",
              "tubruk/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coffee/vietnamese",
              "vietnamese/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coffee/thai",
              "thai/espresso") => LFS_ERR_NOTDIR;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "drip/coffee",
              "drip/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coldbrew/coffee",
              "coldbrew/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "turkish/coffee",
              "turkish/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "tubruk/coffee",
              "tubruk/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "vietnamese/coffee",
              "vietnamese/espresso") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "thai/coffee",
              "thai/espresso") => LFS_ERR_NOTDIR;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "drip/coffee",
              "drip/coffee") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "coldbrew/coffee",
              "coldbrew/coffee") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "turkish/coffee",
              "turkish/coffee") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "tubruk/coffee",
              "tubruk/coffee") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "vietnamese/coffee",
              "vietnamese/coffee") => LFS_ERR_NOTDIR;
      lfs_rename(&lfs,
              "thai/coffee",
              "thai/coffee") => LFS_ERR_NOTDIR;
  
      // remove paths
      lfs_stat(&lfs, "drip/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "coldbrew/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "turkish/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "tubruk/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "vietnamese/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "thai/espresso", &info) => LFS_ERR_NOTDIR;
  
      // stat paths
      lfs_stat(&lfs, "drip/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "coldbrew/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "turkish/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "tubruk/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "vietnamese/espresso", &info) => LFS_ERR_NOTDIR;
      lfs_stat(&lfs, "thai/espresso", &info) => LFS_ERR_NOTDIR;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # noent tests with trailing slashes
  [cases.test_paths_noent_trailing_slashes]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/_rip//////", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/c_ldbrew/////", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tu_kish////", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tub_uk///", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/_vietnamese//", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/thai_/", &info) => LFS_ERR_NOENT;
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "coffee/_rip/",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew//",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tu_kish///",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tub_uk////",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/////",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/thai_//////",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      lfs_file_open(&lfs, &file, "coffee/_rip/",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew//",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/tu_kish///",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/tub_uk////",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/////",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/thai_//////",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOTDIR;
  
      lfs_file_open(&lfs, &file, "coffee/_rip/",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew//",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/tu_kish///",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/tub_uk////",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/////",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
      lfs_file_open(&lfs, &file, "coffee/thai_//////",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOTDIR;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "coffee/_rip/") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/c_ldbrew//") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tu_kish///") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tub_uk////") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/_vietnamese/////") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/thai_//////") => LFS_ERR_NOENT;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "coffee/_rip//////",
              "espresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/////",
              "espresso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish////",
              "espresso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk///",
              "espresso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese//",
              "espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/",
              "espresso/mocha") => LFS_ERR_NOENT;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/_rip",
              "espresso/espresso/") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew",
              "espresso/americano//") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish",
              "espresso/macchiato///") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk",
              "espresso/latte////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese",
              "espresso/cappuccino/////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_",
              "espresso/mocha//////") => LFS_ERR_NOENT;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "coffee/_rip//////",
              "espresso/espresso/") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/////",
              "espresso/americano//") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish////",
              "espresso/macchiato///") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk///",
              "espresso/latte////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese//",
              "espresso/cappuccino/////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/",
              "espresso/mocha//////") => LFS_ERR_NOENT;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "coffee/_rip//////",
              "coffee/_rip//////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/////",
              "coffee/c_ldbrew/////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish////",
              "coffee/tu_kish////") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk///",
              "coffee/tub_uk///") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese//",
              "coffee/_vietnamese//") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/",
              "coffee/thai_/") => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "coffee/_rip/") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/c_ldbrew//") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tu_kish///") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tub_uk////") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/_vietnamese/////") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/thai_//////") => LFS_ERR_NOENT;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # noent tests with trailing dots
  [cases.test_paths_noent_trailing_dots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/_rip/./././././.", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/c_ldbrew/././././.", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tu_kish/./././.", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/tub_uk/././.", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/_vietnamese/./.", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/thai_/.", &info) => LFS_ERR_NOENT;
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "coffee/_rip/.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew/./.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tu_kish/././.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tub_uk/./././.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/././././.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/thai_/./././././.",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      lfs_file_open(&lfs, &file, "coffee/_rip/.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew/./.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tu_kish/././.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tub_uk/./././.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/././././.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/thai_/./././././.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_NOENT;
  
      lfs_file_open(&lfs, &file, "coffee/_rip/.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew/./.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tu_kish/././.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/tub_uk/./././.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/././././.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
      lfs_file_open(&lfs, &file, "coffee/thai_/./././././.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NOENT;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "coffee/_rip/.") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/c_ldbrew/./.") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tu_kish/././.") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/tub_uk/./././.") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/_vietnamese/././././.") => LFS_ERR_NOENT;
      lfs_dir_open(&lfs, &dir, "coffee/thai_/./././././.") => LFS_ERR_NOENT;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "coffee/_rip/./././././.",
              "espresso/espresso") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/././././.",
              "espresso/americano") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish/./././.",
              "espresso/macchiato") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk/././.",
              "espresso/latte") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese/./.",
              "espresso/cappuccino") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/.",
              "espresso/mocha") => LFS_ERR_NOENT;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/_rip",
              "espresso/espresso/.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew",
              "espresso/americano/./.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish",
              "espresso/macchiato/././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk",
              "espresso/latte/./././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese",
              "espresso/cappuccino/././././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_",
              "espresso/mocha/./././././.") => LFS_ERR_NOENT;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "coffee/_rip/./././././.",
              "espresso/espresso/.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/././././.",
              "espresso/americano/./.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish/./././.",
              "espresso/macchiato/././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk/././.",
              "espresso/latte/./././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese/./.",
              "espresso/cappuccino/././././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/.",
              "espresso/mocha/./././././.") => LFS_ERR_NOENT;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "coffee/_rip/./././././.",
              "coffee/_rip/./././././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/././././.",
              "coffee/c_ldbrew/././././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish/./././.",
              "coffee/tu_kish/./././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk/././.",
              "coffee/tub_uk/././.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese/./.",
              "coffee/_vietnamese/./.") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_/.",
              "coffee/thai_/.") => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "coffee/_rip/.") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/c_ldbrew/./.") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tu_kish/././.") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/tub_uk/./././.") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/_vietnamese/././././.") => LFS_ERR_NOENT;
      lfs_remove(&lfs, "coffee/thai_/./././././.") => LFS_ERR_NOENT;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # noent tests with trailing dotdots
  [cases.test_paths_noent_trailing_dotdots]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/turkish") => 0;
          lfs_mkdir(&lfs, "coffee/tubruk") => 0;
          lfs_mkdir(&lfs, "coffee/vietnamese") => 0;
          lfs_mkdir(&lfs, "coffee/thai") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/turkish",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/tubruk",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/vietnamese",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/thai",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/_rip/../../../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/c_ldbrew/../../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/tu_kish/../../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/tub_uk/../../..", &info) => LFS_ERR_INVAL;
      lfs_stat(&lfs, "coffee/_vietnamese/../..", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "coffee/thai_/..", &info) => 0;
      assert(strcmp(info.name, "coffee") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // file open paths, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "coffee/_rip/..",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/c_ldbrew/../..",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "coffee/tu_kish/../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/tub_uk/../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/_vietnamese/../../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
      lfs_file_open(&lfs, &file, "coffee/thai_/../../../../../..",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "coffee/_rip/..") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "coffee/c_ldbrew/../..") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "coffee/tu_kish/../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/tub_uk/../../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/_vietnamese/../../../../..") => LFS_ERR_INVAL;
      lfs_dir_open(&lfs, &dir, "coffee/thai_/../../../../../..") => LFS_ERR_INVAL;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      // bad source
      lfs_rename(&lfs,
              "coffee/_rip/../../../../../..",
              "espresso/espresso") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/../../../../..",
              "espresso/americano") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tu_kish/../../../..",
              "espresso/macchiato") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tub_uk/../../..",
              "espresso/latte") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/_vietnamese/../..",
              "espresso/cappuccino") => LFS_ERR_INVAL;
      // this one works
      lfs_rename(&lfs,
              "coffee/thai_/..",
              "espresso/mocha") => 0;
      lfs_rename(&lfs,
              "espresso/mocha",
              "coffee") => 0;
  
      // bad destination
      lfs_rename(&lfs,
              "coffee/_rip",
              "espresso/espresso/..") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/c_ldbrew",
              "espresso/americano/../..") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tu_kish",
              "espresso/macchiato/../../..") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/tub_uk",
              "espresso/latte/../../../..") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/_vietnamese",
              "espresso/cappuccino/../../../../..") => LFS_ERR_NOENT;
      lfs_rename(&lfs,
              "coffee/thai_",
              "espresso/mocha/../../../../../..") => LFS_ERR_NOENT;
  
      // bad source and bad destination
      lfs_rename(&lfs,
              "coffee/_rip/../../../../../..",
              "espresso/espresso/..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/../../../../..",
              "espresso/americano/../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tu_kish/../../../..",
              "espresso/macchiato/../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tub_uk/../../..",
              "espresso/latte/../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/_vietnamese/../..",
              "espresso/cappuccino/../../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/thai_/..",
              "espresso/mocha/../../../../../..") => LFS_ERR_INVAL;
  
      // here's a weird one, what happens if our rename is also a noop?
      lfs_rename(&lfs,
              "coffee/_rip/../../../../../..",
              "coffee/_rip/../../../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/c_ldbrew/../../../../..",
              "coffee/c_ldbrew/../../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tu_kish/../../../..",
              "coffee/tu_kish/../../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/tub_uk/../../..",
              "coffee/tub_uk/../../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/_vietnamese/../..",
              "coffee/_vietnamese/../..") => LFS_ERR_INVAL;
      lfs_rename(&lfs,
              "coffee/thai_/..",
              "coffee/thai_/..") => 0;
  
      // remove paths
      lfs_remove(&lfs, "coffee/_rip/..") => LFS_ERR_NOTEMPTY;
      lfs_remove(&lfs, "coffee/c_ldbrew/../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/tu_kish/../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/tub_uk/../../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/_vietnamese/../../../../..") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee/thai_/../../../../../..") => LFS_ERR_INVAL;
  
      // stat paths
      lfs_stat(&lfs, "espresso/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "espresso/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/turkish", &info) => 0;
      assert(strcmp(info.name, "turkish") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/tubruk", &info) => 0;
      assert(strcmp(info.name, "tubruk") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/vietnamese", &info) => 0;
      assert(strcmp(info.name, "vietnamese") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/thai", &info) => 0;
      assert(strcmp(info.name, "thai") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test an empty path, this should error
  [cases.test_paths_empty]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
      struct lfs_info info;
  
      // create empty, this should error
      if (DIR) {
          lfs_mkdir(&lfs, "") => LFS_ERR_INVAL;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
      }
  
      // stat empty
      lfs_stat(&lfs, "", &info) => LFS_ERR_INVAL;
  
      // file open empty, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "",
              LFS_O_RDONLY) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_INVAL;
  
      lfs_file_open(&lfs, &file, "",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_INVAL;
  
      // dir open empty, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "") => LFS_ERR_INVAL;
      lfs_dir_close(&lfs, &dir) => 0;
  
      // rename empty, this should error
      lfs_rename(&lfs, "", "coffee") => LFS_ERR_INVAL;
  
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_rename(&lfs, "coffee", "") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee") => 0;
  
      lfs_rename(&lfs, "", "") => LFS_ERR_INVAL;
  
      // stat empty
      lfs_stat(&lfs, "", &info) => LFS_ERR_INVAL;
  
      // remove empty, this should error
      lfs_remove(&lfs, "") => LFS_ERR_INVAL;
  
      // stat empty
      lfs_stat(&lfs, "", &info) => LFS_ERR_INVAL;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # root operations
  #
  # POSIX deviations:
  #
  # - Root modifications return EINVAL instead of EBUSY:
  #   - littlefs: remove("/") => EINVAL
  #   - POSIX:    remove("/") => EBUSY
  #   Reason: This would be the only use of EBUSY in the system.
  #
  [cases.test_paths_root]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
      struct lfs_info info;
  
      // create root, this should error
      if (DIR) {
          lfs_mkdir(&lfs, "/") => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      }
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // file open root, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "/",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
      lfs_file_open(&lfs, &file, "/",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
      lfs_file_open(&lfs, &file, "/",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
  
      // dir open root, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "/") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
  
      // rename root, this should error
      lfs_rename(&lfs, "/", "coffee") => LFS_ERR_INVAL;
  
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_rename(&lfs, "coffee", "/") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee") => 0;
  
      lfs_rename(&lfs, "/", "/") => LFS_ERR_INVAL;
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // remove root, this should error
      lfs_remove(&lfs, "/") => LFS_ERR_INVAL;
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # other root representations
  [cases.test_paths_root_aliases]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
      struct lfs_info info;
  
      // create root, this should error
      if (DIR) {
          lfs_mkdir(&lfs, "/") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, ".") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, "./") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, "/.") => LFS_ERR_EXIST;
          lfs_mkdir(&lfs, "//") => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "/",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, ".",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "./",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "/.",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "//",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      }
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, ".", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "./", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "/.", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "//", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // file open root, only works on files!
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "/",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, ".",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "./",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "/.",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "//",
              LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
      lfs_file_open(&lfs, &file, "/",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, ".",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "./",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "/.",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
      lfs_file_open(&lfs, &file, "//",
              LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
      lfs_file_open(&lfs, &file, "/",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, ".",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, "./",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, "/.",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      lfs_file_open(&lfs, &file, "//",
              LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
  
      // dir open root, only works on dirs!
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "/") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, ".") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "./") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "/.") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
      lfs_dir_open(&lfs, &dir, "//") => 0;
      lfs_dir_close(&lfs, &dir) => 0;
  
      // rename root, this should error
      lfs_rename(&lfs, "/", "coffee") => LFS_ERR_INVAL;
      lfs_rename(&lfs, ".", "coffee") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "./", "coffee") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "/.", "coffee") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "//", "coffee") => LFS_ERR_INVAL;
  
      lfs_mkdir(&lfs, "coffee") => 0;
      lfs_rename(&lfs, "coffee", "/") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "coffee", ".") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "coffee", "./") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "coffee", "/.") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "coffee", "//") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "coffee") => 0;
  
      lfs_rename(&lfs, "/", "/") => LFS_ERR_INVAL;
      lfs_rename(&lfs, ".", ".") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "..", "..") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "./", "./") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "/.", "/.") => LFS_ERR_INVAL;
      lfs_rename(&lfs, "//", "//") => LFS_ERR_INVAL;
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, ".", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "./", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "/.", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "//", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      // remove root, this should error
      lfs_remove(&lfs, "/") => LFS_ERR_INVAL;
      lfs_remove(&lfs, ".") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "./") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "/.") => LFS_ERR_INVAL;
      lfs_remove(&lfs, "//") => LFS_ERR_INVAL;
  
      // stat root
      lfs_stat(&lfs, "/", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, ".", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "./", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "/.", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
      lfs_stat(&lfs, "//", &info) => 0;
      assert(strcmp(info.name, "/") == 0);
      assert(info.type == LFS_TYPE_DIR);
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # superblock magic shouldn't appear as a file
  [cases.test_paths_magic_noent]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // stat littlefs, which shouldn't exist
      struct lfs_info info;
      lfs_stat(&lfs, "littlefs", &info) => LFS_ERR_NOENT;
  
      // file open littlefs, which shouldn't exist
      lfs_file_t file;
      lfs_file_open(&lfs, &file, "littlefs",
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      // dir open littlefs, which shouldn't exist
      lfs_dir_t dir;
      lfs_dir_open(&lfs, &dir, "littlefs") => LFS_ERR_NOENT;
  
      // rename littlefs, which shouldn't exist
      lfs_rename(&lfs, "littlefs", "coffee") => LFS_ERR_NOENT;
  
      // remove littlefs, which shouldn't exist
      lfs_remove(&lfs, "littlefs") => LFS_ERR_NOENT;
  
      // stat littlefs, which shouldn't exist
      lfs_stat(&lfs, "coffee", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "littlefs", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # superblock magic shouldn't conflict with files, that would be silly
  [cases.test_paths_magic_conflict]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create littlefs
      if (DIR) {
          lfs_mkdir(&lfs, "littlefs") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat littlefs
      struct lfs_info info;
      lfs_stat(&lfs, "littlefs", &info) => 0;
      assert(strcmp(info.name, "littlefs") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open littlefs, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "littlefs",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open littlefs, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "littlefs") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "littlefs") => LFS_ERR_NOTDIR;
      }
  
      // rename littlefs
      lfs_rename(&lfs, "littlefs", "coffee") => 0;
      lfs_rename(&lfs, "coffee", "littlefs") => 0;
  
      // stat littlefs
      lfs_stat(&lfs, "littlefs", &info) => 0;
      assert(strcmp(info.name, "littlefs") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "coffee", &info) => LFS_ERR_NOENT;
  
      // remove littlefs
      lfs_remove(&lfs, "littlefs") => 0;
  
      // stat littlefs
      lfs_stat(&lfs, "littlefs", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test name too long
  [cases.test_paths_nametoolong]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      char a_name[512];
      memset(a_name, 'a', LFS_NAME_MAX+1);
      a_name[LFS_NAME_MAX+1] = '\0';
  
      // create names that are too long, should error
      char path[1024];
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          sprintf(path, "coffee/%s", a_name);
          lfs_mkdir(&lfs, path) => LFS_ERR_NAMETOOLONG;
      } else {
          lfs_file_t file;
          sprintf(path, "coffee/%s", a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_NAMETOOLONG;
      }
  
      // stat paths
      struct lfs_info info;
      sprintf(path, "coffee/%s", a_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
  
      // file open paths, only works on files!
      lfs_file_t file;
      sprintf(path, "coffee/%s", a_name);
      lfs_file_open(&lfs, &file, path,
              LFS_O_RDONLY) => LFS_ERR_NOENT;
  
      // dir open paths, only works on dirs!
      lfs_dir_t dir;
      sprintf(path, "coffee/%s", a_name);
      lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOENT;
  
      // rename paths
      lfs_mkdir(&lfs, "espresso") => 0;
      sprintf(path, "coffee/%s", a_name);
      lfs_rename(&lfs, path, "espresso/espresso") => LFS_ERR_NOENT;
  
      // renaming with too long a destination is tricky!
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/drip") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/drip",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      sprintf(path, "espresso/%s", a_name);
      lfs_rename(&lfs, "coffee/drip", path) => LFS_ERR_NAMETOOLONG;
  
      // stat paths
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      sprintf(path, "espresso/%s", a_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
  
      // remove paths
      sprintf(path, "espresso/%s", a_name);
      lfs_remove(&lfs, path) => LFS_ERR_NOENT;
  
      // stat paths
      lfs_stat(&lfs, "coffee/drip", &info) => 0;
      assert(strcmp(info.name, "drip") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      sprintf(path, "espresso/%s", a_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test name really long but not too long
  [cases.test_paths_namejustlongenough]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      char a_name[512];
      memset(a_name, 'a', LFS_NAME_MAX);
      a_name[LFS_NAME_MAX] = '\0';
      char b_name[512];
      memset(b_name, 'b', LFS_NAME_MAX);
      b_name[LFS_NAME_MAX] = '\0';
      char c_name[512];
      memset(c_name, 'c', LFS_NAME_MAX);
      c_name[LFS_NAME_MAX] = '\0';
      char d_name[512];
      memset(d_name, 'd', LFS_NAME_MAX);
      d_name[LFS_NAME_MAX] = '\0';
      char e_name[512];
      memset(e_name, 'e', LFS_NAME_MAX);
      e_name[LFS_NAME_MAX] = '\0';
      char f_name[512];
      memset(f_name, 'f', LFS_NAME_MAX);
      f_name[LFS_NAME_MAX] = '\0';
      char g_name[512];
      memset(g_name, 'g', LFS_NAME_MAX);
      g_name[LFS_NAME_MAX] = '\0';
      char h_name[512];
      memset(h_name, 'h', LFS_NAME_MAX);
      h_name[LFS_NAME_MAX] = '\0';
      char i_name[512];
      memset(i_name, 'i', LFS_NAME_MAX);
      i_name[LFS_NAME_MAX] = '\0';
      char j_name[512];
      memset(j_name, 'j', LFS_NAME_MAX);
      j_name[LFS_NAME_MAX] = '\0';
      char k_name[512];
      memset(k_name, 'k', LFS_NAME_MAX);
      k_name[LFS_NAME_MAX] = '\0';
      char l_name[512];
      memset(l_name, 'l', LFS_NAME_MAX);
      l_name[LFS_NAME_MAX] = '\0';
  
      // create names that aren't too long
      lfs_mkdir(&lfs, c_name) => 0;
      char path[1024];
      if (DIR) {
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_mkdir(&lfs, path) => 0;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_mkdir(&lfs, path) => 0;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_mkdir(&lfs, path) => 0;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_mkdir(&lfs, path) => 0;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_mkdir(&lfs, path) => 0;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_mkdir(&lfs, path) => 0;
      } else {
          lfs_file_t file;
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      sprintf(path, "%s/%s", c_name, a_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, a_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", c_name, b_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, b_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", c_name, c_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, c_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", c_name, d_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, d_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", c_name, e_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, e_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", c_name, f_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, f_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_file_open(&lfs, &file, path,
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_dir_open(&lfs, &dir, path) => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          sprintf(path, "%s/%s", c_name, a_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
          sprintf(path, "%s/%s", c_name, b_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
          sprintf(path, "%s/%s", c_name, c_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
          sprintf(path, "%s/%s", c_name, d_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
          sprintf(path, "%s/%s", c_name, e_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
          sprintf(path, "%s/%s", c_name, f_name);
          lfs_dir_open(&lfs, &dir, path) => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, e_name) => 0;
      char path_[1024];
      sprintf(path, "%s/%s", c_name, a_name);
      sprintf(path_, "%s/%s", e_name, g_name);
      lfs_rename(&lfs, path, path_) => 0;
      sprintf(path, "%s/%s", c_name, b_name);
      sprintf(path_, "%s/%s", e_name, h_name);
      lfs_rename(&lfs, path, path_) => 0;
      sprintf(path, "%s/%s", c_name, c_name);
      sprintf(path_, "%s/%s", e_name, i_name);
      lfs_rename(&lfs, path, path_) => 0;
      sprintf(path, "%s/%s", c_name, d_name);
      sprintf(path_, "%s/%s", e_name, j_name);
      lfs_rename(&lfs, path, path_) => 0;
      sprintf(path, "%s/%s", c_name, e_name);
      sprintf(path_, "%s/%s", e_name, k_name);
      lfs_rename(&lfs, path, path_) => 0;
      sprintf(path, "%s/%s", c_name, f_name);
      sprintf(path_, "%s/%s", e_name, l_name);
      lfs_rename(&lfs, path, path_) => 0;
  
      // stat paths
      sprintf(path, "%s/%s", e_name, g_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, g_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", e_name, h_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, h_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", e_name, i_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, i_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", e_name, j_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, j_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", e_name, k_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, k_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      sprintf(path, "%s/%s", e_name, l_name);
      lfs_stat(&lfs, path, &info) => 0;
      assert(strcmp(info.name, l_name) == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      sprintf(path, "%s/%s", c_name, a_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", c_name, b_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", c_name, c_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", c_name, d_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", c_name, e_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", c_name, f_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
  
      // remove paths
      sprintf(path, "%s/%s", e_name, g_name);
      lfs_remove(&lfs, path) => 0;
      sprintf(path, "%s/%s", e_name, h_name);
      lfs_remove(&lfs, path) => 0;
      sprintf(path, "%s/%s", e_name, i_name);
      lfs_remove(&lfs, path) => 0;
      sprintf(path, "%s/%s", e_name, j_name);
      lfs_remove(&lfs, path) => 0;
      sprintf(path, "%s/%s", e_name, k_name);
      lfs_remove(&lfs, path) => 0;
      sprintf(path, "%s/%s", e_name, l_name);
      lfs_remove(&lfs, path) => 0;
  
      // stat paths
      sprintf(path, "%s/%s", e_name, g_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", e_name, h_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", e_name, i_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", e_name, j_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", e_name, k_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
      sprintf(path, "%s/%s", e_name, l_name);
      lfs_stat(&lfs, path, &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # a quick utf8 test, utf8 is easy to support
  [cases.test_paths_utf8]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "coffee") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "coffee/dripcoffee") => 0;
          lfs_mkdir(&lfs, "coffee/coldbrew") => 0;
          lfs_mkdir(&lfs, "coffee/türkkahvesi") => 0;
          lfs_mkdir(&lfs, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀") => 0;
          lfs_mkdir(&lfs, "coffee/càphêđá") => 0;
          lfs_mkdir(&lfs, "coffee/โอเลี้ยง") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "coffee/dripcoffee", &info) => 0;
      assert(strcmp(info.name, "dripcoffee") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/coldbrew", &info) => 0;
      assert(strcmp(info.name, "coldbrew") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/türkkahvesi", &info) => 0;
      assert(strcmp(info.name, "türkkahvesi") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀", &info) => 0;
      assert(strcmp(info.name, "ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/càphêđá", &info) => 0;
      assert(strcmp(info.name, "càphêđá") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "coffee/โอเลี้ยง", &info) => 0;
      assert(strcmp(info.name, "โอเลี้ยง") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "coffee/dripcoffee",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/coldbrew",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/türkkahvesi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/càphêđá",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "coffee/โอเลี้ยง",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/dripcoffee") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/türkkahvesi") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/càphêđá") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "coffee/โอเลี้ยง") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "coffee/dripcoffee") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/coldbrew") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/türkkahvesi") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/càphêđá") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "coffee/โอเลี้ยง") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "caffè") => 0;
      lfs_rename(&lfs,
              "coffee/dripcoffee",
              "caffè/espresso") => 0;
      lfs_rename(&lfs,
              "coffee/coldbrew",
              "caffè/americano") => 0;
      lfs_rename(&lfs,
              "coffee/türkkahvesi",
              "caffè/macchiato") => 0;
      lfs_rename(&lfs,
              "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀",
              "caffè/latte") => 0;
      lfs_rename(&lfs,
              "coffee/càphêđá",
              "caffè/cappuccino") => 0;
      lfs_rename(&lfs,
              "coffee/โอเลี้ยง",
              "caffè/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "caffè/espresso", &info) => 0;
      assert(strcmp(info.name, "espresso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "caffè/americano", &info) => 0;
      assert(strcmp(info.name, "americano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "caffè/macchiato", &info) => 0;
      assert(strcmp(info.name, "macchiato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "caffè/latte", &info) => 0;
      assert(strcmp(info.name, "latte") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "caffè/cappuccino", &info) => 0;
      assert(strcmp(info.name, "cappuccino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "caffè/mocha", &info) => 0;
      assert(strcmp(info.name, "mocha") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "coffee/dripcoffee", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/coldbrew", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/türkkahvesi", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/ꦏꦺꦴꦥꦶꦠꦸꦧꦿꦸꦏ꧀", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/càphêđá", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "coffee/โอเลี้ยง", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "caffè/espresso") => 0;
      lfs_remove(&lfs, "caffè/americano") => 0;
      lfs_remove(&lfs, "caffè/macchiato") => 0;
      lfs_remove(&lfs, "caffè/latte") => 0;
      lfs_remove(&lfs, "caffè/cappuccino") => 0;
      lfs_remove(&lfs, "caffè/mocha") => 0;
  
      // stat paths
      lfs_stat(&lfs, "caffè/espresso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "caffè/americano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "caffè/macchiato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "caffè/latte", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "caffè/cappuccino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "caffè/mocha", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # more utf8 tests
  [cases.test_paths_utf8_ipa]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "ˈkɔ.fi") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "ˈkɔ.fi/dɹɪpˈkɔ.fi") => 0;
          lfs_mkdir(&lfs, "ˈkɔ.fi/koʊldbɹuː") => 0;
          lfs_mkdir(&lfs, "ˈkɔ.fi/tyɾckɑhvɛˈsi") => 0;
          lfs_mkdir(&lfs, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚") => 0;
          lfs_mkdir(&lfs, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥") => 0;
          lfs_mkdir(&lfs, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "ˈkɔ.fi/dɹɪpˈkɔ.fi", &info) => 0;
      assert(strcmp(info.name, "dɹɪpˈkɔ.fi") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "ˈkɔ.fi/koʊldbɹuː", &info) => 0;
      assert(strcmp(info.name, "koʊldbɹuː") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "ˈkɔ.fi/tyɾckɑhvɛˈsi", &info) => 0;
      assert(strcmp(info.name, "tyɾckɑhvɛˈsi") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚", &info) => 0;
      assert(strcmp(info.name, "ˈko.piˈt̪up̚.rʊk̚") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥", &info) => 0;
      assert(strcmp(info.name, "kaː˨˩fe˧˧ɗaː˧˥") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥", &info) => 0;
      assert(strcmp(info.name, "ʔoː˧.lia̯ŋ˦˥") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/dɹɪpˈkɔ.fi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/koʊldbɹuː",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/tyɾckɑhvɛˈsi",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/dɹɪpˈkɔ.fi") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/koʊldbɹuː") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/tyɾckɑhvɛˈsi") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/dɹɪpˈkɔ.fi") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/koʊldbɹuː") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/tyɾckɑhvɛˈsi") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "kafˈfɛ") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/dɹɪpˈkɔ.fi",
              "kafˈfɛ/eˈsprɛsso") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/koʊldbɹuː",
              "kafˈfɛ/ameriˈkano") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/tyɾckɑhvɛˈsi",
              "kafˈfɛ/makˈkjato") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚",
              "kafˈfɛ/ˈlat.te") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥",
              "kafˈfɛ/kapputˈt͡ʃino") => 0;
      lfs_rename(&lfs,
              "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥",
              "kafˈfɛ/ˈmoʊkə") => 0;
  
      // stat paths
      lfs_stat(&lfs, "kafˈfɛ/eˈsprɛsso", &info) => 0;
      assert(strcmp(info.name, "eˈsprɛsso") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "kafˈfɛ/ameriˈkano", &info) => 0;
      assert(strcmp(info.name, "ameriˈkano") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "kafˈfɛ/makˈkjato", &info) => 0;
      assert(strcmp(info.name, "makˈkjato") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "kafˈfɛ/ˈlat.te", &info) => 0;
      assert(strcmp(info.name, "ˈlat.te") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "kafˈfɛ/kapputˈt͡ʃino", &info) => 0;
      assert(strcmp(info.name, "kapputˈt͡ʃino") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "kafˈfɛ/ˈmoʊkə", &info) => 0;
      assert(strcmp(info.name, "ˈmoʊkə") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "ˈkɔ.fi/dɹɪpˈkɔ.fi", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "ˈkɔ.fi/koʊldbɹuː", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "ˈkɔ.fi/tyɾckɑhvɛˈsi", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "ˈkɔ.fi/ˈko.piˈt̪up̚.rʊk̚", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "ˈkɔ.fi/kaː˨˩fe˧˧ɗaː˧˥", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "ˈkɔ.fi/ʔoː˧.lia̯ŋ˦˥", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "kafˈfɛ/eˈsprɛsso") => 0;
      lfs_remove(&lfs, "kafˈfɛ/ameriˈkano") => 0;
      lfs_remove(&lfs, "kafˈfɛ/makˈkjato") => 0;
      lfs_remove(&lfs, "kafˈfɛ/ˈlat.te") => 0;
      lfs_remove(&lfs, "kafˈfɛ/kapputˈt͡ʃino") => 0;
      lfs_remove(&lfs, "kafˈfɛ/ˈmoʊkə") => 0;
  
      // stat paths
      lfs_stat(&lfs, "kafˈfɛ/eˈsprɛsso", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "kafˈfɛ/ameriˈkano", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "kafˈfɛ/makˈkjato", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "kafˈfɛ/ˈlat.te", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "kafˈfɛ/kapputˈt͡ʃino", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "kafˈfɛ/ˈmoʊkə", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test spaces have no problems
  [cases.test_paths_spaces]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "c o f f e e") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "c o f f e e/d r i p") => 0;
          lfs_mkdir(&lfs, "c o f f e e/c o l d b r e w") => 0;
          lfs_mkdir(&lfs, "c o f f e e/t u r k i s h") => 0;
          lfs_mkdir(&lfs, "c o f f e e/t u b r u k") => 0;
          lfs_mkdir(&lfs, "c o f f e e/v i e t n a m e s e") => 0;
          lfs_mkdir(&lfs, "c o f f e e/t h a i") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "c o f f e e/d r i p", &info) => 0;
      assert(strcmp(info.name, "d r i p") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "c o f f e e/c o l d b r e w", &info) => 0;
      assert(strcmp(info.name, "c o l d b r e w") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "c o f f e e/t u r k i s h", &info) => 0;
      assert(strcmp(info.name, "t u r k i s h") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "c o f f e e/t u b r u k", &info) => 0;
      assert(strcmp(info.name, "t u b r u k") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "c o f f e e/v i e t n a m e s e", &info) => 0;
      assert(strcmp(info.name, "v i e t n a m e s e") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "c o f f e e/t h a i", &info) => 0;
      assert(strcmp(info.name, "t h a i") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "c o f f e e/d r i p",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/c o l d b r e w",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t u r k i s h",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t u b r u k",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/v i e t n a m e s e",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "c o f f e e/t h a i",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "c o f f e e/d r i p") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "c o f f e e/c o l d b r e w") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t u r k i s h") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t u b r u k") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "c o f f e e/v i e t n a m e s e") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t h a i") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "c o f f e e/d r i p") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "c o f f e e/c o l d b r e w") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t u r k i s h") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t u b r u k") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "c o f f e e/v i e t n a m e s e") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "c o f f e e/t h a i") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "e s p r e s s o") => 0;
      lfs_rename(&lfs,
              "c o f f e e/d r i p",
              "e s p r e s s o/e s p r e s s o") => 0;
      lfs_rename(&lfs,
              "c o f f e e/c o l d b r e w",
              "e s p r e s s o/a m e r i c a n o") => 0;
      lfs_rename(&lfs,
              "c o f f e e/t u r k i s h",
              "e s p r e s s o/m a c c h i a t o") => 0;
      lfs_rename(&lfs,
              "c o f f e e/t u b r u k",
              "e s p r e s s o/l a t t e") => 0;
      lfs_rename(&lfs,
              "c o f f e e/v i e t n a m e s e",
              "e s p r e s s o/c a p p u c c i n o") => 0;
      lfs_rename(&lfs,
              "c o f f e e/t h a i",
              "e s p r e s s o/m o c h a") => 0;
  
      // stat paths
      lfs_stat(&lfs, "e s p r e s s o/e s p r e s s o", &info) => 0;
      assert(strcmp(info.name, "e s p r e s s o") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "e s p r e s s o/a m e r i c a n o", &info) => 0;
      assert(strcmp(info.name, "a m e r i c a n o") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "e s p r e s s o/m a c c h i a t o", &info) => 0;
      assert(strcmp(info.name, "m a c c h i a t o") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "e s p r e s s o/l a t t e", &info) => 0;
      assert(strcmp(info.name, "l a t t e") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "e s p r e s s o/c a p p u c c i n o", &info) => 0;
      assert(strcmp(info.name, "c a p p u c c i n o") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "e s p r e s s o/m o c h a", &info) => 0;
      assert(strcmp(info.name, "m o c h a") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "c o f f e e/d r i p", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c o f f e e/c o l d b r e w", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c o f f e e/t u r k i s h", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c o f f e e/t u b r u k", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c o f f e e/v i e t n a m e s e", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "c o f f e e/t h a i", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "e s p r e s s o/e s p r e s s o") => 0;
      lfs_remove(&lfs, "e s p r e s s o/a m e r i c a n o") => 0;
      lfs_remove(&lfs, "e s p r e s s o/m a c c h i a t o") => 0;
      lfs_remove(&lfs, "e s p r e s s o/l a t t e") => 0;
      lfs_remove(&lfs, "e s p r e s s o/c a p p u c c i n o") => 0;
      lfs_remove(&lfs, "e s p r e s s o/m o c h a") => 0;
  
      // stat paths
      lfs_stat(&lfs, "e s p r e s s o/e s p r e s s o", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "e s p r e s s o/a m e r i c a n o", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "e s p r e s s o/m a c c h i a t o", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "e s p r e s s o/l a t t e", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "e s p r e s s o/c a p p u c c i n o", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "e s p r e s s o/m o c h a", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test with only spaces
  #
  # please don't do this
  [cases.test_paths_oopsallspaces]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, " ") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, " / ") => 0;
          lfs_mkdir(&lfs, " /  ") => 0;
          lfs_mkdir(&lfs, " /   ") => 0;
          lfs_mkdir(&lfs, " /    ") => 0;
          lfs_mkdir(&lfs, " /     ") => 0;
          lfs_mkdir(&lfs, " /      ") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, " / ", &info) => 0;
      assert(strcmp(info.name, " ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, " /  ", &info) => 0;
      assert(strcmp(info.name, "  ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, " /   ", &info) => 0;
      assert(strcmp(info.name, "   ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, " /    ", &info) => 0;
      assert(strcmp(info.name, "    ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, " /     ", &info) => 0;
      assert(strcmp(info.name, "     ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, " /      ", &info) => 0;
      assert(strcmp(info.name, "      ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, " / ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /  ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /   ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /    ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /     ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, " /      ",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, " / ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, " /  ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, " /   ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, " /    ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, " /     ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, " /      ") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, " / ") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, " /  ") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, " /   ") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, " /    ") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, " /     ") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, " /      ") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "  ") => 0;
      lfs_rename(&lfs,
              " / ",
              "  /      ") => 0;
      lfs_rename(&lfs,
              " /  ",
              "  /       ") => 0;
      lfs_rename(&lfs,
              " /   ",
              "  /        ") => 0;
      lfs_rename(&lfs,
              " /    ",
              "  /         ") => 0;
      lfs_rename(&lfs,
              " /     ",
              "  /          ") => 0;
      lfs_rename(&lfs,
              " /      ",
              "  /           ") => 0;
  
      // stat paths
      lfs_stat(&lfs, "  /      ", &info) => 0;
      assert(strcmp(info.name, "      ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "  /       ", &info) => 0;
      assert(strcmp(info.name, "       ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "  /        ", &info) => 0;
      assert(strcmp(info.name, "        ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "  /         ", &info) => 0;
      assert(strcmp(info.name, "         ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "  /          ", &info) => 0;
      assert(strcmp(info.name, "          ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "  /           ", &info) => 0;
      assert(strcmp(info.name, "           ") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, " / ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, " /  ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, " /   ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, " /    ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, " /     ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, " /      ", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "  /      ") => 0;
      lfs_remove(&lfs, "  /       ") => 0;
      lfs_remove(&lfs, "  /        ") => 0;
      lfs_remove(&lfs, "  /         ") => 0;
      lfs_remove(&lfs, "  /          ") => 0;
      lfs_remove(&lfs, "  /           ") => 0;
  
      // stat paths
      lfs_stat(&lfs, "  /      ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "  /       ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "  /        ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "  /         ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "  /          ", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "  /           ", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test with only ascii control characters
  #
  # littlefs only cares about "./" and NULL
  [cases.test_paths_nonprintable]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "\x0c") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "\x0c/\x01") => 0;
          lfs_mkdir(&lfs, "\x0c/\x02") => 0;
          lfs_mkdir(&lfs, "\x0c/\x03") => 0;
          lfs_mkdir(&lfs, "\x0c/\x04") => 0;
          lfs_mkdir(&lfs, "\x0c/\x05") => 0;
          lfs_mkdir(&lfs, "\x0c/\x06") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "\x0c/\x01", &info) => 0;
      assert(strcmp(info.name, "\x01") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0c/\x02", &info) => 0;
      assert(strcmp(info.name, "\x02") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0c/\x03", &info) => 0;
      assert(strcmp(info.name, "\x03") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0c/\x04", &info) => 0;
      assert(strcmp(info.name, "\x04") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0c/\x05", &info) => 0;
      assert(strcmp(info.name, "\x05") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0c/\x06", &info) => 0;
      assert(strcmp(info.name, "\x06") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\x0c/\x01",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x02",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x03",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x04",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x05",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x0c/\x06",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\x0c/\x01") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x0c/\x02") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x0c/\x03") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x0c/\x04") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x0c/\x05") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x0c/\x06") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\x0c/\x01") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x0c/\x02") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x0c/\x03") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x0c/\x04") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x0c/\x05") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x0c/\x06") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "\x0e") => 0;
      lfs_rename(&lfs,
              "\x0c/\x01",
              "\x0e/\x1a") => 0;
      lfs_rename(&lfs,
              "\x0c/\x02",
              "\x0e/\x1b") => 0;
      lfs_rename(&lfs,
              "\x0c/\x03",
              "\x0e/\x1c") => 0;
      lfs_rename(&lfs,
              "\x0c/\x04",
              "\x0e/\x1d") => 0;
      lfs_rename(&lfs,
              "\x0c/\x05",
              "\x0e/\x1e") => 0;
      lfs_rename(&lfs,
              "\x0c/\x06",
              "\x0e/\x1f") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\x0e/\x1a", &info) => 0;
      assert(strcmp(info.name, "\x1a") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0e/\x1b", &info) => 0;
      assert(strcmp(info.name, "\x1b") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0e/\x1c", &info) => 0;
      assert(strcmp(info.name, "\x1c") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0e/\x1d", &info) => 0;
      assert(strcmp(info.name, "\x1d") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0e/\x1e", &info) => 0;
      assert(strcmp(info.name, "\x1e") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x0e/\x1f", &info) => 0;
      assert(strcmp(info.name, "\x1f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "\x0c/\x01", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0c/\x02", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0c/\x03", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0c/\x04", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0c/\x05", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0c/\x06", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "\x0e/\x1a") => 0;
      lfs_remove(&lfs, "\x0e/\x1b") => 0;
      lfs_remove(&lfs, "\x0e/\x1c") => 0;
      lfs_remove(&lfs, "\x0e/\x1d") => 0;
      lfs_remove(&lfs, "\x0e/\x1e") => 0;
      lfs_remove(&lfs, "\x0e/\x1f") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\x0e/\x1a", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0e/\x1b", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0e/\x1c", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0e/\x1d", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0e/\x1e", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x0e/\x1f", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test with only ascii DELs
  #
  # I don't know why you'd do this
  [cases.test_paths_oopsalldels]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "\x7f") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "\x7f/\x7f") => 0;
          lfs_mkdir(&lfs, "\x7f/\x7f\x7f") => 0;
          lfs_mkdir(&lfs, "\x7f/\x7f\x7f\x7f") => 0;
          lfs_mkdir(&lfs, "\x7f/\x7f\x7f\x7f\x7f") => 0;
          lfs_mkdir(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f") => 0;
          lfs_mkdir(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "\x7f/\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f/\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\x7f/\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f\x7f") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f\x7f\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f\x7f\x7f\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f\x7f\x7f\x7f\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_rename(&lfs,
              "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f",
              "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => 0;
      assert(strcmp(info.name, "\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "\x7f/\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f/\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f/\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
      lfs_remove(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\x7f\x7f/\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f\x7f", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test with invalid utf8 sequences
  #
  # Don't do this! These filenames are not utf8 and will probably break
  # external tools.
  #
  [cases.test_paths_nonutf8]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "\xc0") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "\xc0/\xa0") => 0;
          lfs_mkdir(&lfs, "\xc0/\xb0") => 0;
          lfs_mkdir(&lfs, "\xc0/\xc0") => 0;
          lfs_mkdir(&lfs, "\xc0/\xd0") => 0;
          lfs_mkdir(&lfs, "\xc0/\xe0") => 0;
          lfs_mkdir(&lfs, "\xc0/\xf0") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "\xc0/\xa0", &info) => 0;
      assert(strcmp(info.name, "\xa0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xc0/\xb0", &info) => 0;
      assert(strcmp(info.name, "\xb0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xc0/\xc0", &info) => 0;
      assert(strcmp(info.name, "\xc0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xc0/\xd0", &info) => 0;
      assert(strcmp(info.name, "\xd0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xc0/\xe0", &info) => 0;
      assert(strcmp(info.name, "\xe0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xc0/\xf0", &info) => 0;
      assert(strcmp(info.name, "\xf0") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\xc0/\xa0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xb0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xc0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xd0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xe0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xc0/\xf0",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\xc0/\xa0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xc0/\xb0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xc0/\xc0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xc0/\xd0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xc0/\xe0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xc0/\xf0") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\xc0/\xa0") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xc0/\xb0") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xc0/\xc0") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xc0/\xd0") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xc0/\xe0") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xc0/\xf0") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "\xe0") => 0;
      lfs_rename(&lfs,
              "\xc0/\xa0",
              "\xe0/\xaf") => 0;
      lfs_rename(&lfs,
              "\xc0/\xb0",
              "\xe0/\xbf") => 0;
      lfs_rename(&lfs,
              "\xc0/\xc0",
              "\xe0/\xcf") => 0;
      lfs_rename(&lfs,
              "\xc0/\xd0",
              "\xe0/\xdf") => 0;
      lfs_rename(&lfs,
              "\xc0/\xe0",
              "\xe0/\xef") => 0;
      lfs_rename(&lfs,
              "\xc0/\xf0",
              "\xe0/\xff") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\xe0/\xaf", &info) => 0;
      assert(strcmp(info.name, "\xaf") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xe0/\xbf", &info) => 0;
      assert(strcmp(info.name, "\xbf") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xe0/\xcf", &info) => 0;
      assert(strcmp(info.name, "\xcf") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xe0/\xdf", &info) => 0;
      assert(strcmp(info.name, "\xdf") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xe0/\xef", &info) => 0;
      assert(strcmp(info.name, "\xef") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xe0/\xff", &info) => 0;
      assert(strcmp(info.name, "\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "\xc0/\xa0", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xc0/\xb0", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xc0/\xc0", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xc0/\xd0", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xc0/\xe0", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xc0/\xf0", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "\xe0/\xaf") => 0;
      lfs_remove(&lfs, "\xe0/\xbf") => 0;
      lfs_remove(&lfs, "\xe0/\xcf") => 0;
      lfs_remove(&lfs, "\xe0/\xdf") => 0;
      lfs_remove(&lfs, "\xe0/\xef") => 0;
      lfs_remove(&lfs, "\xe0/\xff") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\xe0/\xaf", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xe0/\xbf", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xe0/\xcf", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xe0/\xdf", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xe0/\xef", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xe0/\xff", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  
  # test with only "\xff" characters
  #
  # Don't do this! These filenames are not utf8 and will probably break
  # external tools.
  #
  [cases.test_paths_oopsallffs]
  defines.DIR = [false, true]
  code = '''
      lfs_t lfs;
      lfs_format(&lfs, cfg) => 0;
      lfs_mount(&lfs, cfg) => 0;
  
      // create paths
      lfs_mkdir(&lfs, "\xff") => 0;
      if (DIR) {
          lfs_mkdir(&lfs, "\xff/\xff") => 0;
          lfs_mkdir(&lfs, "\xff/\xff\xff") => 0;
          lfs_mkdir(&lfs, "\xff/\xff\xff\xff") => 0;
          lfs_mkdir(&lfs, "\xff/\xff\xff\xff\xff") => 0;
          lfs_mkdir(&lfs, "\xff/\xff\xff\xff\xff\xff") => 0;
          lfs_mkdir(&lfs, "\xff/\xff\xff\xff\xff\xff\xff") => 0;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
          lfs_file_close(&lfs, &file) => 0;
      }
  
      // stat paths
      struct lfs_info info;
      lfs_stat(&lfs, "\xff/\xff", &info) => 0;
      assert(strcmp(info.name, "\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff/\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff/\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      // file open paths, only works on files!
      if (DIR) {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_RDONLY) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
  
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      } else {
          lfs_file_t file;
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_RDONLY) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT) => 0;
          lfs_file_close(&lfs, &file) => 0;
  
          lfs_file_open(&lfs, &file, "\xff/\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
          lfs_file_open(&lfs, &file, "\xff/\xff\xff\xff\xff\xff\xff",
                  LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
      }
  
      // dir open paths, only works on dirs!
      if (DIR) {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\xff/\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff\xff\xff") => 0;
          lfs_dir_close(&lfs, &dir) => 0;
      } else {
          lfs_dir_t dir;
          lfs_dir_open(&lfs, &dir, "\xff/\xff") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff\xff") => LFS_ERR_NOTDIR;
          lfs_dir_open(&lfs, &dir, "\xff/\xff\xff\xff\xff\xff\xff") => LFS_ERR_NOTDIR;
      }
  
      // rename paths
      lfs_mkdir(&lfs, "\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff\xff\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff\xff\xff\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff\xff\xff\xff\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_rename(&lfs,
              "\xff/\xff\xff\xff\xff\xff\xff",
              "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => 0;
      assert(strcmp(info.name, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") == 0);
      assert(info.type == ((DIR) ? LFS_TYPE_DIR : LFS_TYPE_REG));
  
      lfs_stat(&lfs, "\xff/\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff/\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff/\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff/\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
  
      // remove paths
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff") => 0;
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
      lfs_remove(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff") => 0;
  
      // stat paths
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
      lfs_stat(&lfs, "\xff\xff/\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", &info) => LFS_ERR_NOENT;
  
      lfs_unmount(&lfs) => 0;
  '''
  