content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.jnifuse.struct;
  
  import static org.junit.Assert.assertEquals;
  
  import jnr.ffi.Runtime;
  import org.junit.Test;
  
  import java.nio.ByteBuffer;
  
  public class FileStatTest {
  
    @Test
    public void offset() {
      // allocate an enough large memory for jnistat
      FileStat jnistat = FileStat.of(ByteBuffer.allocate(256));
      ru.serce.jnrfuse.struct.FileStat jnrstat =
          new ru.serce.jnrfuse.struct.FileStat(Runtime.getSystemRuntime());
  
      assertEquals(jnrstat.st_dev.offset(), jnistat.st_dev.offset());
      assertEquals(jnrstat.st_ino.offset(), jnistat.st_ino.offset());
      assertEquals(jnrstat.st_nlink.offset(), jnistat.st_nlink.offset());
      assertEquals(jnrstat.st_mode.offset(), jnistat.st_mode.offset());
      assertEquals(jnrstat.st_uid.offset(), jnistat.st_uid.offset());
      assertEquals(jnrstat.st_gid.offset(), jnistat.st_gid.offset());
      assertEquals(jnrstat.st_rdev.offset(), jnistat.st_rdev.offset());
      assertEquals(jnrstat.st_size.offset(), jnistat.st_size.offset());
      assertEquals(jnrstat.st_blksize.offset(), jnistat.st_blksize.offset());
      assertEquals(jnrstat.st_blocks.offset(), jnistat.st_blocks.offset());
      assertEquals(jnrstat.st_atim.tv_sec.offset(), jnistat.st_atim.tv_sec.offset());
      assertEquals(jnrstat.st_atim.tv_nsec.offset(), jnistat.st_atim.tv_nsec.offset());
      assertEquals(jnrstat.st_mtim.tv_sec.offset(), jnistat.st_mtim.tv_sec.offset());
      assertEquals(jnrstat.st_mtim.tv_nsec.offset(), jnistat.st_mtim.tv_nsec.offset());
      assertEquals(jnrstat.st_ctim.tv_sec.offset(), jnistat.st_ctim.tv_sec.offset());
      assertEquals(jnrstat.st_ctim.tv_nsec.offset(), jnistat.st_ctim.tv_nsec.offset());
    }
  
    @Test
    public void dataConsistency() {
      FileStat stat = FileStat.of(ByteBuffer.allocateDirect(256));
      int mode = FileStat.ALL_READ | FileStat.ALL_WRITE | FileStat.S_IFDIR;
      long size = 0x123456789888721L;
      stat.st_mode.set(mode);
      stat.st_size.set(size);
      assertEquals(mode, stat.st_mode.intValue());
      assertEquals(size, stat.st_size.longValue());
  
      ByteBuffer buf = stat.getBuffer();
      assertEquals(mode, buf.getShort((int) stat.st_mode.offset()));
      assertEquals(size, buf.getLong((int) stat.st_size.offset()));
    }
  }
  