content: package com.alibaba.json.bvt.path;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.JSONPath;
  import com.alibaba.fastjson.parser.Feature;
  import com.alibaba.fastjson.util.IOUtils;
  import junit.framework.TestCase;
  
  import java.io.InputStream;
  import java.io.InputStreamReader;
  
  public class BookExtractTest extends TestCase {
      private String json;
  
      protected void setUp() throws Exception {
          InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("json/book.json");
          InputStreamReader reader = new InputStreamReader(is);
          json = IOUtils.readAll(reader);
          IOUtils.close(reader);
      }
  
      public void test_0() throws Exception {
          assertEquals(4, JSONPath.extract(json, "$..book.length()"));
      }
  
      public void test_1() throws Exception {
          assertEquals("[\"reference\",\"Nigel Rees\",\"Sayings of the Century\",8.95,\"fiction\",\"Evelyn Waugh\",\"Sword of Honour\",12.99,\"fiction\",\"Herman Melville\",\"Moby Dick\",\"0-553-21311-3\",8.99,\"fiction\",\"J. R. R. Tolkien\",\"The Lord of the Rings\",\"0-395-19395-8\",22.99,\"red\",19.95,10]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..*")));
      }
  
      public void test_2() throws Exception {
          assertEquals("[\"Nigel Rees\",\"Evelyn Waugh\",\"Herman Melville\",\"J. R. R. Tolkien\"]", JSON.toJSONString(JSONPath.extract(json, "$.store.book[*].author")));
      }
  
      public void test_3() throws Exception {
          assertEquals("[\"Nigel Rees\",\"Evelyn Waugh\",\"Herman Melville\",\"J. R. R. Tolkien\"]", JSON.toJSONString(JSONPath.extract(json, "$..author")));
      }
  
      public void test_4() throws Exception {
          assertEquals("[8.95,12.99,8.99,22.99,19.95]", JSON.toJSONString(JSONPath.extract(json, "$..price")));
      }
  
      public void test_5() throws Exception {
          assertEquals("[8.95,12.99,8.99,22.99]", JSON.toJSONString(JSONPath.extract(json, "$..book.price")));
      }
  
      public void test_6() throws Exception {
          assertEquals("[[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95},{\"category\":\"fiction\",\"author\":\"Evelyn Waugh\",\"title\":\"Sword of Honour\",\"price\":12.99},{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99},{\"category\":\"fiction\",\"author\":\"J. R. R. Tolkien\",\"title\":\"The Lord of the Rings\",\"isbn\":\"0-395-19395-8\",\"price\":22.99}],{\"color\":\"red\",\"price\":19.95}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$.store.*")));
      }
  
      public void test_7() throws Exception {
          assertEquals("[8.95,12.99,8.99,22.99,19.95]"
                  , JSON.toJSONString(JSONPath.extract(json, "$.store..price")));
      }
  
      public void test_8() throws Exception {
          assertEquals("{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99}"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[2]")));
      }
  
      public void test_9() throws Exception {
          assertEquals("{\"category\":\"fiction\",\"author\":\"J. R. R. Tolkien\",\"title\":\"The Lord of the Rings\",\"isbn\":\"0-395-19395-8\",\"price\":22.99}"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[-1]")));
      }
  
      public void test_10() throws Exception {
          assertEquals("[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95},{\"category\":\"fiction\",\"author\":\"Evelyn Waugh\",\"title\":\"Sword of Honour\",\"price\":12.99}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[0,1]")));
      }
  
      public void test_11() throws Exception {
          assertEquals("[{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99},{\"category\":\"fiction\",\"author\":\"J. R. R. Tolkien\",\"title\":\"The Lord of the Rings\",\"isbn\":\"0-395-19395-8\",\"price\":22.99}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[?(@.isbn)]")));
      }
  
      public void test_12() throws Exception {
          assertEquals("[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95},{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$.store.book[?(@.price < 10)]")));
      }
  
      public void test_13() throws Exception {
          assertEquals("[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95},{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[?(@.price <= $['expensive'])]")));
      }
  
      public void test_14() throws Exception {
          assertEquals("[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[?(@.author =~ /.*REES/i)]")));
      }
  
      public void test_15() throws Exception {
          assertEquals("[{\"category\":\"reference\",\"author\":\"Nigel Rees\",\"title\":\"Sayings of the Century\",\"price\":8.95}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$..book[?(@.author =~ /.*REES/i)]")));
      }
  
      public void test_16() throws Exception {
          assertEquals("[{\"category\":\"fiction\",\"author\":\"Herman Melville\",\"title\":\"Moby Dick\",\"isbn\":\"0-553-21311-3\",\"price\":8.99}]"
                  , JSON.toJSONString(JSONPath.extract(json, "$.store.book[?(@.price < 10 && @.category == 'fiction')]")));
      }
  
  }
  