content: package com.alibaba.json.bvt.path.extract;
  
  import com.alibaba.fastjson.JSONPath;
  import junit.framework.TestCase;
  
  import java.net.InetSocketAddress;
  
  public class JSONPath_extract_1 extends TestCase {
      public void test_0() throws Exception {
          String json = "[{\"id\":1001},{\"id\":1002},{\"id\":1003},[1],123,-4,\"a\\\"bc\"]";
  
          assertEquals("{\"id\":1001}"
                  , JSONPath.extract(json, "$.0")
                      .toString());
  
          assertEquals("{\"id\":1002}"
                  , JSONPath.extract(json, "$.1")
                          .toString());
  
  
          assertEquals("{\"id\":1003}"
                  , JSONPath.extract(json, "$.2")
                          .toString());
  
          assertEquals("[1]"
                  , JSONPath.extract(json, "$.3")
                          .toString());
  
          assertEquals("123"
                  , JSONPath.extract(json, "$.4")
                          .toString());
  
          assertEquals("-4"
                  , JSONPath.extract(json, "$.5")
                          .toString());
  
          assertEquals("a\"bc"
                  , JSONPath.extract(json, "$.6")
                          .toString());
      }
  
      public void test_1() throws Exception {
          String json = "[\"a\\\"bc\",123]";
  
          assertEquals("a\"bc"
                  , JSONPath.extract(json, "$.0")
                          .toString());
  
          assertEquals("123"
                  , JSONPath.extract(json, "$.1")
                          .toString());
      }
  
      public void test_2() throws Exception {
          String json = "[\"a\\\\bc\",123]";
  
          assertEquals("a\\bc"
                  , JSONPath.extract(json, "$.0")
                          .toString());
  
          assertEquals("123"
                  , JSONPath.extract(json, "$.1")
                          .toString());
      }
  
      public void test_3() throws Exception {
          String json = "[\"a\\\"b\\\\c\\\"d\\\"e\",123]";
  
          assertEquals("a\"b\\c\"d\"e"
                  , JSONPath.extract(json, "$.0")
                          .toString());
  
          assertEquals("123"
                  , JSONPath.extract(json, "$.1")
                          .toString());
  
          assertNull(JSONPath.extract(json, "$.2"));
      }
  }
  