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.serializer.SerializerFeature;
  import junit.framework.TestCase;
  
  public class JSONPath_reverse_test extends TestCase
  {
      public void test_reserve() throws Exception {
          JSONObject object = JSON.parseObject("{\"id\":1001,\"name\":\"ljw\",\"age\":50}");
  
          assertEquals("[1001,\"ljw\"]", JSONPath.reserveToArray(object, "id", "name").toString());
          assertEquals("[\"ljw\",1001]", JSONPath.reserveToArray(object, "name", "id").toString());
          String text = JSON.toJSONString(JSONPath.reserveToArray(object, "name", "*"), SerializerFeature.MapSortField);
          assertTrue(text.equals("[\"ljw\",[\"ljw\",1001,50]]")
                  || text.equals("[\"ljw\",[\"ljw\",50,1001]]")
                  || text.equals("[\"ljw\",[50,1001,\"ljw\"]]")
                  || text.equals("[\"ljw\",[1001,50,\"ljw\"]]")
                  || text.equals("[\"ljw\",[1001,\"ljw\",50]]")
                  || text.equals("[\"ljw\",[50,\"ljw\",1001]]"));
      }
  
      public void test_reserve2() throws Exception {
          JSONObject object = JSON.parseObject("{\"id\":1001,\"name\":\"ljw\",\"age\":50}");
  
          assertEquals("{\"id\":1001,\"name\":\"ljw\"}", JSONPath.reserveToObject(object, "id", "name").toString());
          assertEquals("{\"name\":\"ljw\",\"id\":1001}", JSONPath.reserveToObject(object, "name", "id").toString());
      }
  
  
      public void test_reserve3() throws Exception {
          JSONObject object = JSON.parseObject("{\"player\":{\"id\":1001,\"name\":\"ljw\",\"age\":50}}");
  
          String text = JSON.toJSONString(JSONPath.reserveToObject(object, "player.id", "player.name"), SerializerFeature.MapSortField);
          assertEquals("{\"player\":{\"id\":1001,\"name\":\"ljw\"}}", text);
          text = JSON.toJSONString(JSONPath.reserveToObject(object, "player.name", "player.id", "ab.c"), SerializerFeature.MapSortField);
          assertEquals("{\"player\":{\"id\":1001,\"name\":\"ljw\"}}", text);
      }
  
  
  }
  