content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import org.junit.jupiter.api.Test;
  
  import java.util.HashMap;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class Issue37 {
      @Test
      public void test_for_issue() {
          String str = "{\"test\":\"123465\"}";
          JSONObject json = JSON.parseObject(str);
          assertEquals(1, json.toJavaObject(Map.class).size());
          assertEquals(1, JSON.toJavaObject(json, Map.class).size());
          assertEquals(1, JSON.toJavaObject(str, Map.class).size());
  
          {
              HashMap map = json.toJavaObject(HashMap.class);
              assertNotNull(map);
              assertEquals(1, map.size());
          }
          {
              LinkedHashMap map = json.toJavaObject(LinkedHashMap.class);
              assertNotNull(map);
              assertEquals(1, map.size());
          }
      }
  }
  