content: package com.alibaba.json.bvt.issue_1200;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.annotation.JSONType;
  import org.junit.jupiter.api.Test;
  
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  /**
   * Created by wenshao on 30/05/2017.
   */
  public class Issue1233 {
      @Test
      public void test_for_issue() throws Exception {
          JSONObject jsonObject = JSON.parseObject("{\"type\":\"floorV2\",\"templateId\":\"x123\"}");
  
          com.alibaba.fastjson2.JSON.mixIn(Area.class, AreaMixIn.class);
          com.alibaba.fastjson2.JSON.mixIn(FloorV2.class, FloorV2MixIn.class);
  
          FloorV2 floorV2 = (FloorV2) jsonObject.toJavaObject(Area.class);
          assertNotNull(floorV2);
          assertEquals("x123", floorV2.templateId);
      }
  
      @JSONType(seeAlso = FloorV2.class, typeKey = "type")
      public interface AreaMixIn {
      }
  
      @JSONType(typeName = "floorV2")
      public interface FloorV2MixIn {
      }
  
      public interface Area {
          public static final String TYPE_SECTION = "section";
          public static final String TYPE_FLOORV1 = "floorV1";
          public static final String TYPE_FLOORV2 = "floorV2";
  
          String getName();
      }
  
      public static class Section
              implements Area {
          public List<Area> children;
  
          public String type;
  
          public String templateId;
  
          public String getName() {
              return templateId;
          }
      }
  
      public static class FloorV1
              implements Area {
          public String type;
          public String templateId;
  
          public String getName() {
              return templateId;
          }
      }
  
      public static class FloorV2
              implements Area {
          public List<Area> children;
  
          public String type;
  
          public String templateId;
  
          public String getName() {
              return templateId;
          }
      }
  }
  