content: package com.alibaba.json.bvt;
  
  import java.util.List;
  
  import junit.framework.Assert;
  import junit.framework.TestCase;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.parser.ParserConfig;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  
  public class ListFieldTest extends TestCase {
      public void test_codec_null() throws Exception {
          V0 v = new V0();
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
  
          String text = JSON.toJSONString(v, mapping, SerializerFeature.WriteMapNullValue);
          Assert.assertEquals("{\"value\":null}", text);
  
          ParserConfig config = new ParserConfig();
          config.setAsmEnable(false);
          
          V0 v1 = JSON.parseObject(text, V0.class, config, JSON.DEFAULT_PARSER_FEATURE);
  
          Assert.assertEquals(v1.getValue(), v.getValue());
      }
  
  	public static class V0 {
  
  		private List<Object> value;
  
  		public List<Object> getValue() {
  			return value;
  		}
  
  		public void setValue(List<Object> value) {
  			this.value = value;
  		}
  
  	}
  }
  