content: package com.alibaba.json.bvt;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  import junit.framework.Assert;
  import junit.framework.TestCase;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.annotation.JSONField;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  
  public class DateFieldTest4 extends TestCase {
  
      public void test_codec() throws Exception {
          SerializeConfig mapping = new SerializeConfig();
  
          V0 v = new V0();
          v.setValue(new Date());
  
          String text = JSON.toJSONString(v, mapping);
  
          Assert.assertEquals("{\"value\":" + JSON.toJSONString(new SimpleDateFormat("yyyy-MM-dd").format(v.getValue())) + "}", text);
      }
  
      public void test_codec_no_asm() throws Exception {
          V0 v = new V0();
          v.setValue(new Date());
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
  
          String text = JSON.toJSONString(v, mapping, SerializerFeature.WriteMapNullValue);
          Assert.assertEquals("{\"value\":" + JSON.toJSONString(new SimpleDateFormat("yyyy-MM-dd").format(v.getValue())) + "}", text);
      }
  
      public void test_codec_asm() throws Exception {
          V0 v = new V0();
          v.setValue(new Date());
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(true);
  
          String text = JSON.toJSONString(v, mapping, SerializerFeature.WriteMapNullValue);
          Assert.assertEquals("{\"value\":" + JSON.toJSONString(new SimpleDateFormat("yyyy-MM-dd").format(v.getValue())) + "}", text);
      }
  
      public void test_codec_null_asm() throws Exception {
          V0 v = new V0();
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(true);
  
          String text = JSON.toJSONString(v, mapping, SerializerFeature.WriteMapNullValue);
          Assert.assertEquals("{\"value\":null}", text);
  
          V0 v1 = JSON.parseObject(text, V0.class);
  
          Assert.assertEquals(v1.getValue(), v.getValue());
      }
  
      public void test_codec_null_1() throws Exception {
          V0 v = new V0();
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
  
          String text = JSON.toJSONString(v, mapping, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullNumberAsZero);
          Assert.assertEquals("{\"value\":null}", text);
  
          V0 v1 = JSON.parseObject(text, V0.class);
  
          Assert.assertEquals(null, v1.getValue());
      }
  
      public static class V0 {
  
          private Date value;
  
          @JSONField(format = "yyyy-MM-dd")
          public Date getValue() {
              return value;
          }
  
          public void setValue(Date value) {
              this.value = value;
          }
  
      }
  }
  