content: package com.alibaba.json.bvt;
  
  import java.util.UUID;
  
  import org.junit.Assert;
  import junit.framework.TestCase;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  
  public class UUIDFieldTest extends TestCase {
  
      public void test_codec() throws Exception {
          User user = new User();
          user.setValue(UUID.randomUUID());
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
          String text = JSON.toJSONString(user, mapping, SerializerFeature.WriteMapNullValue);
  
          User user1 = JSON.parseObject(text, User.class);
  
          Assert.assertEquals(user1.getValue(), user.getValue());
      }
      public void test_codec_upper_case() throws Exception {
         User  user = new User();
  
         String text ="{\"value\":\"79104776-6CA7-4E41-948F-4D2ECD06502A\"}";
         user = JSON.parseObject(text,  User.class);
  
         Assert.assertEquals("79104776-6CA7-4E41-948F-4D2ECD06502A", user.getValue().toString().toUpperCase());	   
      }  
  
      public void test_codec_null() throws Exception {
          User user = new User();
          user.setValue(null);
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
          String text = JSON.toJSONString(user, mapping, SerializerFeature.WriteMapNullValue);
  
          User user1 = JSON.parseObject(text, User.class);
  
          Assert.assertEquals(user1.getValue(), user.getValue());
      }
  
      public static class User {
  
          private UUID value;
  
          public UUID getValue() {
              return value;
          }
  
          public void setValue(UUID value) {
              this.value = value;
          }
  
      }
  }
  