content: package com.alibaba.json.bvt;
  
  import java.net.URL;
  
  import junit.framework.Assert;
  import junit.framework.TestCase;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  
  public class URLFieldTest extends TestCase {
  
      public void test_codec() throws Exception {
          User user = new User();
          user.setValue(new URL("http://code.alibaba-tech.com"));
  
          SerializeConfig mapping = new SerializeConfig();
          mapping.setAsmEnable(false);
          String text = JSON.toJSONString(user, mapping, SerializerFeature.WriteMapNullValue);
          System.out.println(text);
  
          User user1 = JSON.parseObject(text, User.class);
  
          Assert.assertEquals(user1.getValue().toString(), user.getValue().toString());
      }
  
      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 URL value;
  
          public URL getValue() {
              return value;
          }
  
          public void setValue(URL value) {
              this.value = value;
          }
  
      }
  }
  