content: package com.alibaba.json.bvt.serializer.enum_;
  
  import org.junit.Assert;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializeFilter;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import com.alibaba.fastjson.serializer.ValueFilter;
  
  import junit.framework.TestCase;
  
  public class EnumFieldsTest8 extends TestCase {
  
      public void test_enum() throws Exception {
          Model model = new Model();
          model.t1 = Type.A;
          model.t2 = null;
          
          ValueFilter valueFilter = new ValueFilter() {
  
              public Object process(Object object, String name, Object value) {
                  return value;
              }
              
          };
          
          SerializeFilter[] filters = {valueFilter};
          String text = JSON.toJSONString(model, SerializeConfig.getGlobalInstance(), // 
                                          filters, 
                                          null,
                                          0, // 
                                          SerializerFeature.QuoteFieldNames, // 
                                          SerializerFeature.BrowserCompatible, // 
                                          SerializerFeature.WriteEnumUsingName);
          Assert.assertEquals("{\"t1\":\"A\"}", text);
      }
  
      public static class Model {
  
          public Type t1;
          public Type t2;
      }
  
      public static enum Type {
                               A, B, C
      }
  }
  