content: package com.alibaba.json.bvt.serializer;
  
  import java.io.StringWriter;
  import java.util.Collections;
  
  import junit.framework.TestCase;
  
  import org.junit.Assert;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.JSONSerializer;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SerializeWriter;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  
  public class SerializeWriterTest_13 extends TestCase {
  
      public void test_default() throws Exception {
          Assert.assertEquals("{\"\":\"\"}", //
                              JSON.toJSONStringZ(Collections.singletonMap("", ""), //
                                                 SerializeConfig.getGlobalInstance()));
      }
  
      public void test_single() throws Exception {
          Assert.assertEquals("{'':''}", //
                              JSON.toJSONStringZ(Collections.singletonMap("", ""), //
                                                 SerializeConfig.getGlobalInstance(), SerializerFeature.UseSingleQuotes));
      }
  
      public void test_writer() throws Exception {
          SerializeWriter out = new SerializeWriter(3);
  
          try {
              JSONSerializer serializer = new JSONSerializer(out);
  
              serializer.write(Collections.singletonMap("", ""));
              Assert.assertEquals("{\"\":\"\"}", out.toString());
          } finally {
              out.close();
          }
      }
  
      public void test_writer_single() throws Exception {
          SerializeWriter out = new SerializeWriter(3);
          out.config(SerializerFeature.UseSingleQuotes, true);
  
          try {
              JSONSerializer serializer = new JSONSerializer(out);
  
              serializer.write(Collections.singletonMap("", ""));
              Assert.assertEquals("{'':''}", out.toString());
          } finally {
              out.close();
          }
      }
      
  }
  