content: package com.alibaba.json.bvt.serializer;
  
  import java.io.ByteArrayOutputStream;
  import java.io.StringWriter;
  import java.nio.charset.Charset;
  
  import junit.framework.TestCase;
  
  import org.junit.Assert;
  
  import com.alibaba.fastjson.serializer.SerializeWriter;
  
  public class SerializeWriterTest_9 extends TestCase {
  
      public void test_error() throws Exception {
          SerializeWriter writer = new SerializeWriter(new StringWriter());
          Exception error = null;
          try {
              writer.writeTo(new StringWriter());
          } catch (Exception ex) {
              error = ex;
          }
          Assert.assertNotNull(error);
          writer.close();
      }
  
      public void test_error_2() throws Exception {
          SerializeWriter writer = new SerializeWriter(new StringWriter());
          Exception error = null;
          try {
              writer.writeTo(new ByteArrayOutputStream(), Charset.forName("UTF-8"));
          } catch (Exception ex) {
              error = ex;
          }
          Assert.assertNotNull(error);
          writer.close();
      }
      
      public void test_error_3() throws Exception {
          SerializeWriter writer = new SerializeWriter(new StringWriter());
          Exception error = null;
          try {
              writer.writeTo(new ByteArrayOutputStream(), "UTF-8");
          } catch (Exception ex) {
              error = ex;
          }
          Assert.assertNotNull(error);
          writer.close();
      }
      
      public void test_error_4() throws Exception {
          SerializeWriter writer = new SerializeWriter(new StringWriter());
          Exception error = null;
          try {
              writer.toCharArray();
          } catch (Exception ex) {
              error = ex;
          }
          Assert.assertNotNull(error);
          writer.close();
      }
      
      public void test_error_5() throws Exception {
          SerializeWriter writer = new SerializeWriter(new StringWriter());
          Exception error = null;
          try {
              writer.toBytes("UTF-8");
          } catch (Exception ex) {
              error = ex;
          }
          Assert.assertNotNull(error);
          writer.close();
      }
  }
  