code: @Test public void testCallerData(){
  {
      DynamicConverter<ILoggingEvent> converter=new CallerDataConverter();
      converter.start();
      StringBuilder buf=new StringBuilder();
      converter.write(buf,le);
      if (buf.length() < 10) {
        fail("buf is too short");
      }
    }
  {
      DynamicConverter<ILoggingEvent> converter=new CallerDataConverter();
      this.optionList.add("2");
      this.optionList.add("XXX");
      converter.setOptionList(this.optionList);
      converter.start();
      StringBuilder buf=new StringBuilder();
      LoggingEvent event=makeLoggingEvent(null);
      event.setMarker(MarkerFactory.getMarker("XXX"));
      converter.write(buf,event);
      if (buf.length() < 10) {
        fail("buf is too short");
      }
    }
  {
      DynamicConverter<ILoggingEvent> converter=new CallerDataConverter();
      this.optionList.clear();
      this.optionList.add("2");
      this.optionList.add("XXX");
      this.optionList.add("*");
      converter.setOptionList(this.optionList);
      converter.start();
      StringBuilder buf=new StringBuilder();
      LoggingEvent event=makeLoggingEvent(null);
      event.setMarker(MarkerFactory.getMarker("YYY"));
      converter.write(buf,event);
      if (buf.length() < 10) {
        fail("buf is too short");
      }
    }
  {
      DynamicConverter<ILoggingEvent> converter=new CallerDataConverter();
      this.optionList.clear();
      this.optionList.add("2");
      this.optionList.add("XXX");
      this.optionList.add("+");
      converter.setOptionList(this.optionList);
      converter.start();
      StringBuilder buf=new StringBuilder();
      LoggingEvent event=makeLoggingEvent(null);
      event.setMarker(MarkerFactory.getMarker("YYY"));
      converter.write(buf,event);
      if (buf.length() < 10) {
        fail("buf is too short");
      }
    }
  {
      DynamicConverter<ILoggingEvent> converter=new CallerDataConverter();
      this.optionList.clear();
      this.optionList.add("2");
      this.optionList.add("XXX");
      this.optionList.add("*");
      converter.setOptionList(this.optionList);
      converter.start();
      StringBuilder buf=new StringBuilder();
      converter.write(buf,le);
      if (buf.length() < 10) {
        fail("buf is too short");
      }
    }
  }
  