code: @Test public void shouldDecoratePostProcessor(){
    final String expected="TestProcessor";
    final ResourcePostProcessor postProcessor=new ResourcePostProcessor(){
      public void process(    final Reader reader,    final Writer writer) throws IOException {
      }
      @Override public String toString(){
        return expected;
      }
    }
  ;
    final ProcessorDecorator decorator=new ProcessorDecorator(new ProcessorDecorator(new ProcessorDecorator(postProcessor)));
    assertEquals(expected,decorator.toString());
  }
  