code: /** 
   * When background url contains a dataUri, the rewriting should have no effect.
   */
  @Test public void processResourceWithDataUriEncodedValue() throws IOException {
    final String resourceUri="classpath:cssUrlRewriting-dataUri.css";
    WroTestUtils.compareProcessedResourceContents(resourceUri,resourceUri,new ResourcePostProcessor(){
      public void process(    final Reader reader,    final Writer writer) throws IOException {
        processor.process(createMockResource(resourceUri),reader,writer);
      }
    }
  );
  }
  