code: /** 
   * Verify 'Accept-Charset' request header
   * @throws Exception
   */
  @Test public void acceptCharsetHeader() throws Exception {
    final AtomicReference<String> header=new AtomicReference<String>();
    handler=new RequestHandler(){
      @Override public void handle(    Request request,    HttpServletResponse response){
        response.setStatus(HTTP_OK);
        header.set(request.getHeader("Accept-Charset"));
      }
    }
  ;
    assertTrue(get(url).acceptCharset(CHARSET_UTF8).ok());
    assertEquals(CHARSET_UTF8,header.get());
  }
  