@Test
  public void sendIntHeaderWithoutCode() throws Exception {
    final AtomicReference<String> body = new AtomicReference<String>();
    handler = new RequestHandler() {

      @Override
      public void handle(Request request, HttpServletResponse response) {
        body.set(new String(read()));
        response.setIntHeader("Width", 9876);
        response.setStatus(HTTP_OK);
      }
    };

    HttpRequest request = post(url).ignoreCloseExceptions(false);
    assertEquals(9876, request.send("hello").intHeader("Width"));
    assertEquals("hello", body.get());
  }
Verify data is send when receiving response integer header without first
calling {@link HttpRequest#code()}

@throws Exception
lib/src/test/java/com/github/kevinsawicki/http/HttpRequestTest.java