third_party/web_platform_tests/XMLHttpRequest/status-async.htm

<!doctype html>
<html>
  <head>
    <title>XMLHttpRequest: status/statusText - various responses</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-status-attribute" data-tested-assertations="following::ol/li[1] following::ol/li[3]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-statustext-attribute" data-tested-assertations="following::ol/li[1] following::ol/li[3]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-getresponseheader()-method" data-tested-assertations="following::ol/li[5]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-responsetext-attribute" data-tested-assertations="following::ol/li[4]" />
  </head>
  <body>
    <div id="log"></div>
    <script>
      var counter=0
      function statusRequest(method, code, text, content, type) {
        counter++
        var test = async_test(document.title +' '+ counter+" (" + method + " " + code + ")")
        test.step(function() {
          var client = new XMLHttpRequest()
          client.onreadystatechange = function(e) {
            test.step(function() {
              if(client.readyState > 1) {
                assert_equals(client.status, code)
                assert_equals(client.statusText, text)
                assert_equals(client.getResponseHeader("X-Request-Method"), method)
                if(client.readyState == 4) {
                  if(method != "HEAD") {
                    if(type == "text/xml") {
                      assert_equals(client.responseXML.documentElement.localName, "x")
                    }
                    assert_equals(client.responseText, content)
                  }
                  test.done()
                }
              }else{
                assert_equals(client.status, 0)
                assert_equals(client.statusText, "")
              }
            }, this)
          }
          client.open(method, "resources/status.py?code=" + encodeURIComponent(code) + "&text=" + text + "&content=" + encodeURIComponent(content) + "&type=" + encodeURIComponent(type))
          client.send(null)
        })
      }
      function status(code, text, content, type) {
        statusRequest("GET", code, text, content, type)
        statusRequest("HEAD", code, text, content, type)
        statusRequest("CHICKEN", code, text, content, type)
      }
      status(204, "UNICORNSWIN", "", "")
      status(401, "OH HELLO", "Not today.", "")
      status(402, "FIVE BUCKS", "<x>402<\/x>", "text/xml")
      status(402, "FREE", "Nice!", "text/doesnotmatter")
      status(402, "402 TEH AWESOME", "", "")
      status(502, "YO", "", "")
      status(502, "lowercase", "SWEET POTATO", "text/plain")
      status(503, "HOUSTON WE HAVE A", "503", "text/plain")
      status(699, "WAY OUTTA RANGE", "699", "text/plain")
    </script>
  </body>
</html>