third_party/web_platform_tests/XMLHttpRequest/abort-during-upload.htm

<!doctype html>
<html>
  <head>
    <title>XMLHttpRequest: abort() while sending data</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-abort()-method" data-tested-assertations="following-sibling::ol/li[4]/ol/li[7] following-sibling::ol/li[4]/ol/li[7]/ol/li[2] following-sibling::ol/li[4]/ol/li[7]/ol/li[3] following-sibling::ol/li[4]/ol/li[7]/ol/li[4]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#make-upload-progress-notifications" data-tested-assertations="following::ul[1]/li[1] following::ul[1]/li[2]/ol[1]/li[2] following::ul[1]/li[2]/ol[1]/li[3] following::ul[1]/li[2]/ol[1]/li[4]" />
  </head>
  <body>
    <div id="log"></div>
    <script>
      var test = async_test(document.title, {timeout:1100})
      var result = []
      var expected = ['progress on XHR Upload', 'abort on XHR Upload', 'loadend on XHR Upload', 'progress on XHR', 'abort on XHR', 'loadend on XHR']
      function logEvt (e) {
        var str = e.type+' on '
        str += e.target instanceof XMLHttpRequest ? 'XHR' : 'XHR Upload'
        result.push(str)
      }
      test.step(function() {
        var client = new XMLHttpRequest()
        client.open("POST", "resources/delay.py?ms=1000")
        client.addEventListener('progress', logEvt)
        client.addEventListener('abort', logEvt)
        client.addEventListener('loadend', function (e) {
          logEvt(e)
          test.step(function() {
            assert_equals(client.readyState, 4)
            assert_array_equals(result, expected)
            test.done()
          })
        })
        client.upload.addEventListener('loadend', logEvt)
        client.upload.addEventListener('progress', logEvt)
        client.upload.addEventListener('abort', logEvt)
        client.send((new Array(10000)).join('a'))
        client.abort()
      })
    </script>
  </body>
</html>