test_1396395.html - mozsearch

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<!DOCTYPE HTML>

<!-- vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: -->

<html>

  <!-- Any copyright is dedicated to the Public Domain.

    - http://creativecommons.org/publicdomain/zero/1.0/ -->

<head>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

</head>

<body>

  <iframe id="f" src="about:blank"></iframe>

  <script type="text/javascript">

SimpleTest.waitForExplicitFinish();

var script = SpecialPowers.loadChromeScript(() => {

  /* eslint-env mozilla/chrome-script */

  Services.obs.addObserver(function onExamResp(subject) {

    let channel = subject.QueryInterface(Ci.nsIHttpChannel);

    if (!channel.URI.spec.startsWith("http://example.org")) {

      return;

    Services.obs.removeObserver(onExamResp, 'http-on-examine-response');

    channel.suspend();

    Promise.resolve().then(() => {

      channel.resume();

});

  }, 'http-on-examine-response');

  sendAsyncMessage('start-test');

});

script.addMessageListener('start-test', () => {

  const iframe = document.getElementById('f');

  iframe.contentWindow.onunload = function () {

    info('initiate sync XHR during the page loading');

    let xhr = new XMLHttpRequest();

    xhr.open('GET', window.location, false);

    xhr.send(null);

    ok(true, 'complete without crash');

    script.destroy();

    SimpleTest.finish();

  iframe.src = 'http://example.org';

});

  </script>

</body>

</html>