test_sync_xhr_event_handling.html

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<!DOCTYPE HTML>

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

<html>

<head>

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

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

  <link rel="stylesheet" href="/tests/SimpleTest/test.css">

</head>

<body >

  <script type="text/javascript">

  SimpleTest.waitForExplicitFinish();

  var receivedAllEvents = false;

  var subTab = null;

  function startSlowXHR() {

    setTimeout(() => {

      var xhr = new XMLHttpRequest();

      xhr.open("GET", "slow.sjs", false);

      subTab.triggerKeys();

      xhr.send(null);

      ok(!receivedAllEvents, "Input Event should be blocked during sync XHR");

      window.requestIdleCallback(() => {

        ok(receivedAllEvents, "Input Event should be processed after synx XHR");

        SimpleTest.finish();

});

    }, 0);

  async function runTest() {

    await SpecialPowers.pushPrefEnv({

      set: [["dom.input_events.canSuspendInBCG.enabled", true]]

});

    subTab = window.open("file_sync_xhr_event_handling_helper.html");

  runTest();

  </script>

</body>

</html>