dom/media/test/test_bug1018933.html
author Dorel Luca <dluca@mozilla.com>
Sat, 12 Jan 2019 01:28:30 +0200
changeset 453595 c45da646fc6140bd59a36bda18f6cecde6163feb
parent 212346 277005c35f059e79bbcf07cecb1523a484eae981
child 469641 ba6f655fd68963530c866d0d4a48c3db3d307777
permissions -rw-r--r--
Backed out changeset 24243f13c895 (bug 1519308) for build bustage in mozbuild/mozbuild/test/configure/test_checks_configure.py. CLOSED TREE

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1018933
-->
<head>
  <meta charset='utf-8'>
  <title>Regression test for bug 1018933 - HTMLTrackElement should create only one TextTrack</title>
  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();

var video = document.createElement("video");
video.src = "seek.webm";
video.preload = "auto";

var trackElement = document.createElement("track");
trackElement.src = "basic.vtt";
trackElement.kind = "subtitles";

document.getElementById("content").appendChild(video);
video.appendChild(trackElement);

// Accessing the track now would have caused the bug as the track element
// shouldn't have had time to bind to the tree yet.
trackElement.track.mode = 'showing';

video.addEventListener("loadedmetadata", function run_tests() {
  // Re-que run_tests() at the end of the event loop until the track
  // element has loaded its data.
  if (trackElement.readyState == 1) {
    setTimeout(run_tests, 0);
    return;
  }

  is(video.textTracks.length, 1, "Video should have one TextTrack.");
  SimpleTest.finish();
});
</script>
</pre>
</body>
</html>