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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<title>load CORS Text track correctly when its parent media element's preload is none</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="manifest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<video preload="none" crossorigin="anonymous">
<track src="http://example.com/tests/dom/canvas/test/crossorigin/video.sjs?name=tests/dom/media/webvtt/test/mochitest/basic.vtt&type=text/vtt&cors=anonymous" kind="subtitles" id="default" default>
</video>
<script type="text/javascript">
/**
* This test is used to test the text track element with CORS resource can starts
* loaded correctly when its parent media element's preload attribute is none.
*/
async function runTest() {
await waitUntiTrackLoaded();
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
runTest();
/**
* The following are test helper functions.
*/
async function waitUntiTrackLoaded() {
let trackElement = document.getElementById("default");
if (trackElement.readyState != 2) {
info(`wait until the track finishes loading`);
await once(trackElement, "load");
}
is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
is(trackElement.track.cues.length, 6, "Cue list length should be 6.");
}
</script>
</body>
</html>