gecko-dev/dom/media/test/test_cloneElementVisually_resource_change.html
2019-10-24 10:50:59 +00:00

68 lines
1.7 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test cloneElementVisually</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="https://example.com:443/tests/dom/media/test/cloneElementVisually_helpers.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
</head>
<body>
<div id="content">
<h1>Original</h1>
<video id="original"></video>
<h1>MediaStream</h1>
<video id="streamTarget"></video>
<h1>Clone</h1>
</div>
<div id="results">
<h1>Results</h1>
<canvas id="left"></canvas>
<canvas id="right"></canvas>
</div>
<script type="application/javascript">
/* import-globals-from cloneElementVisually_helpers.js */
/**
* Tests that cloning survives changes to the underlying video resource.
*/
add_task(async () => {
await setup();
let originalVideo = document.getElementById("original");
originalVideo.setAttribute("loop", true);
await originalVideo.play();
await withNewClone(originalVideo, async clone => {
SpecialPowers.wrap(originalVideo).cloneElementVisually(clone);
await waitForEventOnce(originalVideo, "timeupdate");
originalVideo.pause();
await waitForEventOnce(originalVideo, "pause");
ok(await assertVideosMatch(originalVideo, clone),
"Initial video should match.");
await setVideoSrc(originalVideo, TEST_VIDEO_2);
await originalVideo.play();
await waitForEventOnce(originalVideo, "timeupdate");
originalVideo.pause();
await waitForEventOnce(originalVideo, "pause");
ok(await assertVideosMatch(originalVideo, clone),
"New video should match.");
});
await setVideoSrc(originalVideo, TEST_VIDEO_1);
});
</script>
</body>
</html>