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<!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>