<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: basic functionality</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="mediasource.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

runWithMSE(async (ms, el) => {
  await once(ms, "sourceopen");
  const sb = ms.addSourceBuffer("video/webm");
  sb.appendBuffer(new Uint8Array(await fetchWithXHR("seek.webm")));
  sb.addEventListener("updateend", () => ms.endOfStream());

  // Test "ended" is fired when seeking to the end of the media
  // once the duration is known.
  ms.onsourceended = () => el.currentTime = el.duration;
  await once(el, "ended");
  SimpleTest.finish();
});

</script>
</pre>
</body>
</html>
