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<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();

// This test checks loading a stereo segment, followed by a 5.1 segment plays without error.

runWithMSE(async (ms, el) => {
  el.controls = true;
  await once(ms, "sourceopen");
  ok(true, "Receive a sourceopen event");
  logEvents(el);

  const audiosb = ms.addSourceBuffer("audio/mp4");
  el.addEventListener("error", e => {
    ok(false, `should not fire ${e.type} event`);
    SimpleTest.finish();
  });
  is(el.readyState, el.HAVE_NOTHING, "readyState is HAVE_NOTHING");
  let p = once(el, "loadedmetadata");
  await fetchAndLoad(audiosb, "aac20-48000-64000-", ["init"], ".mp4");
  await p;
  ok(true, "got loadedmetadata event");
  p = Promise.all([once(el, "loadeddata"), once(el, "canplay")]);
  await fetchAndLoad(audiosb, "aac20-48000-64000-", ["1"], ".m4s");
  await p;
  ok(true, "got canplay event");
  el.play();
  await fetchAndLoad(audiosb, "aac51-48000-128000-", ["init"], ".mp4");
  await fetchAndLoad(audiosb, "aac51-48000-128000-", ["2"], ".m4s");
  ms.endOfStream();
  await once(el, "ended");
  ok(el.currentTime >= 6, "played to the end");
  SimpleTest.finish();
});

</script>
</pre>
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