<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: memory reporting</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, v) => {
  // Load a webm video and play it.
  await once(ms, "sourceopen");
  const sb = ms.addSourceBuffer("video/webm");
  await fetchAndLoad(sb, "seek", [""], ".webm");
  const p = once(v, "ended");
  ms.endOfStream();
  v.play();
  await p;

  // Test that memory reporting works once we've played a video.
  // Grab a memory report.
  const mgr = SpecialPowers.Cc["@mozilla.org/memory-reporter-manager;1"]
      .getService(SpecialPowers.Ci.nsIMemoryReporterManager);

  let amount;
  const handleReport = (aProcess, aPath, aKind, aUnits, aAmount) => {
    if (aPath == "explicit/media/resources") {
      amount = (amount || 0) + aAmount;
    }
  };

  await new Promise(r => mgr.getReports(handleReport, null, r, null, /* anonymized = */ false));
  ok(true, "Yay didn't crash!");
  ok(amount !== undefined, "Got media resources amount");
  ok(amount > 0, "Non-zero amount reported for media resources");
  SimpleTest.finish();
});

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