dom/media/mediasource/test/test_MediaSource_memory_reporting.html
author Jean-Yves Avenard <jyavenard@mozilla.com>
Fri, 28 Apr 2017 17:18:43 +0200
changeset 409397 bb63055aef6c9842e8fa7370071eb22c9d2ecbc3
parent 301209 65e8c6761f7a8e4084fa6d74e8aba6a3a6871c9b
child 472937 abc9351a9c159afb31d58fc29beda855ad4f832b
permissions -rw-r--r--
Bug 1362165: P5. Don't assume that when stalling all data has been loaded. r=gerald The stalled event can be fired as playback is starting and data has yet to be processed. So instead we wait for playback to reach the end. MozReview-Commit-ID: 4W3M5tee2HD

<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: memory reporting</title>
  <script type="text/javascript" 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(function (ms, v) {
  // Test that memory reporting works once we've played a video.
  once(v, "ended", () => {
    // Grab a memory report.
    var mgr = SpecialPowers.Cc["@mozilla.org/memory-reporter-manager;1"]
          .getService(SpecialPowers.Ci.nsIMemoryReporterManager);

    var amount = 0;
    var resourcesPathSeen = false;
    var handleReport = function(aProcess, aPath, aKind, aUnits, aAmount, aDesc) {
      if (aPath == "explicit/media/resources") {
        resourcePathSeen = true;
        amount += aAmount;
      }
    }

    var finished = function () {
      ok(true, "Yay didn't crash!");
      ok(resourcePathSeen, "Got media resources amount");
      ok(amount > 0, "Non-zero amount reported for media resources");
      SimpleTest.finish();
    }

    mgr.getReports(handleReport, null, finished, null, /* anonymized = */ false);
  });

  // Load a webm video and play it.
  ms.addEventListener("sourceopen", () => {
    var sb = ms.addSourceBuffer("video/webm");
    fetchAndLoad(sb, 'seek', [''], '.webm').then(function() {
      ms.endOfStream();
      v.play()
    });
  });
});

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