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<html>
<html>
<head>
  <title>MediaRecorder infinite recursion with requestData() calls in "dataavailable" event</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <script type="text/javascript" src="manifest.js"></script>
  <script type="text/javascript" src="manifest.js"></script>
  <script type="text/javascript" src="gUM_support.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=897776">Mozill
a Bug 897776</a>
a Bug 897776</a>
<pre id="test">
<script class="testbody" type="text/javascript">
async function startTest() {
  try {
    await setupGetUserMediaTestPrefs();
    await setupGetUserMediaTestPrefs();
    let stream = await navigator.mediaDevices.getUserMedia({audio: true});
    let mediaRecorder = new MediaRecorder(stream);
    let count = 0;
    mediaRecorder.onerror = function () {
    mediaRecorder.onerror = function () {
      ok(false, 'Unexpected onerror callback fired');
      SimpleTest.finish();
    };
    mediaRecorder.onwarning = function () {
      ok(false, 'Unexpected onwarning callback fired');
      ok(false, 'Unexpected onwarning callback fired');
    };
    mediaRecorder.ondataavailable = function (e) {
      ++count;
      info("got ondataavailable data size = " + e.data.size);
      // no more requestData() to prevent busy main thread from starving
      // no more requestData() to prevent busy main thread from starving
      // the encoding thread
      if (count == 30) {
        info("track.stop");
        stream.getTracks()[0].stop();
      } else if (count < 30 && mediaRecorder.state == 'recording') {
      } else if (count < 30 && mediaRecorder.state == 'recording') {
        info("requestData again");
        mediaRecorder.requestData();
      }
    };
    mediaRecorder.onstop = function () {
    mediaRecorder.onstop = function () {
      ok(true, "requestData within ondataavailable successfully avoided infinite recursion");
      SimpleTest.finish();
    };
    mediaRecorder.start();
    info("mediaRecorder start");
    info("mediaRecorder start");
    mediaRecorder.requestData();
    info("mediaRecorder requestData");
  } catch (e) {
    ok(false, 'Unexpected error fired with: ' + e);
    SimpleTest.finish();
    SimpleTest.finish();
  }
}

SimpleTest.waitForExplicitFinish();
startTest();
startTest();

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