mozilla-central: dom/media/test/test_info_leak.html@7ec5a911287f51bc177058928bb102163a3b656e

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=478957
-->
<head>
  <title>Test for Bug 478957</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>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=478957">Mozilla Bug 478957</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>

<div id="log" style="font-size: small;"></div>

<pre id="test">
<script type="application/javascript">

/** Test for Bug 478957 **/

// Tests whether we leak events and state change info when loading stuff from local files from a webserver.

var manager = new MediaTestManager;

var gEventTypes = [ 'loadstart', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'canplay', 'canplaythrough', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];

var gExpectedEvents = ['loadstart', 'error'];

function createTestArray() {
  var tests = [];
  var tmpVid = document.createElement("video");

  return makeInfoLeakTests().then(infoLeakTests => {
    for (var testNum=0; testNum < infoLeakTests.length; testNum++) {
      var test = infoLeakTests[testNum];
      if (!tmpVid.canPlayType(test.type)) {
        continue;
      }

      var t = {};
      t.name = test.src;
      t.type = test.type;

      tests.push(t);
    }
    return tests;
  })
}

function log(msg) {
  info(msg);
  var l = document.getElementById('log');
  l.innerHTML += msg + "<br>";
}

function finish(v) {
  log("finish: " + v.name);
  clearInterval(v.checkStateInterval);

  for (var i=0; i<gEventTypes.length; i++) {
    v.removeEventListener(gEventTypes[i], listener);
  }
  removeNodeAndSource(v);

  manager.finished(v.token);
  v = null;
}

function listener(evt) {
  var v = evt.target;
  log(filename(v.name) + ': got ' + evt.type);

  // On slow machines like B2G emulator, progress timer could time out before
  // receiving any HTTP notification. We will ignore the 'stalled' event to
  // pass the tests.
  if (evt.type == 'stalled') {
    return;
  }

  ok(v.eventNum < gExpectedEvents.length, filename(v.name)  + " Too many events received");
  var expected = (v.eventNum < gExpectedEvents.length) ? gExpectedEvents[v.eventNum] : "NoEvent";
  is(evt.type, expected, filename(v.name) + " Events received in wrong order");
  v.eventNum++;
  if (v.eventNum == gExpectedEvents.length) {
    // In one second, move onto the next test. This give a chance for any
    // other events to come in. Note: we don't expect any events to come
    // in, unless we've leaked some info, and 1 second should be enough time
    // for the leak to show up.
    setTimeout(function() {finish(v);}, 1000);
  }
}

function createMedia(type, src, token) {
  var tag = getMajorMimeType(type);
  var v = document.createElement(tag);
  for (var i=0; i<gEventTypes.length; i++) {
    v.addEventListener(gEventTypes[i], listener);
  }
  v.preload = "metadata";
  v.src = src;
  v.name = src;
  document.body.appendChild(v);
  v.eventNum = 0;
  v.token = token;
  setTimeout(
  function() {
    v.checkStateInterval = setInterval(function(){checkState(v);},1);
  }, 0);
}

// Define our own ok() and is() functions. The mochitest ones take ages constructing the log
// of all the passes, so only report failures.
function test_ok(b, msg) {
  if (!b) {
    log("FAILED test_ok: " + msg);
    ok(b, msg);
  }
}

function test_is(a, b, msg) {
  if (a != b) {
    log("FAILED test_is: " + msg);
    is(a,b,msg);
  }
}

function filename(uri) {
  return uri.substr(uri.lastIndexOf("/")+1);
}

function checkState(v) {
  test_ok(v.networkState <= HTMLMediaElement.NETWORK_LOADING ||
          v.networkState == HTMLMediaElement.NETWORK_NO_SOURCE,
          "NetworkState of " + v.networkState + " was leaked.");
  test_ok(v.readyState == HTMLMediaElement.HAVE_NOTHING,
          "Ready state of " + v.readyState + " was leaked");
  test_is(v.seeking, false, "Seeking leaked");
  test_is(v.currentTime, 0, "Leaked currentTime");
  test_ok(isNaN(v.duration), "Leaked duration");
  test_is(v.paused, true, "Paused leaked");
  test_is(v.ended, false, "Ended leaked");
  test_is(v.autoplay, false, "Autoplay leaked");
  test_is(v.controls, false, "Controls leaked");
  test_is(v.muted, false, "muted leaked");
  test_ok(v.error==null || v.error.code==MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,
          "Error code should not exist or be SRC_NOT_SUPPORTED. v.error=" +
          (v.error ? v.error.code : "null"));
  test_ok(filename(v.currentSrc) == filename(v.name) ||
          v.networkState == HTMLMediaElement.NETWORK_NO_SOURCE,
          "currentSrc should match candidate uri, if we've got a valid source");
}


function startTest(test, token) {
  manager.started(token);
  log("Testing: " + test.type + " @ " + test.name);
  createMedia(test.type, test.name, token);
}

SimpleTest.waitForExplicitFinish();
createTestArray().then(testArray => {
  manager.runTests(testArray, startTest);
});

</script>
</pre>

</body>
</html>
author	Serban Stanca <sstanca@mozilla.com>
	Thu, 17 Jul 2025 20:21:32 +0300 (10 hours ago)
changeset 797003	7ec5a911287f51bc177058928bb102163a3b656e
parent 682764	3514ce60f9f1585594e29e937e85df2dc22e7eba
permissions	-rw-r--r--