gecko-dev/dom/media/test/test_load_candidates.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=465458
-->
<head>
  <title>Test for Bug 465458</title>
  <script type="application/javascript" 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=465458">Mozilla Bug 465458</a>
<p id="display"></p>
<div id="content" style="display: none">

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

/** Test for Bug 465458 **/

var manager = new MediaTestManager;

function finish(evt) {
  var v = evt.target;
  is(v._error, 2, "Should have received 2 error events before loaded");
  v._finished = true;
  // remove error event handler, because this would otherwise
  // cause a failure on Windows 7, see bug 1024535
  v.onerror = null;
  v.parentNode.removeChild(v);
  manager.finished(v.token);
}

function errorHandler(evt) {
  evt.target.parentNode._error++;
}

var extension = {
  "audio/wav" : "wav",
  "audio/x-wav": "wav",
  "video/ogg" : "ogv",
  "audio/ogg" : "oga",
  "video/webm" : "webm"
};

function startTest(test, token) {
  var v = document.createElement('video');
  v.preload = "auto";
  v.onerror = function(){ok(false,"Error events on source children should not bubble");}
  v.token = token;
  manager.started(token);
  v._error = 0;
  v._finished = false;
  v._name = test.name;

  var s1 = document.createElement("source");
  s1.type = test.type;
  s1.src = "404." + extension[test.type];
  s1.addEventListener("error", errorHandler, false);
  v.appendChild(s1);

  var s2 = document.createElement("source");
  s2.type = test.type;
  s2.src = "test_load_candidates.html"; // definitely an invalid media file, regardless of its actual mime type...
  s2.addEventListener("error", errorHandler, false);
  v.appendChild(s2);

  var s3 = document.createElement("source");
  s3.type = test.type;
  s3.src = test.name;
  v.appendChild(s3);

  v.addEventListener("loadeddata", finish, false);
  document.body.appendChild(v);
}

manager.runTests(gSmallTests, startTest);

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