gecko/content/media/test/test_bug654550.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=654550
-->
<head>
<title>Test for Bug 654550</title>
<script type="text/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=654550">Mozilla Bug 654550</a>
<pre id="test">
<script class="testbody" type="text/javascript">
/* Test for Bug 654550 */
var manager = new MediaTestManager;
function checkStats(v, aShouldBeEnabled) {
if (aShouldBeEnabled) {
ok(v.mozParsedFrames != 0,
"At least one value should be different from 0 if stats are enabled");
} else {
ok(!v.mozParsedFrames,
"mozParsedFrames should be 0 if stats are disabled");
ok(!v.mozDecodedFrames,
"mozDecodedFrames should be 0 if stats are disabled");
ok(!v.mozPresentedFrames,
"mozPresentedFrames should be 0 if stats are disabled");
ok(!v.mozPaintedFrames,
"mozPaintedFrames should be 0 if stats are disabled");
}
}
function ontimeupdate(event) {
var v = event.target;
if (SpecialPowers.getBoolPref("media.video_stats.enabled")) {
checkStats(v, true);
SpecialPowers.setBoolPref("media.video_stats.enabled", false);
} else {
checkStats(v, false);
SpecialPowers.setBoolPref("media.video_stats.enabled", true);
v.removeEventListener("timeupdate", ontimeupdate);
SpecialPowers.clearUserPref("media.video_stats.enabled");
manager.finished(v.token);
}
}
function startTest(test, token) {
var v = document.createElement('video');
v.token = token;
v.src = test.name;
manager.started(token);
v.play();
SpecialPowers.setBoolPref("media.video_stats.enabled", true);
v.addEventListener("timeupdate", ontimeupdate);
SimpleTest.waitForExplicitFinish();
}
manager.runTests(gVideoTests, startTest);
</script>
</pre>
</body>
</html>