gecko/content/base/test/test_bug647518.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=647518
-->
<head>
<title>Test for Bug 647518</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=647518">Mozilla Bug 647518</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 647518 **/
SimpleTest.waitForExplicitFinish();
var counter = 3;
var called = false;
var handle1 = window.mozRequestAnimationFrame(function() {
called = true;
});
ok(handle1 > 0, "Should get back a nonzero handle");
function checker() {
--counter;
if (counter == 0) {
is(called, false, "Canceled callback should not have been called");
SimpleTest.finish();
} else {
window.mozRequestAnimationFrame(checker);
}
}
window.mozRequestAnimationFrame(checker);
window.mozCancelAnimationFrame(handle1);
</script>
</pre>
</body>
</html>