gecko/dom/messagechannel/tests/test_messageChannel_pref.html

43 lines
1.1 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=677638
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 677638 - pref</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=677638">Mozilla Bug 677638</a>
<div id="content"></div>
<pre id="test">
</pre>
<script type="application/javascript">
function runTest(what) {
var status;
try {
status = MessageChannel;
ok(what, "Should MessageChannel exist?");
} catch(e) {
ok(!what, "Should MessageChannel exist?");
}
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [["dom.messageChannel.enabled", false]]},
function() {
runTest(false);
SpecialPowers.pushPrefEnv({"set": [["dom.messageChannel.enabled", true]]},
function() {
runTest(true);
SimpleTest.finish();
});
});
</script>
</body>
</html>