gecko-dev/dom/broadcastchannel/tests/test_broadcastchannel_close...

62 строки
1.4 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test for BroadcastChannel</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div id="content"></div>
<script type="application/javascript">
function runTest() {
var receiver = new BroadcastChannel('foo');
var sequence = [ '2', 'done' ];
receiver.onmessage = function(e) {
if (!sequence.length) {
ok (false, 'No more data is expected');
return;
}
var data = sequence.shift();
is(e.data, data);
if (!sequence.length) {
SimpleTest.executeSoon(function() {
SimpleTest.finish();
});
}
}
var x = new BroadcastChannel('foo');
x.close();
try {
x.postMessage('1');
ok(false, "PostMessage should throw if called after a close().");
} catch(e) {
ok(true, "PostMessage should throw if called after a close().");
}
var y = new BroadcastChannel('foo');
y.postMessage('2');
y.close();
try {
y.postMessage('3');
ok(false, "PostMessage should throw if called after a close().");
} catch(e) {
ok(true, "PostMessage should throw if called after a close().");
}
var z = new BroadcastChannel('foo');
z.postMessage('done');
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [["dom.broadcastChannel.enabled", true]]}, runTest);
</script>
</body>
</html>