<body>
<p>Test that destroying a document doesn't cause a crash when executing MessageChannel constructor saved from its Window object.</p>
<pre id=log></pre>
<script src="../../resources/gc.js"></script>
<script>
function log(message)
{
document.getElementById("log").innerHTML += message + "<br>";
}
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
var constructor;
function test()
{
constructor = window.frames[0].MessageChannel;
var frameElement = document.getElementsByTagName("iframe")[0];
frameElement.parentNode.removeChild(frameElement);
frameElement = null;
gc();
setTimeout(test2, 10);
}
function test2()
{
gc();
try {
new constructor;
} catch (ex) {
}
log("Didn't crash: SUCCESS");
if (window.testRunner)
testRunner.notifyDone();
}
</script>
<iframe src="resources/message-port-iframe.html" onload="test()"></iframe>
</body>