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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1178076</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div id="content"></div>
<pre id="test">
</pre>
<script type="application/javascript">
function runTest() {
onmessage = function(e) {
is(e.ports.length, 1, "A port has been received!");
var port = e.ports[0];
ok(port instanceof MessagePort, "This is a port.");
SimpleTest.finish();
}
// In this test we want to see if we leak a neutered port closing port1
// and sending port2 to the same window. This operation doesn't involve IPC.
var mc = new MessageChannel();
mc.port1.close();
postMessage(42, '*', [mc.port2]);
}
SimpleTest.waitForExplicitFinish();
runTest();
</script>
</body>
</html>