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<!DOCTYPE html>
<html>
<head>
<title> Transferred objects are no longer usable on the sending side </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id=log></div>
<div style="display:none">
<iframe width="70%" onload="PostMessageTest()" src="{{location[scheme]}}://{{domains[www1]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe>
</div>
<script>
var description = "Test Description: " +
"Objects listed in transfer are transferred, not just cloned, meaning that they are " +
"no longer usable on the sending side.";
var t = async_test(description);
var DATA = {test: "e.ports[0].postMessage('TRANSFERRED')"};
var TARGET = document.querySelector("iframe");
var ExpectedResult = ["PING", "TRANSFERRED"];
var ActualResult = [];
function PostMessageTest()
{
test(function()
{
assert_own_property(window, "MessageChannel", "window");
var channel = new MessageChannel();
channel.port2.onmessage = t.step_func(VerifyResult);
channel.port1.postMessage("PING");
TARGET.contentWindow.postMessage(DATA, "*", [channel.port1]);
channel.port1.postMessage("PONG");
}, "MessageChannel is supported.");
}
function VerifyResult(e)
{
ActualResult.push(e.data)
if (ActualResult.length >= ExpectedResult.length)
{
assert_array_equals(ActualResult, ExpectedResult, "ActualResult");
t.done();
}
}
</script>
</body>
</html>
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