72 lines
1.5 KiB
HTML
72 lines
1.5 KiB
HTML
<body>
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<p>Test that destroying a document doesn't cause a crash when posting a message to a MessagePort it owned.</p>
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<pre id=log></pre>
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<script>
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function gc()
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{
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if (window.GCController)
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return GCController.collect();
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for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
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var s = new String("abc");
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}
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}
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function log(message)
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{
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document.getElementById("log").innerHTML += message + "<br>";
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}
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if (window.testRunner) {
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testRunner.dumpAsText();
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testRunner.waitUntilDone();
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}
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var mainPort;
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function test()
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{
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var channel = new MessageChannel;
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window.frames[0].postMessage("msg", "*", [channel.port2]);
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mainPort = channel.port1;
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mainPort.start();
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mainPort.postMessage("ping");
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mainPort.onmessage = test2;
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}
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function test2()
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{
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var frameElement = document.getElementsByTagName("iframe")[0];
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frameElement.parentNode.removeChild(frameElement);
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frameElement = null;
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gc();
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setTimeout(test3, 10);
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}
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function test3()
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{
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gc();
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mainPort.postMessage("ping");
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mainPort.onmessage = function(evt) {
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if (evt.data == "pong")
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log("Unexpected response: FAIL");
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};
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setTimeout(test4, 10);
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}
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function test4()
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{
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mainPort.close();
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log("Didn't crash: SUCCESS");
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if (window.testRunner)
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testRunner.notifyDone();
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}
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</script>
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<iframe src="resources/message-port-iframe.html" onload="test()"></iframe>
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</body>
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