54 lines
1.0 KiB
HTML
54 lines
1.0 KiB
HTML
<body>
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<p>Test some cases of MessagePort garbage collection.</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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function done()
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{
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channel.port1.close();
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channel.port2.close();
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gc();
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log("DONE");
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if (window.testRunner)
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testRunner.notifyDone();
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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 channel = new MessageChannel;
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channel.port1.foo = "bar";
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gc();
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log("Should be 'bar': " + channel.port1.foo);
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channel.port1.onmessage = function() { log("onmessage"); }
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channel.port1.addEventListener("message", function() { log("message listener"); done(); }, false);
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gc();
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channel.port1.start();
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channel.port2.postMessage("msg");
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gc();
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</script>
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</body>
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