| <body> |
| <p>Test some cases of MessagePort garbage collection.</p> |
| <pre id=log></pre> |
| <script> |
| function gc() |
| { |
| if (window.GCController) |
| return GCController.collect(); |
| |
| for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect) |
| var s = new String("abc"); |
| } |
| } |
| |
| function log(message) |
| { |
| document.getElementById("log").innerHTML += message + "<br>"; |
| } |
| |
| if (window.layoutTestController) { |
| layoutTestController.dumpAsText(); |
| layoutTestController.waitUntilDone(); |
| } |
| |
| var channel = new MessageChannel; |
| channel.port1.foo = "bar"; |
| |
| gc(); |
| log("Should be 'bar': " + channel.port1.foo); |
| |
| channel.port1.onmessage = function() { log("onmessage"); } |
| channel.port1.addEventListener("message", function() { log("message listener"); }, false); |
| |
| gc(); |
| channel.port1.start(); |
| channel.port2.postMessage("msg"); |
| |
| gc(); |
| channel.port1.close(); |
| channel.port2.close(); |
| |
| gc(); |
| |
| setTimeout(function() { |
| log("DONE"); |
| if (window.layoutTestController) |
| layoutTestController.notifyDone() |
| }, 0); |
| |
| </script> |
| </body> |
