| <body> |
| <p>Test SharedWorker event listener. Should print a series of PASS messages, followed with DONE.</p> |
| <div id=result></div> |
| <script> |
| function log(message) |
| { |
| document.getElementById("result").innerHTML += message + "<br>"; |
| } |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| var worker = new SharedWorker("resources/worker-common.js", "foobar"); |
| var numListenerCalls = 0; |
| function countListenerCallbacks(event) |
| { |
| if (event.type != "foo") |
| log("FAIL: Received unexpected event: " + event.type); |
| numListenerCalls++; |
| } |
| worker.addEventListener("foo", countListenerCallbacks, false); |
| var event = document.createEvent("Events"); |
| event.initEvent("foo", false, false); |
| worker.dispatchEvent(event); |
| if (numListenerCalls == 1) { |
| log("SUCCESS: Listener was called."); |
| } else { |
| log("FAIL: Listener was not called."); |
| } |
| |
| worker.removeEventListener("foo", countListenerCallbacks, false); |
| worker.dispatchEvent(event); |
| if (numListenerCalls == 1) { |
| log("SUCCESS: Listener was not called after removal."); |
| } else { |
| log("FAIL: Listener was called after removal."); |
| } |
| |
| // Test to make sure that event listeners survive GC. |
| worker.addEventListener("foo", createNewListener(countListenerCallbacks), false); |
| gc(); |
| worker.dispatchEvent(event); |
| if (numListenerCalls == 2) { |
| log("SUCCESS: Listener was called after GC."); |
| } else { |
| log("FAIL: Listener was not called after GC."); |
| } |
| |
| |
| log("DONE"); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| |
| function createNewListener(func) |
| { |
| return function(event) { func(event); }; |
| } |
| |
| 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"); |
| } |
| } |
| |
| |
| </script> |
| </body> |
