| <body> |
| <p>Test cross-frame MessagePort communication.</p> |
| <p>Should be a series of SUCCESS messages, followed with DONE.</p> |
| <pre id=log></pre> |
| <script> |
| function log(message) |
| { |
| document.getElementById("log").innerHTML += message + "<br>"; |
| } |
| |
| if (window.layoutTestController) { |
| layoutTestController.dumpAsText(); |
| layoutTestController.waitUntilDone(); |
| } |
| |
| var mainPort; |
| |
| function test() |
| { |
| var channel = new MessageChannel; |
| window.frames[0].postMessage("msg", channel.port2, "*"); |
| mainPort = channel.port1; |
| mainPort.postMessage("ping"); |
| mainPort.onmessage = function(evt) { |
| if (evt.data == "pong" && evt.origin == "") |
| log("Simple exchange: SUCCESS"); |
| else |
| log("Simple exchange: FAIL. Got message '" + evt.data + "' from '" + evt.origin + "'."); |
| test2(); |
| }; |
| } |
| |
| function test2() |
| { |
| var channel = new MessageChannel; |
| mainPort.postMessage("newPort", channel.port2); |
| channel.port1.onmessage = function(evt) { |
| if (evt.data == "yo" && evt.origin == "") |
| log("Posted port: SUCCESS"); |
| else |
| log("Posted port: FAIL. Got message '" + evt.data + "' from '" + evt.origin + "'."); |
| test3(); |
| }; |
| } |
| |
| function test3() |
| { |
| var channel = new MessageChannel; |
| channel.port1.postMessage("1"); |
| var started = false; |
| channel.port2.addEventListener("message", function(evt) { |
| if (started) { |
| log("Event Listener: SUCCESS"); |
| test4(); |
| } else |
| log("Event Listener: FAIL. Event listener called before start()"); |
| }); |
| setTimeout(function() { |
| channel.port2.start(); |
| started = true; |
| }, 100); |
| |
| } |
| |
| function test4() |
| { |
| var channel = new MessageChannel; |
| channel.port1.postMessage("1"); |
| channel.port1.close(); |
| channel.port1.postMessage("2"); |
| channel.port2.onmessage = function(evt) { |
| if (evt.data == "1") { |
| log("Closed port: SUCCESS"); |
| test5(); |
| } else |
| log("Closed port: FAIL. Got message: " + evt.data + " after close"); |
| } |
| } |
| |
| function test5() |
| { |
| // Create a channel and put some messages in it which will go undelivered and should not leak |
| var channel = new MessageChannel; |
| channel.port1.postMessage("abcde"); |
| // Now wait a short period of time to ensure no messages come in from previous tests. |
| setTimeout(function() { |
| log("DONE"); |
| if (window.layoutTestController) |
| layoutTestController.notifyDone(); |
| }, 100); |
| } |
| |
| </script> |
| <iframe src="resources/message-port-iframe.html" onload="test()"></iframe> |
| </body> |
