| <body> |
| <p>Test that pages and workers can send MessagePorts to one another. |
| Should print "DONE" when 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 Worker("resources/worker-messageport.js"); |
| var channel = new MessageChannel(); |
| |
| // Send messages with and without ports to the worker to make sure it gets them. |
| worker.postMessage("noport"); |
| worker.onmessage = function(evt) { |
| log(evt.data); |
| worker.postMessage("port", [channel.port1]); |
| worker.onmessage = function(evt) { |
| log(evt.data); |
| } |
| }; |
| |
| // Send a message on the new port to make sure it gets to the worker. |
| channel.port2.postMessage("ping"); |
| |
| // Wait for the response. |
| channel.port2.onmessage = function(evt) { |
| if (evt.data == "pong") { |
| log("PASS: Received response from Worker via MessagePort"); |
| worker.onmessage = awaitPortFromWorker; |
| worker.postMessage("getport"); |
| } else { |
| log("FAIL: Received unknown event: " + evt.data); |
| } |
| } |
| channel.port2.start(); |
| |
| // Invoked once the first batch of tests are done, to test sending from the worker. |
| function awaitPortFromWorker(evt) |
| { |
| if (evt.data == "port") { |
| if (!evt.ports) { |
| log("FAIL: Did not get port from worker"); |
| } else if (evt.ports.length != 1) { |
| log("FAIL: Got the wrong number of ports from worker: " + evt.ports.length); |
| } else { |
| log("PASS: Got port from worker"); |
| try { |
| // Missing parameter, should throw. |
| evt.ports[0].postMessage(); |
| log("FAIL: Calling MessagePort.postMessage() without parameter did not throw."); |
| } catch (e) { |
| log("PASS: Calling MessagePort.postMessage() without parameter threw exception: " + e); |
| } |
| evt.ports[0].postMessage("ping"); |
| evt.ports[0].onmessage = function(evt) { |
| if (evt.data == "pong") { |
| log("PASS: Received final response from worker"); |
| } else { |
| log("FAIL: Got unexpected response: " + evt.data); |
| } |
| startSpamTest(); |
| } |
| evt.ports[0].start(); |
| } |
| } else { |
| log(evt.data); |
| } |
| } |
| |
| function startSpamTest() |
| { |
| var channel = new MessageChannel(); |
| worker.onmessage = function () { gotSpam(channel.port1); } |
| worker.postMessage("spam", [channel.port2]); |
| } |
| |
| function gotSpam(port) |
| { |
| var spamCount = 0; |
| port.onmessage = function(evt) { |
| if (evt.data != spamCount) |
| log("FAIL: Got out of order message: " + spamCount); |
| spamCount++; |
| if (spamCount == 1000) { |
| log("PASS: Got 1000 messages"); |
| done(); |
| } |
| } |
| } |
| |
| function done() |
| { |
| log("DONE"); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| </script> |
| </body> |
| </html> |
