| <script src="../../../resources/gc.js"></script> |
| <body> |
| <p>Test that workers stay reachable via message ports. |
| 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(); |
| } |
| |
| // Test that workers stay alive even though they are only reachable via message ports. |
| var worker = new Worker("../resources/worker-messageport.js"); |
| var channel = new MessageChannel(); |
| worker.postMessage("port", [channel.port1]); |
| worker = 0; |
| |
| channel.port2.postMessage("ping"); |
| channel.port2.onmessage = function(evt) { |
| // Other side is running, now force a GC, wait a bit, and send a new message to make sure it arrives. |
| gc(); |
| setTimeout(testReachable, 100); |
| } |
| |
| function testReachable() |
| { |
| channel.port2.onmessage = function(evt) { |
| log("PASS: Worker is reachable."); |
| done(); |
| } |
| channel.port2.postMessage("ping"); |
| } |
| |
| function done() |
| { |
| log("DONE"); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| </script> |
| </body> |
| </html> |
| |
