| <!DOCTYPE html> |
| <title>Service Worker: postMessage</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| async_test(function(t) { |
| var scope = 'resources/blank.html'; |
| var registration; |
| var worker; |
| service_worker_unregister_and_register( |
| t, 'resources/postmessage-worker.js', scope) |
| .then(function(r) { |
| registration = r; |
| worker = registration.installing; |
| var messageChannel = new MessageChannel(); |
| messageChannel.port1.onmessage = t.step_func(onMessage); |
| worker.postMessage({port: messageChannel.port2}, |
| [messageChannel.port2]); |
| worker.postMessage({value: 1}); |
| worker.postMessage({value: 2}); |
| worker.postMessage({done: true}); |
| }) |
| .catch(unreached_rejection(t)); |
| |
| var result = []; |
| var expected = [ |
| 'Acking value: 1', |
| 'Acking value: 2', |
| ]; |
| |
| function onMessage(e) { |
| var message = e.data; |
| if (message === 'quit') { |
| assert_array_equals(result, expected, |
| 'Worker should post back expected values.'); |
| postMessageToRedundantWorker(); |
| } else { |
| result.push(message); |
| } |
| }; |
| |
| function postMessageToRedundantWorker() { |
| registration.unregister(scope) |
| .then(function() { |
| return wait_for_state(t, worker, 'redundant'); |
| }) |
| .then(function() { |
| assert_equals(worker.state, 'redundant'); |
| assert_throws( |
| {name:'InvalidStateError'}, |
| function() { worker.postMessage(''); }, |
| 'Calling postMessage on a redundant ServiceWorker should ' + |
| 'throw InvalidStateError.'); |
| t.done(); |
| }) |
| .catch(unreached_rejection(t)); |
| } |
| }, 'postMessage to a ServiceWorker (and back via MessagePort)'); |
| </script> |