| <!DOCTYPE html> |
| <title>Service Worker: postMessage to Client</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| var frame; |
| var t = async_test('postMessage MessagePorts from ServiceWorker to Client'); |
| t.step(function() { |
| var scope = 'resources/blank.html' |
| service_worker_unregister_and_register( |
| t, 'resources/postmessage-msgport-to-client-worker.js', scope) |
| .then(function(registration) { |
| return wait_for_state(t, registration.installing, 'activated'); |
| }) |
| .then(function() { return with_iframe(scope); }) |
| .then(function(f) { |
| frame = f; |
| var w = frame.contentWindow; |
| w.navigator.serviceWorker.onmessage = t.step_func(onMessage); |
| w.navigator.serviceWorker.controller.postMessage('ping'); |
| }) |
| .catch(unreached_rejection(t)); |
| |
| var result = []; |
| var expected = [ |
| 'Acking value: 1', |
| 'Acking value: 2', |
| ]; |
| |
| function onMessage(e) { |
| var message = e.data; |
| if ('port' in message) { |
| var port = message.port; |
| port.postMessage({value: 1}); |
| port.postMessage({value: 2}); |
| port.postMessage({done: true}); |
| } else if ('ack' in message) { |
| result.push(message.ack); |
| } else if ('done' in message) { |
| assert_array_equals( |
| result, expected, |
| 'Worker should post back expected values via MessagePort.'); |
| frame.remove(); |
| service_worker_unregister_and_done(t, scope); |
| } else { |
| assert_unreached('Got unexpected message from ServiceWorker'); |
| } |
| } |
| }); |
| </script> |
