| <!DOCTYPE html> |
| <title>Service Worker: postMessage to Client</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| promise_test(async t => { |
| const script = 'resources/postmessage-to-client-worker.js'; |
| const scope = 'resources/blank.html'; |
| |
| const registration = |
| await service_worker_unregister_and_register(t, script, scope); |
| t.add_cleanup(() => registration.unregister()); |
| await wait_for_state(t, registration.installing, 'activated'); |
| const frame = await with_iframe(scope); |
| t.add_cleanup(() => frame.remove()); |
| const w = frame.contentWindow; |
| |
| w.navigator.serviceWorker.controller.postMessage('ping'); |
| let e = await new Promise(r => w.navigator.serviceWorker.onmessage = r); |
| |
| assert_equals(e.constructor, w.MessageEvent, |
| 'message events should use MessageEvent interface.'); |
| assert_equals(e.type, 'message', 'type should be "message".'); |
| assert_false(e.bubbles, 'message events should not bubble.'); |
| assert_false(e.cancelable, 'message events should not be cancelable.'); |
| assert_equals(e.origin, location.origin, |
| 'origin of message should be origin of Service Worker.'); |
| assert_equals(e.lastEventId, '', |
| 'lastEventId should be an empty string.'); |
| assert_equals(e.source.constructor, w.ServiceWorker, |
| 'source should use ServiceWorker interface.'); |
| assert_equals(e.source, w.navigator.serviceWorker.controller, |
| 'source should be the service worker that sent the message.'); |
| assert_equals(e.ports.length, 0, 'ports should be an empty array.'); |
| assert_equals(e.data, 'Sending message via clients'); |
| |
| e = await new Promise(r => w.navigator.serviceWorker.onmessage = r); |
| assert_equals(e.data, 'quit'); |
| }, 'postMessage from ServiceWorker to Client.'); |
| </script> |