| <!DOCTYPE html> |
| <!-- This is not a WPT test because it tests non-specified Chrome-specific behavior. It tests that self-updating service workers eventually fail to update. --> |
| <title>Service Worker: update no controllee</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.js"></script> |
| <body> |
| <script> |
| promise_test(async (t) => { |
| // Set up ServiceWorker and wait until it's |activated|. |
| const url = 'resources/update-no-controllee-worker.js'; |
| const scope = 'resources/blank.html'; |
| const registration = await service_worker_unregister_and_register(t, url, scope); |
| await wait_for_state(t, registration.installing, 'activated'); |
| |
| const frame = await with_iframe(scope); |
| |
| const w = frame.contentWindow; |
| const sw = w.navigator.serviceWorker; |
| assert_true(sw.controller instanceof w.ServiceWorker, |
| 'controller should be a ServiceWorker object'); |
| |
| const channel = new MessageChannel(); |
| sw.controller.postMessage(channel.port1, [channel.port1]); |
| |
| // Remove frame so our worker has no controller. |
| frame.remove(); |
| assert_equals( |
| sw.controller, null, 'disconnected frame should not be controlled'); |
| |
| // Send a message to the worker to start updating and wait for its response. |
| // We expect at least one of the updates, and therefore the complete proccess, |
| // to fail immediately because the delay is too long. |
| const result = wait_for_port_message(channel.port2, (e) => { |
| assert_equals(e.data, 'failure', 'update should not have succeeded'); |
| }); |
| channel.port2.postMessage(''); |
| await result; |
| |
| // Cleanup. |
| await registration.unregister(); |
| }, 'Verify multiple updates from service workers without controllees ' + |
| 'do not resolve immediately'); |
| </script> |
| </body> |
