| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Service WorkerRegistration from a removed iframe</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <body> |
| </body> |
| <script> |
| // NOTE: This file tests corner case behavior that might not be defined in the |
| // spec. See https://github.com/w3c/ServiceWorker/issues/1221 |
| |
| promise_test(t => { |
| const url = 'resources/blank.html'; |
| const scope_for_iframe = 'removed-registration' |
| const scope_for_main = 'resources/' + scope_for_iframe; |
| const script = 'resources/empty-worker.js'; |
| let frame; |
| |
| return service_worker_unregister(t, scope_for_main) |
| .then(() => { |
| return with_iframe(url); |
| }) |
| .then(f => { |
| frame = f; |
| return navigator.serviceWorker.register(script, |
| {scope: scope_for_main}); |
| }) |
| .then(r => { |
| add_completion_callback(() => { r.unregister(); }); |
| return wait_for_state(t, r.installing, 'activated'); |
| }) |
| .then(() => { |
| return frame.contentWindow.navigator.serviceWorker.getRegistration( |
| scope_for_iframe); |
| }) |
| .then(r => { |
| frame.remove(); |
| assert_equals(r.installing, null); |
| assert_equals(r.waiting, null); |
| assert_equals(r.active.state, 'activated'); |
| assert_equals(r.scope, normalizeURL(scope_for_main)); |
| r.onupdatefound = () => { /* empty */ }; |
| return Promise.all([ |
| promise_rejects(t, 'InvalidStateError', r.unregister()), |
| promise_rejects(t, 'InvalidStateError', r.update())]); |
| }) |
| }, 'accessing a ServiceWorkerRegistration from a removed iframe'); |
| |
| promise_test(t => { |
| const script = 'resources/empty-worker.js'; |
| const scope = 'resources/scope/serviceworker-from-detached'; |
| |
| return service_worker_unregister_and_register(t, script, scope) |
| .then(registration => { |
| add_completion_callback(() => { registration.unregister(); }); |
| return wait_for_state(t, registration.installing, 'activated'); |
| }) |
| .then(() => { return with_iframe(scope); }) |
| .then(frame => { |
| const worker = frame.contentWindow.navigator.serviceWorker.controller; |
| frame.remove(); |
| assert_equals(worker.scriptURL, normalizeURL(script)); |
| assert_equals(worker.state, 'activated'); |
| worker.onstatechange = () => { /* empty */ }; |
| assert_throws( |
| { name: 'InvalidStateError' }, |
| () => { worker.postMessage(''); }, |
| 'postMessage on a detached client should throw an exception.'); |
| }); |
| }, 'accessing a ServiceWorker object from a removed iframe'); |
| |
| promise_test(t => { |
| const iframe = document.createElement('iframe'); |
| iframe.src = 'resources/blank.html'; |
| document.body.appendChild(iframe); |
| const f = iframe.contentWindow.Function; |
| function get_navigator() { |
| return f('return navigator')(); |
| } |
| return new Promise(resolve => { |
| assert_equals(iframe.contentWindow.navigator, get_navigator()); |
| iframe.src = 'resources/blank.html?navigate-to-new-url'; |
| iframe.onload = resolve; |
| }).then(function() { |
| assert_not_equals(get_navigator().serviceWorker, null); |
| assert_equals( |
| get_navigator().serviceWorker, |
| iframe.contentWindow.navigator.serviceWorker); |
| }); |
| }, 'accessing navigator.serviceWorker on a detached iframe'); |
| |
| test(t => { |
| const iframe = document.createElement('iframe'); |
| iframe.src = 'resources/blank.html'; |
| document.body.appendChild(iframe); |
| const f = iframe.contentWindow.Function; |
| function get_navigator() { |
| return f('return navigator')(); |
| } |
| assert_not_equals(get_navigator().serviceWorker, null); |
| iframe.remove(); |
| assert_throws({name: 'TypeError'}, () => get_navigator()); |
| }, 'accessing navigator on a removed frame'); |
| |
| // It seems weird that about:blank and blank.html (the test above) have |
| // different behavior. These expectations are based on Chromium behavior, which |
| // might not be right. |
| test(t => { |
| const iframe = document.createElement('iframe'); |
| iframe.src = 'about:blank'; |
| document.body.appendChild(iframe); |
| const f = iframe.contentWindow.Function; |
| function get_navigator() { |
| return f('return navigator')(); |
| } |
| assert_not_equals(get_navigator().serviceWorker, null); |
| iframe.remove(); |
| assert_equals(get_navigator().serviceWorker, null); |
| }, 'accessing navigator.serviceWorker on a removed about:blank frame'); |
| |
| </script> |
