| <!DOCTYPE html> |
| <title>Service Worker: Clients.matchAll with a prerender page</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script> |
| <script src="../resources/utils.js"></script> |
| <script src="resources/utils.js"></script> |
| |
| <body> |
| <script> |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const uid = token(); |
| const workerUrl = 'resources/clients-matchall-service-worker.js'; |
| const pageUrl = `resources/prerendered-page.html?uid=${uid}`; |
| |
| // Start a service worker. |
| const registration = |
| await service_worker_unregister_and_register(t, workerUrl, workerUrl); |
| t.add_cleanup(_ => registration.unregister()); |
| |
| // Observe the message from a prerendered page. |
| const bc = new PrerenderChannel('prerender-channel', uid); |
| t.add_cleanup(_ => bc.close()); |
| const messagePromise = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, {once:true}); |
| }); |
| |
| startPrerendering(pageUrl); |
| |
| const result = await messagePromise; |
| assert_equals(result, 'prerender success'); |
| |
| // The service worker returns the list of client urls exposed by |
| // Clients#matchAll(). |
| const message = await new Promise(resolve => { |
| navigator.serviceWorker.onmessage = resolve; |
| get_newest_worker(registration).postMessage('invoke clients.matchAll()'); |
| }); |
| const clients = message.data; |
| |
| // Don't use `assert_array_equals` as the clients may contain unrelated pages. |
| assert_true(clients.includes(window.location.href)); |
| assert_true(clients.includes(new URL(pageUrl, location).toString())); |
| }, 'The client urls (including a prerender page) are exposed by ' + |
| 'Clients#matchAll()'); |
| |
| </script> |
