| <!DOCTYPE html> |
| <title>Access to the Dedicated Worker API is deferred</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="../resources/utils.js"></script> |
| <script src="resources/utils.js"></script> |
| |
| <body> |
| <script> |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const uid = token(); |
| const bc = new PrerenderChannel('test-channel', uid); |
| t.add_cleanup(_ => bc.close()); |
| |
| const gotMessage = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, { |
| once: true |
| }); |
| }); |
| const url = `resources/dedicated-worker.https.html?uid=${uid}`; |
| window.open(url, '_blank', 'noopener'); |
| |
| const result = await gotMessage; |
| const expected = [ |
| { |
| event: 'started waiting worker construction', |
| prerendering: true |
| }, |
| { |
| event: 'prerendering change', |
| prerendering: false |
| }, |
| { |
| event: 'finished waiting worker construction', |
| prerendering: false |
| }, |
| ]; |
| assert_equals(result.length, expected.length); |
| for (let i = 0; i < result.length; i++) { |
| assert_equals(result[i].event, expected[i].event, `event[${i}]`); |
| assert_equals(result[i].prerendering, expected[i].prerendering, |
| `prerendering[${i}]`); |
| } |
| |
| // Send a close signal to PrerenderEventCollector on the prerendered page. |
| new PrerenderChannel('close', uid).postMessage(''); |
| }, `The access to the Dedicated Worker API should be deferred until the |
| prerendered page is activated`); |
| </script> |
