| <!DOCTYPE html> |
| <title> |
| Access to the setSinkId of the Audio API with an invalid value is deferred |
| </title> |
| <meta name="variant" content="?target_hint=_self"> |
| <meta name="variant" content="?target_hint=_blank"> |
| <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/audio-setSinkId.https.html?sinkId=invalid&uid=${uid}&target_hint=${getTargetHint()}`; |
| window.open(url, '_blank', 'noopener'); |
| |
| const result = await gotMessage; |
| const expected = [ |
| { |
| event: 'started waiting Audio.setSinkId', |
| prerendering: true |
| }, |
| { |
| event: 'prerendering change', |
| prerendering: false |
| }, |
| { |
| event: 'Audio.setSinkId rejected: NotFoundError', |
| prerendering: false |
| }, |
| ]; |
| // The spec, https://wicg.github.io/nav-speculation/prerendering.html#audio-output-patch, |
| // mentions selectAudioOutput() but this test uses setSinkId() function. |
| 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 setSinkId of Audio API with the invalid sinkId should be |
| deferred until the prerendered page is activated`); |
| </script> |
