| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/speculation-rules/prerender/resources/utils.js"></script> |
| <script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script> |
| <audio controls id="beat" src="./bear-av1-opus.mp4" loop></audio> |
| <script> |
| |
| // The main test page (restriction-audio-setSinkId.https.html) loads the |
| // initiator page, then the initiator page will prerender itself with the |
| // `prerendering` parameter. |
| const params = new URLSearchParams(location.search); |
| const isPrerendering = params.has('prerendering'); |
| |
| if (!isPrerendering) { |
| const rule_extras = {'target_hint': getTargetHint()}; |
| loadInitiatorPage(rule_extras); |
| } else { |
| const prerenderEventCollector = new PrerenderEventCollector(); |
| |
| const promise = beat.setSinkId( |
| params.get('sinkId') === 'invalid' ? 'fakeId' : ''); |
| // The spec, https://wicg.github.io/nav-speculation/prerendering.html#audio-output-patch, |
| // mentions selectAudioOutput() but this test uses setSinkId() function. |
| prerenderEventCollector.start(promise, 'Audio.setSinkId'); |
| } |
| </script> |
