71 lines
2.3 KiB
HTML
71 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<!--
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The test aligns with the spec on which behavior is deferred. The test asserts
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that media resources are not loaded during prerendering, but it's possible the
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spec will allow loading and only disallow playback.
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-->
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<title>Access to the Autoplay of the Media is deferred</title>
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<meta name="variant" content="?target_hint=_self">
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<meta name="variant" content="?target_hint=_blank">
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<meta name="timeout" content="long">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/utils.js"></script>
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<script src="../resources/utils.js"></script>
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<script src="resources/utils.js"></script>
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<body>
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<script>
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setup(() => assertSpeculationRulesIsSupported());
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function RunTest(type, description) {
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promise_test(async t => {
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const uid = token();
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const bc = new PrerenderChannel('test-channel', uid);
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t.add_cleanup(_ => bc.close());
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const gotMessage = new Promise(resolve => {
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bc.addEventListener('message', e => {
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resolve(e.data);
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}, {
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once: true
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});
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});
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const url = `resources/media-autoplay-attribute.html?type=${type}&uid=${uid}&target_hint=${getTargetHint()}`;
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window.open(url, '_blank', 'noopener');
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const result = await gotMessage;
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const expected = [
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{
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event: 'started waiting Autoplay',
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prerendering: true
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},
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{
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event: 'prerendering change',
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prerendering: false
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},
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{
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event: 'fired loadedmetadata event after prerendering is activated',
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prerendering: false
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},
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{
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event: 'finished waiting Autoplay',
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prerendering: false
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},
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];
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assert_equals(result.length, expected.length, `${type}`);
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for (let i = 0; i < result.length; i++) {
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assert_equals(result[i].event, expected[i].event, `event${i}`);
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assert_equals(result[i].prerendering, expected[i].prerendering,
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`prerendering${i}`);
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}
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// Send a close signal to PrerenderEventCollector on the prerendered page.
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new PrerenderChannel('close', uid).postMessage('');
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}, description);
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}
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RunTest('audio', `autoplay of the audio media should be deferred until the prerendered page is activated`);
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RunTest('video', `autoplay of the video media should be deferred until the prerendered page is activated`);
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</script>
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