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-rw-r--r--testing/web-platform/tests/speculation-rules/prerender/restriction-media-auto-play-attribute.html69
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diff --git a/testing/web-platform/tests/speculation-rules/prerender/restriction-media-auto-play-attribute.html b/testing/web-platform/tests/speculation-rules/prerender/restriction-media-auto-play-attribute.html
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+++ b/testing/web-platform/tests/speculation-rules/prerender/restriction-media-auto-play-attribute.html
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+<!DOCTYPE html>
+<!--
+The test aligns with the spec on which behavior is deferred. The test asserts
+that media resources are not loaded during prerendering, but it's possible the
+spec will allow loading and only disallow playback.
+-->
+<title>Access to the Autoplay of the Media 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="/speculation-rules/prerender/resources/utils.js"></script>
+<body>
+<script>
+setup(() => assertSpeculationRulesIsSupported());
+
+function RunTest(type, description) {
+ 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/media-autoplay-attribute.html?type=${type}&uid=${uid}`;
+ window.open(url, '_blank', 'noopener');
+
+ const result = await gotMessage;
+ const expected = [
+ {
+ event: 'started waiting Autoplay',
+ prerendering: true
+ },
+ {
+ event: 'prerendering change',
+ prerendering: false
+ },
+ {
+ event: 'fired loadedmetadata event after prerendering is activated',
+ prerendering: false
+ },
+ {
+ event: 'finished waiting Autoplay',
+ prerendering: false
+ },
+ ];
+ assert_equals(result.length, expected.length, `${type}`);
+ for (let i = 0; i < result.length; i++) {
+ assert_equals(result[i].event, expected[i].event, `event${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('');
+ }, description);
+}
+
+RunTest('audio', `autoplay of the audio media should be deferred until the prerendered page is activated`);
+
+RunTest('video', `autoplay of the video media should be deferred until the prerendered page is activated`);
+
+</script>
+</body>