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firefox/testing/web-platform/tests/speculation-rules/prerender/media-autoplay.https.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

47 lines
1.5 KiB
HTML

<!DOCTYPE html>
<title>Same-origin prerendering can trigger autoplay</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="/common/dispatcher/dispatcher.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
promise_test(async t => {
const {exec, activate} = await create_prerendered_page(t);
await exec(() => {
const video = document.createElement('video');
video.src = '/media/A4.mp4';
video.autoplay = true;
video.muted = true;
window.video = video;
document.body.appendChild(video);
});
await new Promise(resolve => t.step_timeout(resolve, 500));
const before_activation = await exec(() => ({
readyState: video.readyState,
paused: video.paused,
currentTime: video.currentTime
}));
await activate();
await new Promise(resolve => t.step_timeout(resolve, 500));
const after_activation = await exec(() => ({
readyState: video.readyState,
paused: video.paused,
currentTime: video.currentTime
}));
assert_equals(before_activation.paused, false);
assert_equals(before_activation.currentTime, 0);
assert_equals(after_activation.paused, false);
assert_greater_than(before_activation.currentTime, 0);
}, "media autoplay should defer playaback");
</script>