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<!DOCTYPE html>
<title>
HTMLMediaElement.played TimeRanges should be preserved across loops
</title>
<link
rel="help"
href="https://html.spec.whatwg.org/multipage/media.html#dom-media-played">
<link
rel="help"
href="https://html.spec.whatwg.org/multipage/media.html#dom-media-loop">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<video></video>
<script>
promise_test(async function testPlayedPreservedAcrossLoop(t) {
const video = document.querySelector("video");
video.src = getVideoURI("/media/test-1s");
await new Promise(r => video.onloadedmetadata = r);
assert_true(video.paused, "video initially paused");
video.loop = true;
video.play();
// Now wait for seeked event when video loops back to start
await new Promise(r => video.onseeked = r);
const played = video.played;
let coveredDuration = 0;
for (let i = 0; i < played.length; i++) {
coveredDuration += played.end(i) - played.start(i);
}
assert_greater_than(played.length, 0,
"played should have at least one range after looping");
assert_equals(coveredDuration, video.duration,
"played ranges should cover the entire video duration after looping");
video.pause();
}, "played TimeRanges should be preserved and not reset when video loops");
</script>
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