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<!DOCTYPE HTML>
<html>
<head>
<title>Seamless looping test duration</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript" src="manifest.js"></script>
</head>
<script type="application/javascript">
/**
* This test aims to check that the media duration shouldn't be changed during
* seamless looping.
*/
add_task(async function testSeamlessLoopingDuration() {
info(`create video and play it`);
let video = document.createElement('video');
video.loop = true;
video.src = "gizmo-short.mp4";
document.body.appendChild(video);
await video.play();
video.ondurationchange =
_ => ok(false, "shouldn't change duration during looping!");
info(`test seamless looping multiples times`);
let MAX_LOOPING_COUNT = 10;
for (let count = 0; count < MAX_LOOPING_COUNT; count++) {
await once(video, "seeking");
await once(video, "seeked");
ok(true, `the round ${count} of the seamless looping succeeds`);
}
});
// This one tests the situation where both tracks reached EOS before entering
// looping state.
add_task(async function testSeamlessLoopingDuration2() {
info(`create video and play it to the end`);
let video = document.createElement('video');
video.src = "gizmo-short.mp4";
document.body.appendChild(video);
await video.play();
await once(video, "ended");
info(`play video again`);
video.ondurationchange =
_ => ok(false, "shouldn't change duration during looping!");
video.loop = true;
await video.play();
info(`test seamless looping multiples times`);
let MAX_LOOPING_COUNT = 10;
for (let count = 0; count < MAX_LOOPING_COUNT; count++) {
await once(video, "seeking");
await once(video, "seeked");
ok(true, `the round ${count} of the seamless looping succeeds`);
}
});
</script>
<body>
</body>
</html>
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