gecko-dev/dom/media/test/test_seek_duration.html

56 строки
1.5 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Media test: seek tests</title>
<script type="text/javascript" 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>
<script type="text/javascript" src="seek_support.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
/**
* This test is used to make sure video's duration won't be changed when it
* reachs to the end after seeking to position where the time is very close to
* video's end time.
*/
SimpleTest.waitForExplicitFinish();
(async function startTest()
{
const video = document.createElement('video');
video.src = "bunny.webm";
document.body.appendChild(video);
const loadedMetadata = once(video, "loadedmetadata");
const canplay = once(video, "canplay");
const end = once(video, "ended");
info(`- wait for video loading metadata -`);
await loadedMetadata;
const originalDuration = video.duration;
info(`- seek video to the position which is close to end time -`);
// video's duration is 2.1 and the last key frame is in 2.0, we want to seek
// to that keyframe.
video.currentTime = originalDuration - 0.1;
info(`- play video until it ends -`);
await canplay;
await video.play();
await end;
ok(video.duration === originalDuration, `Duration shouldn't change`);
removeNodeAndSource(video);
SimpleTest.finish();
})();
</script>
</pre>
</body>
</html>