Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<title>Media test: seek tests</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>
<script type="text/javascript" src="seek_support.js"></script>
<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.
async function test(name, videoProperties)
const video = document.createElement('video');
video.src = "bunny.webm";
Object.assign(video, videoProperties);
const loadedMetadata = once(video, "loadedmetadata");
const canplay = once(video, "canplay");
const end = once(video, "ended");
info(`- wait for ${name} video loading metadata -`);
await loadedMetadata;
const originalDuration = video.duration;
info(`- seek ${name} 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 ${name} video until it ends -`);
await canplay;
await end;
is(video.duration, originalDuration, `${name} duration shouldn't change`);
(async function startTest() {
await Promise.all([
test("unmuted", {}),
test("muted", {muted: true}),