Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

<title>Media test: seeking off the end of a file</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>
<pre id="test">
<script class="testbody" type="text/javascript">
var manager = new MediaTestManager;
// Test if the ended event works correctly.
async function initTest(test, token) {
var type = getMajorMimeType(test.type);
var v = document.createElement(type);
v.preload = "auto";
v.token = token;
v.src =;
v._name =;
await once(v, "loadedmetadata");
info(`${v._name}: seeking to the end of the media.`);
v.currentTime = 3.0 * v.duration;
// Wait for 'seeked' and 'ended' to be fired.
await Promise.all([once(v, "seeked"), once(v, "ended")]);
// Check currentTime is near the end of the media.
ok(Math.abs(v.duration - v.currentTime) < 0.1,
"Should be at end of media for " + v._name + " t=" + v.currentTime + " d=" + v.duration);
// Call play() to start playback from the beginning.;
await once(v, "ended");
ok(v.ended, "Checking ended set after seeking to EOF and playing for " + v._name);
manager.runTests(gSmallTests, initTest);