mozilla-central/dom/media/test/test_background_video_cancel_suspend_taint.html

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Test Info: Warnings

<!DOCTYPE html>
<meta charset="utf-8">
<title>Test Background Video Suspend Cancels (Element Taint)</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="manifest.js"></script>
<script src="background_video.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript">
"use strict";
var manager = new MediaTestManager;
/**
* @param {HTMLMediaElement} video Video element under test.
* @returns {Promise} Promise that is resolved when video decode resumes.
*/
function testSuspendTimerCanceledWhenTainted(video) {
function ended() {
video.removeEventListener("mozcancelvideosuspendtimer", canceled);
ok(false, `${video.token} ended before suspend cancels`);
this.ended_resolve();
}
function canceled() {
video.removeEventListener("ended", ended);
ok(true, `${video.token} suspend cancels`);
this.canceled_resolve();
}
let p = Promise.race([
new Promise((resolve) => {
video.ended_resolve = resolve;
video.addEventListener('ended', ended, { 'once': true });
}),
new Promise((resolve) => {
video.canceled_resolve = resolve;
video.addEventListener('mozcancelvideosuspendtimer', canceled, { 'once': true });
})
]);
Log(video.token, "Mark tainted");
let c = document.createElement('canvas');
let g = c.getContext('2d');
g.drawImage(video, 0, 0, c.width, c.height);
ok(video.hasSuspendTaint(), 'video used with drawImage is tainted.');
return p;
}
startTest({
desc: 'Test Background Video Suspend Cancels (Element Taint)',
prefs: [
[ "media.test.video-suspend", true ],
[ "media.suspend-background-video.enabled", true ],
[ "media.suspend-background-video.delay-ms", 10000 ]
],
tests: gDecodeSuspendTests,
runTest: (test, token) => {
let v = appendVideoToDoc(test.name, token);
manager.started(token);
waitUntilVisible(v)
.then(() => waitUntilPlaying(v))
.then(() => testSuspendTimerStartedWhenHidden(v))
.then(() => testSuspendTimerCanceledWhenTainted(v))
.then(() => { manager.finished(token); });
}
});
</script>