test_background_video_ended_event.html

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<!DOCTYPE html>

<meta charset="utf-8">

<title>Test Background Video Suspends</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;

startTest({

  desc: "Test background video doesn't fire the 'ended' event twice.",

  prefs: [

    [ "media.test.video-suspend", true ],

    [ "media.suspend-background-video.enabled", true ],

    [ "media.suspend-background-video.delay-ms", 100 ]

],

  tests: gDecodeSuspendTests,

  runTest: (test, token) => {

    let v = appendVideoToDoc(test.name, token);

    manager.started(token);

    let count = 0;

    v.addEventListener("ended", function() {

      is(++count, 1, `${token} should get only one 'ended' event.`);

});

/*

     * This test checks that, after a video element had finished its playback,

     * resuming video decoder doesn't dispatch 2nd ended event.

     * This issue was found in bug 1349097.

*/

    waitUntilPlaying(v)

      .then(() => testVideoSuspendsWhenHidden(v))

      .then(() => waitUntilEnded(v))

      .then(() => testVideoResumesWhenShown(v))

      .then(() => {

        // Wait for a while and finish the test. We should get only one 'ended' event.

        setTimeout(function() {

          removeNodeAndSource(v);

          manager.finished(token);

        }, 3000);

});

});

</script>