test_background_video_suspend_ends.html

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<!DOCTYPE html>

<meta charset="utf-8">

<title>Test Background Suspended Video Fires 'ended' Event</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";

  PARALLEL_TESTS = 1;

  var manager = new MediaTestManager;

  async function runTest(test, token) {

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

    manager.started(token);

    // This test checks that 'ended' event is received for videos with

    // suspended video decoding. This is important for looping video logic

    // handling in HTMLMediaElement.

    let ended = nextVideoEnded(video);

    let suspends = nextVideoSuspends(video);

    Log(token, "Start playing");

    video.play();

    Log(token, "Set hidden");

    video.setVisible(false);

    Log(token, "Waiting for video suspend");

    await suspends;

    Log(token, "Waiting for ended");

    await ended;

    ok(video.currentTime >= video.duration, 'current time approximates duration.');

    manager.finished(token);

  startTest({

    desc: "Test Background Suspended Video Fires 'ended' Event",

    prefs: [

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

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

      // User a short delay to ensure video decode suspend happens before end

      // of video.

      ["media.suspend-background-video.delay-ms", 1000]

],

    tests: gDecodeSuspendTests,

    runTest

});

</script>