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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-bkgnd-video.enabled", true ],
    [ "media.suspend-bkgnd-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>