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