test_background_video_tainted_by_drawimage.html

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<!DOCTYPE html>

<meta charset="utf-8">

<title>Test Background Video Is Tainted By drawImage</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;

function drawVideoToCanvas(v) {

  let w = v.width,

      h = v.height,

      c = document.createElement('canvas');

  c.width = w;

  c.height = h;

  document.body.appendChild(c);

  let gfx = c.getContext('2d');

  if (!gfx) {

    throw Error("Unable to obtain context '2d' from canvas");

  gfx.drawImage(v, 0, 0, w, h);

startTest({

  desc: 'Test Background Video Is Tainted By drawImage',

  prefs: [

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

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

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

],

  tests: gDecodeSuspendTests,

  runTest: (test, token) => {

    ok(true, `${test.name}`);

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

    manager.started(token);

    waitUntilPlaying(v)

      .then(() => {

        drawVideoToCanvas(v);

        ok(v.hasSuspendTaint(), "Video is tainted after drawing to canvas");

        return checkVideoDoesntSuspend(v);

})

      .then(() => {

        ok(true, 'Video ended before decode was suspended');

        manager.finished(token);

})

      .catch((e) => {

        ok(false, 'Test failed: ' + e.toString());

        manager.finished(token);

});

});

</script>