The Tor Browser: content/canvas/test/test_bug902651.html@8bccb770b82d (annotated)

content/canvas/test/test_bug902651.html@8bccb770b82d (annotated)

Wed, 31 Dec 2014 13:27:57 +0100

Ignore runtime configuration files generated during quality assurance.

 <!DOCTYPE HTML>
 <title>Canvas test: canvas demotion</title>
 <script src="/tests/SimpleTest/SimpleTest.js"></script>
 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
 <body>
 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
 <script>
 SimpleTest.waitForExplicitFinish();
 addLoadEvent(function () {
 var canvas = document.getElementById('c');
 var ctx = canvas.getContext('2d');
 ctx.fillStyle = 'rgb(50, 50, 50)';
 ctx.fillRect(0, 0, 100, 50);
 ctx.translate(25, 25);
 SpecialPowers.wrap(ctx).demote();
 setTimeout(function() {
   ctx.fillStyle = 'rgb(127, 127, 127)';
   ctx.fillRect(0, 0, 10, 10);
   var pixels = ctx.getImageData(0, 0, 1, 1);
   ok(pixels.data[0] === 50, "pixels.data[0] expected 50, got " + pixels.data[0]);
   ok(pixels.data[1] === 50, "pixels.data[1] expected 50, got " + pixels.data[1]);
   ok(pixels.data[2] === 50, "pixels.data[2] expected 50, got " + pixels.data[2]);
   pixels = ctx.getImageData(25, 25, 1, 1);
   ok(pixels.data[0] === 127, "pixels.data[0] expected 127, got " + pixels.data[0]);
   ok(pixels.data[1] === 127, "pixels.data[1] expected 127, got " + pixels.data[1]);
   ok(pixels.data[2] === 127, "pixels.data[2] expected 127, got " + pixels.data[2]);
   SimpleTest.finish();
 }, 50);
 });
 </script>