1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/canvas/test/test_bug902651.html Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,43 @@ 1.4 +<!DOCTYPE HTML> 1.5 +<title>Canvas test: canvas demotion</title> 1.6 +<script src="/tests/SimpleTest/SimpleTest.js"></script> 1.7 +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> 1.8 +<body> 1.9 +<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 1.10 +<script> 1.11 + 1.12 +SimpleTest.waitForExplicitFinish(); 1.13 +addLoadEvent(function () { 1.14 + 1.15 +var canvas = document.getElementById('c'); 1.16 +var ctx = canvas.getContext('2d'); 1.17 + 1.18 +ctx.fillStyle = 'rgb(50, 50, 50)'; 1.19 +ctx.fillRect(0, 0, 100, 50); 1.20 +ctx.translate(25, 25); 1.21 + 1.22 +SpecialPowers.wrap(ctx).demote(); 1.23 + 1.24 +setTimeout(function() { 1.25 + ctx.fillStyle = 'rgb(127, 127, 127)'; 1.26 + ctx.fillRect(0, 0, 10, 10); 1.27 + 1.28 + var pixels = ctx.getImageData(0, 0, 1, 1); 1.29 + 1.30 + ok(pixels.data[0] === 50, "pixels.data[0] expected 50, got " + pixels.data[0]); 1.31 + ok(pixels.data[1] === 50, "pixels.data[1] expected 50, got " + pixels.data[1]); 1.32 + ok(pixels.data[2] === 50, "pixels.data[2] expected 50, got " + pixels.data[2]); 1.33 + 1.34 + pixels = ctx.getImageData(25, 25, 1, 1); 1.35 + 1.36 + ok(pixels.data[0] === 127, "pixels.data[0] expected 127, got " + pixels.data[0]); 1.37 + ok(pixels.data[1] === 127, "pixels.data[1] expected 127, got " + pixels.data[1]); 1.38 + ok(pixels.data[2] === 127, "pixels.data[2] expected 127, got " + pixels.data[2]); 1.39 + 1.40 + SimpleTest.finish(); 1.41 +}, 50); 1.42 + 1.43 + 1.44 +}); 1.45 +</script> 1.46 +