1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
<!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();
SimpleTest.requestFlakyTimeout("untriaged");
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>
|
