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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/test_bug902651.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/test_bug902651.html')
-rw-r--r-- | dom/canvas/test/test_bug902651.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/dom/canvas/test/test_bug902651.html b/dom/canvas/test/test_bug902651.html new file mode 100644 index 0000000000..2491138012 --- /dev/null +++ b/dom/canvas/test/test_bug902651.html @@ -0,0 +1,44 @@ +<!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> + |