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