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e926b4cbfb
This was already the case for `context.createImageData()`, but I forgot to do the same for `new ImageData()`. Add a regression test for both cases.
29 lines
1 KiB
HTML
29 lines
1 KiB
HTML
<script src="../include.js"></script>
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<body><canvas id=c width=1 height=2></div>
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<script>
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test(() => {
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// Test createImageData + putImageData
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let ctx1 = c.getContext('2d');
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let img1 = ctx1.createImageData(1, 1);
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img1.data[0] = 50;
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img1.data[1] = 100;
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img1.data[2] = 200;
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img1.data[3] = 0;
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ctx1.putImageData(img1, 0, 0);
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let buf1 = ctx1.getImageData(0, 0, 1, 1);
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if (buf1.data[0] === 0 && buf1.data[1] === 0 && buf1.data[2] === 0 && buf1.data[3] === 0)
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println("PASS");
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else
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println("FAIL");
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// Test new ImageData + putImageData
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let ctx2 = c.getContext('2d');
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let img2 = new ImageData(new Uint8ClampedArray([50, 100, 200, 0]), 1, 1);
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ctx2.putImageData(img2, 0, 0);
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let buf2 = ctx2.getImageData(0, 0, 1, 1);
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if (buf2.data[0] === 0 && buf2.data[1] === 0 && buf2.data[2] === 0 && buf2.data[3] === 0)
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println("PASS");
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else
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println("FAIL");
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});
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</script>
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