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https://github.com/servo/servo
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35 lines
1.2 KiB
HTML
35 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
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<title>Canvas test: 2d.imageData.get.order.rows</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/canvas-tests.js"></script>
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<link rel="stylesheet" href="/common/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.get.order.rows</h1>
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<p class="desc">getImageData() returns topmost rows first</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<ul id="d"></ul>
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<script>
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var t = async_test("getImageData() returns topmost rows first");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#fff';
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ctx.fillRect(0, 0, 100, 50);
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ctx.fillStyle = '#000';
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ctx.fillRect(0, 0, 100, 2);
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var imgdata = ctx.getImageData(0, 0, 10, 10);
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_assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0");
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_assertSame(imgdata.data[Math.floor(imgdata.width/2*4)], 0, "imgdata.data[Math.floor(imgdata.width/2*4)]", "0");
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_assertSame(imgdata.data[(imgdata.height/2)*imgdata.width*4], 255, "imgdata.data[(imgdata.height/2)*imgdata.width*4]", "255");
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});
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</script>
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