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34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: 2d.imageData.create.large - bug 433004</title>
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<!-- Testing: createImageData() works for sizes much larger than the canvas -->
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<script src="/MochiKit/MochiKit.js"></script>
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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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MochiKit.DOM.addLoadEvent(function () {
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var canvas = document.getElementById('c');
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var ctx = canvas.getContext('2d');
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var _thrown_outer = false;
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var imgdata = ctx.createImageData(1000, 2000);
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ok(imgdata.data.length == imgdata.width*imgdata.height*4, "imgdata.data.length == imgdata.width*imgdata.height*4");
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ok(imgdata.width < imgdata.height, "imgdata.width < imgdata.height");
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ok(imgdata.width > 0, "imgdata.width > 0");
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var isTransparentBlack = true;
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for (var i = 0; i < imgdata.data.length; i += 7813) // check ~1024 points (assuming normal scaling)
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if (imgdata.data[i] !== 0)
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isTransparentBlack = false;
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ok(isTransparentBlack, "isTransparentBlack");
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SimpleTest.finish();
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});
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</script>
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