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39 lines
1.1 KiB
HTML
39 lines
1.1 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=587106
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-->
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<head>
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<title>Test for Bug 587106</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=587106">Mozilla Bug 587106</a>
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<p id="display"><canvas id="c"><canvas></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 587106 **/
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var ctx=document.getElementById('c').getContext('2d');
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for (var i = 0; i < 100; ++i) {
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// Skip things that will give different alpha values depending on weird
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// rounding stuff.
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var tentativeAlpha = i / 100 * 255;
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if (Math.abs(tentativeAlpha.toFixed(1) - tentativeAlpha.toFixed(0)) == 0.5) {
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// Skip this one, please!
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continue;
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}
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ctx.strokeStyle = 'rgba(0, 0, 0, ' + (i/100) + ')';
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is(ctx.strokeStyle, 'rgba(0, 0, 0, ' + (i/100) + ')',
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'strokeStyle should match for opacity='+(i/100));
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}
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</script>
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</pre>
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</body>
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</html>
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