2009-09-29 05:40:24 +04:00
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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=518777
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-->
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<head>
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<title>Test for Bug 518777</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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2012-03-21 07:31:37 +04:00
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<script>
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SimpleTest.waitForExplicitFinish();
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function dotest() {
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2012-09-07 09:29:47 +04:00
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var canvasWidth = 50;
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var canvasHeight = 50;
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2012-03-21 07:31:37 +04:00
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var source = document.getElementById("source").contentWindow;
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2012-09-07 09:29:47 +04:00
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rect = { left: 25, top: 25,
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width: canvasWidth, height: canvasHeight };
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var canvas = SpecialPowers.snapshotRect(source, rect, "transparent");
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2012-03-21 07:31:37 +04:00
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var context = canvas.getContext("2d");
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2012-09-07 09:29:47 +04:00
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var data = context.getImageData(0, 0, canvasWidth, canvasHeight).data;
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2012-03-21 07:31:37 +04:00
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var i;
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for (i = 0; i < data.length; i += 4) {
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if (data[i] != 0 || data[i + 1] != 0 || data[i + 2] != 255 || data[i + 3] != 255)
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break;
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}
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ok(i >= data.length, "all pixels blue");
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SimpleTest.finish();
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}
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</script>
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2009-09-29 05:40:24 +04:00
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</head>
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<body>
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<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=518777">Mozilla Bug 518777</a></p>
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<!--
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iframe source is
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<html><body onload='window.scrollTo(0,99999999); document.documentElement.offsetWidth; window.parent.dotest();' style='background: rgb(0,0,255); width: 100px; height: 50100px;'></body></html>
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-->
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<iframe id="source" width="50" height="50"
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src="data:text/html,%3Chtml%3E%3Cbody%20onload%3D%27window.scrollTo%280%2C99999999%29%3B%20document.documentElement.offsetWidth%3B%20window.parent.dotest%28%29%3B%27%20style%3D%27background%3A%20rgb%280%2C0%2C255%29%3B%20width%3A%20100px%3B%20height%3A%2050100px%3B%27%3E%3C%2Fbody%3E%3C%2Fhtml%3E"></iframe>
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<pre id="test">
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</pre>
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</body>
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</html>
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