2009-09-28 18:40:24 -07:00
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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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</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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<canvas id="scratch" width="50" height="50"></canvas>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 518777 **/
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2012-03-20 00:27:50 -07:00
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SimpleTest.waitForExplicitFinish();
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2009-09-28 18:40:24 -07:00
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function dotest() {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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var canvas = document.getElementById('scratch');
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var source = document.getElementById('source').contentWindow;
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var context = canvas.getContext("2d");
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context.clearRect(0, 0, canvas.width, canvas.height);
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context.drawWindow(source, 25, 25, canvas.width, canvas.height,
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"transparent");
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var data = context.getImageData(0, 0, canvas.width, canvas.height).data;
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var failed = false;
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for (var 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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failed = true;
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break;
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}
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}
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ok(!failed, "all pixels blue");
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2012-03-20 00:27:50 -07:00
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SimpleTest.finish();
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2009-09-28 18:40:24 -07:00
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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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