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Adding test file to fix bustage for bug 662450

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This commit is contained in:
Robert O'Callahan 2011-06-17 16:16:45 +12:00
parent 561601264e
commit ae2df1cd66
1 changed files with 43 additions and 0 deletions
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content/canvas/test/test_2d.clearRect.image.offscreen.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="/MochiKit/packed.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="doTest()">
<p id="display">
<canvas id="c" width="1" height="1"></canvas>
<img id="img" src="image_green-1x1.png">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
var c = document.getElementById("c");
var ctx = c.getContext("2d");
var img = document.getElementById("img");
SimpleTest.waitForExplicitFinish();
function doTest() {
ctx.fillStyle = "red";
ctx.fillRect(0, 0, 1, 1);
ctx.drawImage(img, -1, 0);
ctx.clearRect(0, 0, 1, 1);
var data = ctx.getImageData(0, 0, 1, 1).data;
is(data[0], 0, "Red channel should be 0");
is(data[1], 0, "Green channel should be 0");
is(data[2], 0, "Blue channel should be 0")
is(data[3], 0, "Alpha channel should be 0");
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>