gecko/content/canvas/test/test_2d.imageData.get.properties.html

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HTML

<!DOCTYPE HTML>
<title>Canvas test: 2d.imageData.get.properties</title>
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
var _deferred = false;
SimpleTest.waitForExplicitFinish();
MochiKit.DOM.addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
var imgdata = ctx.getImageData(0, 0, 100, 50);
ok(typeof(imgdata.width) == 'number', "typeof(imgdata.width) == 'number'");
ok(typeof(imgdata.height) == 'number', "typeof(imgdata.height) == 'number'");
ok(typeof(imgdata.data) == 'object', "typeof(imgdata.data) == 'object'");
ok(imgdata.data.length === imgdata.width*imgdata.height*4, "imgdata.data.length === imgdata.width*imgdata.height*4");
if (!_deferred) SimpleTest.finish();
});
</script>