gecko-dev/content/canvas/test/test_2d.imageData.create.ne...

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<!DOCTYPE HTML>
<title>Canvas test: 2d.imageData.create.negative - bug 433004</title>
<!-- Testing: createImageData() takes the absolute magnitude of the size arguments -->
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
SimpleTest.waitForExplicitFinish();
MochiKit.DOM.addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
var _thrown_outer = false;
try {
var imgdata1 = ctx.createImageData(10, 20);
var imgdata2 = ctx.createImageData(-10, 20);
var imgdata3 = ctx.createImageData(10, -20);
var imgdata4 = ctx.createImageData(-10, -20);
ok(imgdata1.data.length == imgdata2.data.length, "imgdata1.data.length == imgdata2.data.length");
ok(imgdata2.data.length == imgdata3.data.length, "imgdata2.data.length == imgdata3.data.length");
ok(imgdata3.data.length == imgdata4.data.length, "imgdata3.data.length == imgdata4.data.length");
} catch (e) {
_thrown_outer = true;
}
todo(!_thrown_outer, 'should not throw exception');
SimpleTest.finish();
});
</script>