gecko/content/canvas/test/test_2d.path.arcTo.negative.html

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HTML

<!DOCTYPE HTML>
<title>Canvas test: 2d.path.arcTo.negative</title>
<!-- Testing: arcTo() with negative radius throws an exception -->
<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 = undefined; try {
ctx.arcTo(0, 0, 0, 0, -1);
} catch (e) { _thrown = e }; ok(_thrown && _thrown.code == DOMException.INDEX_SIZE_ERR, "should throw INDEX_SIZE_ERR");
SimpleTest.finish();
});
</script>