<html>
<head>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

var canvas = document.createElement("canvas");
canvas.getContext("2d").getImageData(10, 0xffffffff, 2147483647,10);
</script>
</head>
<body>
PASSED (If this page did not crash.)
</body>
</html>