blob: 0c5305337ee5281a6117dd5783cb16dae9ca14b7 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<script>
description(
"This tests that negative scrollTop and scrollLeft values are clamped to zero."
);
var scroller = document.createElement('div');
scroller.id = 'scroller';
scroller.style.overflow = 'scroll';
scroller.style.width = '200px';
scroller.style.height = '200px';
var contents = document.createElement('div');
contents.style.width = '400px';
contents.style.height = '400px';
scroller.appendChild(contents);
document.body.appendChild(scroller);
function attemptScroll(x, y)
{
scroller.scrollTop = x;
scroller.scrollLeft = y;
return scroller.scrollTop + ',' + scroller.scrollLeft;
}
shouldBe("attemptScroll(0, 0)", "'0,0'");
shouldBe("attemptScroll(50, 50)", "'50,50'");
shouldBe("attemptScroll(-50, -50)", "'0,0'");
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>