<!DOCTYPE html>
<html>
<body>
<p>Test that the scrollbars of a visibility:hidden overflow:auto DIV do not participate in hit testing - <a href="http://crbug.com/313908">http://crbug.com/313908</a></p>
<div id="result">FAIL: script didn't run to completion.</div>
<div id="div1" style="position: absolute; top: 100px; width: 100px; height: 340px; background-color: Pink; overflow: auto;">
<div id="div1Content" style="width: 100%; height: 500px;">
Div 1
</div>
</div>
<div id="div2" style="position: absolute; top: 120px; width: 100px; height: 300px; background-color: Gold; overflow: auto; z-index: 1;">
<div id="div2Content" style="width: 200%; height: 500px;">
Div 2
</div>
</div>
<script>
if (window.testRunner)
testRunner.dumpAsText();
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
// First sanity check points that should be within div2's vertical and horizontal scrollbars
// when it's visible.
// Subtract 5px from the right (bottom) edge to get a point within the vertical (horizontal) scrollbar.
var verticalPoint = [div2.offsetLeft + div2.offsetWidth - 5, div2.offsetTop + Math.floor(div2.offsetHeight / 2)];
var horizontalPoint = [div2.offsetLeft + Math.floor(div2.offsetWidth / 2), div2.offsetTop + div2.offsetHeight - 5];
var elem = document.elementFromPoint(verticalPoint[0], verticalPoint[1]);
var elem2 = document.elementFromPoint(horizontalPoint[0], horizontalPoint[1]);
if (elem.id != div2.id || elem2.id != div2.id) {
document.getElementById("result").firstChild.data = "FAILURE: The element at points (" + verticalPoint + ") and (" + horizontalPoint + ") needs to be div2. You may need to turn on overflow scrollbars temporarily. (On Mac: Change the 'Show scroll bars' setting to 'Always'.)";
} else {
// Hide div2 by applying visibility:hidden and re-check.
div2.style.visibility = "hidden";
elem = document.elementFromPoint(verticalPoint[0], verticalPoint[1]);
elem2 = document.elementFromPoint(horizontalPoint[0], horizontalPoint[1]);
if (elem.id != div1.id) {
document.getElementById("result").firstChild.data = "FAILURE: The element at point (" + verticalPoint + ") should be div1.";
} else if (elem2.id != div1.firstElementChild.id) {
document.getElementById("result").firstChild.data = "FAILURE: The element at point (" + horizontalPoint + ") should be div1Content.";
} else {
document.getElementById("result").firstChild.data = "SUCCESS";
}
}
</script>
</body>
</html>
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