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<!doctype html>
<meta charset="utf-8">
<title>CSS Test: Hit testing on element previously hidden by an anonymous scroll box</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1433591">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
html, body {
margin: 0;
padding: 0;
}
/*
Create a hidden scrollbox that occupies the whole viewport, then give it
visibility: hidden dynamically. The link previously under the scrollbox
should be clickable.
*/
.scrollable {
position: absolute;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
overflow: scroll;
}
.scrollable .inner {
display: table-cell;
width: 100vw;
height: 100vh;
}
</style>
<div class="scrollable">
<div class="inner"></div>
</div>
<a href="#">Should be clickable</a>
<script>
test(function() {
assert_equals(document.elementFromPoint(10, 10).tagName, "DIV",
"Should hit the scrollbox contents");
document.querySelector('div').style.visibility = "hidden";
assert_equals(document.elementFromPoint(10, 10), document.querySelector('a'));
}, "Link should be clickable after hiding a scrollbox with an anonymous table inside");
</script>
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