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