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<!doctype html>
<meta charset="utf-8">
<title>CSS Test: ::scroll-marker click with active selection</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-pseudo">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<style>
* {
margin: 0;
padding: 0;
}
#scroller {
width: 600px;
height: 300px;
overflow: scroll;
scroll-marker-group: before;
}
#scroller div {
width: 500px;
height: 300px;
margin-bottom: 20px;
background: green;
}
#scroller::scroll-marker-group {
border: 3px solid black;
padding: 5px;
display: block;
}
#scroller div::scroll-marker {
content: "";
width: 50px;
height: 50px;
background-color: blue;
display: inline-block;
}
#scroller #first::scroll-marker {
background-color: purple;
margin-right: 4px;
}
</style>
<div id="scroller" tabindex=0>
<div id="first">Hello</div>
<div>World</div>
</div>
<script>
selection = document.getSelection();
selection.setBaseAndExtent(first, 0, first, 1);
promise_test(async t => {
actions_promise = new test_driver.Actions()
.pointerMove(20, 20)
.pointerDown()
.pointerUp()
.send();
await actions_promise;
assert_equals(selection.anchorNode, null);
});
</script>
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