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<!doctype html>
<meta charset="utf-8">
<title>CSS Test: document.activeElement for ::scroll-marker is scroller</title>
<link rel="help"
href="https://github.com/flackr/carousel/tree/main/scroll-marker#what-is-the-documentactiveelement-of-a-focused-pseudo-element">
<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>
body {
margin: 0;
}
#scroller {
width: 600px;
height: 300px;
overflow: auto;
scroll-marker-group: before;
white-space: nowrap;
}
#scroller div {
background: green;
display: inline-block;
width: 600px;
height: 270px;
}
#scroller :first-child {
background: purple;
}
#scroller::scroll-marker-group {
display: flex;
height: 20px;
width: 40px;
}
#scroller div::scroll-marker {
content: "";
width: 100px;
height: 20px;
background-color: blue;
display: inline-block;
}
#scroller div:first-of-type::scroll-marker {
background-color: brown;
}
</style>
<div id="scroller">
<div></div>
<div></div>
</div>
<script>
promise_test(async t => {
actions_promise = new test_driver.Actions()
.pointerMove(15, 15)
.pointerDown()
.pointerUp()
.send();
await actions_promise;
assert_equals(document.activeElement, scroller, "document.activeElement for ::scroll-marker is scroller");
});
</script>
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