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<!DOCTYPE html>
<title>CSS Overflow Test: ::scroll-button and ::scroll-marker pseudo-elements are not present in event path</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-buttons">
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker">
<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 {
height: 100px;
width: 100px;
overflow: scroll;
scroll-marker-group: before;
}
#scroller::scroll-marker-group {
height: 10px;
}
#target {
height: 100px;
width: 200px;
}
#scroller::scroll-button(right) {
content: "";
height: 10px;
width: 10px;
}
#target::scroll-marker {
content: "";
height: 10px;
width: 10px;
display: block;
}
</style>
<div id="scroller">
<div id="target"></div>
</div>
<script>
const scrollButtonHalfHeight = 5;
const scrollButtonHalfWidth = 5;
const scrollMarkerHalfHeight = 5;
const scrollMarkerHalfWidth = 5;
const scrollerBottom = scroller.getBoundingClientRect().bottom;
let scrollerActualEventPath = null;
scroller.addEventListener("click", (e) => {
scrollerActualEventPath = e.composedPath();
});
const scrollerExpectedEventPath = [scroller, document.body, document.documentElement, document, window];
promise_test(async t => {
// Click on the ::scroll-button pseudo-element.
const scrollButtonX = scrollButtonHalfWidth;
const scrollButtonY = scrollerBottom + scrollButtonHalfHeight;
await new test_driver.Actions()
.pointerMove(scrollButtonX, scrollButtonY)
.pointerDown()
.pointerUp()
.send();
assert_array_equals(scrollerActualEventPath, scrollerExpectedEventPath, "::scroll-button pseudo-element should not be in the event path");
});
let targetActualEventPath = null;
target.addEventListener("click", (e) => {
targetActualEventPath = e.composedPath();
});
const targetExpectedEventPath = [target, scroller, document.body, document.documentElement, document, window];
promise_test(async t => {
// Click on the ::scroll-marker pseudo-element.
const scrollMarkerX = scrollMarkerHalfWidth;
const scrollMarkerY = scrollMarkerHalfHeight;
await new test_driver.Actions()
.pointerMove(scrollMarkerX, scrollMarkerY)
.pointerDown()
.pointerUp()
.send();
assert_array_equals(targetActualEventPath, targetExpectedEventPath, "::scroll-marker pseudo-element should not be in the event path");
});
</script>
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