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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow Test: scroll-target-group property invalidation of :target-current</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-target-group">
<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>
<script src="/css/css-transitions/support/helper.js"></script>
<style>
#wrapper {
position: fixed;
left: 0;
top: 0;
}
.stg {
scroll-target-group: auto;
}
#scroller {
overflow: auto;
height: 130px;
width: 100px;
}
.item {
width: 100px;
height: 300px;
background-color: blue;
margin: 5px;
}
a {
color: red;
}
a:target-current {
color: green;
}
</style>
<div class="item" id="target1"></div>
<div class="item" id="target2"></div>
<div class="item" id="target3"></div>
<div class="item" id="target4"></div>
<div id="wrapper" class="stg">
<a id="link1" href="#target1">t1</a>
<a id="link2" href="#target2">t2</a>
<div id="subwrapper">
<a id="link3" href="#target3">t3</a>
<a id="link4" href="#target4">t4</a>
</div>
</div>
<script>
// Triggers recalculation of scroll target group relations.
link2.addEventListener("click", () => {
subwrapper.classList.add("stg");
});
promise_test(async t => {
const link2X = link2.getBoundingClientRect().left;
const link2Y = link2.getBoundingClientRect().top;
await new test_driver.Actions()
.pointerMove(link2X, link2Y)
.pointerDown()
.pointerUp()
.send();
await waitForAnimationFrames(2);
assert_equals(getComputedStyle(link1).color, "rgb(255, 0, 0)", "link1 shouldn't be :target-current after clicking link2");
assert_equals(getComputedStyle(link2).color, "rgb(0, 128, 0)", "link2 should be :target-current after clicking link2");
});
</script>
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