Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

<!doctype html>
<meta charset="utf-8">
<title>CSS Overflow Test: focused ::scroll-marker sets :focus-within on its ::scroll-marker-group, scroller and all the ancestors in links and tabs modes</title>
<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 {
background: red;
width: 600px;
height: 300px;
overflow: auto;
scroll-marker-group: before;
white-space: nowrap;
}
#scroller:focus-within {
background: green;
}
#scroller div {
background: green;
display: inline-block;
width: 600px;
height: 270px;
}
#scroller div:focus-within {
background: red;
}
#scroller::scroll-marker-group {
background: red;
display: flex;
height: 20px;
width: 40px;
}
#scroller::scroll-marker-group:focus-within {
background: green;
}
#scroller div::scroll-marker {
content: "";
width: 20px;
height: 20px;
background-color: red;
display: inline-block;
}
#scroller div::scroll-marker:focus-within {
background: green;
}
</style>
<div id="scroller">
<div id="target"></div>
<div></div>
</div>
<script>
promise_test(async t => {
// 1. Links mode (default)
let actions_promise = new test_driver.Actions()
.pointerMove(15, 15)
.pointerDown()
.pointerUp()
.send();
await actions_promise;
assert_equals(getComputedStyle(scroller, "::scroll-marker-group").backgroundColor, "rgb(255, 0, 0)", "unfocused ::scroll-marker does not set :focus-within on its ::scroll-marker-group in links mode");
assert_equals(getComputedStyle(scroller).backgroundColor, "rgb(255, 0, 0)", "unfocused ::scroll-marker does not set :focus-within on its scroller in links mode");
assert_equals(getComputedStyle(target, "::scroll-marker").backgroundColor, "rgb(255, 0, 0)", "unfocused ::scroll-marker does not set :focus-within on itself in links mode");
assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 128, 0)", "unfocused ::scroll-marker doesn't set :focus-within on its originating element in links mode");
// 2. Tabs mode
document.activeElement.blur();
scroller.style.setProperty("scroll-marker-group", "before tabs");
actions_promise = new test_driver.Actions()
.pointerMove(15, 15)
.pointerDown()
.pointerUp()
.send();
await actions_promise;
assert_equals(getComputedStyle(scroller, "::scroll-marker-group").backgroundColor, "rgb(0, 128, 0)", "focused ::scroll-marker sets :focus-within on its ::scroll-marker-group in tabs mode");
assert_equals(getComputedStyle(scroller).backgroundColor, "rgb(0, 128, 0)", "focused ::scroll-marker sets :focus-within on its scroller in tabs mode");
assert_equals(getComputedStyle(target, "::scroll-marker").backgroundColor, "rgb(0, 128, 0)", "focused ::scroll-marker sets :focus-within on itself in tabs mode");
assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 128, 0)", "focused ::scroll-marker doesn't set :focus-within on its originating element in tabs mode");
}, "::scroll-marker sets :focus-within on its ancestors in tabs mode, but not in links mode");
</script>