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<!doctype html>
<meta charset="utf-8">
<title>Moving focus from its own focus() call doesn't leave stale :focus-within state</title>
<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1996182">
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.com" title="Mozilla">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="wrapper">
<div id="outer">
<input id="tab">
<input id="input" onblur="outside.focus()">
</div>
<input id="outside">
</div>
<script>
onload = function() {
test(function() {
let wrapper = document.getElementById("wrapper");
let outer = document.getElementById("outer");
let tab = document.getElementById("tab");
let input = document.getElementById("input");
let outside = document.getElementById("outside");
input.focus();
assert_equals(document.activeElement, input, "activeElement after focus");
assert_true(outer.matches(":focus-within"), "outer matches :focus-within");
assert_true(wrapper.matches(":focus-within"), "wrapper matches :focus-within");
// This ends up shifting to `outside` rather than `tab`.
tab.focus();
assert_equals(document.activeElement, outside, "activeElement after trying to focus sibling");
assert_true(wrapper.matches(":focus-within"), "wrapper still matches :focus-within");
assert_false(outer.matches(":focus-within"), "outer no longer matches :focus-within");
});
}
</script>
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