wpt / css / selectors / focus-within-removal.html

Status: FAIL | Duration: 67ms | Subtests: 0/1 | Open test on wpt.live | wpt.fyi

TestTest Source

/css/selectors/focus-within-removal.html

<!doctype html>
<meta charset="utf-8">
<title>Removing an element 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="root">
  <div id="container" tabindex="-1">
    <input type="text">
  </div>
</div>
<script>
onload = function() {
  test(function() {
    let root = document.getElementById("root");
    let container = document.getElementById("container");
    let input = document.querySelector("input");

    input.focus();
    assert_equals(document.activeElement, input, "activeElement after focus");
    assert_true(container.matches(":focus-within"), "container matches :focus-within");
    assert_true(root.matches(":focus-within"), "root also matches :focus-within");
    // This fires from within the next focus() call
    input.addEventListener("focusout", () => { root.innerHTML = "" });
    // container is focusable, but gets removed before we get a chance at focusing it.
    container.focus();
    assert_equals(document.activeElement, document.body, "activeElement after trying to focus sibling");
    assert_equals(container.parentNode, null, "container should get removed");
    assert_false(container.matches(":focus-within"), "container no longer matches :focus-within");
    assert_false(root.matches(":focus-within"), "root no longer matches :focus-within");
  });
}
</script>