moves-to-next-item-outside-extending-focusgroup.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focusgroup - Focus moves to next item outside the extending focusgroup.</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
<link rel="help" href="https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Focusgroup/explainer.md">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../resources/focusgroup-utils.js"></script>

<div id=root focusgroup>
  <div id=item1 tabindex=0 focusgroup=extend>
    <span id=item2>item2</span> <!--NOT FOCUSABLE-->
    <span id=item3>item3</span> <!--NOT FOCUSABLE-->
  </div>
  <span id=item4 tabindex=-1>item4</span>
</div>

<script>

  promise_test(async t => {
    var item1 = document.getElementById("item1");
    var item4 = document.getElementById("item4");

    await focusAndKeyPress(item1, kArrowDown);
    assert_equals(document.activeElement, item4);

    await focusAndKeyPress(item1, kArrowRight);
    assert_equals(document.activeElement, item4);
  }, "When the focus is set on a focusgroup item which happens to also be an extending focusgroup, an arrow key press should move the focus to the next item within the extending focusgroup and skip non-focusable items. If no valid candidate is found within that extending focusgroup, the next element (in pre-order traversal) should be considered. In this case, |item4| is the valid next candidate.");

</script>

chromium/third_party/blink/web_tests/external/wpt/html/interaction/focus/focusgroup/tentative/forward-navigation/moves-to-next-item-outside-extending-focusgroup.html