<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focusgroup - Focus moves to previous item within 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 focusgroup=wrap>
<span id=item1 tabindex=0>item1</span>
<div>
<div focusgroup=extend>
<span id=item2 tabindex=-1>item2</span>
<span id=item3 tabindex=-1>item3</span>
</div>
</div>
<span id=item4 tabindex=-1>item4</span>
</div>
<script>
promise_test(async t => {
var item3 = document.getElementById("item3");
var item4 = document.getElementById("item4");
await focusAndKeyPress(item4, kArrowUp);
assert_equals(document.activeElement, item3);
await focusAndKeyPress(item4, kArrowLeft);
assert_equals(document.activeElement, item3);
}, "When the focus is set on the last item of a focusgroup and the previous item is a descendant of a subtree, a backward arrow key press should move the focus to that previous item within the subtree.");
</script>
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