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<!DOCTYPE HTML>
<meta charset="utf-8" />
<title>details content, when opened, should be included in the focus flow</title>
<link rel="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk">
<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1981724">
<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>
<details id=details open>
<summary id=first>First</summary>
<p>Then <a id=second href="#">Second</a></p>
</details>
Finally <button id=third>Third</button>
<script>
const tabKey = "\ue004";
const shiftKey = "\uE008";
promise_test(async (t) => {
details.open = true;
first.focus();
await test_driver.send_keys(first, tabKey);
assert_equals(document.activeElement, second);
await test_driver.send_keys(second, tabKey);
assert_equals(document.activeElement, third);
await new test_driver.Actions().keyDown(shiftKey).keyDown(tabKey).keyUp(tabKey).keyUp(shiftKey).send();
assert_equals(document.activeElement, second);
await new test_driver.Actions().keyDown(shiftKey).keyDown(tabKey).keyUp(tabKey).keyUp(shiftKey).send();
assert_equals(document.activeElement, first);
}, "Focus flows into second when details is open");
promise_test(async (t) => {
details.open = false;
first.focus();
await test_driver.send_keys(first, tabKey);
assert_equals(document.activeElement, third);
await new test_driver.Actions().keyDown(shiftKey).keyDown(tabKey).keyUp(tabKey).keyUp(shiftKey).send();
assert_equals(document.activeElement, first);
}, "Focus flows into third when details is closed");
</script>
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