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<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://github.com/whatwg/html/issues/8994">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div popover=auto tabindex=0 data-test="autofocus=true, delegatesfocus=false" autofocus class=should-be-focused>
<template shadowrootmode=open>
<button autofocus>autofocus button</button>
</template>
</div>
<!-- The autofocus popover is what focus() gets called on, but since it has a
delegatesFocus shadowroot, focus() itself goes into the shadowroot. -->
<div popover=auto tabindex=0 data-test="autofocus=true, delegatesfocus=true" autofocus>
<template shadowrootmode=open shadowrootdelegatesfocus>
<button autofocus class=should-be-focused>autofocus button</button>
</template>
</div>
<div popover=auto tabindex=0 data-test="autofocus=false, delegatesfocus=false">
<template shadowrootmode=open>
<button autofocus>autofocus button</button>
</template>
</div>
<div popover=auto tabindex=0 data-test="autofocus=false, delegatesfocus=true">
<template shadowrootmode=open shadowrootdelegatesfocus>
<button autofocus>autofocus button</button>
</template>
</div>
<script>
document.querySelectorAll('body > [popover]').forEach(popover => {
promise_test(async () => {
const expectedFocusedElement = (popover.matches('.should-be-focused') ? popover : null)
|| popover.querySelector('.should-be-focused')
|| popover.shadowRoot.querySelector('.should-be-focused')
|| document.body;
popover.showPopover();
let actualFocusedElement = document.activeElement;
if (actualFocusedElement.shadowRoot && actualFocusedElement.shadowRoot.activeElement) {
actualFocusedElement = actualFocusedElement.shadowRoot.activeElement;
}
popover.hidePopover();
// Resetting focus may happen asynchronously
await new Promise(resolve => requestAnimationFrame(resolve));
assert_equals(actualFocusedElement, expectedFocusedElement);
}, popover.getAttribute('data-test'));
});
</script>
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