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Test Info:

<!DOCTYPE html>
<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/shadow-dom.js"></script>
<script src="resources/focus-utils.js"></script>
<div id="log"></div>
<!--
This test case is based on the crbug.com/618587 reproduction case:
-->
<input id='i0'>
<div id='x-foo'>
<template data-mode='open'>
<input id='inner-before'>
<slot></slot>
<input id='inner-after'>
</template>
<div id='nested'>
<template data-mode='open'>
<input id='nested-x'>
<slot></slot>
<input id='nested-y'>
</template>
<input id='light'>
</div>
</div>
<input id='i1'>
<script>
promise_test(async () => {
var xFoo = document.querySelector('#x-foo');
convertTemplatesToShadowRootsWithin(xFoo);
var elements = [
'i0',
'x-foo/inner-before',
'nested/nested-x',
'light',
'nested/nested-y',
'x-foo/inner-after',
'i1'
];
await assert_focus_navigation_bidirectional(elements);
}, 'Focus controller should treat each slot as a focus scope.');
</script>