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<!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>
<p>
document tree: [i0 -> [x-foo]]<br>
x-foo's shadow tree: [j1 -> [s1] -> [s2] -> j2 ->[x-bar]]<br>
x-bar's shadow tree: [[s3] -> k1]<br>
slot #s1: [i1 -> i2]<br>
slot #s2: [i3]<br>
slot #s3: [l1 -> l2]<br><br>
<b>v1 ideal nav forward: [i0 -> j1 -> i1 -> i2 -> i3 -> j2 -> x-bar -> l1 -> l2 -> k1]</b><br>
</p>
<input id='i0' tabindex=0 value='i0'>
<div id='x-foo'>
<input id='i2' slot='s1' tabindex=2 value='i2'>
<input id='i1' slot='s1' tabindex=1 value='i1'>
<input id='i3' slot='s2' tabindex=3 value='i3'>
<template data-mode='open'>
<div id='x-bar' tabindex=5>
<input id='l2' slot='s3' tabindex=2 value='l2'>
<input id='l1' slot='s3' tabindex=1 value='l1'>
<template data-mode='open'>
<slot id='s3' name='s3' tabindex=1></slot>
<input id='k1' tabindex=2 value='k1'>
</template>
</div>
<input id='j1' tabindex=1 value='j1'>
<slot id='s2' name='s2' tabindex=3></slot>
<slot id='s1' name='s1' tabindex=2></slot>
<input id='j2' tabindex=4 value='j2'>
</template>
</div>
<script>
'use strict';
promise_test(async () => {
let xfoo = document.getElementById('x-foo');
convertTemplatesToShadowRootsWithin(xfoo);
let elements = [
'i0',
'x-foo/j1',
'i1',
'i2',
'i3',
'x-foo/j2',
'x-foo/x-bar',
'x-foo/l1',
'x-foo/l2',
'x-foo/x-bar/k1',
];
await assert_focus_navigation_forward(elements);
elements.reverse();
await assert_focus_navigation_backward(elements);
}, 'Slots tabindex should be considred in focus navigation.');
</script>
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