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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: [j5 -> [x-bar] -> j6]<br>
x-bar's shadow tree: [k1 -> k0 -> [s2]]<br>
slot #s2: [j1 -> j2 -> j3 -> j4 -> [s1] -> j0]<br><br>
slot #s1: [i1 -> i2]<br>
<b>v1 ideal nav forward: [i0 -> j5 -> xbar -> k1 -> k0 -> j6]</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'>
<template data-mode='open'>
<div id='x-bar' tabindex=4>
<input id='j1' slot='s2' tabindex=1 value='j1'>
<slot id='s1' name='s1' slot='s2'></slot>
<input id='j0' slot='s2' tabindex=0 value='j0'>
<input id='j3' slot='s2' tabindex=2 value='j3'>
<div id='j4' slot='s2' tabindex=3>
<input id='j2' tabindex=1 value='j2'>
</div>
<template data-mode='open'>
<input id='k0' tabindex=0 value='k0'>
<slot id='s2' name='s2' tabindex=-1></slot>
<input id='k1' tabindex=1 value='k1'>
</template>
</div>
<div id='to-be-ignored-host' tabindex=-1>
<template data-mode='open'>
<input id='ignored-input-in-shadow-host1' tabindex=1 value='ignored'>
<input id='ignored-input-in-shadow-host2' tabindex=2 value='ignored'>
</template>
</div>
<input id='j6' tabindex=4 value='j6'>
<input id='j5' tabindex=3 value='j5'>
</template>
</div>
</div>
<script>
'use strict';
let xfoo = document.getElementById('x-foo');
convertTemplatesToShadowRootsWithin(xfoo);
let sr = xfoo.shadowRoot;
promise_test(async () => {
let elements = [
'i0',
'x-foo/j5',
'x-foo/x-bar',
'x-foo/x-bar/k1',
'x-foo/x-bar/k0',
'x-foo/j6'
];
await assert_focus_navigation_forward(elements);
elements.reverse();
await assert_focus_navigation_backward(elements);
}, 'Focus controller should treat slots as a focus scope.');
promise_test(async () => {
let ignoredHost = sr.getElementById('to-be-ignored-host');
let ignoredInput1 = ignoredHost.shadowRoot.querySelector('input');
let ignoredInput2 = ignoredInput1.nextElementSibling;
let elements = [
'x-foo/to-be-ignored-host/ignored-input-in-shadow-host1',
'x-foo/to-be-ignored-host/ignored-input-in-shadow-host2',
'x-foo/j6'
];
await assert_focus_navigation_forward(elements);
let elementsBackward = [
'x-foo/to-be-ignored-host/ignored-input-in-shadow-host2',
'x-foo/to-be-ignored-host/ignored-input-in-shadow-host1',
'x-foo/x-bar/k0'
];
await assert_focus_navigation_backward(elementsBackward);
}, 'This is a regression test: After focusing negative tabindex-ed elements, focus moves in tree order.');
</script>
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