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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 -> j1 -> j2 -> j3 -> j4 -> i1 -> i2 -> j0 -> 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"></slot>
<input id="k1" tabindex=1 value="k1">
</template>
</div>
<input id="j6" tabindex=4 value="j6">
<input id="j5" tabindex=3 value="j5">
</template>
</div>
<script>
'use strict';
promise_test(async () => {
let xfoo = document.getElementById('x-foo');
convertTemplatesToShadowRootsWithin(xfoo);
let sr = xfoo.shadowRoot;
let xbar = sr.querySelector('div');
convertTemplatesToShadowRootsWithin(xbar);
let elements = [
'i0',
'x-foo/j5',
'x-foo/x-bar',
'x-foo/x-bar/k1',
'x-foo/x-bar/k0',
'x-foo/j1',
'x-foo/j2',
'x-foo/j3',
'x-foo/j4',
'i1',
'i2',
'x-foo/j0',
'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.');
</script>
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