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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /shadow-dom/focus-navigation/delegatesFocus-highlight-sibling.html - WPT Dashboard Interop Dashboard
<!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>
<template id='XMenuTemplate'>
<style>
:host {
display: inline-block;
position: relative;
background-color: #aaa;
}
:host(:focus) {
background-color: #ccc;
}
li {
display: inline-block;
position: relative;
background-color: #eee;
}
li:focus {
background-color: #fff;
}
</style>
<li tabindex='0'>Item One</li>
<li tabindex='0'>Item Two</li>
<li tabindex='0'>Item Three</li>
</template>
<section>
<x-menu id='XMenu1' tabindex='0'></x-menu>
</section>
<section>
<x-menu id='XMenu2' tabindex='0' delegatesFocus></x-menu>
<x-menu id='XMenu3' tabindex='0' delegatesFocus></x-menu>
</section>
<section>
<x-menu id='XMenu4' tabindex='0' delegatesFocus></x-menu>
</section>
<script>
'use strict';
const template = document.querySelector('#XMenuTemplate');
customElements.define('x-menu', class extends HTMLElement {
connectedCallback() {
const delegatesFocus = this.hasAttribute('delegatesFocus');
this.attachShadow({mode: 'open', delegatesFocus: delegatesFocus})
.appendChild(document.importNode(template.content, true));
}
});
promise_test(async () => {
let xmenu1 = document.getElementById('XMenu1');
xmenu1.focus();
await navigateFocusForward();
await navigateFocusForward();
await navigateFocusForward();
assert_equals(document.activeElement.id, 'XMenu1');
assert_background_color('XMenu1', 'rgb(204, 204, 204)');
assert_background_color('XMenu2', 'rgb(170, 170, 170)');
assert_background_color('XMenu3', 'rgb(170, 170, 170)');
assert_background_color('XMenu4', 'rgb(170, 170, 170)');
await navigateFocusForward();
await navigateFocusForward();
await navigateFocusForward();
assert_equals(document.activeElement.id, 'XMenu2');
await assert_background_color('XMenu1', 'rgb(170, 170, 170)');
await assert_background_color('XMenu2', 'rgb(204, 204, 204)');
await assert_background_color('XMenu3', 'rgb(170, 170, 170)');
await assert_background_color('XMenu4', 'rgb(170, 170, 170)');
await navigateFocusForward();
await navigateFocusForward();
await navigateFocusForward();
assert_equals(document.activeElement.id, 'XMenu3');
assert_background_color('XMenu1', 'rgb(170, 170, 170)');
assert_background_color('XMenu2', 'rgb(170, 170, 170)');
assert_background_color('XMenu3', 'rgb(204, 204, 204)');
assert_background_color('XMenu4', 'rgb(170, 170, 170)');
await navigateFocusForward();
await navigateFocusForward();
await navigateFocusForward();
assert_equals(document.activeElement.id, 'XMenu4');
assert_background_color('XMenu1', 'rgb(170, 170, 170)');
assert_background_color('XMenu2', 'rgb(170, 170, 170)');
assert_background_color('XMenu3', 'rgb(170, 170, 170)');
assert_background_color('XMenu4', 'rgb(204, 204, 204)');
await navigateFocusBackward();
await navigateFocusBackward();
await navigateFocusBackward();
assert_equals(document.activeElement.id, 'XMenu3');
assert_background_color('XMenu1', 'rgb(170, 170, 170)');
assert_background_color('XMenu2', 'rgb(170, 170, 170)');
assert_background_color('XMenu3', 'rgb(204, 204, 204)');
assert_background_color('XMenu4', 'rgb(170, 170, 170)');
await navigateFocusBackward();
await navigateFocusBackward();
await navigateFocusBackward();
assert_equals(document.activeElement.id, 'XMenu2');
assert_background_color('XMenu1', 'rgb(170, 170, 170)');
assert_background_color('XMenu2', 'rgb(204, 204, 204)');
assert_background_color('XMenu3', 'rgb(170, 170, 170)');
assert_background_color('XMenu4', 'rgb(170, 170, 170)');
await navigateFocusBackward();
await navigateFocusBackward();
await navigateFocusBackward();
assert_equals(document.activeElement.id, 'XMenu1');
assert_background_color('XMenu1', 'rgb(204, 204, 204)');
assert_background_color('XMenu2', 'rgb(170, 170, 170)');
assert_background_color('XMenu3', 'rgb(170, 170, 170)');
assert_background_color('XMenu4', 'rgb(170, 170, 170)');
}, 'crbug/474687 :focus style should properly be applied to shadow hosts.');
</script>