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| @license |
| Copyright (C) 2018 The Android Open Source Project |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
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| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
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| |
| <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes"> |
| <meta charset="utf-8"> |
| <title>dom-util-behavior</title> |
| |
| <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script> |
| |
| <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script> |
| <script src="/components/wct-browser-legacy/browser.js"></script> |
| <test-fixture id="nested-structure"> |
| <template> |
| <test-element></test-element> |
| <div> |
| <div class="a"> |
| <div class="b"> |
| <div class="c"></div> |
| </div> |
| </div> |
| </div> |
| </template> |
| </test-fixture> |
| |
| <script type="module"> |
| import '../../test/common-test-setup.js'; |
| import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js'; |
| import {DomUtilBehavior} from './dom-util-behavior.js'; |
| suite('dom-util-behavior tests', () => { |
| let element; |
| let divs; |
| |
| suiteSetup(() => { |
| // Define a Polymer element that uses this behavior. |
| Polymer({ |
| is: 'test-element', |
| behaviors: [DomUtilBehavior], |
| }); |
| }); |
| |
| setup(() => { |
| const testDom = fixture('nested-structure'); |
| element = testDom[0]; |
| divs = testDom[1]; |
| }); |
| |
| test('descendedFromClass', () => { |
| // .c is a child of .a and not vice versa. |
| assert.isTrue(element.descendedFromClass(divs.querySelector('.c'), 'a')); |
| assert.isFalse(element.descendedFromClass(divs.querySelector('.a'), 'c')); |
| |
| // Stops at stop element. |
| assert.isFalse(element.descendedFromClass(divs.querySelector('.c'), 'a', |
| divs.querySelector('.b'))); |
| }); |
| }); |
| </script> |
