| /** |
| * @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 |
| * |
| * 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 |
| * limitations under the License. |
| */ |
| |
| import '../../test/common-test-setup-karma.js'; |
| import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js'; |
| import {DomUtilBehavior} from './dom-util-behavior.js'; |
| import {html} from '@polymer/polymer/lib/utils/html-tag.js'; |
| |
| const nestedStructureFixture = fixtureFromTemplate(html` |
| <dom-util-behavior-test-element></dom-util-behavior-test-element> |
| <div> |
| <div class="a"> |
| <div class="b"> |
| <div class="c"></div> |
| </div> |
| </div> |
| </div> |
| `); |
| |
| suite('dom-util-behavior tests', () => { |
| let element; |
| let divs; |
| |
| suiteSetup(() => { |
| // Define a Polymer element that uses this behavior. |
| Polymer({ |
| is: 'dom-util-behavior-test-element', |
| behaviors: [DomUtilBehavior], |
| }); |
| }); |
| |
| setup(() => { |
| const testDom = nestedStructureFixture.instantiate(); |
| 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'))); |
| }); |
| }); |
| |