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| Copyright (C) 2018 The Android Open Source Project |
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| Licensed under the Apache License, Version 2.0 (the "License"); |
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| |
| <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes"> |
| <title>dom-util-behavior</title> |
| |
| <script src="../../bower_components/webcomponentsjs/webcomponents.min.js"></script> |
| <script src="../../bower_components/web-component-tester/browser.js"></script> |
| <link rel="import" href="../../test/common-test-setup.html"/> |
| <link rel="import" href="dom-util-behavior.html"> |
| |
| <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> |
| suite('dom-util-behavior tests', () => { |
| let element; |
| let divs; |
| |
| suiteSetup(() => { |
| // Define a Polymer element that uses this behavior. |
| Polymer({ |
| is: 'test-element', |
| _legacyUndefinedCheck: true, |
| behaviors: [Gerrit.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> |
