|  | <!DOCTYPE html> | 
|  | <!-- | 
|  | @license | 
|  | Copyright (C) 2016 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. | 
|  | --> | 
|  |  | 
|  | <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes"> | 
|  | <title>gr-select</title> | 
|  |  | 
|  | <script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script> | 
|  |  | 
|  | <script src="/bower_components/webcomponentsjs/webcomponents-lite.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="gr-select.html"> | 
|  |  | 
|  | <script>void(0);</script> | 
|  |  | 
|  | <test-fixture id="basic"> | 
|  | <template> | 
|  | <gr-select> | 
|  | <select> | 
|  | <option value="1">One</option> | 
|  | <option value="2">Two</option> | 
|  | <option value="3">Three</option> | 
|  | </select> | 
|  | </gr-select> | 
|  | </template> | 
|  | </test-fixture> | 
|  |  | 
|  | <test-fixture id="noOptions"> | 
|  | <template> | 
|  | <gr-select> | 
|  | <select> | 
|  | </select> | 
|  | </gr-select> | 
|  | </template> | 
|  | </test-fixture> | 
|  |  | 
|  | <script> | 
|  | suite('gr-select tests', () => { | 
|  | let element; | 
|  |  | 
|  | setup(() => { | 
|  | element = fixture('basic'); | 
|  | }); | 
|  |  | 
|  | test('bindValue must be set to the first option value', () => { | 
|  | assert.equal(element.bindValue, '1'); | 
|  | }); | 
|  |  | 
|  | test('value of 0 should still trigger value updates', () => { | 
|  | element.bindValue = 0; | 
|  | assert.equal(element.nativeSelect.value, 0); | 
|  | }); | 
|  |  | 
|  | test('bidirectional binding property-to-attribute', () => { | 
|  | const changeStub = sinon.stub(); | 
|  | element.addEventListener('bind-value-changed', changeStub); | 
|  |  | 
|  | // The selected element should be the first one by default. | 
|  | assert.equal(element.nativeSelect.value, '1'); | 
|  | assert.equal(element.bindValue, '1'); | 
|  | assert.isFalse(changeStub.called); | 
|  |  | 
|  | // Now change the value. | 
|  | element.bindValue = '2'; | 
|  |  | 
|  | // It should be updated. | 
|  | assert.equal(element.nativeSelect.value, '2'); | 
|  | assert.equal(element.bindValue, '2'); | 
|  | assert.isTrue(changeStub.called); | 
|  | }); | 
|  |  | 
|  | test('bidirectional binding attribute-to-property', () => { | 
|  | const changeStub = sinon.stub(); | 
|  | element.addEventListener('bind-value-changed', changeStub); | 
|  |  | 
|  | // The selected element should be the first one by default. | 
|  | assert.equal(element.nativeSelect.value, '1'); | 
|  | assert.equal(element.bindValue, '1'); | 
|  | assert.isFalse(changeStub.called); | 
|  |  | 
|  | // Now change the value. | 
|  | element.nativeSelect.value = '3'; | 
|  | element.fire('change'); | 
|  |  | 
|  | // It should be updated. | 
|  | assert.equal(element.nativeSelect.value, '3'); | 
|  | assert.equal(element.bindValue, '3'); | 
|  | assert.isTrue(changeStub.called); | 
|  | }); | 
|  | }); | 
|  |  | 
|  | suite('gr-select no options tests', () => { | 
|  | let element; | 
|  |  | 
|  | setup(() => { | 
|  | element = fixture('noOptions'); | 
|  | }); | 
|  |  | 
|  | test('bindValue must not be changed', () => { | 
|  | assert.isUndefined(element.bindValue); | 
|  | }); | 
|  | }); | 
|  | </script> |