<!doctype html> <!-- Copyright (c) 2015 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of the polymer project is also subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt --> <html> <head> <title>iron-collapse-horizontal</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <script src="../../webcomponentsjs/webcomponents-lite.js"></script> <script src="../../web-component-tester/browser.js"></script> <script src="../../test-fixture/test-fixture-mocha.js"></script> <link rel="import" href="../../test-fixture/test-fixture.html"> <link rel="import" href="../iron-collapse.html"> </head> <body> <test-fixture id="test"> <template> <iron-collapse id="collapse" opened horizontal> <div style="width:100px;"> Lorem ipsum </div> </iron-collapse> </template> </test-fixture> <script> suite('horizontal', function() { var collapse; var collapseWidth; setup(function () { collapse = fixture('test'); collapseWidth = getComputedStyle(collapse).width; }); test('opened attribute', function() { assert.equal(collapse.opened, true); }); test('horizontal attribute', function() { assert.equal(collapse.horizontal, true); }); test('default opened width', function() { assert.equal(collapse.style.width, 'auto'); }); test('set opened to false, then to true', function(done) { // This listener will be triggered twice (every time `opened` changes). collapse.addEventListener('transitionend', function() { if (collapse.opened) { // Check finalSize after animation is done. assert.equal(collapse.style.width, 'auto'); done(); } else { // Check if size is still 0px. assert.equal(collapse.style.width, '0px'); // Trigger 2nd toggle. collapse.opened = true; // Size should be immediately set. assert.equal(collapse.style.width, collapseWidth); } }); // Trigger 1st toggle. collapse.opened = false; // Size should be immediately set. assert.equal(collapse.style.width, '0px'); }); }); </script> </body> </html>