<!doctype html> <!-- @license 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-selector-template-repeat</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0"> <script src="../../webcomponentsjs/webcomponents-lite.js"></script> <script src="../../web-component-tester/browser.js"></script> <link rel="import" href="../iron-selector.html"> <style> .iron-selected { background: #ccc; } </style> </head> <body> <template is="dom-bind"> <iron-selector id="selector" selected="1"> <template id="t" is="dom-repeat"> <div id$="[[item.name]]">{{item.name}}</div> </template> </iron-selector> </template> <script> suite('dom-repeat', function() { var scope, s, t; setup(function() { scope = document.querySelector('template[is="dom-bind"]'); s = scope.$.selector; t = scope.$.t; t.items = [{name:'item0'}, {name: 'item1'}, {name: 'item2'}, {name: 'item3'}]; }); teardown(function() { t.items = []; }); test('supports repeated items', function() { t.render(); // check items assert.equal(s.items.length, 4); // check selected assert.equal(s.selected, 1); // check selected item var item = s.selectedItem; assert.equal(s.items[1], item); // check selected class assert.isTrue(item.classList.contains('iron-selected')); }); test('update items', function() { t.render(); // check items assert.equal(s.items.length, 4); // check selected assert.equal(s.selected, 1); // update items t.items = [{name:'foo'}, {name: 'bar'}]; t.render(); // check items assert.equal(s.items.length, 2); // check selected (should still honor the selected) assert.equal(s.selected, 1); // check selected class assert.isTrue(s.querySelector('#bar').classList.contains('iron-selected')); }); test('set selected to something else', function() { t.render(); // set selected to something else s.selected = 3; // check selected item var item = s.selectedItem; assert.equal(s.items[3], item); // check selected class assert.isTrue(item.classList.contains('iron-selected')); }); }); </script> </body> </html>