<!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 The complete set of authors may be found at http://polymer.github.io/AUTHORS The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS 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 --> <html> <head> <meta charset="UTF-8"> <title>iron-list test</title> <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> <script src="../../test-fixture/test-fixture-mocha.js"></script> <link rel="import" href="../../test-fixture/test-fixture.html"> <link rel="import" href="../../paper-styles/paper-styles.html"> <link rel="import" href="helpers.html"> <link rel="import" href="x-list.html"> </head> <body> <test-fixture id="trivialList"> <template> <x-list item-height="2" list-height="300"></x-list> </template> </test-fixture> <script> suite('dynamic physical count', function() { var list, container; setup(function() { container = fixture('trivialList'); list = container.list; }); test('increase pool size', function(done) { list.items = buildDataSet(1000); flush(function() { var lastItem = getLastItemFromList(list); var lastItemHeight = lastItem.offsetHeight; var expectedFinalItem = list.offsetHeight/lastItemHeight; assert.equal(lastItemHeight, 2); assert.equal(getLastItemFromList(list).textContent, expectedFinalItem); done(); }); }); test('increase pool size on resize', function(done) { list.items = buildDataSet(1000); flush(function() { // change the height of the list container.listHeight = 500; // resize list.fire('resize'); flush(function() { var lastItem = getLastItemFromList(list); var lastItemHeight = lastItem.offsetHeight; var expectedFinalItem = list.offsetHeight/lastItemHeight; assert.equal(lastItemHeight, 2); assert.equal(getLastItemFromList(list).textContent, expectedFinalItem); done(); }); }); }); }); </script> </body> </html>