<!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> <script src="../../iron-test-helpers/mock-interactions.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></x-list> </template> </test-fixture> <script> suite('Different heights', function() { var list, container; setup(function() { container = fixture('trivialList'); list = container.list; }); test('render without gaps 1', function(done) { list.items = [ {index: 0, height: 791}, {index: 1, height: 671} ]; flush(function() { list.push('items', {index: 2, height: 251}, {index: 3, height: 191}, {index: 4, height: 151}, {index: 5, height: 191}, {index: 6, height: 51}, {index: 7, height: 51}, {index: 8, height: 51} ); list.addEventListener('scroll', function() { assert.isTrue(isFullOfItems(list)); }); simulateScroll({ list: list, contribution: 15, target: 100000 }, function() { done(); }); }); }); test('render without gaps 2', function(done) { var height = 2, items = []; while (items.length < 15) { items.push({height: height}); height *= 1.5; } list.items = items; flush(function() { list.addEventListener('scroll', function() { assert.isTrue(isFullOfItems(list)); }); simulateScroll({ list: list, contribution: 20, target: 100000 }, function() { done(); }); }); }); test('render without gaps 3', function(done) { var heights = [20, 100, 140, 117, 800, 50, 15, 80, 90, 255, 20, 15, 19, 250, 314]; list.items = heights.map(function(height) { return {height: height}; }); flush(function() { list.addEventListener('scroll', function() { assert.isTrue(isFullOfItems(list)); }); simulateScroll({ list: list, contribution: 20, target: 100000 }, function() { done(); }); }); }); }); </script> </body> </html>