Index: lib/src/iron-list/test/different-heights.html |
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+<!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> |