Index: test/iron_list_different_heights_test.dart |
diff --git a/test/iron_list_different_heights_test.dart b/test/iron_list_different_heights_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..33e509157ef2c4e6dca40d824b237207ebabaa79 |
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+++ b/test/iron_list_different_heights_test.dart |
@@ -0,0 +1,117 @@ |
+// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+@TestOn('browser') |
+library polymer_elements.test.iron_list_different_heights_test; |
+ |
+import 'dart:async'; |
+import 'dart:js'; |
+import 'package:polymer_elements/iron_list.dart'; |
+import 'package:polymer/polymer.dart'; |
+import 'package:test/test.dart'; |
+import 'package:web_components/web_components.dart'; |
+import 'common.dart'; |
+import 'iron_list_test_helpers.dart'; |
+import 'fixtures/x_list.dart'; |
+ |
+/// Uses [XList]. |
+main() async { |
+ await initPolymer(); |
+ |
+ group('Different heights', () { |
+ IronList list; |
+ XList container; |
+ |
+ setUp(() { |
+ container = fixture('trivialList'); |
+ list = container.list; |
+ }); |
+ |
+ test('render without gaps 1', () async { |
+ list.items = [ |
+ {'index': 0, 'height': 791}, |
+ {'index': 1, 'height': 671} |
+ ]; |
+ |
+ await wait(1); |
+ list.addAll('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.on['scroll'].first.then((_) { |
+ expect(isFullOfItems(list), isTrue); |
+ }); |
+ |
+ var done = new Completer(); |
+ simulateScroll({'list': list, 'contribution': 15, 'target': 100000}, (_) { |
+ done.complete(); |
+ }); |
+ |
+ return done.future; |
+ }); |
+ |
+ test('render without gaps 2', () async { |
+ var height = 2, items = []; |
+ |
+ while (items.length < 15) { |
+ items.add({'height': height}); |
+ height *= 1.5; |
+ } |
+ list.items = items; |
+ |
+ await wait(1); |
+ list.on['scroll'].first.then((_) { |
+ expect(isFullOfItems(list), isTrue); |
+ }); |
+ |
+ var done = new Completer(); |
+ simulateScroll({'list': list, 'contribution': 20, 'target': 100000}, (_) { |
+ done.complete(); |
+ }); |
+ |
+ return done.future; |
+ }); |
+ |
+ test('render without gaps 3', () async { |
+ var heights = [ |
+ 20, |
+ 100, |
+ 140, |
+ 117, |
+ 800, |
+ 50, |
+ 15, |
+ 80, |
+ 90, |
+ 255, |
+ 20, |
+ 15, |
+ 19, |
+ 250, |
+ 314 |
+ ]; |
+ |
+ list.items = heights.map((height) { |
+ return {'height': height}; |
+ }).toList(); |
+ |
+ await wait(1); |
+ list.on['scroll'].first.then((_) { |
+ expect(isFullOfItems(list), isTrue); |
+ }); |
+ |
+ var done = new Completer(); |
+ simulateScroll({'list': list, 'contribution': 20, 'target': 100000}, (_) { |
+ done.complete(); |
+ }); |
+ |
+ return done.future; |
+ }); |
+ }); |
+} |