| // Copyright (c) 2013, 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. |
| |
| /// @assertion const IterableBase() |
| /// This class implements all methods of [Iterable] except [Iterable.iterator] |
| /// in terms of iterator. |
| /// @description Checks that this class implements all methods of [Iterable] |
| /// except [Iterable.iterator] |
| /// @author kaigorodov |
| |
| import "dart:collection"; |
| import "../../core/Iterable/allTests.lib.dart" as iterator_tests; |
| |
| test(Iterable create([Iterable? content]), {bool isSet:false}) { |
| iterator_tests.test(create, isSet:isSet); |
| } |
| |
| class MyIterable extends IterableBase { |
| List _content; |
| |
| MyIterable(): _content = new List.empty(growable: true); |
| |
| MyIterable.from(Iterable content): _content = new List.from(content); |
| |
| Iterator get iterator { |
| return _content.iterator; |
| } |
| } |
| |
| IterableBase create([Iterable? content]) { |
| if (content == null) { |
| return new MyIterable(); |
| } else { |
| return new MyIterable.from(content); |
| } |
| } |
| |
| main() { |
| test(create); |
| } |