| // Copyright (c) 2017, 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 abstract Map<int, E> asMap() |
| /// The [Map.keys] [Iterable] iterates the indices of this list in numerical |
| /// order. |
| /// @description Checks that [Map.keys] iterates the indices of this list in |
| /// numerical order. |
| /// @author iarkh@unipro.ru |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List a0) { |
| UnmodifiableListView a = new UnmodifiableListView(a0); |
| var map = a.asMap(); |
| |
| int key1 = 0; |
| Iterator keys2 = map.keys.iterator; |
| |
| for (; ;) { |
| if (key1 == a.length) { |
| Expect.isFalse(keys2.moveNext()); |
| break; |
| } |
| Expect.isTrue(keys2.moveNext()); |
| Expect.equals(key1, keys2.current); |
| key1++; |
| } |
| } |
| |
| main() { |
| List a = new List.empty(growable: true); |
| check(a); |
| a.add(2); |
| check(a); |
| a.add(1); |
| check(a); |
| a.add(1); |
| check(a); |
| a.add("1"); |
| check(a); |
| a.clear(); |
| check(a); |
| } |