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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
| 5 library queue.single.test; |
| 6 import 'dart:collection' show Queue; |
| 7 |
5 main() { | 8 main() { |
6 Queue<int> queue1 = new Queue<int>(); | 9 Queue<int> queue1 = new Queue<int>(); |
7 queue1.add(42); | 10 queue1.add(42); |
8 Queue queue2 = new Queue(); | 11 Queue queue2 = new Queue(); |
9 queue2..add(11) | 12 queue2..add(11) |
10 ..add(12) | 13 ..add(12) |
11 ..add(13); | 14 ..add(13); |
12 Queue queue3 = new Queue(); | 15 Queue queue3 = new Queue(); |
13 | 16 |
14 Expect.equals(42, queue1.single); | 17 Expect.equals(42, queue1.single); |
15 Expect.throws(() => queue2.single, (e) => e is StateError); | 18 Expect.throws(() => queue2.single, (e) => e is StateError); |
16 Expect.throws(() => queue3.single, (e) => e is StateError); | 19 Expect.throws(() => queue3.single, (e) => e is StateError); |
17 } | 20 } |
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