| // Copyright (c) 2012, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| List<int> list1a = <int>[1]; |
| List<int> list1b = <int>[1, 2, 3]; |
| List<int> list1c = <int>[]; |
| List<int> list2a = const <int>[5]; |
| List<int> list2b = const <int>[4, 5]; |
| List<int> list2c = const <int>[]; |
| Set<int> set1 = new Set<int>(); |
| set1..add(22); |
| Set set2 = new Set(); |
| set2..add(11) |
| ..add(12) |
| ..add(13); |
| Set set3 = new Set(); |
| |
| Expect.equals(1, list1a.single); |
| Expect.throws(() => list1b.single, (e) => e is StateError); |
| Expect.throws(() => list1c.single, (e) => e is StateError); |
| |
| Expect.equals(5, list2a.single); |
| Expect.throws(() => list2b.single, (e) => e is StateError); |
| Expect.throws(() => list2c.single, (e) => e is StateError); |
| |
| Expect.equals(22, set1.single); |
| Expect.throws(() => set2.single, (e) => e is StateError); |
| Expect.throws(() => set3.single, (e) => e is StateError); |
| } |