| // 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> list1 = <int>[1, 2, 3]; |
| List<int> list2 = const <int>[4, 5]; |
| List<String> list3 = <String>[]; |
| Set<int> set1 = new Set<int>(); |
| set1..add(11)..add(12)..add(13); |
| Set set2 = new Set(); |
| |
| Expect.equals(1, list1.first); |
| Expect.equals(4, list2.first); |
| Expect.throws(() => list3.first, (e) => e is StateError); |
| |
| Expect.isTrue(set1.contains(set1.first)); |
| |
| Expect.throws(() => set2.first, (e) => e is StateError); |
| } |