floitsch@google.com
343fa26d65
Review URL: https://codereview.chromium.org//13724021 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21079 260f80e4-7a28-3924-810f-c04153c831b5
36 lines
1.2 KiB
Dart
36 lines
1.2 KiB
Dart
// 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, 6];
|
|
List<String> list3 = <String>[];
|
|
Set<int> set1 = new Set<int>();
|
|
set1..add(11)
|
|
..add(12)
|
|
..add(13);
|
|
Set set2 = new Set();
|
|
|
|
Expect.equals(2, list1.singleWhere((x) => x.isEven));
|
|
Expect.equals(3, list1.singleWhere((x) => x == 3));
|
|
Expect.throws(() => list1.singleWhere((x) => x.isOdd),
|
|
(e) => e is StateError);
|
|
|
|
Expect.equals(6, list2.singleWhere((x) => x == 6));
|
|
Expect.equals(5, list2.singleWhere((x) => x.isOdd));
|
|
Expect.throws(() => list2.singleWhere((x) => x.isEven),
|
|
(e) => e is StateError);
|
|
|
|
Expect.throws(() => list3.singleWhere((x) => x == 0),
|
|
(e) => e is StateError);
|
|
|
|
Expect.equals(12, set1.singleWhere((x) => x.isEven));
|
|
Expect.equals(11, set1.singleWhere((x) => x == 11));
|
|
Expect.throws(() => set1.singleWhere((x) => x.isOdd));
|
|
|
|
Expect.throws(() => set2.singleWhere((x) => true), (e) => e is StateError);
|
|
}
|