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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 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. |
| 4 |
| 5 import "package:expect/expect.dart"; |
| 6 |
| 7 main() { |
| 8 List<int> list1 = <int>[1, 2, 3]; |
| 9 List<int> list2 = const <int>[4, 5]; |
| 10 List<String> list3 = <String>[]; |
| 11 Set<int> set1 = new Set<int>(); |
| 12 set1.addAll([11, 12, 13]); |
| 13 Set set2 = new Set(); |
| 14 |
| 15 Iterable mapped = list1.map((x) => x + 1); |
| 16 Expect.listEquals([2, 3, 4], mapped.toList()); |
| 17 |
| 18 mapped = mapped.map((x) => x + 1); |
| 19 Expect.listEquals([3, 4, 5], mapped.toList()); |
| 20 |
| 21 mapped = list2.map((x) => x + 1); |
| 22 Expect.listEquals([5, 6], mapped.toList()); |
| 23 |
| 24 mapped = mapped.map((x) => x + 1); |
| 25 Expect.listEquals([6, 7], mapped.toList()); |
| 26 |
| 27 mapped = list3.map((x) => x + 1); |
| 28 Expect.listEquals([], mapped.toList()); |
| 29 |
| 30 mapped = mapped.map((x) => x + 1); |
| 31 Expect.listEquals([], mapped.toList()); |
| 32 |
| 33 var expected = new Set<int>()..addAll([12, 13, 14]); |
| 34 mapped = set1.map((x) => x + 1); |
| 35 Expect.isFalse(mapped is List); |
| 36 Expect.setEquals(expected, mapped.toSet()); |
| 37 |
| 38 expected = new Set<int>()..addAll([13, 14, 15]); |
| 39 mapped = mapped.map((x) => x + 1); |
| 40 Expect.isFalse(mapped is List); |
| 41 Expect.setEquals(expected, mapped.toSet()); |
| 42 |
| 43 mapped = set2.map((x) => x + 1); |
| 44 Expect.isFalse(mapped is List); |
| 45 Expect.listEquals([], mapped.toList()); |
| 46 |
| 47 mapped = mapped.map((x) => x + 1); |
| 48 Expect.isFalse(mapped is List); |
| 49 Expect.listEquals([], mapped.toList()); |
| 50 |
| 51 } |
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