lrn@google.com
9b23dff467
This reverts commit r17907. TBR. Review URL: https://codereview.chromium.org//12090093 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17918 260f80e4-7a28-3924-810f-c04153c831b5
50 lines
1.5 KiB
Dart
50 lines
1.5 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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List<int> list1 = <int>[1, 2, 3];
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List<int> list2 = const <int>[4, 5];
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List<String> list3 = <String>[];
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Set<int> set1 = new Set<int>();
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set1.addAll([11, 12, 13]);
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Set set2 = new Set();
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Iterable mapped = list1.map((x) => x + 1);
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Expect.listEquals([2, 3, 4], mapped.toList());
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mapped = mapped.map((x) => x + 1);
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Expect.listEquals([3, 4, 5], mapped.toList());
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mapped = list2.map((x) => x + 1);
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Expect.listEquals([5, 6], mapped.toList());
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mapped = mapped.map((x) => x + 1);
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Expect.listEquals([6, 7], mapped.toList());
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mapped = list3.map((x) => x + 1);
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Expect.listEquals([], mapped.toList());
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mapped = mapped.map((x) => x + 1);
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Expect.listEquals([], mapped.toList());
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var expected = new Set<int>()..addAll([12, 13, 14]);
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mapped = set1.map((x) => x + 1);
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Expect.isFalse(mapped is List);
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Expect.setEquals(expected, mapped.toSet());
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expected = new Set<int>()..addAll([13, 14, 15]);
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mapped = mapped.map((x) => x + 1);
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Expect.isFalse(mapped is List);
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Expect.setEquals(expected, mapped.toSet());
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mapped = set2.map((x) => x + 1);
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Expect.isFalse(mapped is List);
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Expect.listEquals([], mapped.toList());
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mapped = mapped.map((x) => x + 1);
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Expect.isFalse(mapped is List);
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Expect.listEquals([], mapped.toList());
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}
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