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 // Copyright (c) 2013, 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 list1 = [1, 2, 3]; List list2 = const [4, 5]; List list3 = []; Set set1 = new Set(); set1.addAll([11, 12, 13]); Set set2 = new Set(); Iterable mapped = list1.map((x) => x + 1); Expect.listEquals([2, 3, 4], mapped.toList()); mapped = mapped.map((x) => x + 1); Expect.listEquals([3, 4, 5], mapped.toList()); mapped = list2.map((x) => x + 1); Expect.listEquals([5, 6], mapped.toList()); mapped = mapped.map((x) => x + 1); Expect.listEquals([6, 7], mapped.toList()); mapped = list3.map((x) => x + 1); Expect.listEquals([], mapped.toList()); mapped = mapped.map((x) => x + 1); Expect.listEquals([], mapped.toList()); var expected = new Set()..addAll([12, 13, 14]); mapped = set1.map((x) => x + 1); Expect.isFalse(mapped is List); Expect.setEquals(expected, mapped.toSet()); expected = new Set()..addAll([13, 14, 15]); mapped = mapped.map((x) => x + 1); Expect.isFalse(mapped is List); Expect.setEquals(expected, mapped.toSet()); mapped = set2.map((x) => x + 1); Expect.isFalse(mapped is List); Expect.listEquals([], mapped.toList()); mapped = mapped.map((x) => x + 1); Expect.isFalse(mapped is List); Expect.listEquals([], mapped.toList()); }