blob: 5c6f30006d89700ab44271b2492cc2e3997d4605 [file] [log] [blame]
// 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.
// @dart = 2.9
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.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); //# 01: compile-time error
Expect.listEquals([], mapped.toList()); //# 01: continued
mapped = mapped.map((x) => x + 1); //# 01: continued
Expect.listEquals([], mapped.toList()); //# 01: continued
var expected = new Set<int>()..addAll([12, 13, 14]);
mapped = set1.map((x) => x + 1);
Expect.isFalse(mapped is List);
Expect.setEquals(expected, mapped.toSet());
expected = new Set<int>()..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());
}