dart-sdk/tests/corelib_2/map_values2_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

56 lines
1.9 KiB
Dart

// Copyright (c) 2011, 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() {
var map1 = <String, int>{"foo": 42, "bar": 499};
var map2 = <String, int>{};
var map3 = const <String, int>{"foo": 42, "bar": 499};
var map4 = const <String, int>{};
var map5 = new Map<String, int>();
map5["foo"] = 43;
map5["bar"] = 500;
var map6 = new Map<String, int>();
Expect.isTrue(map1.values is Iterable<int>);
Expect.isFalse(map1.values is Iterable<bool>);
Expect.isFalse(map1.values is List);
Expect.equals(2, map1.values.length);
Expect.equals(42, map1.values.first);
Expect.equals(499, map1.values.last);
Expect.isTrue(map2.values is Iterable<int>);
Expect.isFalse(map2.values is Iterable<bool>);
Expect.isFalse(map2.values is List);
Expect.equals(0, map2.values.length);
Expect.isTrue(map3.values is Iterable<int>);
Expect.isFalse(map3.values is Iterable<bool>);
Expect.isFalse(map3.values is List);
Expect.equals(2, map3.values.length);
Expect.equals(42, map3.values.first);
Expect.equals(499, map3.values.last);
Expect.isTrue(map4.values is Iterable<int>);
Expect.isFalse(map4.values is Iterable<bool>);
Expect.isFalse(map4.values is List);
Expect.equals(0, map4.values.length);
Expect.isTrue(map5.values is Iterable<int>);
Expect.isFalse(map5.values is Iterable<bool>);
Expect.isFalse(map5.values is List);
Expect.equals(2, map5.values.length);
// new Map gives a LinkedHashMap, so we know the order.
Expect.isTrue(map5.values.first == 43);
Expect.isTrue(map5.values.last == 500);
Expect.isTrue(map6.values is Iterable<int>);
Expect.isFalse(map6.values is Iterable<bool>);
Expect.isFalse(map6.values is List);
Expect.equals(0, map6.values.length);
}