dart-sdk/tests/corelib/map_keys2_test.dart
Robert Nystrom 02a8b015ad Migrate corelib tests starting with "j" to "q" to NNBD.
Change-Id: I1783f624c7ce7d3b962c301c27ac0f4422d7c28f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126824
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2019-12-10 01:17:24 +00:00

35 lines
1.1 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.
import "package:expect/expect.dart";
main() {
var map1 = {"foo": 42, "bar": 499};
var map2 = {};
var map3 = const {"foo": 42, "bar": 499};
var map4 = const {};
var map5 = new Map<String, int>();
map5["foo"] = 43;
map5["bar"] = 500;
var map6 = new Map<String, bool>();
Expect.isTrue(map1.keys is Iterable<String>);
Expect.isFalse(map1.keys is Iterable<bool>);
Expect.isFalse(map2.keys is Iterable<String>);
Expect.isFalse(map2.keys is Iterable<bool>);
Expect.isTrue(map3.keys is Iterable<String>);
Expect.isFalse(map3.keys is Iterable<bool>);
Expect.isFalse(map4.keys is Iterable<String>);
Expect.isFalse(map4.keys is Iterable<bool>);
Expect.isTrue(map5.keys is Iterable<String>);
Expect.isFalse(map5.keys is Iterable<bool>);
Expect.isTrue(map6.keys is Iterable<String>);
Expect.isFalse(map6.keys is Iterable<bool>);
}