blob: f0a57024dbaa584e061ae134ea5941429b4a29ac [file] [log] [blame]
// Copyright (c) 2017, 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.
/// @assertion final bool keys
/// @description Checks that [keys] return correct key list.
/// @author iarkh@unipro.ru
import "dart:collection";
import "../../../Utils/expect.dart";
import "unmodifiablemapbase.lib.dart";
main() {
UnmodifiableMapBase base = new UnmodifiableMapBaseImpl({});
Iterable a = base.keys;
Expect.isTrue(a.length == 0);
base = new UnmodifiableMapBaseImpl({"1" : 1, "2" : 2});
a = base.keys;
Expect.isTrue(a.length == 2);
Expect.isTrue(a.contains("1"));
Expect.isTrue(a.contains("2"));
}