LibTest/core/Map/operator_subscripted_assignment_A01_t02.test.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

/// @assertion Associates the [key] with the given [value].
/// @description Checks that null key is allowed.
/// @author msyabro

library operator_subscripted_assignment_A01_t01;
 
import "../../../Utils/expect.dart";
 
test(Map create([Map content])) {
  Map map = create();
  Expect.isFalse(map.containsKey(null));
  map[null] = null;
  Expect.isTrue(map.containsKey(null));
}