LibTest/collection/SplayTreeMap/containsKey_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 bool containsKey(Object key)
/// Returns whether this map contains the given [key].
/// @description Checks that [null] key is not allowed
/// @author msyabro

library containsKey_A01_t02;

import "../../../Utils/expect.dart";

test(Map create([Map content])) {
  Map map = create();
  Expect.throws(() { map[null] = "not null"; });
}