LibTest/core/Map/containsKey_A01_t01.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 Returns whether this map contains the given [key].
/// @description Check that the method returns true if this map contains a
/// mapping for the specified key.
/// @author msyabro

library containsKey_A01_t01;

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

test(Map create([Map content])) {
  Map map = create();
  
  Expect.isTrue(!map.containsKey(""));
  map["1"] = 1;
  Expect.isTrue(map.containsKey("1"));
  Expect.isTrue(!map.containsKey("2"));
}