LibTest/collection/SplayTreeMap/forEach_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  abstract void forEach(void f(K key, V value))
/// Applies [f] to each {key, value} pair of the map.
/// @description Checks that something is thrown when the argument is [null] or
/// has a type that is incompatible with the required function type.

library forEach_A01_t02;

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

test(Map create([Map content])) {
  dynamic map = create();
  dynamic x = 1;
  
  map["1"] = 3;
  map["2"] = 5;
  
  Expect.throws(() => map.forEach(null));
  Expect.throws(() => map.forEach(x));
}