LibTest/collection/UnmodifiableMapView/forEach_A01_t05.test.dart

// 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.

// @dart = 2.9

/// @assertion void forEach(void action(K key, V value))
/// Applies [f] to each key-value pair of the map.
/// @description Checks nested [forEach].
/// @author iarkh@unipro.ru

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

main() {
  UnmodifiableMapView view = new UnmodifiableMapView({1 : 3, "2" : 5});

  int count = 0;
  view.forEach((var key1, Object value1) {
    view.forEach((var key2, Object value2) {
      view.forEach((var key3, Object value3) {
        count++;
      });
    });
  });
  Expect.isTrue(count == 8);
}