LibTest/core/Map/forEach_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.
 */
/**
 * @assertion  abstract void forEach(void f(K key, V value))
 * Applies f to each {key, value} pair of the map.
 * @description Checks that all mappings are iterated exactly once.
 * @author varlax
 */
library forEach_A01_t01;

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

test(Map create([Map content])) {
  
  List keys = new List(2);
  keys[0] = 0;
  keys[1] = 0;
  List values = new List(2);
  void f(var i, var value) {
    keys[i] += 1;
    values[i] = value;
  }
  
  Map map = create();
  map[0] = "3";
  map[1] = "5";
  map.forEach(f);
  
  Expect.isTrue(keys[0] == 1 && keys[1] == 1);
  Expect.isTrue(values[0] == "3" && values[1] == "5");
}