public void FindAll_CollectionEmpty()
		{
			Dictionary<int, int> dictionary = new Dictionary<int, int>();
			Dictionary<int, int> foundItems = dictionary.FindAll(new Predicate<KeyValuePair<int, int>>((kvp) => { return false; }));

			Assert.IsTrue(foundItems != null && foundItems.Count == 0);
		}
		public void FindAll_PredicateNull()
		{
			Dictionary<int, int> dictionary = new Dictionary<int,int>();
			dictionary.FindAll(null);
		}