System.Windows.Forms.Menu.MenuItemCollection.AddRange C# (CSharp) Method

			public virtual void AddRange (MenuItem[] items)
			{
				if (items == null)
					throw new ArgumentNullException ("items");

				foreach (MenuItem mi in items)
					Add (mi);
			}

        public void MenuItemCollection_AddRange_NullValueInItems_ThrowsArgumentNullException()
        {
            var menu       = new SubMenu(new MenuItem[0]);
            var collection = new Menu.MenuItemCollection(menu);

            Assert.Throws <ArgumentNullException>("item", () => collection.AddRange(new MenuItem[] { null }));
        }