static void TestGetProductData() // criar um banco de dados para armazenar os cadastros!
{
var newRegister = new ProductStock();
var xBurger = new RegisterNewProduct(1, "X-Burger", "Delicious burger", 18.50, ProductType.Food);
var drinkBeer = new RegisterNewProduct(2, "Duff Beer", "Pure malt beer", 9.72, ProductType.Drink);
var xEgg = new RegisterNewProduct(3, "X-Egg", "Delicious Eggs with cheese", 15.50, ProductType.Food);
newRegister.AddNewProduct(xBurger);
newRegister.AddNewProduct(drinkBeer);
newRegister.AddNewProduct(xEgg);
newRegister.DisplayStock();
}