static void Main(string[] args)
{
//Physical Product Use Case
var PhysicalProductPayment = new PhysicalProduct();
Console.WriteLine(PhysicalProductPayment.ApplyRules());
//Book Use case
var BookPayment = new Book();
Console.WriteLine(BookPayment.ApplyRules());
//Membership use case
var MembershipPayment = new Membership();
Console.WriteLine(MembershipPayment.ApplyRules("Activation"));
//Video use case
var VideoPayment = new Video("Learning to Ski");
Console.WriteLine(VideoPayment.ApplyRules());
Console.ReadKey();
}
public void IfPaymentIsMembershipUpgrade()
{
IEntity Product = new Membership();
Assert.Equal(new MembershipUpgrade().RuleImplementation(), Product.ApplyRules("Upgrade"));
}