static void Main(string[] args)
{
var orderProcessor = new OrderProcessor(new ShippingCalculator());
var order = new Order {
DatePlaced = DateTime.Now, TotalPrice = 100f
};
orderProcessor.Process(order);
Console.WriteLine("=========================================================================");
Console.WriteLine("In order to unit test a class, we need to isolate it.\n");
Console.WriteLine("So in order to test the OrderProcessor class,");
Console.WriteLine("it has to be isolated from the concrete ShippingCalculator class.\n");
Console.WriteLine("It can be loosely coupled with the IShippingCalculator interface instead.");
Console.WriteLine("=========================================================================");
}
static void Main(string[] args)
{
var orderProcessor = new OrderProcessor(new ShippingCalculator());
var order = new Order {DatePlaced = DateTime.Now, TotalPrice = 100f};
orderProcessor.Process(order);
}