public void Clear_cart()
{
priceCalc.addBook(new Book(1));
priceCalc.Clear();
Assert.AreEqual(0M, priceCalc.OrderPrice());
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to the Harry Potter Book Pricing Application!");
string s = "";
var priceCalc = new PriceCalculator();
while (s != "q")
{
Console.WriteLine("To add a book, enter a number from 1 to 5");
Console.WriteLine("To clear your cart, press c");
Console.WriteLine("To quit, press q.");
s = Console.ReadLine();
switch (s.ToLower())
{
case "1":
priceCalc.addBook(new Book(1));
break;
case "2":
priceCalc.addBook(new Book(2));
break;
case "3":
priceCalc.addBook(new Book(3));
break;
case "4":
priceCalc.addBook(new Book(4));
break;
case "5":
priceCalc.addBook(new Book(5));
break;
case "c":
priceCalc.Clear();
break;
case "q":
Environment.Exit(0);
break;
default:
Console.WriteLine("Sorry, I didn't understand that.");
break;
}
Console.WriteLine("");
var orderPrice = priceCalc.OrderPrice().ToString("N2");
Console.WriteLine($@"Your total thus far is: {orderPrice} EUR");
Console.WriteLine("");
}
}