static void Main(string[] args)
{
#region Sandwich
SandwichBase mySandwich = new VeggieSandwich();
Console.WriteLine(mySandwich.GetPrice());
Console.WriteLine(mySandwich.GetDescription());
mySandwich = new Cheese(mySandwich);
Console.WriteLine(mySandwich.GetPrice());
Console.WriteLine(mySandwich.GetDescription());
mySandwich = new Olives(mySandwich);
Console.WriteLine(mySandwich.GetPrice());
Console.WriteLine(mySandwich.GetDescription());
#endregion
#region Pizza
var pizza = new PizzaBase();
pizza = new OlivesDecorator(pizza);
pizza = new MushroomsDecorator(pizza);
pizza = new PepperoniDecorator(pizza);
pizza = new PineappleDecorator(pizza);
Console.WriteLine($"Pizza Description: {pizza.Description}");
#endregion
}
public void Allow_Being_Decorated_With_Cheese()
{
Pizza largePizza = new LargePizza();
largePizza = new Cheese(largePizza);
Assert.Equal("Large Pizza, Cheese", largePizza.GetDescription());
Assert.Equal(10.25m, largePizza.CalculateCost());
}
public static void Bake()
{
Pizza pizza = new LargePizza();
Console.WriteLine($"{pizza.CalculateCost()}EUR for {pizza.GetDescription()}");
pizza = new Ham(pizza);
Console.WriteLine($"{pizza.CalculateCost()}EUR for {pizza.GetDescription()}");
pizza = new Cheese(pizza);
Console.WriteLine($"{pizza.CalculateCost()}EUR for {pizza.GetDescription()}");
pizza = new Corn(pizza);
Console.WriteLine($"{pizza.CalculateCost()}EUR for {pizza.GetDescription()}");
pizza = new Cheese(pizza);
Console.WriteLine($"{pizza.CalculateCost()}EUR for {pizza.GetDescription()}");
}
public void Test()
{
// Arrange
IPizza pizza = new LargePizza();
pizza = new Cheese(pizza);
pizza = new Ham(pizza);
pizza = new Cheese(pizza);
// Act
var description = pizza.GetDescription();
var cost = pizza.CalculateCost();
// Assert
Assert.AreEqual("Large Pizza, Cheese, Ham, Cheese", description);
Assert.AreEqual(12.5, cost);
// Analysis
Console.WriteLine(description);
Console.WriteLine("{0:C2}", cost);
}
public void DoWork()
{
//客人訂了一份土司，不需要配料，列出他的價格與描述
IBreakfast bf1 = new Toast();
Console.WriteLine("餐點：{0} 價格：{1}", bf1.GetDescription(), bf1.GetCost());
//客人訂了一份貝果，要加"雙倍"火腿，列出他的價格與描述
IBreakfast bf2 = new Bego();
bf2 = new Ham(bf2);
bf2 = new Ham(bf2);
Console.WriteLine("餐點：{0} 價格：{1}", bf2.GetDescription(), bf2.GetCost());
//客人訂了一份漢堡，要加牛肉 生菜 起司，列出他的價格與描述
IBreakfast bf3 = new Hamburger();
bf3 = new Beef(bf3);
bf3 = new Lettuce(bf3);
bf3 = new Cheese(bf3);
Console.WriteLine("餐點：{0} 價格：{1}", bf3.GetDescription(), bf3.GetCost());
}