public void TestEspresso2()
{
Beverage coffee = new Espresso();
// add caramel to Espresso
coffee = new CaramelBeverageDecorator(coffee);
Assert.Equal(3.65, coffee.getCost());
}
public void TestDecafCost3()
{
Beverage coffee = new Decaf();
// add soy and caramel to Decaf coffee object
coffee = new SoyBeverageDecorator(coffee);
coffee = new CaramelBeverageDecorator(coffee);
Assert.Equal(2, coffee.getCost());
}