public void Exception_On_Calculate_With_Null()
{
var menu = new List <Item>();
menu.Add(new Item {
Name = "Cola", Price = (decimal)0.5, Category = ItemCategory.Drink, Temperature = ItemTemperature.Cold
});
menu.Add(new Item {
Name = "Coffee", Price = (decimal)1, Category = ItemCategory.Drink, Temperature = ItemTemperature.Hot
});
menu.Add(new Item {
Name = "Cheese Sandwich", Price = (decimal)2, Category = ItemCategory.Food, Temperature = ItemTemperature.Cold
});
menu.Add(new Item {
Name = "Steak Sandwich", Price = (decimal)4.5, Category = ItemCategory.Food, Temperature = ItemTemperature.Hot
});
var sut = new SurchargeCalculator(menu);
ArgumentNullException ex = Assert.Throws <ArgumentNullException>(() => sut.Calculate(0, null));
Assert.Equal("order", ex.ParamName);
}
public void Order_Cold_Food_With_Roundup(string[] order, decimal expectedValue)
{
var menu = new List <Item>();
menu.Add(new Item {
Name = "Cola", Price = (decimal)0.5, Category = ItemCategory.Drink, Temperature = ItemTemperature.Cold
});
menu.Add(new Item {
Name = "Coffee", Price = (decimal)1, Category = ItemCategory.Drink, Temperature = ItemTemperature.Hot
});
menu.Add(new Item {
Name = "Cheese Sandwich", Price = (decimal)2, Category = ItemCategory.Food, Temperature = ItemTemperature.Cold
});
menu.Add(new Item {
Name = "Steak Sandwich", Price = (decimal)4.5, Category = ItemCategory.Food, Temperature = ItemTemperature.Hot
});
var sut = new SurchargeCalculator(menu);
var result = sut.Calculate((decimal)10.01, order);
Assert.Equal(expectedValue, result);
}