public void ItAddDiscount()
{
// Arrange
var rentPeriod = new DateRange(DateTime.Now.Date, DateTime.Now.Date.AddDays(1));
var productsToRent = new List <Product>
{
new Product {
Status = ProductStatus.Available, RentDailyPrice = 10, RentDailyLateFee = 1
}
};
var renter = new Renter();
var rent = new Rent(rentPeriod, productsToRent, renter);
// Act
rent.AddDiscount(5);
// Assert
Assert.Equal(5, rent.Discount);
}