public void NoBooksCostZero()
{
var price = PotterBooks.CalculatePriceFor(string.Empty);
AssertPrice(price, 0 * PotterBooks.UnitBookPrice);
}
[TestCase("AAAAABBBBBCCCCDDDDDEEEE", (3 * (5 * PotterBooks.UnitBookPrice * 0.75d)) + (2 * (4 * PotterBooks.UnitBookPrice * 0.80d)))] // = ABCDE + ABCDE + ABCDE + ABCD + ABDE
public void EdgeCaseIsPricedCorrectly(string books, double expectedPrice)
{
var price = PotterBooks.CalculatePriceFor(books);
AssertPrice(price, expectedPrice);
}
public void MultipleBooksOfDifferentTypesArePricedCorrectly(string books, double expectedPrice)
{
var price = PotterBooks.CalculatePriceFor(books);
AssertPrice(price, expectedPrice);
}
public void SimpleDiscountCombinationsArePricedCorrectly(string books, double expectedPrice)
{
var price = PotterBooks.CalculatePriceFor(books);
AssertPrice(price, expectedPrice);
}
public void ASingleBookIsPricedCorrectly(string books)
{
var price = PotterBooks.CalculatePriceFor(books);
AssertPrice(price, 1 * PotterBooks.UnitBookPrice);
}