public void when_buy_four_different_series_books_then_amount_should_be_320()
{
BooksAmountShouldBe(
books: new List <Book>
{
PotterBooks.First(1),
PotterBooks.Second(1),
PotterBooks.Third(1),
PotterBooks.Fourth(1),
},
expected: 320m);
}
public void when_buy_five_different_series_books_and_three_different_series_books_then_amount_should_be_640()
{
BooksAmountShouldBe(
books: new List <Book>
{
PotterBooks.First(2),
PotterBooks.Second(2),
PotterBooks.Third(2),
PotterBooks.Fourth(1),
PotterBooks.Fifth(1),
},
expected: 640m);
}