public void BuyFirstBookTest()
{
var bookList = new List<Book>
{
new Book { BookID = 1, Price = 100 }
};
var expected = 100;
var target = new HarryPotterDiscount(bookList);
var actual = target.BuyBookDiscountMixing();
Assert.AreEqual(expected, actual);
}
public void BuyFirst_And_Second_And_third_fourth_BookTest()
{
var bookList = new List<Book>
{
new Book { BookID = 1, Price = 100 },
new Book { BookID = 2, Price = 100 },
new Book { BookID = 3, Price = 100 },
new Book { BookID = 4, Price = 100 }
};
var expected = 320;
var target = new HarryPotterDiscount(bookList);
var actual = target.BuyBookDiscountMixing();
Assert.AreEqual(expected, actual);
}
