public void 買0本書_合計_0元()
{
var target = new BookStoreCart();
var expected = 0m;
var books = new List <Book>();
var actual = target.CalculateDealPrice(books);
Assert.AreEqual(expected, actual);
}
public void 只買1本第1集_合計_100元()
{
var target = new BookStoreCart();
var expected = 100m;
var books = new List <Book>();
books.AddRange(Book.GetList(new BookHarryPotter(1), 1));
var actual = target.CalculateDealPrice(books);
Assert.AreEqual(expected, actual);
}
public void 買第1集_第2集_第3集_第4集_各1本_合計_320元()
{
var target = new BookStoreCart();
var expected = 320m;
var books = new List <Book>();
books.AddRange(Book.GetList(new BookHarryPotter(1), 1));
books.AddRange(Book.GetList(new BookHarryPotter(2), 1));
books.AddRange(Book.GetList(new BookHarryPotter(3), 1));
books.AddRange(Book.GetList(new BookHarryPotter(4), 1));
var actual = target.CalculateDealPrice(books);
Assert.AreEqual(expected, actual);
}