internal void AddBook(Book book)
{
var bookList = (from s in groupBookList
where s.Any(b => b.Name == book.Name) == false
select s).FirstOrDefault();
if (bookList != null)
{
bookList.Add(book);
}
else
{
groupBookList.Add(new List<Book>() { book });
}
}
public void GetPrice_第一集買了一本_其他都沒買_價格應為100_乘_1_等於_100元()
{
//arrange
var target = new ShoppingCart();
var potterBook = new Book { Name = "Potter第一集", Price = 100 };
var expected = 100;
target.AddBook(potterBook);
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}