public void GetPrice_一二三四集各買了一本_價格應為100_乘_4_乘_0_點_8_等於_320()
{
//arrange
var books = new List <Book>
{
new Book {
Name = "第一集", Price = 100
},
new Book {
Name = "第二集", Price = 100
},
new Book {
Name = "第三集", Price = 100
},
new Book {
Name = "第四集", Price = 100
}
};
var target = new ShoppingCart();
target.SetBooks(books);
var expected = 320;
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}
public void GetPrice_第一集買了一本_第二集也買了一本_價格應為100_乘_2_乘_0_點_95_等於_190()
{
//arrange
var books = new List <Book>
{
new Book {
Name = "第一集", Price = 100
},
new Book {
Name = "第二集", Price = 100
}
};
var target = new ShoppingCart();
target.SetBooks(books);
var expected = 190;
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}
public void GetPrice_一二三集各買了一本_價格應為100_乘_3_乘_0_點_9_等於_270()
{
//arrange
var books = new List<Book>
{
new Book{ Name = "第一集", Price = 100 },
new Book{ Name = "第二集", Price = 100 },
new Book{ Name = "第三集", Price = 100 }
};
var target = new ShoppingCart();
target.SetBooks(books);
var expected = 270;
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}
public void GetPrice_一次買了整套_一二三四五集各買了一本_價格應為100_乘_5_乘_0_點_75_等於_375()
{
//arrange
var books = new List<Book>
{
new Book{ Name = "第一集", Price = 100 },
new Book{ Name = "第二集", Price = 100 },
new Book{ Name = "第三集", Price = 100 },
new Book{ Name = "第四集", Price = 100 },
new Book{ Name = "第五集", Price = 100 }
};
var target = new ShoppingCart();
target.SetBooks(books);
var expected = 375;
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}
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 books = new List<Book>
{
new Book{ Name = "第一集", Price = 100}
};
var target = new ShoppingCart();
target.SetBooks(books);
var expected = 100;
//act
var actual = target.GetPrice();
//assert
Assert.AreEqual(expected, actual);
}