public void Return_30_4_when_buy_2_book_1_and_2_book_2()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 2);
shoppingBasket.Add(2, 2);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(8 * 4 * 0.95);
}
public void Return_16_when_buy_2_same_book_and_a_different_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 1);
shoppingBasket.Add(2, 2);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(16 * 0.95 + 8);
}
public void Return_21_6_when_buy_3_different_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 1);
shoppingBasket.Add(2, 1);
shoppingBasket.Add(3, 1);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(24 * 0.90);
}
public void OneFirstBookAndOneSecondBookCosts15Euros20()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(new FirstBook());
shoppingBasket.Add(new SecondBook());
var total = shoppingBasket.Total();
var expected = new Euros(15.20);
Assert.That(total, Is.EqualTo(expected));
}
public void TwoFirstBooksCosts16Euros()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(new FirstBook());
shoppingBasket.Add(new FirstBook());
var total = shoppingBasket.Total();
var expected = new Euros(16);
Assert.That(total, Is.EqualTo(expected));
}
public void Return_30_when_buy_5_different_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 1);
shoppingBasket.Add(2, 1);
shoppingBasket.Add(3, 1);
shoppingBasket.Add(4, 1);
shoppingBasket.Add(5, 1);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(8 * 5 * 0.75);
}
public void Return_51_20_when_buy_52_different_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 2);
shoppingBasket.Add(2, 2);
shoppingBasket.Add(3, 2);
shoppingBasket.Add(4, 1);
shoppingBasket.Add(5, 1);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(51.20);
}
public void Return_16_when_buy_2_copy_of_the_same_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 2);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(16);
}
public void Return_8_when_buy_a_book()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(1, 1);
var price = shoppingBasket.Price();
Check.That(price).IsEqualTo(8);
}
public void TwoFirstBooksCosts16Euros()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(new FirstBook());
shoppingBasket.Add(new FirstBook());
var total = shoppingBasket.Total();
var expected = new Euros(16);
Assert.That(total, Is.EqualTo(expected));
}
public void OneFirstBookAndOneSecondBookCosts15Euros20()
{
var shoppingBasket = new ShoppingBasket();
shoppingBasket.Add(new FirstBook());
shoppingBasket.Add(new SecondBook());
var total = shoppingBasket.Total();
var expected = new Euros(15.20);
Assert.That(total, Is.EqualTo(expected));
}