public void ItShouldReturnTheCorrectCostOfTwoOranges()
{
var orange = new Orange();
CheckoutCounter.Scan(orange);
CheckoutCounter.Scan(orange);
Assert.That(CheckoutCounter.Total(), Is.EqualTo(orange.GetCost() * 2));
}
public void ItShouldReturnCorrectPriceIf2OfTheSameItemIsScanned()
{
var orange = new Orange();
CheckoutCounter.Scan(orange);
CheckoutCounter.Scan(orange);
Assert.That(CheckoutCounter.Total(), Is.EqualTo(orange.GetCost() * 2));
}
public void ItShouldReturnCorrectPriceFor2DifferentItemsAreScanned()
{
var apple = new Apple();
var orange = new Orange();
CheckoutCounter.Scan(apple);
CheckoutCounter.Scan(orange);
Assert.That(CheckoutCounter.Total(), Is.EqualTo(apple.GetCost() + orange.GetCost()));
}
public void ItShouldReturnTheCorrectTotalForBananaTwoForAPoundDiscountWhenInDifferentOrder()
{
var banana = new Banana();
var orange = new Orange();
var apple = new Apple();
CheckoutCounter.Scan(banana);
CheckoutCounter.Scan(orange);
CheckoutCounter.Scan(banana);
CheckoutCounter.Scan(apple);
Assert.That(CheckoutCounter.Total(), Is.EqualTo(1.00M + orange.GetCost() + apple.GetCost()));
}