public void Scan_ThreeASkus_TotalIs130()
{
var calculator = new Calculator();
var checkout = new CheckOut(this, calculator);
_productPriceToReturn = 50;
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
Assert.AreEqual(130, calculator.Total());
}
public void ScanTwoItems_TotalIs80()
{
var calculator = new Calculator();
var checkout = new CheckOut(this, calculator);
_productPriceToReturn = 50;
checkout.Scan("A");
_productPriceToReturn = 30;
checkout.Scan("B");
Assert.That(calculator.Total(), Is.EqualTo(80));
}
public void ScanMultipleDiscountedItems()
{
var calculator = new Calculator();
var checkout = new CheckOut(this, calculator);
_productPriceToReturn = 50;
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
Assert.AreEqual(180, calculator.Total());
}