public void CanScanTwoDifferentItems()
{
var checkout = new Checkout();
checkout.Scan('A').Scan('B');
var actual = checkout.Total();
actual.Should().Be(80m);
}
public void CanScanTwoOfSameItem()
{
var checkout = new Checkout();
checkout.Scan('A').Scan('A');
var actual = checkout.Total();
actual.Should().Be(100m);
}
public void CanScanOneItem()
{
var checkout = new Checkout();
checkout.Scan('A');
var actual = checkout.Total();
actual.Should().Be(50m);
}
