public void Cancel_AmoutRefunded()
{
// Arrange
ParkingMachine machine = new ParkingMachine(20);
// Act
machine.InsertMoney(100);
int refund = machine.Cancel();
// Assert
Assert.AreEqual(100, refund);
}
public void Cancel_CurrentTotal_Zeroed()
{
// Arrange
ParkingMachine machine = new ParkingMachine(20);
// Act
machine.InsertMoney(100);
int refund = machine.Cancel();
// Assert
Assert.AreEqual(0, machine.CurrentTotal);
}