public void CheckEntryWheelGivesCorrectInputValue()
{
EntryWheel e = new EntryWheel(LetterMapper.CreateLettersArray("QWERTZUIOASDFGHJKPYXCVBNML"));
Letters result = e.GetInput(Letters.A);
Assert.That(result, Is.EqualTo(Letters.Q));
}
public virtual Letters GetOutput(Letters input)
{
// rotate if required
bool stepM = m_rotorR.InNotch;
bool stepML = m_rotorM.InNotch;
// left rotor always moves one step
m_rotorR.Rotate();
// moving from left notch moves middle rotor on a step
if (stepM)
{
m_rotorM.Rotate();
}
// moving from middle notch moves middle and left rotor on a step (middle does a double step)
if (stepML)
{
// double step middle rotor
m_rotorM.Rotate();
m_rotorL.Rotate();
}
// run through entry wheel
input = m_entryWheel.GetInput(input);
// right to left
Letters rotorRleft = m_rotorR.GetLeft(input);
Letters rotorMLeft = m_rotorM.GetLeft(rotorRleft);
Letters rotorLLeft = m_rotorL.GetLeft(rotorMLeft);
Letters rotorALeft = m_additionalRotor.GetLeft(rotorLLeft);
// reflector
rotorALeft = m_reflector.GetOutput(rotorALeft);
// left to right
rotorLLeft = m_additionalRotor.GetRight(rotorALeft);
rotorMLeft = m_rotorL.GetRight(rotorLLeft);
rotorRleft = m_rotorM.GetRight(rotorMLeft);
Letters output = m_rotorR.GetRight(rotorRleft);
// run through entry wheel
output = m_entryWheel.GetOutput(output);
return(output);
}