public void TestNotch()
{
var socket = new RotorSocket(Rotor.Create("I"));
while (!socket.IsSocketInNotchPosition)
socket.Advance();
Assert.AreEqual('Q', socket.CurrentRingLetter);
}
public EnigmaMachine()
{
_plugboard = new Plugboard();
_fastRotor = new RotorSocket(Rotor.Create("I"));
_middleRotor = new RotorSocket(Rotor.Create("II"));
_slowRotor = new RotorSocket(Rotor.Create("III"));
_reflector = new RotorSocket(ReflectorClass.Create("Reflector B"));
}
public void TestLetterMappingsWithRotorOffsetSettings()
{
var socket = new RotorSocket(Rotor.Create("I", 'B'));
Assert.AreEqual('K', socket.GetMappedLetter('A'));
Assert.AreEqual('A', socket.GetMappedLetter('K', LetterMapper.MappingDirection.LeftToRight));
socket.Advance();
Assert.AreEqual('E', socket.GetMappedLetter('A'));
Assert.AreEqual('A', socket.GetMappedLetter('E', LetterMapper.MappingDirection.LeftToRight));
}
public void TestRotorOffsets()
{
var socket = new RotorSocket(Rotor.Create("I"));
Assert.AreEqual('A', socket.CurrentRingLetter);
socket.Advance();
Assert.AreEqual('B', socket.CurrentRingLetter);
socket.Reset();
Assert.AreEqual('A', socket.CurrentRingLetter);
for (int i=0; i<26; i++)
socket.Advance();
Assert.AreEqual('A', socket.CurrentRingLetter);
}
public void TestLetterMappings()
{
var socket = new RotorSocket(Rotor.Create("I"));
Assert.AreEqual('E', socket.GetMappedLetter('A'));
Assert.AreEqual('A', socket.GetMappedLetter('E', LetterMapper.MappingDirection.LeftToRight));
//If for example rotor I is in the B-position, an A enters at the letter B
//which is wired to the K. Because of the offset this K enters the next rotor in the J position.
socket.Advance();
Assert.AreEqual('J', socket.GetMappedLetter('A'));
Assert.AreEqual('A', socket.GetMappedLetter('J', LetterMapper.MappingDirection.LeftToRight));
}