public void TestRotorsDoubleStepping()
{
var machine = new MyEnigmaMachine();
machine.SetCurrentRotorRingLetters(new [] { 'A', 'D', 'O' });
RepeatKey(machine, 'A', 6);
char[] ringLetters = machine.GetCurrentRotorRingLetters();
Assert.AreEqual('B', ringLetters[0]);
Assert.AreEqual('F', ringLetters[1]);
Assert.AreEqual('U', ringLetters[2]);
}
public void TestEncryptionRingStartingLettertSettings()
{
var machine = new MyEnigmaMachine();
machine.SetCurrentRotorRingLetters(new[] { 'F', 'R', 'Q' });
string cypher = machine.Encrypt("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
Assert.AreEqual("MHHKTNIROWJNYMNWKHMVEZQHWU", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
Assert.AreEqual("MHHKTNIROWJNYMNWKHMVEZQHWU", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("MHHKTNIROWJNYMNWKHMVEZQHWU");
Assert.AreEqual("ABCDEFGHIJKLMNOPQRSTUVWXYZ", cypher);
}