private void RepeatKey(MyEnigmaMachine machine, char p1, int p2)
{
for (int i = 0; i < p2; i++)
{
machine.PressKey(p1);
}
}
public void TestLowercaseEncryption()
{
var machine = new MyEnigmaMachine();
string cypher = machine.Encrypt("This is a test; Another test. Hello, World!");
Assert.AreEqual("Zpjj sv s pgbw; Wwiukog fxym. Lprfq, Zpvkw!", cypher);
}
public void TestNonCharEncryption()
{
var machine = new MyEnigmaMachine();
string cypher = machine.Encrypt("THIS IS A TEST; ANOTHER TEST. HELLO, WORLD!");
Assert.AreEqual("ZPJJ SV S PGBW; WWIUKOG FXYM. LPRFQ, ZPVKW!", cypher);
}
public void TestDefaultSettings()
{
var machine = new MyEnigmaMachine();
char[] ringLetters = machine.GetCurrentRotorRingLetters();
Assert.AreEqual('A', ringLetters[2]);
Assert.AreEqual('A', ringLetters[1]);
Assert.AreEqual('A', ringLetters[0]);
}
public void TestFullParameters()
{
var machine = new MyEnigmaMachine();
machine.SetupRotors(new[] { new RotorInfo("IV", 'M', 'F'), new RotorInfo("V", 'C', 'U'), new RotorInfo("II", 'W', 'T') });
machine.SetupPlugboard("ABCKEFGHIJDLNMOPQRSTUZWXYV");
string cypher = machine.Encrypt("This is a test");
Assert.AreEqual("Rmxe li c wmua", cypher);
}
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 TestRotors()
{
var machine = new MyEnigmaMachine();
RepeatKey(machine, 'A', 26);
char[] ringLetters = machine.GetCurrentRotorRingLetters();
Assert.AreEqual('A', ringLetters[2]);
Assert.AreEqual('B', ringLetters[1]);
RepeatKey(machine, 'A', 25 * 26);
ringLetters = machine.GetCurrentRotorRingLetters();
Assert.AreEqual('B', ringLetters[0]);
}
public void TestEncryptionDefaultSettings()
{
var machine = new MyEnigmaMachine();
string cypher = machine.Encrypt("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
Assert.AreEqual("FUVEPUMWARVQKEFGHGDIJFMFXI", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
Assert.AreEqual("FUVEPUMWARVQKEFGHGDIJFMFXI", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("FUVEPUMWARVQKEFGHGDIJFMFXI");
Assert.AreEqual("ABCDEFGHIJKLMNOPQRSTUVWXYZ", cypher);
}
public void TestFullCycle()
{
var machine = new MyEnigmaMachine();
int count = 0;
do
{
machine.PressKey('A');
count++;
} while (machine.GetCurrentRotorRingLetters()[0] != 'A' || machine.GetCurrentRotorRingLetters()[1] != 'A' || machine.GetCurrentRotorRingLetters()[2] != 'A');
Assert.AreEqual(26 * 26 * 25, count);
}
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);
}
public void TestEncryptionRingOffsetSettings()
{
var machine = new MyEnigmaMachine();
machine.SetupRotors(new[] { new RotorInfo("I", 'A', 'B'), new RotorInfo("II", 'A', 'B'), new RotorInfo("III", 'A', 'B') });
string cypher = machine.Encrypt("AAAAA");
Assert.AreEqual("EWTYX", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("AAAAA");
Assert.AreEqual("EWTYX", cypher);
machine.ResetRotors();
cypher = machine.Encrypt("EWTYX");
Assert.AreEqual("AAAAA", cypher);
}