public void EncryptTest()
{
string msg = "Hello how has it been going my dude?";
string key = "21,27,31,40;15;01,33;20,34;22,28,32,36,37;05;17;14;02,29,38,41;19;03;07,39,42;09,43;12,48,97;18,60,85;26,44;25;24,49;10,30,45,99;06,96,55;16,94;23;13;11;08;04;";
Cipher cipher = new Homophonic_Cipher(msg, key);
string expected = cipher.Encrypt();
Assert.IsNotNull(expected);
Assert.AreNotEqual(expected, msg);
}
public void Is_Key_ValidTest()
{
string key = "21,27,31,40;15;01,33;20,34;22,28,32,36,37;05;17;14;02,29,38,41;19;03;07,39,42;09,43;12,48,97;18,60,85;26,44;25;24,49;10,30,45,99;06,96,55;16,94;23;13;11;08;04;";
Cipher cipher = new Homophonic_Cipher("", key);
Assert.IsTrue(cipher.Is_Key_Valid());
// Too many entries
cipher.Key += "21,27,31,40;";
Assert.IsFalse(cipher.Is_Key_Valid());
// Key is too short
cipher.Key = "21,27,31,40;15;01,33;20,34;22,28,32,36,37;05;17;14;02,29,38,41;19;03;07,39,42;09,43;";
Assert.IsFalse(cipher.Is_Key_Valid());
// Replaced a number with a letter
cipher.Key = "21,a7,31,40;15;01,33;20,34;22,28,32,36,37;05;17;14;02,29,38,41;19;03;07,39,42;09,43;12,48,97;18,60,85;26,44;25;24,49;10,30,45,99;06,96,55;16,94;23;13;11;08;04;";
Assert.IsFalse(cipher.Is_Key_Valid());
// Wrong length as there is a 1-digit number
cipher.Key = "2,27,31,40;15;01,33;20,34;22,28,32,36,37;05;17;14;02,29,38,41;19;03;07,39,42;09,43;12,48,97;18,60,85;26,44;25;24,49;10,30,45,99;06,96,55;16,94;23;13;11;08;04;";
Assert.IsFalse(cipher.Is_Key_Valid());
}
