public void ROT_13_TEST()
{
ShiftCipher myCipher = new ShiftCipher(ShiftCipher.MODE.ROT13);
Assert.AreEqual(ShiftCipher.MODE.ROT13, myCipher.GetMode(), "default shift mode not set correctly");
Assert.AreEqual(0, myCipher.GetKey(), "Incorrect defualt shift amount found");
myCipher.GenKey();
Assert.AreEqual(ROT_13_SHIFT, myCipher.GetKey(), "Incorrect shift amount found");
string encStr = myCipher.Encrypt(TEST_STR);
TestStrEnc(myCipher, encStr);
TestStrDec(encStr, myCipher.Decrypt(encStr));
}
public void SetKeyTest()
{
ShiftCipher shiftCipher = new ShiftCipher();
TestCtor(shiftCipher);
shiftCipher.SetKey(TEST_SHIFT);
Assert.AreEqual(TEST_SHIFT, shiftCipher.GetKey(), "Incorrect key returned");
}
public void GenKeyTest()
{
ShiftCipher shiftCipher = new ShiftCipher();
TestCtor(shiftCipher);
shiftCipher.GenKey();
Assert.AreNotEqual(0, shiftCipher.GetKey(), "key was not intialized");
}
static void TestStrEnc(ShiftCipher cipher, string encStr)
{
Assert.AreNotEqual(0, cipher.GetKey(), "Key was not Generated");
Assert.AreNotEqual(TEST_STR, encStr, "String did not encrypt");
}
static void TestCtor(ShiftCipher cipher)
{
Assert.AreEqual(ShiftCipher.MODE.SHIFT, cipher.GetMode(), "default shift mode not set correctly");
Assert.AreEqual(0, cipher.GetKey(), "Incorrect defualt shift amount found");
}