public void Multigraph_SubstitutionTest()
{
Substitution substitution = new Substitution(Utility.KeyedEnglishAlphabet("KRYPTOS").ToStringArray());
for (int i = 0; i < 25; i++)
{
substitution.Key = substitution.ScrambledAlphabet();
generated = substitution.GenerateRandomLetters();
cipher = substitution.Encrypt(generated);
clear = substitution.Decrypt(cipher);
CollectionAssert.AreEqual(generated, clear);
}
}