public void StringCrypt_Converter() { string str = "LongString with @#$@# stuff in it!?."; byte[] input = Encoding.UTF8.GetBytes(str); string base64 = StringCrypt.ConvertByteArrayToBase64(input); byte[] output = StringCrypt.ConvertBase64ToByteArray(base64); Assert.AreEqual(input, output, "The converted back and forth should be identical"); }