public void ReverseEncryptor_EncrpytThrowsExceptionWhenPassedNullValue()
        {
            ReverseEncryptor encryptor = new ReverseEncryptor();
            String inputText = null;

            encryptor.Encrypt(inputText);
        }
        public void ReverseEncryptor_EncryptionPreservesCaseWithNoWhiteSpace()
        {
            ReverseEncryptor encryptor = new ReverseEncryptor();
            String inputText = "tEsT";
            String expected = "TsEt";

            String actual = encryptor.Encrypt(inputText);

            Assert.AreEqual(actual, expected);
        }
        public void ReverseEncryptor_DecryptWithWhiteSpace()
        {
            ReverseEncryptor encryptor = new ReverseEncryptor();
            String inputText = "tset tset tset";
            String expected = "test test test";

            String actual = encryptor.Decrypt(inputText);

            Assert.AreEqual(actual, expected);
        }