public void abc_nop()
        {
            IInformation information = new SimpleRot13();

            string input = "abc";
            string output = information.Transform(input);
            string expected = "nop";

            Assert.That(expected, Is.EqualTo(output));
        }
        public void Null_null()
        {
            IInformation information = new SimpleRot13();

            string input = null;
            string output = information.Transform(input);
            string expected = null;

            Assert.That(expected, Is.EqualTo(output));
        }
        public void ABC_NOP()
        {
            IInformation information = new SimpleRot13();

            string input = "ABC";
            string output = information.Transform(input);
            string expected = "NOP";

            Assert.That(expected, Is.EqualTo(output));
        }