class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("What's your name?");
            var name = Console.ReadLine();
            Console.WriteLine(string.Format("Hello {0}!!", name));
        }

        [Test]
        public void something()
        {
            var output = new StringWriter();
            Console.SetOut(output);

            var input = new StringReader("Somebody");
            Console.SetIn(input);

            Program.Main(new string[] { });

            Assert.That(output.ToString(), Is.EqualTo(string.Format("What's your name?{0}Hello Somebody!!{0}", Environment.NewLine)));
        }
    }