using System;

using System.Linq;

​

public static class StringExtensions

{

    public static string ReverseWordOrder(this string input)

    {

    }

}

​

class Program

{

    private static readonly (string Input, string Expected)[] Cases =

    {

        ("Simple test", "test Simple"),

        ("Lorem ipsum dolor sit amet", "amet sit dolor ipsum Lorem")

    };

    static void Main()

    {

        RunTests(StringExtensions.ReverseWordOrder);

    }

    static void RunTests(Func<string, string> method)

    {

        foreach (var test in Cases)

        {

            try

            {

                var actual = method(test.Input);

                var result = actual.Equals(test.Expected);

​

                if (result)

                {

                    Console.WriteLine($"\"{test.Input}\": OK");

                }

                else

                {

                    Console.WriteLine($"\"{test.Input}\": Fail (expected: \"{test.Expected}\", actual: \"{actual}\")");

                }

            }

            catch (Exception ex)

            {

                Console.WriteLine($"\"{test.Input}\": Fail with exception:\r\n{ex}");

            }

        }

    }

}