using System;

using System.Collections;

using System.Collections.Generic;

using System.Threading.Tasks;

using Newtonsoft.Json;

​

public class Test

{

    string data;

    public static Test New(string p)

    {        

        return new Test() { data = p };

    }

    public async Task<T> FuncAsync<T>() where T: class

    {

        Program.Assert.Fail("ran FuncAsync<T>");

        return Newtonsoft.Json.JsonConvert.DeserializeObject<T>(await FuncAsync());      

    }

    public async Task<string> FuncAsync()

    {

        Program.Assert.True(true, "ran FuncAsync");

        return data;

    }

}

​

public class Program

{

    public static void Main()

    {

        dynamic t = new { UID="123", SomeProperty="SomeProperty" };

        Console.WriteLine("Not correct:");                              

        Test.New(t.UID).FuncAsync();

        Console.WriteLine("Correct");        

        string uid=t.UID;

        Test.New(uid).FuncAsync();        

​

        Assert.Statistics();

    }

    public class Assert

    {

        public static int Total = 0;

        public static int Passed = 0;

        public static int Failed = 0;

​

        public static void Statistics()

        {

            Console.WriteLine("Statistics:");

            if (Total == 0)

            {

                Console.WriteLine("No assertions run.");

            }

            else

            {

                Console.WriteLine(

                    "- Passing: " + Passed + " (" + (Passed * 100 / Total) + "%)" + Environment.NewLine +

                    "- Failing: " + Failed + " (" + (100 - (Passed * 100 / Total)) + "%)" + Environment.NewLine +

                    "- Total: " + Total);

            }

        }

​

        private static void Report(bool success, string description = "")

        {

            Console.WriteLine(

                (success ? "Success" : "Failure") +

                (string.IsNullOrWhiteSpace(description) ? "." : (": " + description))

            );

​

            Total++;

​

            if (success)

            {

                Passed++;

            }

            else

            {

                Failed++;

            }

        }

​

        public static void True(bool result, string description = "")

        {

            Report(result, description);

        }

​

        public static void False(bool result, string description = "")

        {

            True(!result, description);

        }

​

        public static void AreEqual<T>(T expected, T actual, string description = "")

        {

            Report(expected.Equals(actual), description);

        }

​

        public static void AreNotEqual<T>(T expected, T actual, string description = "")

        {

            Report(!expected.Equals(actual), description);

        }

​

        public static void Throws<T>(Action function, string description = "")

        {

            try

            {

                function.Invoke();

                Report(false, description);

            }

            catch (Exception e)

            {

                Report(e.GetType() == typeof(T), description);

            }

        }

​

        public static void Null(object what, string description = "")

        {

            Report(what == null, description);

        }

​

        public static void NotNull(object what, string description = "")

        {

            Report(what != null, description);

        }

​

        public static void Fail(string description = "")

        {

            Report(false, description);

        }

    }

}