using System;

using System.Collections.Generic;

using System.Reflection;

using System.IO;

​

public class Animal

{

    public string Name { get; set; }

}

​

public class Dog : Animal

{

}

​

​

//exercise fiddle

public class Program

{

    public static void Main()

    {

        var dog = new Dog{ Name = "Snoop" };

        Console.WriteLine(dog.Name);

        var testRunner = new TestRunner();

        var res = testRunner.GetResults();

        Console.WriteLine("Tests passed: "+(res.Count==0));

        foreach(var ex in res)

        {

            Console.WriteLine("Test error: "+ex.InnerException.Message);

        }

    }

}

​

​

​

​

//test fiddle

[TestFixture]

public class Tests

{

    [Test]

    public void ClassAnimalExists()

    {

        var animal = Type.GetType("Animal");

        if(animal==null) throw new Exception("Type Animal not found");

    }

    [Test]

    public void ClassDogExists()

    {

        var animal = Type.GetType("Dog");

        if(animal==null) throw new Exception("Type Dog not found");

    }

    [Test]

    public void OutputIsSnoop()

    {

        //var output = System.Diagnostics.Process.GetCurrentProcess().StandardOutput.ReadToEnd();

        var output = "Snoop";

​

        if(output!="Snoop") throw new Exception("Type output is not Snoop: "+output);

    }

}

​

​

​

​

​

//internal stuff  - can go in DotNetFiddle.Tests

​

​

public class TestRunner

{

    public List<Exception> GetResults()

    {

        var types = Assembly.GetExecutingAssembly().GetTypes();

        var results = new List<Exception>();

        foreach(var type in types)

        {

            //find

            if(type.GetCustomAttribute(typeof(TestFixtureAttribute))!=null)

            {

                //find tests

                var instance = Activator.CreateInstance(type);

                var methods = type.GetMethods();

                foreach(var method in methods)

                {

                    if(method.GetCustomAttribute(typeof(TestAttribute))!=null)

                    {

                        try 

                        {

                            method.Invoke(instance, null);

                        }

                        catch(Exception e)

                        {

                            results.Add(e);

                        }

                    }

                }

            }

        }

        return results;

    }

}

​

​

​

​

public class TestFixtureAttribute: Attribute

{

}

​

public class TestAttribute: Attribute

{

}

​

​

​