How to Test Private and Protected methods in .NET

using System;
using NUnit.Framework;
using ClassLibrary1;

namespace UnitTests
{
	/// <summary>
	/// Summary description for MyTests.
	/// </summary>
	[TestFixture] public class MyTests
	{
		public MyTests()
		{

		}

		[Test] public void TestPublicMethod() 
		{
			string strExpected = "MyName: Value";
			ClassLibrary1.MyObject c = new ClassLibrary1.MyObject("MyName");
			string strActual = c.MyPublicMethod("Value");
			Assert.AreEqual(strExpected,strActual);
		}

		[Test] public void TestProtectedMethod() 
		{
			string strExpected = "MyName: Value, 23";
			MyObjectTester c = new MyObjectTester("MyName");
			string strActual = c.TestMyProtectedMethod("Value",23);
			Assert.AreEqual(strExpected,strActual);
		}

		[Test] public void TestPrivateStaticMethod() 
		{
			string strExpected = "Hello, 2.1";

			object obj = UnitTestUtilities.Helper.RunStaticMethod(
				typeof(ClassLibrary1.MyObject),
				"MyPrivateStaticMethod",
				new object[2] {"Hello",2.1});
			string strActual = Convert.ToString(obj);

			Assert.AreEqual(strExpected,strActual);

		}

		[Test] public void TestPrivateInstanceMethod() 
		{
			string strExpected = "MyName: Hello, 5/24/2004 12:00:00 AM, 2.1";

			ClassLibrary1.MyObject objInstance = new MyObject("MyName");
			object obj = UnitTestUtilities.Helper.RunInstanceMethod(
				typeof(ClassLibrary1.MyObject),
				"MyPrivateMethod",
				objInstance,
				new object[3] {"Hello", new DateTime(2004,05,24), 2.1});
			string strActual = Convert.ToString(obj);

			Assert.AreEqual(strExpected,strActual);

		}

	} //end of class

} //end of namespace