2009-05-29 The difference between member methods and extension methods

2009-05-29 the-difference-between-member-methods-and-extension-methods

# Title: The difference between member methods and extension methods
# Author: Mikael Lundin
# Link: http://blog.mikaellundin.name/2009/05/29/the-difference-between-member-methods-and-extension-methods.html

VerifyClaim.cs

// Written with MsTest as unit test framework
namespace LiteMedia
{
    using System;
    using System.Linq;
    using Microsoft.VisualStudio.TestTools.UnitTesting;

    [TestClass]
    public class VerifyClaim
    {
        [TestMethod]
        [ExpectedException(typeof(ArgumentNullException))]
        public void FirstOrDefaultThrowsArgumentNullException()
        {
            /* Setup */
            string[] names = null;

            /* Test */
            names.FirstOrDefault();
        }

        [TestMethod]
        [ExpectedException(typeof(NullReferenceException))]
        public void UsingClassMembersOnNullReferenceWillThrowNullReferenceException()
        {
            /* Setup */
            string[] names = null;

            /* Test */
            string fail = names.ToString();
        }
    }
}