C# Ensure for Argument Errors

Ensure.cs

//
// MIT License
// Copyright (c) 2009 Chris Stefano <[email protected]>
//
using System;
using System.Diagnostics;

internal static class Ensure
{
  [DebuggerStepThrough]
  public static void ArgumentNotNull(object argument, string argumentName)
  {
    if (argument == null)
    {
      throw new ArgumentNullException(argumentName);
    }
  }

  [DebuggerStepThrough]
  public static void ArgumentNotNull(string argument, string argumentName)
  {
    if (String.IsNullOrEmpty(argument))
    {
      throw new ArgumentNullException(argumentName);
    }
  }

  [DebuggerStepThrough]
  public static void ArgumentInRange<T>(T argument, string argumentName, T min, T max)
    where T : IComparable
  {
    if (argument.CompareTo(min) < 0 || argument.CompareTo(max) > 0)
    {
      throw new ArgumentOutOfRangeException(argumentName);
    }
  }
}