using System;

using KGySoft.Diagnostics;

​

/************************************************************************************************************

* Remark: In .NET Fiddle inlining is disabled so both cases have the same perfomance.

* Try this at home instead. :) KGySoft.CodeLibraries are available on NuGet or just use a Stopwatch instance

*************************************************************************************************************/

​

public class Program

{

    public static void Main()

    {

        var test = new TestClass();

        const int max = 10_000;

        new PerformanceTest { Iterations = 1000, Repeat = 3, CpuAffinity = null } // CpuAffinity is null just for .NET Fiddle

            .AddCase(() =>

            {

                // making sure we call the method with different imputs and the return value is not ignored

                int n = 0;

                for (int i = 0; i < max; i++)

                    n = test.RegularThrow(n);

            }, nameof(test.RegularThrow))

            .AddCase(() =>

            {

                int n = 0;

                for (int i = 0; i < max; i++)

                    n = test.ThrowByHelper(n);

            }, nameof(test.ThrowByHelper))

            .DoTest()

            .DumpResults(Console.Out);

    }

}

​

internal class TestClass

{

    internal int RegularThrow(int value)

    {

        if (value < 0)

            throw new ArgumentOutOfRangeException(nameof(value));

        return value + 1;

    }

​

    internal int ThrowByHelper(int value)

    {

        if (value < 0)

            Throw.ArgumentOutOfRangeException(Argument.value);

        return value + 1;

    }

}

​

internal enum Argument { value }

​

internal static class Throw

{

    internal static void ArgumentOutOfRangeException(Argument arg) => throw new ArgumentOutOfRangeException(arg.ToString());

}