Tests object[] en memory usage

using System;
using System.Diagnostics;
using System.Linq;
using System.Text;

public static class MemInfo {
    public static readonly string[] SizeSuffixes =
                   { "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };

    public static string SizeSuffix(Int64 value, int decimalPlaces = 1)
    {
        if (decimalPlaces < 0) { throw new ArgumentOutOfRangeException("Invalid aantal decimal plaatsen"); }
        if (value < 0) { return "-" + SizeSuffix(-value, decimalPlaces); }
        if (value == 0) { return string.Format("{0:n" + decimalPlaces + "} bytes", 0); }

        int mag = (int)Math.Log(value, 1024);
        decimal adjustedSize = (decimal)value / (1L << (mag * 10));

        if (Math.Round(adjustedSize, decimalPlaces) >= 1000)
        {
            mag += 1;
            adjustedSize /= 1024;
        }

        return string.Format("{0:n" + decimalPlaces + "} {1}",
            adjustedSize,
            SizeSuffixes[mag]);
    }

    public static void GiveMemoryUsage(string msg=""){
        Process proc = Process.GetCurrentProcess();
        Console.WriteLine("_____________________________________________________________________________________________________");
        Console.WriteLine($"_____| {msg} |_____");
        Console.WriteLine("Maximum gealloceerd geheugen: "+ SizeSuffix(proc.PeakVirtualMemorySize64));
        Console.WriteLine("Huidig gealloceerd geheugen: "+SizeSuffix(proc.PrivateMemorySize64));
        int pct = (int)Math.Round((double)(100 * proc.PrivateMemorySize64) / proc.PeakVirtualMemorySize64);
        Console.WriteLine($"Percentage gealloceerd: ~ {pct}%");
        Console.WriteLine("_____________________________________________________________________________________________________");
        proc.Dispose();
    }
}

public class Program
{


    public static void Main()
    {
        MemInfo.GiveMemoryUsage("Start van programma");

        object[] test5 = new object[20];

        MemInfo.GiveMemoryUsage("Na aanmaak van object array met 20 vrije plaatsen (= 8 byte per plekje)");

        string mb = new string('.', 1048576);
        int aantalBytes = Encoding.Default.GetBytes(mb).Length;
        Console.WriteLine("1MB string:\n\tAantal bytes = "+aantalBytes);
        Console.WriteLine("\t          MB = "+MemInfo.SizeSuffix(aantalBytes)+"\n"); // de string is 1MB

        foreach(int i in Enumerable.Range(0, 10)){
            char[] x = new char[mb.Length];     // char array met lengte mb string
            mb.CopyTo(x);                       // de mb string als de char array
            string hardCopy = new string(x);    // hard copy adhv de char array
            if(i == 1) { Console.WriteLine("Controle char[] grootte: "+Encoding.Default.GetBytes(x).Length
                                           +"\nControle string grootte: "+Encoding.Default.GetBytes(hardCopy).Length ); } // controle van lengtes
            test5[i] = hardCopy;            // char array naar string en toekennen aan plekje in object[]
            x = new char[0];                // tijdelijke char array en string resetten
            hardCopy = String.Empty;
            if(i == 1) { Console.WriteLine("Controle na ledigen char[] grootte: "+Encoding.Default.GetBytes(x).Length
                                           +"\nControle na ledigen string grootte: "+Encoding.Default.GetBytes(hardCopy).Length );} // opnieuw controle van lengtes
        }

        // 65.7 MB --> 119.4 MB = +53.7MB
        MemInfo.GiveMemoryUsage("Na het inserten van 10 strings dmv char[] naar new string, elk 1 MB, in de object array");

        foreach(int i in Enumerable.Range(10,10)){
            test5[i] = String.Copy(mb);
        }

        // 119.4 MB --> 137.7 MB = +18,3MB
        MemInfo.GiveMemoryUsage("Na het inserten van 10 extra strings dmv String.Copy(string), elk 1 MB, in de object array");

        // Controle van waarden en hun groottes
        Console.WriteLine("Controle van item groottes in object[]");
        foreach(int i in Enumerable.Range(0,20)){
            Console.WriteLine($"\tItem {i} = {Encoding.Default.GetBytes(test5[i] as string).Length} bytes");
        }


    }
}