C# (Windows)

I present to you, the brand new Memtest86 Simulator 2014! (Because running Memtest86 under Windows makes total sense)

Complete with working progress bars and pattern indicator!

This code extensively uses the Console class, which as far as I know, it's only available on Windows. Also, I couldn't find a way to show the real processor name/frequency and available memory, so those are hardcoded.

Screenshot:

Code (ugly, I know):

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;

class MemTestSim
{
    static void Main(string[] args)
    {
        Random r = new Random();
        int seconds = 0;
        int pass = 0;
        int test = 0;
        int testNumber = 0;

        string[] testNames = { "Address test, own Adress", "Moving inversions, ones & zeros", "Moving inversions, 8 bit pattern" };
        string[] pattern = { "80808080", "7f7f7f7f", "40404040", "bfbfbfbf", "20202020", "dfdfdfdf", "10101010", "efefefef", "08080808", "f7f7f7f7", "8f8f8f8f" };

        // Trick to stop the console from scrolling
        Console.SetWindowSize(80, 40);

        Console.Title = "Memtest86+ v2.11";
        Console.CursorVisible = false;

        // Dark Blue Background Color
        Console.BackgroundColor = ConsoleColor.DarkBlue;
        Console.Clear();

        // Green Title Text
        Console.BackgroundColor = ConsoleColor.DarkGreen;
        Console.ForegroundColor = ConsoleColor.Black;
        Console.Write("      Memtest86+ v2.11     ");

        // Gray on Blue Text and main window structure
        Console.BackgroundColor = ConsoleColor.DarkBlue;
        Console.ForegroundColor = ConsoleColor.Gray;
        Console.Write("| Pass " + pass + "%\n");
        Console.WriteLine("Intel Core i5 2290 MHz     | Test ");
        Console.WriteLine("L1 Cache:  128K   1058MB/s | Test #" + testNumber + "  [" + testNames[0] + "]");
        Console.WriteLine("L2 Cache:  512K   1112MB/s | Testing:  132K - 8192M  8192M");
        Console.WriteLine("L3 Cache: 3072K   1034MB/s | Pattern: ");
        Console.WriteLine("Memory  : 8192M            |---------------------------------------------------");
        Console.WriteLine("Chipset :  Intel i440FX");
        Console.WriteLine();
        Console.WriteLine();
        Console.WriteLine(" WallTime   Cached  RsvdMem   MemMap   Cache  ECC  Test  Pass  Errors  ECC Errs");
        Console.WriteLine(" ---------  ------  -------  --------  -----  ---  ----  ----  ------  --------");
        Console.WriteLine("   0:00:26   8192M      64K  e820-Std    on   off   Std     0       0");

        // Bottom Bar
        Console.SetCursorPosition(0, 24);
        Console.BackgroundColor = ConsoleColor.Gray;
        Console.ForegroundColor = ConsoleColor.DarkBlue;
        Console.WriteLine("(ESC)Reboot  (c)configuration  (SP)scroll_lock  (CR)scroll_unlock               ");


        Console.SetWindowSize(80, 25);

        // Reset text color
        Console.BackgroundColor = ConsoleColor.DarkBlue;
        Console.ForegroundColor = ConsoleColor.Gray;

        // FOREVER
        while (true)
        {
            TimeSpan time = TimeSpan.FromSeconds(seconds);

            // Running Time (WallTime)
            Console.SetCursorPosition(3, 11);
            string min = (time.Minutes < 10 ? "0" + time.Minutes : "" + time.Minutes);
            string sec = (time.Seconds < 10 ? "0" + time.Seconds : "" + time.Seconds);
            Console.Write(time.Hours + ":" + min + ":" + sec);

            // Test percentage
            Console.SetCursorPosition(34, 1);
            Console.Write((int)test + "%");

            // Test Progress Bar
            Console.SetCursorPosition(38, 1);
            for (int i = 0; i < test / 3; i++)
                Console.Write("#");

            Console.SetCursorPosition(38, 0);
            for (int i = 0; i < pass / 3; i++)
                Console.Write("#");

            // Test Number
            Console.SetCursorPosition(35, 2);
            Console.Write(testNumber + "  [" + testNames[testNumber] + "]        ");

            if (testNumber != 0)
            {
                Console.SetCursorPosition(38, 4);
                Console.Write(pattern[test / 10]);
            }
            else
            {
                Console.SetCursorPosition(38, 4);
                Console.Write("         ");
            }

            if (test >= 100)
            {
                test = 0;

                Console.SetCursorPosition(34, 0);
                Console.Write(pass + "%");

                Console.SetCursorPosition(34, 1);
                Console.Write("                                      ");
                testNumber++;
                pass += 2;

                if (testNumber == 2)
                    testNumber = 0;
            }

            Thread.Sleep(1000);
            test += r.Next(0, 3);
            seconds++;
        }
    }
}