GcMemoryAllocationTest

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PrintHelp();
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List<string> list1 = new List<string>();
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List<string> list2 = new List<string>();
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List<string> list3 = new List<string>();
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List<string> list4 = new List<string>();
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CancellationTokenSource cts = new CancellationTokenSource();
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void AddStringsToList(List<string> list)
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{
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    while (true)
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    {
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        if (cts.Token.IsCancellationRequested)
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            break;
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        list.Add($"String added at {DateTime.Now}");
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    }
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}
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void ClearList(List<string> list)
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{
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    list.Clear();
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    list.TrimExcess();
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}
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void PrintHelp()
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{
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    Console.WriteLine("=== Application Help ===");
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    Console.WriteLine("Available commands:");
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    Console.WriteLine("start    - Start adding strings to the lists.");
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    Console.WriteLine("stop     - Stop adding strings to the lists and exit the application.");
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    Console.WriteLine("continue - The tasks are already running.");
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    Console.WriteLine("clear    - Clear all the lists.");
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    Console.WriteLine("gc       - Call the garbage collector.");
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    Console.WriteLine("help     - Display this help message.");
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    Console.WriteLine("========================");
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}
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var isStarted = false;
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var tasks = new List<Task>();
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while (true)
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{
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    string? input = Console.ReadLine();
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    if (input == "start")
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    {
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        if (isStarted)
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        {
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            Console.WriteLine("The tasks are already running.");
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            continue;
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        }
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        cts = new CancellationTokenSource();
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        tasks.Add(Task.Run(() => AddStringsToList(list1), cts.Token));
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        tasks.Add(Task.Run(() => AddStringsToList(list2), cts.Token));
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        tasks.Add(Task.Run(() => AddStringsToList(list3), cts.Token));
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        tasks.Add(Task.Run(() => AddStringsToList(list4), cts.Token));
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        isStarted = true;
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        Console.WriteLine("Tasks started.");
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    }
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    else if (input == "stop")
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    {
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        if (!isStarted)
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        {
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            Console.WriteLine("The tasks are not running.");
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            continue;
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        }
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        cts.Cancel();
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        await Task.WhenAll(tasks);
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        isStarted = false;
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        Console.WriteLine("Tasks stopped.");
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    }
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    else if (input == "clear")
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    {
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        if (isStarted)
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        {
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            Console.WriteLine("Stop tasks before clearing.");
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            continue;
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        }
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        ClearList(list1);
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        ClearList(list2);
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        ClearList(list3);
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        ClearList(list4);
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        Console.WriteLine("Lists cleared.");
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    }
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    else if (input == "gc")
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    {
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        GC.Collect();
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        GC.WaitForPendingFinalizers();
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        Console.WriteLine("Garbage collector called.");
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    }
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    else if (input == "exit")
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    {
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        break;
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    }
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    else if (input == "help")
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    {
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        PrintHelp();
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    }
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}
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Console.WriteLine("Testing has been finished. Press any key to exit ...");
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