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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Threading;
using System.Diagnostics;
public class VSTSTest
{
static int _threadCount = 16;
static int _minSize = 200 * 1024;
static int _maxSize = 250 * 1024;
static int _holdSize = 100;
static int _maxCount = 100;
static int _count = 0;
static bool _done = false;
static long _maxPrivate = 0;
static object lockObject = new Object();
// each worker will hold *in the worst case scenario* 100 * 250k * 2 = 50MB
// all 16 threads will hold in the worst case scenario 800MB
static void Worker(object ctx)
{
string[] s = new string[_holdSize];
Random rnd = new Random();
for (int i = 0; i < _holdSize; i++)
{
Thread.Sleep(rnd.Next(50, 100));
s[i] = new string('x', rnd.Next(_minSize, _maxSize));
long _private = Process.GetCurrentProcess().PrivateMemorySize64;
lock (lockObject)
{
if (_private > _maxPrivate)
_maxPrivate = _private;
}
}
if (_count++ >= _maxCount)
_done = true;
if (!_done)
ThreadPool.QueueUserWorkItem(Worker);
}
static public void Allocate()
{
for (int i = 0; i < _threadCount; i++)
{
ThreadPool.QueueUserWorkItem(Worker);
}
}
public static void Main(string[] args)
{
Allocate();
while (!_done)
{
Thread.Sleep(0);
}
}
}
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