public void ShouldIsolate()
{
var semaphore = new SystemSemaphore();
var result = 0;
var threads = new List<Thread>();
for (var i = 0; i < 4; i++)
{
threads.Add(new Thread(new ThreadStart(delegate
{
using (semaphore.Acquire("CalamariTest", "Another process is performing arithmetic, please wait"))
{
result = 1;
Thread.Sleep(200);
result = result + 1;
Thread.Sleep(200);
result = result + 1;
}
})));
}
foreach (var thread in threads)
thread.Start();
foreach (var thread in threads)
thread.Join();
Assert.That(result, Is.EqualTo(3));
}
