public void CheckCountOfActiveThreads()
{
const int numOfThreads = 100;
var threadPool = new MyThreadPool(numOfThreads);
Assert.AreEqual(numOfThreads, threadPool.GetCountOfActiveThreads());
const int numOfTasks = 100;
for (int i = 0; i < numOfTasks; i++)
{
threadPool.AddTask(() => 1);
}
Assert.AreEqual(numOfThreads, threadPool.GetCountOfActiveThreads());
threadPool.Shutdown();
Assert.AreEqual(0, threadPool.GetCountOfActiveThreads());
}