public void SetMinimumWorkerThreadsCountShouldThrowExceptionWhenMinimumThreadsCountIsBiggerThanMaximumCount()
{
WorkerThreadPool workerThreadPool = new WorkerThreadPool(2, 3);
Assert.Throws <ArgumentOutOfRangeException>(() => workerThreadPool.SetMinimumWorkerThreadsCount(4));
workerThreadPool.Shutdown(true, 500);
}
public void SetMinimumWorkerThreadsCountShouldThrowExceptionWhenMinimumThreadsCountIsLessThanZero()
{
WorkerThreadPool workerThreadPool = new WorkerThreadPool(0, 1);
Assert.Throws <ArgumentOutOfRangeException>(() => workerThreadPool.SetMinimumWorkerThreadsCount(-1));
workerThreadPool.Shutdown(true, 500);
}
public void SetMinimumWorkerThreadsCountShouldNotAddWorkerThreadsWhenMinimumThreadsCountIncreasesAndThereIsWorkItemsInTheQueue()
{
ManualFinishWorkItemQueueStub manualFinishWorkItemQueueStub = new ManualFinishWorkItemQueueStub();
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
int exitedWorkerThreadCount = 0;
WorkerThreadPool workerThreadPool = new WorkerThreadPool(manualFinishWorkItemQueueStub, 2, 4);
workerThreadPool.WorkerThreadExiting += (sender, args) =>
{
if (Interlocked.Increment(ref exitedWorkerThreadCount) >= 1)
{
manualResetEvent.Set();
}
};
manualFinishWorkItemQueueStub.WaitAllStart(500);
Assert.AreEqual(4, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(4, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
Assert.AreEqual(1, manualFinishWorkItemQueueStub.Count);
workerThreadPool.SetMinimumWorkerThreadsCount(3);
Assert.AreEqual(4, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(4, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
Assert.AreEqual(1, manualFinishWorkItemQueueStub.Count);
manualFinishWorkItemQueueStub.StopAll();
manualResetEvent.WaitOne();
Assert.AreEqual(3, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(0, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
workerThreadPool.Shutdown(true, 500);
}
public void SetMinimumWorkerThreadsCountShouldThrowExceptionWhenMinimumThreadsCountIsBiggerThanMaximumCount()
{
WorkerThreadPool workerThreadPool = new WorkerThreadPool(2, 3);
Assert.Throws<ArgumentOutOfRangeException>(() => workerThreadPool.SetMinimumWorkerThreadsCount(4));
workerThreadPool.Shutdown(true, 500);
}
public void SetMinimumWorkerThreadsCountShouldThrowExceptionWhenMinimumThreadsCountIsLessThanZero()
{
WorkerThreadPool workerThreadPool = new WorkerThreadPool(0, 1);
Assert.Throws<ArgumentOutOfRangeException>(() => workerThreadPool.SetMinimumWorkerThreadsCount(-1));
workerThreadPool.Shutdown(true, 500);
}
public void SetMinimumWorkerThreadsCountShouldNotAddWorkerThreadsWhenMinimumThreadsCountIncreasesAndThereIsWorkItemsInTheQueue()
{
ManualFinishWorkItemQueueStub manualFinishWorkItemQueueStub = new ManualFinishWorkItemQueueStub();
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
manualFinishWorkItemQueueStub.Enqueue(new ManualFinishWorkItem());
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
int exitedWorkerThreadCount = 0;
WorkerThreadPool workerThreadPool = new WorkerThreadPool(manualFinishWorkItemQueueStub, 2, 4);
workerThreadPool.WorkerThreadExiting += (sender, args) =>
{
if (Interlocked.Increment(ref exitedWorkerThreadCount) >= 1)
{
manualResetEvent.Set();
}
};
manualFinishWorkItemQueueStub.WaitAllStart(500);
Assert.AreEqual(4, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(4, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
Assert.AreEqual(1, manualFinishWorkItemQueueStub.Count);
workerThreadPool.SetMinimumWorkerThreadsCount(3);
Assert.AreEqual(4, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(4, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
Assert.AreEqual(1, manualFinishWorkItemQueueStub.Count);
manualFinishWorkItemQueueStub.StopAll();
manualResetEvent.WaitOne();
Assert.AreEqual(3, workerThreadPool.WorkerThreadsCount);
Assert.AreEqual(0, workerThreadPool.WorkerThreads.Count(x => x.IsBusy));
workerThreadPool.Shutdown(true, 500);
}