public void Empty_Queue()
{
var threadSafeQueue = new ThreadSafeQueueSemaphore <int>();
Assert.True(threadSafeQueue.IsEmpty());
Assert.False(threadSafeQueue.IsFull());
}
public void Add_Element_On_Queue()
{
var threadSafeQueue = new ThreadSafeQueueSemaphore <int>();
threadSafeQueue.Enqueue(1);
Assert.False(threadSafeQueue.IsEmpty());
Assert.False(threadSafeQueue.IsFull());
}
public void Enqueue_Then_Dequeue_An_Element()
{
int elementToAdd = 1;
var threadSafeQueue = new ThreadSafeQueueSemaphore <int>();
threadSafeQueue.Enqueue(elementToAdd);
var element = threadSafeQueue.Dequeue();
Assert.True(threadSafeQueue.IsEmpty());
Assert.False(threadSafeQueue.IsFull());
Assert.Equal(elementToAdd, element);
}
public void Add_Element_On_Queue_Until_Full_It()
{
var threadSafeQueue = new ThreadSafeQueueSemaphore <int>();
threadSafeQueue.Enqueue(1);
threadSafeQueue.Enqueue(2);
threadSafeQueue.Enqueue(3);
threadSafeQueue.Enqueue(4);
threadSafeQueue.Enqueue(5);
Assert.False(threadSafeQueue.IsEmpty());
Assert.True(threadSafeQueue.IsFull());
}
public void Dequeue_Only_After_Enqueue()
{
int element = 1;
var multiThreadQueue = new ThreadSafeQueueSemaphore <int>();
Task enqueueTask = Task.Run(() =>
{
Task.Delay(500).Wait();
multiThreadQueue.Enqueue(element);
});
var elementDequeued = multiThreadQueue.Dequeue();
Assert.Equal(element, elementDequeued);
Assert.True(multiThreadQueue.IsEmpty());
Assert.False(multiThreadQueue.IsFull());
}
public void MultiThread_Scenario()
{
var multiThreadQueue = new ThreadSafeQueueSemaphore <int>();
int elementToAdd = 1;
Task dequeueTask = Task.Run(() =>
{
Task.Delay(500).Wait();
var value = multiThreadQueue.Dequeue();
Assert.Equal(elementToAdd, value);
});
Task enqueueTask = Task.Run(() =>
{
multiThreadQueue.Enqueue(elementToAdd);
multiThreadQueue.Enqueue(elementToAdd);
multiThreadQueue.Enqueue(elementToAdd);
multiThreadQueue.Enqueue(elementToAdd);
multiThreadQueue.Enqueue(elementToAdd);
});
Task.WaitAll(enqueueTask, dequeueTask);
}
