public void TestQueueIsEmptyAfterDequeueingEnqueuedElements(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var elements = new List <int>();
var producers = new List <Task>(n);
for (var i = 0; i < n; i++)
{
var value = i + 1;
elements.Add(value);
producers.Add(new Task(() => queue.Enqueue(value)));
}
producers.ForEach(p => p.Start());
producers.ForEach(p => p.Wait());
var consumers = new List <Task>(10);
for (var i = 0; i < n; i++)
{
consumers.Add(new Task(() => queue.Dequeue()));
}
consumers.ForEach(c => c.Start());
consumers.ForEach(c => c.Wait());
Assert.True(queue.IsEmpty());
}
public void TestTryDequeueOnEmptyQueueFails(IBlockingArrayQueue <int> queue)
{
queue.Clear();
var value = 0;
Assert.False(queue.TryDequeue(ref value));
}
public void TestTryDequeueIsSuccessfulOnNotEmptyQueue(IBlockingArrayQueue <int> queue)
{
queue.Clear();
queue.Enqueue(1);
var value = 0;
Assert.True(queue.TryDequeue(ref value));
}
public void TestTryDequeueDequeuesEnqueuedElement(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int element = 1;
queue.Enqueue(element);
var dequeuedElement = 0;
queue.TryDequeue(ref dequeuedElement);
Assert.AreEqual(element, dequeuedElement);
}
public void TestQueueIsNotEmptyAfterEnqueueingElements(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var producers = new List <Task>(n);
for (var i = 0; i < n; i++)
{
var value = i + 1;
producers.Add(new Task(() => queue.Enqueue(value)));
}
producers.ForEach(p => p.Start());
producers.ForEach(p => p.Wait());
Assert.False(queue.IsEmpty());
}
public void TestTryEnqueueOnFullQueueFails(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var producers = new List <Task>(10);
for (var i = 0; i < n; i++)
{
var value = i + 1;
producers.Add(new Task(() => queue.Enqueue(value)));
}
producers.ForEach(p => p.Start());
producers.ForEach(p => p.Wait());
Assert.False(queue.TryEnqueue(11));
}
public void TestClearClearesQueue(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var producers = new List <Task>(10);
for (var i = 0; i < n; i++)
{
var value = i + 1;
producers.Add(new Task(() => queue.Enqueue(value)));
}
producers.ForEach(p => p.Start());
producers.ForEach(p => p.Wait());
queue.Clear();
Assert.That(queue.IsEmpty);
}
public void TestQueueContainsEnqueuedElements(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var elements = new List <int>();
var producers = new List <Task>(n);
for (var i = 0; i < n; i++)
{
var value = i + 1;
elements.Add(value);
producers.Add(new Task(() => queue.Enqueue(value)));
}
producers.ForEach(p => p.Start());
producers.ForEach(p => p.Wait());
while (!queue.IsEmpty())
{
Assert.True(elements.Contains(queue.Dequeue()));
}
}
public void TestEmptyQueueHasSize0(IBlockingArrayQueue <int> queue)
{
queue.Clear();
Assert.AreEqual(0, queue.Size());
}
public void TestEmptyQueueIsEmpty(IBlockingArrayQueue <int> queue)
{
queue.Clear();
Assert.That(queue.IsEmpty);
}
public void TestTryEnqueueIsSuccessfulOnNotFullQueue(IBlockingArrayQueue <int> queue)
{
queue.Clear();
Assert.True(queue.TryEnqueue(1));
}
public void TestQueueRemainsEmptyAfterSameNumberOfSimultaneousEnqueuesAndDequeues(IBlockingArrayQueue <int> queue)
{
queue.Clear();
const int n = 10;
var elements = new List <int>();
var producersAndConsumers = new List <Task>(n);
for (var i = 0; i < n; i++)
{
var value = i + 1;
elements.Add(value);
producersAndConsumers.Add(new Task(() => queue.Enqueue(value)));
producersAndConsumers.Add(new Task(() => queue.Dequeue()));
}
producersAndConsumers.ForEach(p => p.Start());
producersAndConsumers.ForEach(p => p.Wait());
Assert.True(queue.IsEmpty());
}
