public void ToArray()
        {
            ConcurrentPriorityQueue <int> target = new ConcurrentPriorityQueue <int>();

            const int count = 10;

            for (int i = 0; i < count; i++)
            {
                target.Add(i);
            }

            var result = target.ToArray();

            // Priority queue is max-based so greater items comes first
            for (int i = 0; i < count; i++)
            {
                Assert.AreEqual(count - i - 1, result[i]);
            }
        }
 /// <summary>
 /// Get all the queue items in an array
 /// </summary>
 /// <returns></returns>
 public QueueItemType[] getAllQueuedItems()
 {
     return(queue.ToArray().Select(item => item.Value).ToArray());
 }