public void Init()
{
PriorityQueue pq = new PriorityQueue();
Assert.AreEqual(0, pq.Count);
Assert.IsNull(pq.Dequeue());
Assert.AreEqual(0, pq.Count);
}
public void MultipleWorkItemsMultiplePriorities()
{
// Get all the available priorities
WorkItemPriority [] priorities = Enum.GetValues(typeof(WorkItemPriority)) as WorkItemPriority [];
// Create an array of priority items
PriorityItem [] priorityItems = new PriorityItem[priorities.Length];
// Create a priority item for each priority
int i = priorities.Length;
foreach(WorkItemPriority workItemPriority in priorities)
{
--i;
priorityItems[i] = new PriorityItem(workItemPriority);
}
// Create a PermutationGenerator for the priority items
PermutationGenerator permutations = new PermutationGenerator(priorityItems);
int count = 0;
// Iterate over the permutations
foreach(object [] permutation in permutations)
{
++count;
Console.Write("Permutation #" + count + " : ");
for(int j = 0; j < permutation.Length; ++j)
{
PriorityItem pi = permutation[j] as PriorityItem;
Console.Write(pi.WorkItemPriority + ", ");
}
Console.WriteLine();
// Create a priority queue
PriorityQueue pq = new PriorityQueue();
// Enqueue each priority item according to the permutation
for(i = 0; i < permutation.Length; ++i)
{
PriorityItem priorityItem = permutation[i] as PriorityItem;
pq.Enqueue(priorityItem);
}
// Make sure all the priority items are in the queue
Assert.AreEqual(priorityItems.Length, pq.Count);
// Compare the order of the priority items
for(i = 0; i < priorityItems.Length; ++i)
{
PriorityItem priorityItem = pq.Dequeue() as PriorityItem;
Assert.AreSame(priorityItems[i], priorityItem);
}
}
}
public void OneWorkItem()
{
WorkItemPriority [] priorities = Enum.GetValues(typeof(WorkItemPriority)) as WorkItemPriority [];
foreach(WorkItemPriority wip in priorities)
{
PriorityQueue pq = new PriorityQueue();
PriorityItem pi = new PriorityItem(wip);
pq.Enqueue(pi);
Assert.AreEqual(1, pq.Count, "Failed for priority {0}", wip);
PriorityItem pi2 = pq.Dequeue() as PriorityItem;
Assert.IsNotNull(pi2, "Failed for priority {0}", wip);
Assert.AreSame(pi, pi2, "Failed for priority {0}", wip);
Assert.AreEqual(0, pq.Count, "Failed for priority {0}", wip);
}
}
public void MultipleWorkItemsOnePriority()
{
WorkItemPriority [] priorities = Enum.GetValues(typeof(WorkItemPriority)) as WorkItemPriority [];
foreach(WorkItemPriority wip in priorities)
{
PriorityQueue pq = new PriorityQueue();
PriorityItem [] priorityItems = new PriorityItem[10];
for(int i = 0; i < priorityItems.Length; ++i)
{
priorityItems[i] = new PriorityItem(wip);
pq.Enqueue(priorityItems[i]);
Assert.AreEqual(i+1, pq.Count, "Failed for priority {0} item count {1}", wip, i+1);
}
for(int i = 0; i < priorityItems.Length; ++i)
{
PriorityItem pi = pq.Dequeue() as PriorityItem;
Assert.AreEqual(priorityItems.Length-(i+1), pq.Count, "Failed for priority {0} item count {1}", wip, i+1);
Assert.IsNotNull(pi, "Failed for priority {0} item count {1}", wip, i+1);
Assert.AreSame(pi, priorityItems[i], "Failed for priority {0} item count {1}", wip, i+1);
}
Assert.AreEqual(0, pq.Count, "Failed for priority {0}", wip);
Assert.IsNull(pq.Dequeue());
Assert.AreEqual(0, pq.Count);
}
}
public WorkItemsGroup(
SmartThreadPool stp,
int concurrency,
WIGStartInfo wigStartInfo)
{
if (concurrency <= 0)
{
throw new ArgumentOutOfRangeException(
"concurrency",
#if !(WindowsCE)
concurrency,
#endif
"concurrency must be greater than zero");
}
_stp = stp;
_concurrency = concurrency;
_workItemsGroupStartInfo = new WIGStartInfo(wigStartInfo).AsReadOnly();
_workItemsQueue = new PriorityQueue();
Name = "WorkItemsGroup";
// The _workItemsInStpQueue gets the number of currently executing work items,
// because once a work item is executing, it cannot be cancelled.
_workItemsInStpQueue = _workItemsExecutingInStp;
_isSuspended = _workItemsGroupStartInfo.StartSuspended;
}
public WorkItemsGroup(
SmartThreadPool stp,
int concurrency,
WIGStartInfo wigStartInfo)
{
if (concurrency <= 0)
{
throw new ArgumentOutOfRangeException("concurrency", concurrency,
"concurrency must be greater than zero");
}
_stp = stp;
_concurrency = concurrency;
_workItemsGroupStartInfo = new WIGStartInfo(wigStartInfo);
_workItemsQueue = new PriorityQueue();
// The _workItemsInStpQueue gets the number of currently executing work items,
// because once a work item is executing, it cannot be cancelled.
_workItemsInStpQueue = _workItemsExecutingInStp;
}