private static IWorkItemWaiterEntry CreateNotSignalableWorkItemWaiterEntry()
{
IWorkItemWaiterEntry workItemWaiterEntry = Substitute.For <IWorkItemWaiterEntry>();
workItemWaiterEntry.TrySignal(null).ReturnsForAnyArgs(false);
return(workItemWaiterEntry);
}
public void EnqueueTrySignalMethodShouldBeCalledWhenWaitingStackIsNotEmpty()
{
IWorkItemWaiterEntry workItemWaiterEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntryStack workItemWaiterEntryStack = Substitute.For <IWorkItemWaiterEntryStack>();
int count = 1;
workItemWaiterEntryStack.Count.Returns(x => count);
workItemWaiterEntryStack.Pop().Returns(
x =>
{
if (count == 1)
{
count = 0;
return(workItemWaiterEntry);
}
return(null);
});
WorkItemQueue workItemQueue = new WorkItemQueue(1 * 1000, workItemWaiterEntryStack);
IWorkItem workItem = Substitute.For <IWorkItem>();
workItemQueue.Enqueue(workItem);
workItemWaiterEntry.Received(1).TrySignal(workItem);
}
/// <summary>
/// Ýþ parçasý bekleyici kaydý yýðýnýna bir tane kayýt ekler.
/// </summary>
/// <param name="workItemWaiterEntry">Ýþ parçasý bekleyici kaydý.</param>
public void Push(IWorkItemWaiterEntry workItemWaiterEntry)
{
if (workItemWaiterEntry == null)
{
throw new ArgumentNullException("workItemWaiterEntry");
}
m_WorkItemWaiterEntries.AddFirst(workItemWaiterEntry);
}
/// <summary>
/// Ýþ parçasý bekleyici kaydý yýðýnýna bir tane kayýt ekler.
/// </summary>
/// <param name="workItemWaiterEntry">Ýþ parçasý bekleyici kaydý.</param>
public void Push(IWorkItemWaiterEntry workItemWaiterEntry)
{
if (workItemWaiterEntry == null)
{
throw new ArgumentNullException("workItemWaiterEntry");
}
m_WorkItemWaiterEntries.AddFirst(workItemWaiterEntry);
}
public void PeekShouldReturnTheOnlyItemAndShouldNotRemovwItemWhenStackHasOneItems()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry entry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(entry);
Assert.AreEqual(entry, stack.Peek());
Assert.AreEqual(1, stack.Count);
Assert.AreEqual(entry, stack.Peek());
Assert.AreEqual(1, stack.Count);
}
/// <summary>
/// Ýþ parçasý bekleyici kaydý yýðýnýnýn en üstteki kaydýný yýðýndan çýkarmadan döndürür.
/// </summary>
/// <returns>Yýðýnýn en üstündeki iþ parçasý bekleyici kaydý.</returns>
public IWorkItemWaiterEntry Peek()
{
LinkedListNode <IWorkItemWaiterEntry> firstNode = m_WorkItemWaiterEntries.First;
if (firstNode == null)
{
return(null);
}
IWorkItemWaiterEntry first = firstNode.Value;
return(first);
}
public void PopShouldReturnTheOnlyItemAndSetCountToZeroWhenStackHasOneItems()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry entry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(entry);
Assert.AreEqual(entry, stack.Pop());
Assert.AreEqual(0, stack.Count);
Assert.AreEqual(null, stack.Pop());
Assert.AreEqual(0, stack.Count);
}
public void RemoveShouldReturnFalseIfTheSpecifiedItemIsNotFoundInTheStack()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry firstEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntry lastEntry = Substitute.For <IWorkItemWaiterEntry>();
Assert.AreEqual(false, stack.Remove(firstEntry));
stack.Push(firstEntry);
Assert.AreEqual(1, stack.Count);
Assert.AreEqual(false, stack.Remove(lastEntry));
}
public void EnqueueTrySignalMethodShouldNotBeCalledWhenWaitingStackIsEmpty()
{
IWorkItemWaiterEntry workItemWaiterEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntryStack workItemWaiterEntryStack = Substitute.For <IWorkItemWaiterEntryStack>();
workItemWaiterEntryStack.Count.Returns(0);
WorkItemQueue workItemQueue = new WorkItemQueue(1 * 1000, workItemWaiterEntryStack);
IWorkItem workItem = Substitute.For <IWorkItem>();
workItemQueue.Enqueue(workItem);
workItemWaiterEntry.DidNotReceiveWithAnyArgs().TrySignal(workItem);
}
public void PushShouldAddTheItemToFirstPlace()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry firstEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntry lastEntry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(firstEntry);
Assert.AreEqual(1, stack.Count);
Assert.AreEqual(firstEntry, stack.Peek());
stack.Push(lastEntry);
Assert.AreEqual(lastEntry, stack.Peek());
Assert.AreEqual(2, stack.Count);
}
public void PeekShouldReturnLastAddedItemAndShouldNotRemoveItemWhenStackHasMoreThanOneItems()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry firstEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntry lastEntry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(firstEntry);
stack.Push(lastEntry);
Assert.AreEqual(2, stack.Count);
Assert.AreEqual(lastEntry, stack.Peek());
Assert.AreEqual(2, stack.Count);
Assert.AreEqual(lastEntry, stack.Peek());
Assert.AreEqual(2, stack.Count);
}
public void EnqueueShouldNotAddWorkItemToQueueWhenWaiterIsSignaled()
{
IWorkItem workItem = Substitute.For <IWorkItem>();
IWorkItemWaiterEntry workItemWaiterEntry = Substitute.For <IWorkItemWaiterEntry>();
workItemWaiterEntry.TrySignal(workItem).Returns(true);
IWorkItemWaiterEntryStack workItemWaiterEntryStack = Substitute.For <IWorkItemWaiterEntryStack>();
workItemWaiterEntryStack.Count.Returns(1);
workItemWaiterEntryStack.Pop().Returns(workItemWaiterEntry);
WorkItemQueue workItemQueue = new WorkItemQueue(1 * 1000, workItemWaiterEntryStack);
workItemQueue.Enqueue(workItem);
Assert.AreEqual(0, workItemQueue.Count);
}
/// <summary>
/// Ýþ parçasýný kuyruða atar.
/// </summary>
/// <param name="workItem">Ýþ parçasý.</param>
public void Enqueue(IWorkItem workItem)
{
if (workItem == null)
{
throw new ArgumentNullException("workItem");
}
lock (this)
{
if (m_IsShutDown)
{
throw new LaboThreadingException("Ýþ parçasý kuyruðu iþ parçasý eklemeye kapatýlmýþtýr. Yeni iþ parçasý ekleyemezsiniz.");
}
bool enqueue = true;
// Eðer bekleyen Thread varsa iþ parçasýný ona yollayacaðýz.
while (m_WorkItemWaiterEntryStack.Count > 0)
{
// Dequeue a waiter.
IWorkItemWaiterEntry waiterEntry = m_WorkItemWaiterEntryStack.Pop();
// Eðer zaman aþýmý yoksa iþ parçasý bekleyen Thread'e iþlenmesi için yolluyoruz ve kuyruða eklememize gerek kalmýyor.
if (waiterEntry.TrySignal(workItem))
{
workItem.State = WorkItemState.Scheduled;
enqueue = false;
break;
}
}
// Hiç bekleyen Thread yoksa iþ parçasýný kuyruða ekliyoruz.
if (enqueue)
{
workItem.State = WorkItemState.Queued;
// Enqueue the work item
m_WorkItemsQueue.Enqueue(workItem);
}
}
}
public void PopShouldReturnLastAddedItemAndDecrementCountWhenStackHasMoreThanOneItems()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry firstEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntry lastEntry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(firstEntry);
stack.Push(lastEntry);
Assert.AreEqual(2, stack.Count);
Assert.AreEqual(lastEntry, stack.Pop());
Assert.AreEqual(1, stack.Count);
Assert.AreEqual(firstEntry, stack.Pop());
Assert.AreEqual(0, stack.Count);
Assert.AreEqual(null, stack.Pop());
Assert.AreEqual(0, stack.Count);
}
public void RemoveShouldRemoveItemFromStack()
{
WorkItemWaiterEntryStack stack = new WorkItemWaiterEntryStack();
IWorkItemWaiterEntry firstEntry = Substitute.For <IWorkItemWaiterEntry>();
IWorkItemWaiterEntry lastEntry = Substitute.For <IWorkItemWaiterEntry>();
stack.Push(firstEntry);
stack.Push(lastEntry);
Assert.AreEqual(2, stack.Count);
Assert.AreEqual(lastEntry, stack.Peek());
Assert.AreEqual(true, stack.Remove(lastEntry));
Assert.AreEqual(firstEntry, stack.Peek());
Assert.AreEqual(1, stack.Count);
Assert.AreEqual(true, stack.Remove(firstEntry));
Assert.AreEqual(0, stack.Count);
}
/// <summary>
/// Ýþ parçasý bekleyici kaydý yýðýnýna bir tane kayýt çýkarýr.
/// </summary>
/// <param name="workItemWaiterEntry">Ýþ parçasý bekleyici kaydý.</param>
/// <returns><c>true</c> eðer iþ parçasý bekleyici kaydý çýkarýldýysa, yoksa; <c>false</c></returns>
public bool Remove(IWorkItemWaiterEntry workItemWaiterEntry)
{
return(m_WorkItemWaiterEntries.Remove(workItemWaiterEntry));
}
/// <summary>
/// Ýþ parçasý bekleyici kaydý yýðýnýna bir tane kayýt çýkarýr.
/// </summary>
/// <param name="workItemWaiterEntry">Ýþ parçasý bekleyici kaydý.</param>
/// <returns><c>true</c> eðer iþ parçasý bekleyici kaydý çýkarýldýysa, yoksa; <c>false</c></returns>
public bool Remove(IWorkItemWaiterEntry workItemWaiterEntry)
{
return m_WorkItemWaiterEntries.Remove(workItemWaiterEntry);
}
