void NotificationQueueTest::testQueueDequeueUrgent()
{
NotificationQueue queue;
queue.enqueueNotification(new QTestNotification("first"));
queue.enqueueNotification(new QTestNotification("second"));
queue.enqueueUrgentNotification(new QTestNotification("third"));
assert (!queue.empty());
assert (queue.size() == 3);
QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
assertNotNullPtr(pTNf);
assert (pTNf->data() == "third");
pTNf->release();
assert (!queue.empty());
assert (queue.size() == 2);
pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
assert (pTNf->data() == "first");
pTNf->release();
assert (!queue.empty());
assert (queue.size() == 1);
pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
assertNotNullPtr(pTNf);
assert (pTNf->data() == "second");
pTNf->release();
assert (queue.empty());
assert (queue.size() == 0);
Notification* pNf = queue.dequeueNotification();
assertNullPtr(pNf);
}
void NotificationQueueTest::testQueueRemove()
{
NotificationQueue queue;
Notification::Ptr frontNotification = new QTestNotification("front");
Notification::Ptr middleNotification = new QTestNotification("middle");
Notification::Ptr backNotification = new QTestNotification("back");
queue.enqueueNotification(frontNotification);
queue.enqueueNotification(new QTestNotification("dummy"));
queue.enqueueNotification(middleNotification);
queue.enqueueNotification(new QTestNotification("dummy"));
queue.enqueueNotification(backNotification);
assert (queue.size() == 5);
assert (queue.remove(frontNotification));
assert (queue.size() == 4);
assert (queue.remove(middleNotification));
assert (queue.size() == 3);
assert (queue.remove(backNotification));
assert (queue.size() == 2);
assert (!queue.remove(backNotification));
assert (queue.size() == 2);
}
void NotificationQueueTest::testWaitDequeue()
{
NotificationQueue queue;
queue.enqueueNotification(new QTestNotification("third"));
queue.enqueueNotification(new QTestNotification("fourth"));
assert (!queue.empty());
assert (queue.size() == 2);
QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(10));
assertNotNullPtr(pTNf);
assert (pTNf->data() == "third");
pTNf->release();
assert (!queue.empty());
assert (queue.size() == 1);
pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(10));
assertNotNullPtr(pTNf);
assert (pTNf->data() == "fourth");
pTNf->release();
assert (queue.empty());
assert (queue.size() == 0);
Notification* pNf = queue.waitDequeueNotification(10);
assertNullPtr(pNf);
}
void DatabaseTracker::notifyDatabasesChanged()
{
// Note that if DatabaseTracker ever becomes non-singleton, we'll have to amend this notification
// mechanism to include which tracker the notification goes out on as well.
DatabaseTracker& theTracker(tracker());
NotificationQueue notifications;
{
LockHolder locker(notificationMutex());
notifications.swap(notificationQueue());
notificationScheduled = false;
}
if (!theTracker.m_client)
return;
for (unsigned i = 0; i < notifications.size(); ++i)
theTracker.m_client->dispatchDidModifyDatabase(notifications[i].first.get(), notifications[i].second);
}
