TEST(A1MarkingEventQueueTests, TimerTests) {
// Test timers function as expected on event queue (e.g., that they
// are serviced on a regular basis)
const long SLEEP_TIME = 1000000/1000;
EventQueue* eventQueue = new EventQueue();
TimerListenerCounter repeatingListener;
TimerListenerCounter oneShotListener;
EXPECT_EQ(0, MemoryTrackingTimer::num_allocated);
MemoryTrackingTimer* repeatingTimer = new MemoryTrackingTimer(eventQueue, 0, true, &repeatingListener);
MemoryTrackingTimer* oneShotTimer = new MemoryTrackingTimer(eventQueue, 0, false, &oneShotListener);
EXPECT_EQ(2, MemoryTrackingTimer::num_allocated);
EXPECT_EQ(0, eventQueue->GetNumTimers());
EXPECT_EQ(0, repeatingListener.num_times_called);
EXPECT_EQ(0, oneShotListener.num_times_called);
EXPECT_FALSE(repeatingTimer->IsRunning());
EXPECT_FALSE(oneShotTimer->IsRunning());
EXPECT_FALSE(repeatingTimer->IsRunning());
EXPECT_FALSE(oneShotTimer->IsRunning());
repeatingTimer->Start();
EXPECT_EQ(1, eventQueue->GetNumTimers());
oneShotTimer->Start();
EXPECT_EQ(2, eventQueue->GetNumTimers());
EXPECT_TRUE(repeatingTimer->IsRunning());
EXPECT_TRUE(oneShotTimer->IsRunning());
EXPECT_EQ(0, repeatingListener.num_times_called);
EXPECT_EQ(0, oneShotListener.num_times_called);
usleep(SLEEP_TIME);
EXPECT_EQ(0, eventQueue->GetNumEventsInQueue());
eventQueue->ProcessNextEvent();
EXPECT_EQ(1, eventQueue->GetNumEventsInQueue());
EXPECT_EQ(1, repeatingListener.num_times_called);
EXPECT_EQ(0, oneShotListener.num_times_called);
EXPECT_EQ(1, eventQueue->GetNumTimers());
EXPECT_EQ(2, MemoryTrackingTimer::num_allocated);
EXPECT_TRUE(repeatingTimer->IsRunning());
EXPECT_FALSE(oneShotTimer->IsRunning());
eventQueue->ProcessNextEvent();
EXPECT_EQ(1, oneShotListener.num_times_called);
EXPECT_EQ(1, eventQueue->GetNumTimers());
EXPECT_EQ(2, MemoryTrackingTimer::num_allocated);
EXPECT_TRUE(repeatingTimer->IsRunning());
EXPECT_FALSE(oneShotTimer->IsRunning());
usleep(SLEEP_TIME);
eventQueue->ProcessNextEvent();
EXPECT_EQ(2, repeatingListener.num_times_called);
EXPECT_EQ(1, oneShotListener.num_times_called);
delete repeatingTimer;
EXPECT_EQ(1, MemoryTrackingTimer::num_allocated);
EXPECT_EQ(0, eventQueue->GetNumTimers());
delete oneShotTimer;
EXPECT_EQ(0, MemoryTrackingTimer::num_allocated);
EXPECT_EQ(0, eventQueue->GetNumTimers());
delete eventQueue;
}
