TEST(RxTest, SubscribeDuringCallback) {
// A subscriber who was subscribed in the course of a callback should get
// subsequent updates but not the current update.
Subject<int> subject;
int outerCount = 0;
int innerCount = 0;
subject.subscribe(Observer<int>::create([&] (int x) {
outerCount++;
subject.subscribe(Observer<int>::create([&] (int y) {
innerCount++;
}));
}));
subject.onNext(42);
subject.onNext(0xDEADBEEF);
EXPECT_EQ(2, outerCount);
EXPECT_EQ(1, innerCount);
}
void notifySubscribers(uint iters, int N) {
for (uint iter = 0; iter < iters; iter++) {
BenchmarkSuspender bs;
Subject<int> subject;
std::vector<std::unique_ptr<Observer<int>>> observers;
std::vector<Subscription<int>> subscriptions;
subscriptions.reserve(N);
for (int i = 0; i < N; i++) {
observers.push_back(makeObserver());
}
for (int i = 0; i < N; i++) {
subscriptions.push_back(subject.subscribe(std::move(observers[i])));
}
bs.dismiss();
subject.onNext(42);
bs.rehire();
}
}
void subscribeImpl(uint iters, int N, bool countUnsubscribe) {
for (uint iter = 0; iter < iters; iter++) {
BenchmarkSuspender bs;
Subject<int> subject;
std::vector<std::unique_ptr<Observer<int>>> observers;
std::vector<Subscription<int>> subscriptions;
subscriptions.reserve(N);
for (int i = 0; i < N; i++) {
observers.push_back(makeObserver());
}
bs.dismiss();
for (int i = 0; i < N; i++) {
subscriptions.push_back(subject.subscribe(std::move(observers[i])));
}
if (countUnsubscribe) {
subscriptions.clear();
}
bs.rehire();
}
}
void subscribe(Observer* view_object) {
subject_->subscribe(view_object);
}
