@Test
public void asyncFusion() {
AssertSubscriber<Object> ts = AssertSubscriber.create();
UnicastProcessor<Integer> up = UnicastProcessor.create(new ConcurrentLinkedQueue<>());
up.filter(v -> (v & 1) == 0).subscribe(ts);
for (int i = 1; i < 11; i++) {
up.onNext(i);
}
up.onComplete();
ts.assertValues(2, 4, 6, 8, 10).assertNoError().assertComplete();
}
@Test
public void asyncFusionBackpressured2() {
AssertSubscriber<Object> ts = AssertSubscriber.create(1);
UnicastProcessor<Integer> up = UnicastProcessor.create(new ConcurrentLinkedQueue<>());
Flux.just(1).hide().flatMap(w -> up.filter(v -> (v & 1) == 0), false, 1, 1).subscribe(ts);
up.onNext(1);
up.onNext(2);
ts.assertValues(2).assertNoError().assertNotComplete();
up.onComplete();
ts.assertValues(2).assertNoError().assertComplete();
}