@Test
public void test() {
TestSubscriber<Long> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable.switchOnNext(
Observable.interval(100, TimeUnit.MILLISECONDS, scheduler)
.map(i -> Observable.interval(30, TimeUnit.MILLISECONDS, scheduler).map(i2 -> i)))
.distinctUntilChanged()
.subscribe(tester);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L));
tester.assertNoErrors();
assertEquals(tester.getOnCompletedEvents().size(), 0);
}
@Test(timeout = 30000)
public void flatMapRangeMixedAsyncLoop() {
for (int i = 0; i < 2000; i++) {
if (i % 10 == 0) {
System.out.println("flatMapRangeAsyncLoop > " + i);
}
TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
Observable.range(0, 1000)
.flatMap(
new Func1<Integer, Observable<Integer>>() {
final Random rnd = new Random();
@Override
public Observable<Integer> call(Integer t) {
Observable<Integer> r = Observable.just(t);
if (rnd.nextBoolean()) {
r = r.asObservable();
}
return r;
}
})
.observeOn(Schedulers.computation())
.subscribe(ts);
ts.awaitTerminalEvent(2500, TimeUnit.MILLISECONDS);
if (ts.getOnCompletedEvents().isEmpty()) {
System.out.println(ts.getOnNextEvents().size());
}
ts.assertTerminalEvent();
ts.assertNoErrors();
List<Integer> list = ts.getOnNextEvents();
if (list.size() < 1000) {
Set<Integer> set = new HashSet<Integer>(list);
for (int j = 0; j < 1000; j++) {
if (!set.contains(j)) {
System.out.println(j + " missing");
}
}
}
assertEquals(1000, list.size());
}
}
@Ignore // don't care for any reordering
@Test(timeout = 10000)
public void flatMapRangeAsyncLoop() {
for (int i = 0; i < 2000; i++) {
if (i % 10 == 0) {
System.out.println("flatMapRangeAsyncLoop > " + i);
}
TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
Observable.range(0, 1000)
.flatMap(
new Func1<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> call(Integer t) {
return Observable.just(t);
}
})
.observeOn(Schedulers.computation())
.subscribe(ts);
ts.awaitTerminalEvent(2500, TimeUnit.MILLISECONDS);
if (ts.getOnCompletedEvents().isEmpty()) {
System.out.println(ts.getOnNextEvents().size());
}
ts.assertTerminalEvent();
ts.assertNoErrors();
List<Integer> list = ts.getOnNextEvents();
assertEquals(1000, list.size());
boolean f = false;
for (int j = 0; j < list.size(); j++) {
if (list.get(j) != j) {
System.out.println(j + " " + list.get(j));
f = true;
}
}
if (f) {
Assert.fail("Results are out of order!");
}
}
}