@Override
public void subscribe(Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
boolean errorThrown = false;
for (String s : valuesToReturn) {
if (s == null) {
System.out.println("throwing exception");
observer.onError(new NullPointerException());
errorThrown = true;
// purposefully not returning here so it will continue calling onNext
// so that we also test that we handle bad sequences like this
} else {
observer.onNext(s);
}
}
if (!errorThrown) {
observer.onComplete();
}
}
