@Test
public void fromIterable() {
ArrayList<String> items = new ArrayList<>();
items.add("one");
items.add("two");
items.add("three");
assertEquals((Long) 3L, Observable.fromIterable(items).count().toBlocking().single());
assertEquals("two", Observable.fromIterable(items).skip(1).take(1).toBlocking().single());
assertEquals("three", Observable.fromIterable(items).takeLast(1).toBlocking().single());
}
@Test
public void testOfTypeWithPolymorphism() {
ArrayList<Integer> l1 = new ArrayList<>();
l1.add(1);
LinkedList<Integer> l2 = new LinkedList<>();
l2.add(2);
@SuppressWarnings("rawtypes")
Observable<List> observable = Observable.<Object>just(l1, l2, "123").ofType(List.class);
Subscriber<Object> observer = TestHelper.mockSubscriber();
observable.subscribe(observer);
verify(observer, times(1)).onNext(l1);
verify(observer, times(1)).onNext(l2);
verify(observer, never()).onNext("123");
verify(observer, never()).onError(org.mockito.Matchers.any(Throwable.class));
verify(observer, times(1)).onComplete();
}