@Test
public void testUnSubscribe() {
TestObservable tA = new TestObservable();
TestObservable tB = new TestObservable();
@SuppressWarnings("unchecked")
Observable<String> m = Observable.create(merge(tA, tB));
Subscription s = m.subscribe(stringObserver);
tA.sendOnNext("Aone");
tB.sendOnNext("Bone");
s.unsubscribe();
tA.sendOnNext("Atwo");
tB.sendOnNext("Btwo");
tA.sendOnCompleted();
tB.sendOnCompleted();
verify(stringObserver, never()).onError(any(Exception.class));
verify(stringObserver, times(1)).onNext("Aone");
verify(stringObserver, times(1)).onNext("Bone");
assertTrue(tA.unsubscribed);
assertTrue(tB.unsubscribed);
verify(stringObserver, never()).onNext("Atwo");
verify(stringObserver, never()).onNext("Btwo");
verify(stringObserver, never()).onCompleted();
}
