@Test
public void testThatObserverReceivesLatestAndThenSubsequentEvents() {
BehaviorRelay<String> relay = BehaviorRelay.create("default");
relay.call("one");
@SuppressWarnings("unchecked")
Observer<String> observer = mock(Observer.class);
relay.subscribe(observer);
relay.call("two");
relay.call("three");
verify(observer, times(1)).onNext("one");
verify(observer, times(1)).onNext("two");
verify(observer, times(1)).onNext("three");
verifyNoMoreInteractions(observer);
}
@Test
public void testStartEmpty() {
BehaviorRelay<Integer> source = BehaviorRelay.create();
@SuppressWarnings("unchecked")
final Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
source.subscribe(o);
inOrder.verify(o, never()).onNext(any());
inOrder.verify(o, never()).onCompleted();
source.call(1);
verify(o, never()).onError(any(Throwable.class));
verify(o, never()).onCompleted();
inOrder.verify(o).onNext(1);
inOrder.verifyNoMoreInteractions();
}
