@Test
public void testSingleSet() {
AsyncSubscription as = new AsyncSubscription();
Subscription s = mock(Subscription.class);
assertTrue(as.setSubscription(s));
Subscription s1 = mock(Subscription.class);
assertTrue(as.setSubscription(s1));
assertSame(as.actual, s);
verify(s1).cancel();
}
@Test
public void testCancelBeforeSet() {
AsyncSubscription as = new AsyncSubscription();
Subscription s = mock(Subscription.class);
as.request(1);
as.cancel();
assertFalse(as.setSubscription(s));
verify(s, never()).request(1);
verify(s).cancel();
}
@Test
public void testNoResource() {
AsyncSubscription as = new AsyncSubscription();
Subscription s = mock(Subscription.class);
assertTrue(as.setSubscription(s));
as.request(1);
as.cancel();
verify(s).request(1);
verify(s).cancel();
}
@Test
public void testCancelOnce() {
Disposable r = mock(Disposable.class);
AsyncSubscription as = new AsyncSubscription(r);
Subscription s = mock(Subscription.class);
assertTrue(as.setSubscription(s));
as.cancel();
as.cancel();
as.cancel();
verify(s, never()).request(anyLong());
verify(s).cancel();
verify(r).dispose();
}