@Override
public Publisher<Long> createFailedPublisher() {
if (!DependencyUtils.hasJdk9Flow()) {
throw new SkipException("no jdk 9 classes found");
}
SubmissionPublisher<Long> pub = new SubmissionPublisher<>();
pub.closeExceptionally(new Exception("jdk9-test"));
return Publishers.convert(pub);
}
/** If closedExceptionally, upon subscription, the subscriber's onError method is invoked */
public void testSubscribe3() {
TestSubscriber s = new TestSubscriber();
SubmissionPublisher<Integer> p = basicPublisher();
Throwable ex = new SPException();
p.closeExceptionally(ex);
assertTrue(p.isClosed());
assertSame(p.getClosedException(), ex);
p.subscribe(s);
s.awaitError();
assertEquals(0, s.nexts);
assertEquals(1, s.errors);
}
/** Closing a publisher exceptionally causes onError to subscribers */
public void testCloseExceptionallyError() {
SubmissionPublisher<Integer> p = basicPublisher();
TestSubscriber s1 = new TestSubscriber();
TestSubscriber s2 = new TestSubscriber();
p.subscribe(s1);
p.subscribe(s2);
p.submit(1);
p.closeExceptionally(new SPException());
assertTrue(p.isClosed());
s1.awaitError();
assertTrue(s1.nexts <= 1);
assertEquals(1, s1.errors);
s2.awaitError();
assertTrue(s2.nexts <= 1);
assertEquals(1, s2.errors);
}
/**
* A publisher closedExceptionally reports isClosed with the closedException and throws ISE upon
* attempted submission; a subsequent close or closeExceptionally has no additional effect.
*/
public void testCloseExceptionally() {
SubmissionPublisher<Integer> p = basicPublisher();
checkInitialState(p);
Throwable ex = new SPException();
p.closeExceptionally(ex);
assertTrue(p.isClosed());
assertSame(p.getClosedException(), ex);
try {
p.submit(1);
shouldThrow();
} catch (IllegalStateException success) {
}
p.close();
assertTrue(p.isClosed());
assertSame(p.getClosedException(), ex);
}