/** pollSubmission returns unexecuted submitted task, if present */
public void testPollSubmission() {
final CountDownLatch done = new CountDownLatch(1);
SubFJP p = new SubFJP();
try (PoolCleaner cleaner = cleaner(p)) {
ForkJoinTask a = p.submit(awaiter(done));
ForkJoinTask b = p.submit(awaiter(done));
ForkJoinTask c = p.submit(awaiter(done));
ForkJoinTask r = p.pollSubmission();
assertTrue(r == a || r == b || r == c);
assertFalse(r.isDone());
done.countDown();
}
}
/** drainTasksTo transfers unexecuted submitted tasks, if present */
public void testDrainTasksTo() {
final CountDownLatch done = new CountDownLatch(1);
SubFJP p = new SubFJP();
try (PoolCleaner cleaner = cleaner(p)) {
ForkJoinTask a = p.submit(awaiter(done));
ForkJoinTask b = p.submit(awaiter(done));
ForkJoinTask c = p.submit(awaiter(done));
ArrayList<ForkJoinTask> al = new ArrayList();
p.drainTasksTo(al);
assertTrue(al.size() > 0);
for (ForkJoinTask r : al) {
assertTrue(r == a || r == b || r == c);
assertFalse(r.isDone());
}
done.countDown();
}
}