HazelcastInstance instance = createHazelcastInstance();
ICountDownLatch latch = instance.getCountDownLatch(randomString());
latch.trySetCount(10);
assertFalse(latch.trySetCount(20));
assertFalse(latch.trySetCount(100));
assertFalse(latch.trySetCount(0));
assertEquals(10, latch.getCount());
}
// ================= countDown =================================================