public class CountDownLatchMigrationTest extends HazelcastTestSupport {
@Test
@ClientCompatibleTest
public void testLatchMigration() throws InterruptedException {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(5);
HazelcastInstance hz1 = factory.newHazelcastInstance();
HazelcastInstance hz2 = factory.newHazelcastInstance();
warmUpPartitions(hz2, hz1);
ICountDownLatch latch1 = hz1.getCountDownLatch("test");
latch1.trySetCount(10);
Thread.sleep(500);
ICountDownLatch latch2 = hz2.getCountDownLatch("test");
assertEquals(10, latch2.getCount());
latch2.countDown();
assertEquals(9, latch1.getCount());
hz1.shutdown();
assertEquals(9, latch2.getCount());
HazelcastInstance hz3 = factory.newHazelcastInstance();
warmUpPartitions(hz3);
ICountDownLatch latch3 = hz3.getCountDownLatch("test");
latch3.countDown();
assertEquals(8, latch3.getCount());
hz2.shutdown();
latch3.countDown();
assertEquals(7, latch3.getCount());
HazelcastInstance hz4 = factory.newHazelcastInstance();
HazelcastInstance hz5 = factory.newHazelcastInstance();
warmUpPartitions(hz5, hz4);
Thread.sleep(250);
hz3.shutdown();
ICountDownLatch latch4 = hz4.getCountDownLatch("test");