@Test
public void testListener() throws Exception {
final int maxItems = 10;
final CountDownLatch itemAddedLatch = new CountDownLatch(maxItems);
final CountDownLatch itemRemovedLatch = new CountDownLatch(maxItems);
final IQueue queue = client.getQueue(randomString());
String id =
queue.addItemListener(
new ItemListener() {
public void itemAdded(ItemEvent itemEvent) {
itemAddedLatch.countDown();
}
public void itemRemoved(ItemEvent item) {
itemRemovedLatch.countDown();
}
},
true);
new Thread() {
public void run() {
for (int i = 0; i < maxItems; i++) {
queue.offer(i);
queue.remove(i);
}
}
}.start();
assertTrue(itemAddedLatch.await(5, TimeUnit.SECONDS));
assertTrue(itemRemovedLatch.await(5, TimeUnit.SECONDS));
queue.removeItemListener(id);
}