@Test
  public void testOfferPoll() throws IOException, InterruptedException {

    final IQueue q = client.getQueue(queueForTestOfferPoll);

    for (int i = 0; i < 10; i++) {
      boolean result = q.offer("item");
      if (i < maxSizeForQueue) {
        assertTrue(result);
      } else {
        assertFalse(result);
      }
    }
    assertEquals(maxSizeForQueue, q.size());

    final Thread t1 =
        new Thread() {
          public void run() {
            try {
              Thread.sleep(2 * 1000);
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
            q.poll();
          }
        };
    t1.start();

    boolean result = q.offer("item", 5, TimeUnit.SECONDS);
    assertTrue(result);

    for (int i = 0; i < 10; i++) {
      Object o = q.poll();
      if (i < maxSizeForQueue) {
        assertNotNull(o);
      } else {
        assertNull(o);
      }
    }
    assertEquals(0, q.size());

    final Thread t2 =
        new Thread() {
          public void run() {
            try {
              Thread.sleep(2 * 1000);
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
            q.offer("item1");
          }
        };
    t2.start();

    Object o = q.poll(5, TimeUnit.SECONDS);
    assertEquals("item1", o);
    t1.join(10000);
    t2.join(10000);
  }
 @Test
 public void testPoll() throws InterruptedException {
   final IQueue q = client.getQueue(randomString());
   q.offer(1);
   assertEquals(1, q.poll());
 }