@Test
 public void putAll() {
   HazelcastClient hClient = getHazelcastClient();
   IMap map = hClient.getMap("putAll");
   int counter = 100;
   Set keys = new HashSet(counter);
   for (int i = 0; i < counter; i++) {
     keys.add(i);
   }
   Map all = map.getAll(keys);
   assertEquals(0, all.size());
   Map tempMap = new HashMap();
   for (int i = 0; i < counter; i++) {
     tempMap.put(i, i);
   }
   map.putAll(tempMap);
   for (int i = 0; i < counter; i++) {
     assertEquals(i, map.get(i));
   }
   all = map.getAll(keys);
   assertEquals(counter, all.size());
 }