SimpleFixture()
     : _itr("SimpleIterator",
          SearchIterator::UP(new SimpleSearch(SimpleResult().addHit(2).addHit(4).addHit(8))),
          false),
     _res()
 {
     _res.search(_itr);
 }
 TreeFixture()
     : _itr()
 {
     MultiSearch::Children children;
     children.push_back(new MonitoringSearchIterator("child1",
                                                     SearchIterator::UP
                                                     (new SimpleSearch(SimpleResult().addHit(2).addHit(4).addHit(6))),
                                                     false));
     children.push_back(new MonitoringSearchIterator("child2",
                                                     SearchIterator::UP
                                                     (new SimpleSearch(SimpleResult().addHit(3).addHit(4).addHit(5))),
                                                     false));
     _itr.reset(new MonitoringSearchIterator("and",
                                             SearchIterator::UP(AndSearch::create(children, true)),
                                             false));
     _res.search(*_itr);
 }