439   Harness() : constructor_(NULL) { }  in Harness()
442     delete constructor_;  in Init()
443     constructor_ = NULL;  in Init()
455         constructor_ = new TableConstructor(options_.comparator);  in Init()
458         constructor_ = new BlockConstructor(options_.comparator);  in Init()
461         constructor_ = new MemTableConstructor(options_.comparator);  in Init()
464         constructor_ = new DBConstructor(options_.comparator);  in Init()
470     delete constructor_;  in ~Harness()
474     constructor_->Add(key, value);  in Add()
480     constructor_->Finish(options_, &keys, &data);  in Test()
489     Iterator* iter = constructor_->NewIterator();  in TestForwardScan()
504     Iterator* iter = constructor_->NewIterator();  in TestBackwardScan()
521     Iterator* iter = constructor_->NewIterator();  in TestRandomAccess()
640   DB* db() const { return constructor_->db(); }  in db()
644   Constructor* constructor_;  member in leveldb::Harness