anchor.diff:              SO, SONew, SM, SMNew, SO - SONew, SMNew - SM,
               CO, CONew, CM, CMNew, CO - CONew, CMNew - CM]),
       %clean up
  -    unittest_helper:stop_ring(),
       ?implies(SO > 0 orelse CO > 0, SONew < SO orelse CONew < CO) andalso
           ?implies(SM =/= SMNew, SMNew > SM) andalso
           ?implies(CM =/= CMNew, CMNew > CM).
  
positive.code: 
  basic_tests() ->
      [get_symmetric_keys_test,
       blobCoding,
       tester_get_key_quadrant,
       tester_mapInterval,
       tester_minKeyInInterval
      ].
  
  repair_tests() ->
  
negative.code:     OldConf = get_rep_upd_config(Method),
      Conf = lists:keyreplace(rr_max_items, 1, OldConf, {rr_max_items, 500}),    
      {Start, End} = start_sync(Config, 4, 1000, [{fprob, 100}, {ftype, FType}], 
                                2, 0.2, Conf),
      ?assert(sync_degree(Start) < sync_degree(End)).
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  