anchor.diff:  %% ping-pong like test case.
   %% Server:       Transport = socket(tcp), Active = true
   %% Client:       Transport = socket(tcp), Active = once
  +%% Message Size: small (=1)
  +%% Domain:       local
  +%% 
  +
  +ttest_ssockt_csocko_small_tcpL(suite) ->
  +    [];
  +ttest_ssockt_csocko_small_tcpL(doc) ->
  +    [];
  +ttest_ssockt_csocko_small_tcpL(Config) when is_list(Config) ->
  +    Runtime = which_ttest_runtime(Config),
  +    ttest_tcp(ttest_ssockt_csocko_small_tcpL,
  +              Runtime,
  +              local,
  +              sock, true,
  +              sock, once,
  +              1, 200).
  +
  +
  +
  +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +%% This test case uses the time test (ttest) utility to implement a 
  +%% ping-pong like test case.
  +%% Server:       Transport = socket(tcp), Active = true
  +%% Client:       Transport = socket(tcp), Active = once
   %% Message Size: medium (=2)
   %% Domain:       inet
   %%
  
positive.code:     [
       ttest_ssockt_csocko_small_tcp4,
       ttest_ssockt_csocko_small_tcp6,
  
       ttest_ssockt_csocko_medium_tcp4,
       ttest_ssockt_csocko_medium_tcp6,
  
       ttest_ssockt_csocko_large_tcp4,
       ttest_ssockt_csocko_large_tcp6
      ].
  
  %% Server: transport = socket(tcp), active = true
  
negative.code: 
           ttest_ssockt_csocko_small_tcp4/1,
           ttest_ssockt_csocko_small_tcp6/1,
           ttest_ssockt_csocko_small_tcpL/1,
           ttest_ssockt_csocko_medium_tcp4/1,
           ttest_ssockt_csocko_medium_tcp6/1,
           ttest_ssockt_csocko_medium_tcpL/1,
           ttest_ssockt_csocko_large_tcp4/1,
           ttest_ssockt_csocko_large_tcp6/1,
           ttest_ssockt_csocko_large_tcpL/1,
  
           ttest_ssockt_csockt_small_tcp4/1,
           ttest_ssockt_csockt_small_tcp6/1,
  