anchor.diff:       {ttest_ssockf_csockf, [], ttest_ssockf_csockf_cases()},
        {ttest_ssockf_csocko, [], ttest_ssockf_csocko_cases()},
        {ttest_ssockf_csockt, [], ttest_ssockf_csockt_cases()},
  +     {ttest_ssocko,        [], ttest_ssocko_cases()},
        {ttest_ssocko_cgen,   [], ttest_ssocko_cgen_cases()},
        {ttest_ssocko_cgenf,  [], ttest_ssocko_cgenf_cases()},
        {ttest_ssocko_cgeno,  [], ttest_ssocko_cgeno_cases()},
  
positive.code: ttest_cases() ->
      [
       %% Server: transport = gen_tcp, active = false
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_sgenf_cgen},
  
       %% Server: transport = gen_tcp, active = false
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_sgenf_csock},
  
       %% Server: transport = gen_tcp, active = once
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_sgeno_cgen},
  
       %% Server: transport = gen_tcp, active = once
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_sgeno_csock},
  
       %% Server: transport = gen_tcp, active = true
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_sgent_cgen},
  
       %% Server: transport = gen_tcp, active = true
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_sgent_csock},
  
       %% Server: transport = socket(tcp), active = false
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_ssockf_cgen},
  
       %% Server: transport = socket(tcp), active = false
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_ssockf_csock},
  
       %% Server: transport = socket(tcp), active = once
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_ssocko_cgen},
  
       %% Server: transport = socket(tcp), active = once
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_ssocko_csock},
  
       %% Server: transport = socket(tcp), active = true
       %% Client: transport = gen_tcp (active = false, once and true)
       {group, ttest_ssockt_cgen},
  
       %% Server: transport = socket(tcp), active = true
       %% Client: transport = socket(tcp) (active = false, once and true)
       {group, ttest_ssockt_csock}
  
      ].
  
  
  %% Server: transport = gen_tcp, active = false
  %% Client: transport = gen_tcp
  
negative.code:      {sc_remote_shutdown,  [], sc_rs_cases()},
       {traffic,             [], traffic_cases()},
       {ttest,               [], ttest_cases()},
       {ttest_sgenf,         [], ttest_sgenf_cases()},
       {ttest_sgenf_cgen,    [], ttest_sgenf_cgen_cases()},
       {ttest_sgenf_cgenf,   [], ttest_sgenf_cgenf_cases()},
       {ttest_sgenf_cgeno,   [], ttest_sgenf_cgeno_cases()},
  