anchor.diff:  %%
   
   
  --export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, 
  +-export([all/0, suite/0, groups/0,
            init_per_testcase/2, end_per_testcase/2,
            init_per_suite/1, end_per_suite/1,
            stream_small/1, stream_big/1,
  
positive.code: 
  %% Test that we can handle a very very large environment gracefully.
  huge_env(Config) when is_list(Config) ->
      Vars = case os:type() of
                 {win32,_} -> 500;
                 _ ->
  
negative.code:      {options, [], [t_binary, eof, input_only, output_only]},
       {multiple_packets, [], [mul_basic, mul_slow_writes]},
       {tps, [], [tps_16_bytes, tps_1K]}].
  
  init_per_testcase(Case, Config) ->
      [{testcase, Case} |Config].
  