anchor.diff:          ]}}
       ].
   
  +custom_cors_config() ->
  +    [
  +        {<<"enable_cors">>, true},
  +        {<<"allow_methods">>, ?CUSTOM_SUPPORTED_METHODS},
  +        {<<"allow_headers">>, ?CUSTOM_SUPPORTED_HEADERS},
  +        {<<"exposed_headers">>, ?CUSTOM_EXPOSED_HEADERS},
  +        {<<"origins">>, {[
  +            {<<"*">>, {[]}}
  +        ]}}
  +    ].
   
   access_control_cors_config(AllowCredentials) ->
       [
  
positive.code:         ?_assertEqual(?DEFAULT_ORIGIN,
              header(Headers1, "Access-Control-Allow-Origin")),
          ?_assertEqual(string_headers(?SUPPORTED_METHODS),
              header(Headers1, "Access-Control-Allow-Methods"))
      ].
  
  
  
negative.code:         ?_assertEqual("true",
              header(Headers1, "Access-Control-Allow-Credentials"))
      ].
  
  split_list(S) ->
      re:split(S, "\\s*,\\s*", [trim, {return, list}]).
  