anchor.diff:      %% TODO: type match checking
       dao:get_record(UUID).
   
  -file_info(File) ->
  -    {ok, FileDoc} = get_file(File),
  -    {ok, FileDoc#veil_document.record}.
  -
   get_path_info({absolute_path, Path}) ->
       get_path_info({relative_path, Path, ""});
   get_path_info({relative_path, [?PATH_SEPARATOR | _] = Path, Root}) ->
  
positive.code:     save_file(#file{name = "file1", parent = UUID4}),
      save_descriptor(#file_descriptor{file = UUID3}),
      save_descriptor(#file_descriptor{file = UUID3}),
      save_descriptor(#file_descriptor{file = UUID4})
  ,   save_descriptor(#file_descriptor{file = UUID2}).
  
  
  %% lock_file/3
  %% ====================================================================
  %% @doc Puts a read/write lock on specified file owned by specified user.
  %% Should not be used directly, use dao:handle/2 instead (See dao:handle/2 for more details).
  %% Not yet implemented. This is placeholder/template method only!
  %% @end
  -spec lock_file(UserID :: string(), FileID :: string(), Mode :: write | read) -> not_yet_implemented.
  %% ====================================================================
  lock_file(_UserID, _FileID, _Mode) ->
      not_yet_implemented.
  
  
  %% unlock_file/3
  %% ====================================================================
  %% @doc Takes off a read/write lock on specified file owned by specified user.
  %% Should not be used directly, use dao:handle/2 instead (See dao:handle/2 for more details).
  %% Not yet implemented. This is placeholder/template method only!
  %% @end
  -spec unlock_file(UserID :: string(), FileID :: string(), Mode :: write | read) -> not_yet_implemented.
  %% ====================================================================
  unlock_file(_UserID, _FileID, _Mode) ->
      not_yet_implemented.
  
  
  %% ===================================================================
  
negative.code: -include_lib("files_common.hrl").
  
  %% API - File system management
  -export([list_dir/3, rename_file/2, lock_file/3, unlock_file/3, test_init/0]). %% High level API functions
  -export([save_descriptor/1, remove_descriptor/1, get_descriptor/1, list_descriptors/3]). %% Base descriptor management API functions
  -export([save_file/1, remove_file/1, get_file/1, get_path_info/1]). %% Base file management API function
  
  
  -ifdef(TEST).
  