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File tests/natools-references-tools.ads artifact c8ec0ca761 part of check-in 62ca3fd9c9


------------------------------------------------------------------------------
-- Copyright (c) 2013, Natacha Porté                                        --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           --
------------------------------------------------------------------------------

------------------------------------------------------------------------------
-- Natools.References.Tools exposes subprograms to peek into private parts  --
-- of Natools.Reference, for debug or testing purposes.                     --
------------------------------------------------------------------------------

generic
package Natools.References.Tools is
   pragma Preelaborate (Tools);

   function Is_Consistent (Left, Right : Reference) return Boolean;
      --  Check that counter and data equality are consistent

   function Is_Valid (Ref : Reference) return Boolean;
      --  Check consistency for internal state

   function Count (Ref : Reference) return Natural;
      --  Return the number of references to held object

end Natools.References.Tools;