--          This file is part of SmallEiffel The GNU Eiffel Compiler.
--          Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
--            Dominique COLNET and Suzanne COLLIN - colnet@loria.fr 
--                       http://www.loria.fr/SmallEiffel
-- SmallEiffel is  free  software;  you can  redistribute it and/or modify it 
-- under the terms of the GNU General Public License as published by the Free
-- Software  Foundation;  either  version  2, or (at your option)  any  later 
-- version. SmallEiffel is distributed in the hope that it will be useful,but
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-- or  FITNESS FOR A PARTICULAR PURPOSE.   See the GNU General Public License 
-- for  more  details.  You  should  have  received a copy of the GNU General 
-- Public  License  along  with  SmallEiffel;  see the file COPYING.  If not,
-- write to the  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
deferred class BENCH
   --
   -- Comparison : `add_last' for  ARRAY, FIXED_ARRAY, LINK_LIST 
   --                              and LINK2_LIST.
   --

feature

   -- According to the power of your computer, set `tuning'
   -- to a good positive value. Default is for very small 
   -- computer :
   tuning: INTEGER is 1; -- 600000;

feature {NONE}

   frozen bench(cltn: COLLECTION[INTEGER]) is
      require
	 cltn.count = 0
      local
	 i: INTEGER;
      do
	 from
	    i := tuning + 1;
	 until
	    i = 0
	 loop
	    cltn.add_last(i);
	    i := i - 1;
	 end;
	 debug
	    from
	       i := cltn.upper - 1;
	    until
	       i < cltn.lower
	    loop
	       check
		  cltn.item(i) = cltn.item(i + 1) + 1
	       end;
	       i := i - 1;
	    end;
	 end;
      end;

end -- BENCH