CristalCaveGem » LustreC » Lustrec-Tests

-- Copyright (C) 2001 Bill Billowitch.

-- Some of the work to develop this test suite was done with Air Force

-- support.  The Air Force and Bill Billowitch assume no

-- responsibilities for this software.

-- This file is part of VESTs (Vhdl tESTs).

-- VESTs 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 of the License, or (at

-- your option) any later version. 

-- VESTs 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 VESTs; if not, write to the Free Software Foundation,

-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

-- ---------------------------------------------------------------------

--

-- $Id: tc1719.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $

-- $Revision: 1.2 $

--

-- ---------------------------------------------------------------------

ENTITY c09s02b00x00p16n02i01719ent IS

END c09s02b00x00p16n02i01719ent;

ARCHITECTURE c09s02b00x00p16n02i01719arch OF c09s02b00x00p16n02i01719ent IS

  SUBTYPE bit_4 is bit_vector ( 0 to 3);

  SUBTYPE bit_8 is bit_vector ( 0 to 7);

  SIGNAL  s  : bit_8 := B"0000_0000";

  SIGNAL  s4 : bit_4;

  SIGNAL  s5 : bit_4;

BEGIN

  -- trigger only one element.

  s (6) <= '1' after 10 ns;

  TESTING: PROCESS(s(0 to 3))

  BEGIN

    assert (NOW <= 0 fs ) 

      report "***FAILED TEST: c09s02b00x00p16n02i01719 - This process should be inactive."

      severity ERROR;

  END PROCESS TESTING;

  p2 : PROCESS (s(3 to 6))

  begin

    assert NOT((s(3 to 6) = B"0001") and (NOW = 10 ns))

      report "***PASSED TEST: c09s02b00x00p16n02i01719 - This test is passed only is the FAILED assertion did not appear."

      severity NOTE;

  end process p2;

END c09s02b00x00p16n02i01719arch;