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: tc1906.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $

-- $Revision: 1.2 $

--

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

ENTITY c07s01b00x00p10n01i01906ent IS

END c07s01b00x00p10n01i01906ent;

ARCHITECTURE c07s01b00x00p10n01i01906arch OF c07s01b00x00p10n01i01906ent IS

  type    MVL    is ('0','1','X','Z') ;

  signal    Q    : MVL;

  signal    PP,P2    : BIT := '1' ;

  signal    R1    : BIT;

BEGIN

  TESTING: PROCESS

    function "and" (L,R : MVL) return MVL is

      variable V1 : MVL;

    begin

      if (L = '1') then

        V1 := '1' ;

      end if;

      return V1;

    end;

  BEGIN

    Q    <= "and"('1','Z');  -- No_failure_here

    R1    <= PP and P2;

    wait for 1 ns;

    assert NOT((Q='1') and (R1='1'))

      report "***PASSED TEST: c07s01b00x00p10n01i01906"

      severity NOTE;

    assert (( Q='1' ) and (R1='1'))

      report "***FAILED TEST: c07s01b00x00p10n01i01906 - The identification of an overloaded operator depends on the context."

      severity ERROR;

    wait;

  END PROCESS TESTING;

END c07s01b00x00p10n01i01906arch;