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: tc1079.vhd,v 1.2 2001-10-26 16:29:38 paw Exp $

-- $Revision: 1.2 $

--

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

ENTITY c06s05b00x00p01n02i01079ent IS

END c06s05b00x00p01n02i01079ent;

ARCHITECTURE c06s05b00x00p01n02i01079arch OF c06s05b00x00p01n02i01079ent IS

  SUBTYPE    bit_vector_4 is bit_vector ( 0 to 3 );

  SUBTYPE    bit_vector_8 is bit_vector ( 0 to 7 );

  SIGNAL    v_slice : bit_vector_8 := B"1010_1100";   

  procedure subprogram ( signal v : out bit_vector_4 ) is

  begin

    v <= B"0101" after 10 ns;

  end ;

BEGIN

  TESTING: PROCESS

  BEGIN

    subprogram ( v_slice ( 0 to 3 ) );

    wait for 11 ns;

    assert NOT(v_slice = B"0101_1100") 

      report "***PASSED TEST: c06s05b00x00p01n02i01079"

      severity NOTE;

    assert (v_slice = B"0101_1100") 

      report "***FAILED TEST: c06s05b00x00p01n02i01079 - A slice of a signal should still be a signal."

      severity ERROR;

    wait;

  END PROCESS TESTING;

END c06s05b00x00p01n02i01079arch;