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lustrec-tests / vhdl_json / vhdl_files / 2-exportOK / ghdl / ghdl / testsuite / vests / vhdl-93 / billowitch / compliant / tc1147.vhd @ 3fd18385

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-- Copyright (C) 2001 Bill Billowitch.
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-- Some of the work to develop this test suite was done with Air Force
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-- support.  The Air Force and Bill Billowitch assume no
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-- responsibilities for this software.
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-- This file is part of VESTs (Vhdl tESTs).
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-- VESTs is free software; you can redistribute it and/or modify it
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-- under the terms of the GNU General Public License as published by the
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-- Free Software Foundation; either version 2 of the License, or (at
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-- your option) any later version. 
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-- VESTs is distributed in the hope that it will be useful, but WITHOUT
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-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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-- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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-- for more details. 
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-- You should have received a copy of the GNU General Public License
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-- along with VESTs; if not, write to the Free Software Foundation,
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-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
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-- ---------------------------------------------------------------------
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--
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-- $Id: tc1147.vhd,v 1.2 2001-10-26 16:29:39 paw Exp $
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-- $Revision: 1.2 $
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--
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-- ---------------------------------------------------------------------
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ENTITY c06s05b00x00p05n03i01147ent IS
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END c06s05b00x00p05n03i01147ent;
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ARCHITECTURE c06s05b00x00p05n03i01147arch OF c06s05b00x00p05n03i01147ent IS
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  SUBTYPE thirteen is INTEGER range 0 to 12;
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BEGIN
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  TESTING: PROCESS
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    VARIABLE null_array    : bit_vector ( 1 to 0 ); -- OK, a nice clean null array
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    VARIABLE slice       : bit_vector ( thirteen );
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  BEGIN
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    assert NOT(    null_array = slice (11 to 10)   and
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                   null_array = slice (-1 to -5)   and
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                   null_array = slice (15 to 14)  )
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      report "***PASSED TEST: c06s05b00x00p05n03i01147"
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      severity NOTE;
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    assert ( null_array = slice (11 to 10)   and
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             null_array = slice (-1 to -5)   and
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             null_array = slice (15 to 14)  )
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      report "***FAILED TEST: c06s05b00x00p05n03i01147 - The bounds of a null slice need not belong to the subtype of the index."
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      severity ERROR;
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    wait;
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  END PROCESS TESTING;
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END c06s05b00x00p05n03i01147arch;