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Diffstat (limited to 'testsuite/vests/vhdl-93/billowitch/compliant/tc1704.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/billowitch/compliant/tc1704.vhd | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc1704.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc1704.vhd new file mode 100644 index 000000000..329120b19 --- /dev/null +++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc1704.vhd @@ -0,0 +1,77 @@ + +-- 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: tc1704.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +ENTITY c09s02b00x00p07n01i01704ent IS +END c09s02b00x00p07n01i01704ent; + +ARCHITECTURE c09s02b00x00p07n01i01704arch OF c09s02b00x00p07n01i01704ent IS + signal S : Bit; +BEGIN + TESTING: PROCESS( S ) + -- local variables. + variable INITED : BOOLEAN := FALSE; + variable CNT : INTEGER := 0; + variable NEWTIME: TIME; + variable k : integer := 1; + BEGIN + -- Take care of the first run. + if (not( INITED )) then + INITED := TRUE; + CNT := 0; + S <= (not S) after 1 ns; + NEWTIME := NOW + 1 ns; + + -- Otherwise, take care of all subsequent runs. + -- NOTE: Take care of the last time we will get awakened. + elsif (NOW /= TIME'HIGH) then + + -- Verify that we woke up when S was updated. + if NOT(( S'EVENT ) and ( NEWTIME = NOW )) then + k := 0; + end if; + + -- See if we should continue. If so, do it. + CNT := CNT + 1; + if (CNT <= 50) then + S <= (not S) after 1 ns; + NEWTIME := NOW + 1 ns; + end if; + end if; + if (CNT = 50) then + assert NOT( k=1 ) + report "***PASSED TEST: c09s02b00x00p07n01i01704" + severity NOTE; + assert ( k=1 ) + report "***FAILED TEST: c09s02b00x00p07n01i01704 - The process statement is assumed to contain an implicit wait statement if a sensitivity list appears following the reserved word process." + severity ERROR; + end if; + END PROCESS TESTING; + +END c09s02b00x00p07n01i01704arch; |