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author | Tristan Gingold | 2013-12-20 04:48:54 +0100 |
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committer | Tristan Gingold | 2013-12-20 04:48:54 +0100 |
commit | 6c3f709174e8e4d5411f851cedb7d84c38d3b04a (patch) | |
tree | bd12c79c71a2ee65899a9ade9919ec2045addef8 /testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd | |
parent | bd4aff0f670351c0652cf24e9b04361dc0e3a01c (diff) | |
download | ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.tar.gz ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.tar.bz2 ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.zip |
Import vests testsuite
Diffstat (limited to 'testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd new file mode 100644 index 0000000..458e092 --- /dev/null +++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc3158.vhd @@ -0,0 +1,93 @@ + +-- 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: tc3158.vhd,v 1.2 2001-10-26 16:29:52 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +ENTITY c05s03b00x00p16n01i03158ent IS +END c05s03b00x00p16n01i03158ent; + +ARCHITECTURE c05s03b00x00p16n01i03158arch OF c05s03b00x00p16n01i03158ent IS + -- Define resolution function for SIG: + function RESFUNC( S : BIT_VECTOR ) return BIT is + begin + for I in S'RANGE loop + if (S(I) = '1') then + return '1'; + end if; + end loop; + return '0'; + end RESFUNC; + + -- Define the signal. + subtype RBIT is RESFUNC BIT; + signal SIG : RBIT bus; + + -- Use the implicit disconnect specification here. + + -- Define the GUARD signal. + signal GUARD : BOOLEAN := FALSE; +BEGIN + + -- Define the guarded signal assignment. + L1: block + begin + SIG <= guarded '1'; + end block L1; + + + TESTING: PROCESS + variable ShouldBeTime : TIME; + BEGIN + -- 1. Turn on the GUARD, verify that SIG gets toggled. + GUARD <= TRUE; + ShouldBeTime := NOW; + wait on SIG; + assert( SIG = '1' ) severity FAILURE; + assert( ShouldBeTime = NOW ) severity FAILURE; + + -- 2. Turn off the GUARD, verify that SIG gets turned OFF. + GUARD <= FALSE; + ShouldBeTime := NOW; + wait on SIG; + assert( SIG = '0' ) severity FAILURE; + assert( ShouldBeTime = NOW ) severity FAILURE; + + assert NOT( SIG = '0' and ShouldBeTime = NOW ) + report "***PASSED TEST: c05s03b00x00p16n01i03158" + severity NOTE; + assert ( SIG = '0' and ShouldBeTime = NOW ) + report "***FAILED TEST: c05s03b00x00p16n01i03158 - Default disconnect specification test failed." + severity ERROR; + + -- Define a second driver for SIG, just for kicks. + -- Should never get invoked. Not have an effect on the value. + SIG <= '0' after 10 ns; + wait; + END PROCESS TESTING; + +END c05s03b00x00p16n01i03158arch; |