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Diffstat (limited to 'testsuite/vests/vhdl-93/billowitch/compliant/tc1225.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/billowitch/compliant/tc1225.vhd | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc1225.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc1225.vhd new file mode 100644 index 000000000..c1a0f6af6 --- /dev/null +++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc1225.vhd @@ -0,0 +1,98 @@ + +-- 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: tc1225.vhd,v 1.2 2001-10-26 16:29:39 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +ENTITY c08s01b00x00p28n01i01225ent IS +END c08s01b00x00p28n01i01225ent; + +ARCHITECTURE c08s01b00x00p28n01i01225arch OF c08s01b00x00p28n01i01225ent IS + -- Local signals. + signal A : BIT; +BEGIN + TESTING: PROCESS + -- Local variables. + variable ShouldBeTime : TIME; + variable I : INTEGER; + variable k : integer := 0; + BEGIN + -- Make sure it takes an EVENT to trigger the WAIT statement. + A <= A after 2 ns, -- NOT an event. + (not A) after 4 ns; -- an event. + ShouldBeTime := NOW + 4 ns; -- Should wait for event. + wait on A; + if (ShouldBeTime /= Now) then + k := 1; + end if; + assert (ShouldBeTime = NOW) + report "Did not wait for 4ns"; + + -- If the value of the condition is FALSE, resuspend. + -- If the value is TRUE, the process will resume. + A <= '1' after 2 ns, + '0' after 4 ns; + + -- Make sure that we wait until the second one for + -- the following wait statement to resume. + ShouldBeTime := NOW + 4 ns; + wait until (A = '0'); + if (ShouldBeTime /= Now and A /= '0') then + k := 1; + end if; + assert (ShouldBeTime = NOW) + report "Did not wait for 4ns"; + assert (A = '0') + report "Did not assign the correct value."; + + -- Such resuspension does not involve the recalculation of the timeout interval. + -- If the value of the condition is FALSE, resuspend. + -- IF the value is TRUE, the process will resume. + A <= '1' after 2 ns, + '0' after 4 ns; + + -- Make sure that we wait until the second one for + -- the following wait statement to resume. + ShouldBeTime := NOW + 3 ns; + wait until (A = '0') for 3 ns; + if (ShouldBeTime /= Now and A /= '1') then + k := 1; + end if; + assert (ShouldBeTime = NOW) + report "Did not wait for 3ns"; + assert (A = '1') + report "Did not assign the correct value to A."; + assert NOT( k=0 ) + report "***PASSED TEST: c08s01b00x00p28n01i01225" + severity NOTE; + assert ( k=0 ) + report "***FAILED TEST: c08s01b00x00p28n01i01225 - The process will resume if the result of an event occuring on sentivity set is TRUE." + severity ERROR; + wait; + END PROCESS TESTING; + +END c08s01b00x00p28n01i01225arch; |