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+
+-- 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: tc3082.vhd,v 1.2 2001-10-26 16:29:51 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c12s06b02x00p02n01i03082ent IS
+END c12s06b02x00p02n01i03082ent;
+
+ARCHITECTURE c12s06b02x00p02n01i03082arch OF c12s06b02x00p02n01i03082ent IS
+ -- This signal will have its 'ACTIVE flag monitored.
+ signal MONITOR : BIT := '0';
+
+ -- This signal will be used to check MONITOR'ACTIVE whenever we want to verify that
+ -- its value is OK.
+ signal CHECK : BIT := '0';
+BEGIN
+
+ TESTING: PROCESS
+ variable testOK : integer := 0;
+ BEGIN
+ -- Perform a signal value change on both signals.
+ MONITOR <= not MONITOR after 10 ns;
+ CHECK <= not CHECK after 10 ns;
+ wait on CHECK;
+
+ -- Verify that the flags say what we want.
+ assert( not( MONITOR'STABLE ) );
+ if (MONITOR'STABLE) then
+ testOK := 1;
+ end if;
+ assert( MONITOR'EVENT );
+ if (not(MONITOR'EVENT)) then
+ testOK := 1;
+ end if;
+ assert( MONITOR'ACTIVE );
+ if (not(MONITOR'ACTIVE)) then
+ testOK := 1;
+ end if;
+ assert( not( MONITOR'QUIET ) );
+ if (MONITOR'QUIET) then
+ testOK := 1;
+ end if;
+
+ -- Perform no signal value change on MONITOR.
+ MONITOR <= MONITOR after 10 ns;
+ CHECK <= not CHECK after 10 ns;
+ wait on CHECK;
+
+ -- Verify that the flags say what we want.
+ assert( MONITOR'STABLE );
+ if (not(MONITOR'STABLE)) then
+ testOK := 1;
+ end if;
+ assert( not( MONITOR'EVENT ) );
+ if (MONITOR'EVENT) then
+ testOK := 1;
+ end if;
+ assert( MONITOR'ACTIVE );
+ if (not(MONITOR'ACTIVE)) then
+ testOK := 1;
+ end if;
+ assert( not( MONITOR'QUIET ) );
+ if (MONITOR'QUIET) then
+ testOK := 1;
+ end if;
+
+ -- Perform no activity at all on MONITOR.
+ CHECK <= not CHECK after 10 ns;
+ wait on CHECK;
+
+ -- Verify that the flags say what we want.
+ assert( MONITOR'STABLE );
+ if (not(MONITOR'STABLE)) then
+ testOK := 1;
+ end if;
+ assert( not( MONITOR'EVENT ) );
+ if (MONITOR'EVENT) then
+ testOK := 1;
+ end if;
+ assert( not( MONITOR'ACTIVE ) );
+ if (MONITOR'ACTIVE) then
+ testOK := 1;
+ end if;
+ assert( MONITOR'QUIET );
+ if (not(MONITOR'QUIET)) then
+ testOK := 1;
+ end if;
+
+ assert NOT( testOK = 0 )
+ report "***PASSED TEST: c12s06b02x00p02n01i03082"
+ severity NOTE;
+ assert ( testOK = 0 )
+ report "***FAILED TEST: c12s06b02x00p02n01i03082 - A signal should be active if one of its sources is active."
+ severity ERROR;
+ wait;
+ END PROCESS TESTING;
+
+END c12s06b02x00p02n01i03082arch;