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diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc942.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc942.vhd
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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: tc942.vhd,v 1.2 2001-10-26 16:30:02 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c10s05b00x00p05n01i00942ent IS
+END c10s05b00x00p05n01i00942ent;
+
+ARCHITECTURE c10s05b00x00p05n01i00942arch OF c10s05b00x00p05n01i00942ent IS
+  type three_state is ( '0','1','X');
+
+  function "and" (l,r : three_state) return three_state is
+  begin
+    if    (l = '0') or  (r = '0') then return('0');
+    elsif (l = '1') and (r = '1') then return('1');
+    else  return ('X');
+    end if;
+  end;
+
+BEGIN
+  TESTING:PROCESS
+  BEGIN
+    assert NOT( ('1' and 'X') = 'X' )
+      report "***PASSED TEST: c10s05b00x00p05n01i00942"
+      severity NOTE;
+    assert ( ('1' and 'X') = 'X' )
+      report "***FAILED TEST: c10s05b00x00p05n01i00942 - A name or expression have a certain type."
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c10s05b00x00p05n01i00942arch;