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diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc878.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc878.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: tc878.vhd,v 1.2 2001-10-26 16:30:01 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+package c10s01b00x00p03n01i00878pkg is
+  constant UNIT_DELAY: TIME := 1 ns;
+end c10s01b00x00p03n01i00878pkg;
+
+-- a nand gate
+entity ENT1 is
+  port ( BITIN1, BITIN2 : in  BIT;
+         BITOUT: out BIT );
+end ENT1;
+
+use WORK.c10s01b00x00p03n01i00878pkg.UNIT_DELAY;
+architecture ARC1 of ENT1 is
+begin
+  BITOUT <= ( BITIN1 nand BITIN2 ) after UNIT_DELAY;
+end ARC1;
+
+configuration CON1 of ENT1 is
+  for ARC1
+  end for;
+end CON1;
+
+-- build an inverter from nand-nand logic
+entity ENT2 is
+  port ( GOING_IN: in BIT;
+         COMING_OUT: out BIT );
+end ENT2;
+
+architecture ARC2 of ENT2 is
+  component NAND_BOX
+    port ( IN1, IN2: in BIT; OUT1: out BIT );
+  end component;
+  signal STUCKAT_HIGH: BIT := '1';
+begin
+  NAND_COMP: NAND_BOX port map ( GOING_IN, STUCKAT_HIGH, COMING_OUT );
+end ARC2;
+
+use WORK.CON1;
+configuration CON2 of ENT2 is
+  for ARC2
+    for NAND_COMP: NAND_BOX
+      use configuration CON1
+        port map ( IN1, IN2, OUT1 );
+    end for;
+  end for;
+end CON2;
+
+-- declare a test bench
+ENTITY c10s01b00x00p03n01i00878ent IS
+END c10s01b00x00p03n01i00878ent;
+
+use WORK.c10s01b00x00p03n01i00878pkg.UNIT_DELAY;
+ARCHITECTURE c10s01b00x00p03n01i00878arch OF c10s01b00x00p03n01i00878ent IS
+  component INV
+    port ( ENTRA: in BIT; SALE: out BIT );
+  end component;
+  signal SIGIN, SIGOUT: BIT;
+BEGIN
+  INVERTER: INV port map ( SIGIN, SIGOUT );
+  TESTING: PROCESS
+    variable   k : integer := 0;
+  BEGIN
+    SIGIN <= '0';
+    wait for ( 2 * UNIT_DELAY );
+    if (SIGOUT /= '1') then
+      k := 1;
+    end if;
+    assert ( SIGOUT = '1' )
+      report "didn't invert low to high" severity FAILURE;
+    wait for ( 3 * UNIT_DELAY );
+    SIGIN <= '1';
+    wait for ( 2 * UNIT_DELAY );
+    if (SIGOUT /= '0') then
+      k := 1;
+    end if;
+    assert ( SIGOUT = '0' )
+      report "didn't invert high to low" severity FAILURE;
+    assert NOT( k=0 )
+      report "***PASSED TEST: c10s01b00x00p03n01i00878"
+      severity NOTE;
+    assert ( k=0 )
+      report "***FAILED TEST: c10s01b00x00p03n01i00878 - A declartive region is formed by the text of a configuration declaration."
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c10s01b00x00p03n01i00878arch;
+
+use WORK.CON2;
+configuration c10s01b00x00p03n01i00878cfg of c10s01b00x00p03n01i00878ent is
+  for c10s01b00x00p03n01i00878arch
+    for INVERTER: INV
+      use configuration CON2
+        port map ( ENTRA, SALE );
+    end for;
+  end for;
+end c10s01b00x00p03n01i00878cfg;