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diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc879.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc879.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: tc879.vhd,v 1.2 2001-10-26 16:30:01 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+package c10s01b00x00p04n01i00879pkg_a is
+  -- define a subtype to be used elsewhere
+  subtype EIGHTIES is INTEGER range 1980 to 1989;
+end c10s01b00x00p04n01i00879pkg_a;
+
+package c10s01b00x00p04n01i00879pkg_b is
+  use WORK.c10s01b00x00p04n01i00879pkg_a.EIGHTIES;
+  function INTO_EIGHTIES ( ARG: in INTEGER ) return EIGHTIES;
+end c10s01b00x00p04n01i00879pkg_b;
+
+package body c10s01b00x00p04n01i00879pkg_b is
+  -- map any integer into range 1980 : 1989 based on one's digit
+  function INTO_EIGHTIES ( ARG: in INTEGER ) return EIGHTIES is
+    variable RETVAL: EIGHTIES;
+  begin
+    RETVAL := ( ( abs ARG ) mod 10 ) + 1980;
+    return RETVAL;
+  end INTO_EIGHTIES;
+end c10s01b00x00p04n01i00879pkg_b;
+
+
+ENTITY c10s01b00x00p04n01i00879ent IS
+END c10s01b00x00p04n01i00879ent;
+
+use WORK.c10s01b00x00p04n01i00879pkg_a.all;
+use WORK.c10s01b00x00p04n01i00879pkg_b.all;
+ARCHITECTURE c10s01b00x00p04n01i00879arch OF c10s01b00x00p04n01i00879ent IS
+  signal THE_INPUT   : INTEGER;
+  signal THE_OUTPUT   : INTEGER;
+BEGIN
+  TESTING: PROCESS
+    variable   k : integer := 0;
+  BEGIN
+    for I in 120 to 149 loop
+      THE_INPUT    <= I;
+      THE_OUTPUT    <= INTO_EIGHTIES( I );
+      wait for 1 ns;
+      if ( THE_OUTPUT < 1980 or THE_OUTPUT > 1989 ) then
+        k := 1;
+      end if;
+      assert ( ( THE_OUTPUT >= 1980 ) and ( THE_OUTPUT <= 1989 ) )
+        report "output is out of range" 
+        severity FAILURE;
+    end loop;
+    assert NOT( k=0 )
+      report "***PASSED TEST: c10s01b00x00p04n01i00879"
+      severity NOTE;
+    assert ( k=0 )
+      report "***FAILED TEST: c10s01b00x00p04n01i00879 - Declaration is formed by the subprogram declaration together with the corresponding subprogram body."
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c10s01b00x00p04n01i00879arch;