Import vests testsuite

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diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc1137.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc1137.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: tc1137.vhd,v 1.2 2001-10-26 16:29:39 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c06s05b00x00p04n02i01137ent IS
+  type aray1 is array (integer range <>) of bit;
+END c06s05b00x00p04n02i01137ent;
+
+ARCHITECTURE c06s05b00x00p04n02i01137arch OF c06s05b00x00p04n02i01137ent IS
+
+BEGIN
+  TESTING: PROCESS
+    variable nul : aray1(2 to 1); -- null array 
+    variable nu2 : aray1(9 to 1); -- null array
+  BEGIN
+    --
+    -- Test the range direction
+    --
+    assert NOT(nul = nu2) 
+      report "***PASSED TEST: c06s05b00x00p04n02i01137" 
+      severity NOTE;
+    assert (nul = nu2) 
+      report "***FAILED TEST: c06s05b00x00p04n02i01137- The slice is a null slice if the discrete range is a null range." 
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c06s05b00x00p04n02i01137arch;