1 files changed, 60 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc2148.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc2148.vhd
new file mode 100644
index 000000000..a387d6558
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+++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc2148.vhd
@@ -0,0 +1,60 @@
+
+-- 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: tc2148.vhd,v 1.2 2001-10-26 16:29:46 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c07s02b04x00p21n01i02148ent IS
+END c07s02b04x00p21n01i02148ent;
+
+ARCHITECTURE c07s02b04x00p21n01i02148arch OF c07s02b04x00p21n01i02148ent IS
+
+  TYPE     time_v       is array (integer range <>) of time;
+  SUBTYPE     time_1       is time_v (1 to 1);
+  SUBTYPE     time_null    is time_v (1 to 0);
+
+BEGIN
+  TESTING: PROCESS
+    variable result    : time_1;
+    variable l_operand : time_null;
+    variable r_operand : time :=  78 ns ;
+  BEGIN
+--
+-- The element is treated as an implicit single element array !
+--
+    result := l_operand & r_operand;
+    wait for 5 ns;
+    assert NOT(result(1) = 78 ns) 
+      report "***PASSED TEST: c07s02b04x00p21n01i02148"
+      severity NOTE;
+    assert (result(1) = 78 ns) 
+      report "***FAILED TEST: c07s02b04x00p21n01i02148 - Concatenation of null and TIME element failed."
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c07s02b04x00p21n01i02148arch;