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diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/tb_flipflop.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/tb_flipflop.vhd
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+
+-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
+
+-- 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
+
+
+entity tb_flipflop is
+end entity tb_flipflop;
+
+
+architecture test of tb_flipflop is
+
+ signal clk, d, q : bit;
+
+begin
+
+ dut : entity work.flipflop(behavior)
+ generic map ( Tsetup => 3 ns )
+ port map ( clk => clk, d => d, q => q );
+
+ clk <= '1' after 10 ns, '0' after 20 ns;
+
+ d <= '1' after 8 ns;
+
+end architecture test;