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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: tc2269.vhd,v 1.2 2001-10-26 16:29:46 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c07s02b06x00p12n01i02269ent IS
+END c07s02b06x00p12n01i02269ent;
+
+ARCHITECTURE c07s02b06x00p12n01i02269arch OF c07s02b06x00p12n01i02269ent IS
+
+BEGIN
+ TESTING: PROCESS
+ -- Local declarations.
+ variable A, B : INTEGER;
+ variable OKtest : INTEGER := 0;
+ BEGIN
+ -- Test integer mod operations.
+ -- 1. Both positive.
+ for A in 0 to 20 loop
+ for B in 1 to 20 loop
+ if NOT(((A - (A mod B)) rem B) = 0) then
+ Oktest := 1;
+ end if;
+ assert (((A - (A mod B)) rem B) = 0)
+ report "Mod operation has failed for integers.";
+ end loop;
+ end loop;
+
+ -- 2. A negative, B positive.
+ for A in -1 downto -20 loop
+ for B in 1 to 20 loop
+ if NOT(((A - (A mod B)) rem B) = 0) then
+ Oktest := 1;
+ end if;
+ assert (((A - (A mod B)) rem B) = 0)
+ report "Mod operation has failed for integers.";
+ end loop;
+ end loop;
+
+ -- 3. A positive, B negative.
+ for A in 0 to 20 loop
+ for B in -1 downto -20 loop
+ if NOT(((A - (A mod B)) rem B) = 0) then
+ Oktest := 1;
+ end if;
+ assert (((A - (A mod B)) rem B) = 0)
+ report "Mod operation has failed for integers.";
+ end loop;
+ end loop;
+
+ -- 4. Both negative.
+ for A in -1 downto -20 loop
+ for B in -1 downto -20 loop
+ if NOT(((A - (A mod B)) rem B) = 0) then
+ Oktest := 1;
+ end if;
+ assert (((A - (A mod B)) rem B) = 0)
+ report "Mod operation has failed for integers.";
+ end loop;
+ end loop;
+ wait for 5 ns;
+ assert NOT(OKtest=0)
+ report "***PASSED TEST: c07s02b06x00p12n01i02269"
+ severity NOTE;
+ assert (OKtest=0)
+ report "***FAILED TEST: c07s02b06x00p12n01i02269 - The result of the modulus operation satisfy the relation :A = B*N + (A mod B)."
+ severity ERROR;
+ wait;
+ END PROCESS TESTING;
+
+END c07s02b06x00p12n01i02269arch;