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Diffstat (limited to 'testsuite/vests/vhdl-93/billowitch/compliant/tc2266.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/billowitch/compliant/tc2266.vhd | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc2266.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc2266.vhd new file mode 100644 index 0000000..60c04e4 --- /dev/null +++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc2266.vhd @@ -0,0 +1,118 @@ + +-- 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: tc2266.vhd,v 1.2 2001-10-26 16:29:46 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +ENTITY c07s02b06x00p11n01i02266ent IS +END c07s02b06x00p11n01i02266ent; + +ARCHITECTURE c07s02b06x00p11n01i02266arch OF c07s02b06x00p11n01i02266ent IS + +BEGIN + TESTING: PROCESS + -- Local declarations. + variable A, B : INTEGER; + variable OKtest : INTEGER := 0; + BEGIN + -- Test integer division. + -- 1. Both positive. + for A in 0 to 20 loop + for B in 1 to 20 loop + if NOT(((-A)/B) = -(A/B)) then + OKtest := 1; + end if; + assert (((-A)/B) = -(A/B)) + report "Integer Division operation has failed for positive integers."; + if NOT((A/(-B)) = -(A/B)) then + OKtest := 1; + end if; + assert ((A/(-B)) = -(A/B)) + report "Integer Division operation has failed for positive 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)/B) = -(A/B)) then + OKtest := 1; + end if; + assert (((-A)/B) = -(A/B)) + report "Integer Division operation has failed for positive integers."; + if NOT((A/(-B)) = -(A/B)) then + OKtest := 1; + end if; + assert ((A/(-B)) = -(A/B)) + report "Integer Division operation has failed for positive 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)/B) = -(A/B)) then + OKtest := 1; + end if; + assert (((-A)/B) = -(A/B)) + report "Integer Division operation has failed for positive integers."; + if NOT((A/(-B)) = -(A/B)) then + OKtest := 1; + end if; + assert ((A/(-B)) = -(A/B)) + report "Integer Division operation has failed for positive 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)/B) = -(A/B)) then + OKtest := 1; + end if; + assert (((-A)/B) = -(A/B)) + report "Integer Division operation has failed for positive integers."; + if NOT((A/(-B)) = -(A/B)) then + OKtest := 1; + end if; + assert ((A/(-B)) = -(A/B)) + report "Integer Division operation has failed for positive integers."; + end loop; + end loop; + + wait for 5 ns; + + assert NOT(OKtest = 0) + report "***PASSED TEST: c07s02b06x00p11n01i02266" + severity NOTE; + assert (OKtest = 0) + report "***FAILED TEST: c07s02b06x00p11n01i02266 - Integer division should satisfy the following identity: (-A)/B = -(A/B) = A/(-B)." + severity ERROR; + wait; + END PROCESS TESTING; + +END c07s02b06x00p11n01i02266arch; |