diff options
Diffstat (limited to 'testsuite/vests/vhdl-93/billowitch/compliant/tc1756.vhd')
| -rw-r--r-- | testsuite/vests/vhdl-93/billowitch/compliant/tc1756.vhd | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc1756.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc1756.vhd new file mode 100644 index 0000000..2a60eda --- /dev/null +++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc1756.vhd @@ -0,0 +1,128 @@ + +-- 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: tc1756.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +ENTITY c09s05b01x00p01n01i01756ent IS +END c09s05b01x00p01n01i01756ent; + +ARCHITECTURE c09s05b01x00p01n01i01756arch OF c09s05b01x00p01n01i01756ent IS + type t_wlogic is (U, D, Z0, Z1, ZDX, DZX, ZX); + signal count : integer ; + signal ECLK : t_wlogic; + signal ECLK2 : t_wlogic; + signal ECL : integer := 1; +BEGIN + count <= 0 after 0 ns, + 1 after 10 ns, + 2 after 20 ns, + 3 after 30 ns, + 4 after 40 ns, + 5 after 50 ns, + 6 after 60 ns; + ---------------------------------------------------------------------- + ECLK <= U after 1 ns WHEN count=0 ELSE + D after 1 ns WHEN count=1 ELSE + Z0 after 1 ns WHEN count=2 ELSE + Z1 after 1 ns WHEN count=3 ELSE + ZDX after 1 ns WHEN count=4 ELSE + DZX after 1 ns WHEN count=5 ELSE + ZX after 1 ns ; + TESTING: PROCESS(count) + BEGIN + if count = 0 then + ECLK2 <= U after 1 ns; + elsif count = 1 then + ECLK2 <= D after 1 ns; + elsif count = 2 then + ECLK2 <= Z0 after 1 ns; + elsif count = 3 then + ECLK2 <= Z1 after 1 ns; + elsif count = 4 then + ECLK2 <= ZDX after 1 ns; + elsif count = 5 then + ECLK2 <= DZX after 1 ns; + else + ECLK2 <= ZX after 1 ns; + end if; + END PROCESS TESTING; + PROCESS(ECLK,ECLK2) + BEGIN + if now = 0 ns then + NULL; + elsif (now = 1 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 11 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 21 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 31 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 41 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 51 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + elsif (now = 61 ns) and (ECLK /= ECLK2) then + assert FALSE + report "FAILED TEST" + severity ERROR; + ECL <= 0; + end if; + END PROCESS; + PROCESS(ECLK,ECLK2) + BEGIN + if (now > 60 ns) and (ECL = 1) then + assert FALSE + report "***PASSED TEST: c09s05b01x00p01n01i01756" + severity NOTE; + elsif (now > 60 ns) and (ECL = 0) then + assert FALSE + report "***FAILED TEST: c09s05b01x00p01n01i01756 - The conditional signal assignment represents a process statement in which the signal transform is an if statement." + severity ERROR; + end if; + END PROCESS; + +END c09s05b01x00p01n01i01756arch; |