blob: c68ed520bc7f28c24f6b8e14484d371bfc395b37 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
-- 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: tc945.vhd,v 1.2 2001-10-26 16:30:02 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
ENTITY c06s01b00x00p09n01i00945ent IS
END c06s01b00x00p09n01i00945ent;
ARCHITECTURE c06s01b00x00p09n01i00945arch OF c06s01b00x00p09n01i00945ent IS
BEGIN
TESTING: PROCESS
function "+" (a, b:in integer) return bit is
variable c: bit;
variable d: integer := 0;
begin
d := a + b + "+".d; -- function call can be used as a prefix.
if (d > 0) then
c := '0';
end if;
if (d < 0) then
c := '1';
end if;
return c;
end;
variable k : bit;
BEGIN
k := "+"(1,2);
assert NOT(k='0')
report "***PASSED TEST: c06s01b00x00p09n01i00945"
severity NOTE;
assert (k='0')
report "***FAILED TEST: c06s01b00x00p09n01i00945 - Prefix can only be a name or a function_call."
severity ERROR;
wait;
END PROCESS TESTING;
END c06s01b00x00p09n01i00945arch;
|