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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
-- 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: tc1911.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
ENTITY c07s02b00x00p09n02i01911ent IS
END c07s02b00x00p09n02i01911ent;
ARCHITECTURE c07s02b00x00p09n02i01911arch OF c07s02b00x00p09n02i01911ent IS
BEGIN
TESTING: PROCESS
variable ValueI1, SameValueI1, DifferentValueI1 : INTEGER;
variable ValueI2, SameValueI2, DifferentValueI2 : INTEGER;
variable ValueI3, SameValueI3, DifferentValueI3 : INTEGER;
variable ValueI4, SameValueI4, DifferentValueI4 : INTEGER;
BEGIN
-- adding operators.
-- Cannot compare the "&" operator against either the "+" or
-- "-" operators. The only two we can compare are the "+"
-- and the "-" operators.
-- "+", "-"
ValueI1 := 14 + 1 - 9 - 7;
SameValueI1 := ((14 + 1) - 9) - 7;
DifferentValueI1:= 14 + (1 - (9 - 7));
assert (ValueI1 = SameValueI1)
report "Values of same precedence are not evaluated left to right.";
assert (ValueI1 /= DifferentValueI1)
report "Values of same precedence are not evaluated left to right.";
-- multiplying operators.
-- "*", "/"
ValueI2 := 14 / 7 * 3;
SameValueI2 := (14 / 7) * 3; -- 6
DifferentValueI2 := 14 / (7 * 3); -- 0
assert (ValueI2 = SameValueI2)
report "Values of same precedence are not evaluated left to right.";
assert (ValueI2 /= DifferentValueI2)
report "Values of same precedence are not evaluated left to right.";
-- "*", "mod"
ValueI3 := 14 mod 7 * 3;
SameValueI3 := (14 mod 7) * 3; -- 0
DifferentValueI3 := 14 mod (7 * 3); -- 14
assert (ValueI3 = SameValueI3)
report "Values of same precedence are not evaluated left to right.";
assert (ValueI3 /= DifferentValueI3)
report "Values of same precedence are not evaluated left to right.";
-- "*", "rem"
ValueI4 := 14 rem 7 * 3;
SameValueI4 := (14 rem 7) * 3; -- 0
DifferentValueI4 := 14 rem (7 * 3); -- 14
assert (ValueI4 = SameValueI4)
report "Values of same precedence are not evaluated left to right.";
assert (ValueI4 /= DifferentValueI4)
report "Values of same precedence are not evaluated left to right.";
wait for 5 ns;
assert NOT( (ValueI1 = SameValueI1) and
(ValueI1 /= DifferentValueI1) and
(ValueI2 = SameValueI2) and
(ValueI2 /= DifferentValueI2) and
(ValueI3 = SameValueI3) and
(ValueI3 /= DifferentValueI3) and
(ValueI4 = SameValueI4) and
(ValueI4 /= DifferentValueI4) )
report "***PASSED TEST: c07s02b00x00p09n02i01911"
severity NOTE;
assert ( (ValueI1 = SameValueI1) and
(ValueI1 /= DifferentValueI1) and
(ValueI2 = SameValueI2) and
(ValueI2 /= DifferentValueI2) and
(ValueI3 = SameValueI3) and
(ValueI3 /= DifferentValueI3) and
(ValueI4 = SameValueI4) and
(ValueI4 /= DifferentValueI4) )
report "***FAILED TEST: c07s02b00x00p09n02i01911 - Operators are not associated with their operands in textual order."
severity ERROR;
wait;
END PROCESS TESTING;
END c07s02b00x00p09n02i01911arch;
|
