1 /* $NetBSD: t_abs.c,v 1.3 2014/03/01 22:38:13 joerg Exp $ */
2
3 /*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_abs.c,v 1.3 2014/03/01 22:38:13 joerg Exp $");
33
34 #include <atf-c.h>
35 #include <inttypes.h>
36 #include <limits.h>
37 #include <stdlib.h>
38
39 ATF_TC(abs_basic);
ATF_TC_HEAD(abs_basic,tc)40 ATF_TC_HEAD(abs_basic, tc)
41 {
42 atf_tc_set_md_var(tc, "descr", "Test that abs(3) works");
43 }
44
ATF_TC_BODY(abs_basic,tc)45 ATF_TC_BODY(abs_basic, tc)
46 {
47 static const struct {
48 int val;
49 int res;
50 } table[] = {
51 { 0, 0 },
52 { +0, 0 },
53 { -0, 0 },
54 { -0x1010, 0x1010 },
55 { INT_MAX, INT_MAX },
56 { -INT_MAX, INT_MAX },
57 };
58
59 for (size_t i = 0; i < __arraycount(table); i++)
60 ATF_CHECK(abs(table[i].val) == table[i].res);
61 }
62
63 ATF_TC(imaxabs_basic);
ATF_TC_HEAD(imaxabs_basic,tc)64 ATF_TC_HEAD(imaxabs_basic, tc)
65 {
66 atf_tc_set_md_var(tc, "descr", "Test that imaxabs(3) works");
67 }
68
ATF_TC_BODY(imaxabs_basic,tc)69 ATF_TC_BODY(imaxabs_basic, tc)
70 {
71 static const struct {
72 intmax_t val;
73 intmax_t res;
74 } table[] = {
75 { 0, 0 },
76 { INT_MAX, INT_MAX },
77 { -INT_MAX, INT_MAX },
78 { LONG_MAX, LONG_MAX },
79 { -LONG_MAX, LONG_MAX },
80 { LLONG_MAX, LLONG_MAX },
81 { -LLONG_MAX, LLONG_MAX },
82 { INT_MAX, INT_MAX },
83 { -INT_MAX, INT_MAX },
84 };
85
86 for (size_t i = 0; i < __arraycount(table); i++)
87 ATF_CHECK(imaxabs(table[i].val) == table[i].res);
88 }
89
90 ATF_TC(labs_basic);
ATF_TC_HEAD(labs_basic,tc)91 ATF_TC_HEAD(labs_basic, tc)
92 {
93 atf_tc_set_md_var(tc, "descr", "Test that labs(3) works");
94 }
95
ATF_TC_BODY(labs_basic,tc)96 ATF_TC_BODY(labs_basic, tc)
97 {
98 static const struct {
99 long val;
100 long res;
101 } table[] = {
102 { 0, 0 },
103 { +0, 0 },
104 { -0, 0 },
105 { -1, 1 },
106 { LONG_MAX, LONG_MAX },
107 { -LONG_MAX, LONG_MAX },
108 { INT_MAX, INT_MAX },
109 { -INT_MAX, INT_MAX },
110 };
111
112 for (size_t i = 0; i < __arraycount(table); i++)
113 ATF_CHECK(labs(table[i].val) == table[i].res);
114 }
115
116 ATF_TC(llabs_basic);
ATF_TC_HEAD(llabs_basic,tc)117 ATF_TC_HEAD(llabs_basic, tc)
118 {
119 atf_tc_set_md_var(tc, "descr", "Test that llabs(3) works");
120 }
121
ATF_TC_BODY(llabs_basic,tc)122 ATF_TC_BODY(llabs_basic, tc)
123 {
124 static const struct {
125 long long val;
126 long long res;
127 } table[] = {
128 { 0, 0 },
129 { +0, 0 },
130 { -0, 0 },
131 { -1, 1 },
132 { INT_MAX, INT_MAX },
133 { -INT_MAX, INT_MAX },
134 { LONG_MAX, LONG_MAX },
135 { -LONG_MAX, LONG_MAX },
136 { LLONG_MAX, LLONG_MAX },
137 { -LLONG_MAX, LLONG_MAX },
138 { -0x100000000LL, 0x100000000LL },
139 };
140
141 for (size_t i = 0; i < __arraycount(table); i++)
142 ATF_CHECK(llabs(table[i].val) == table[i].res);
143 }
144
ATF_TP_ADD_TCS(tp)145 ATF_TP_ADD_TCS(tp)
146 {
147
148 ATF_TP_ADD_TC(tp, abs_basic);
149 ATF_TP_ADD_TC(tp, imaxabs_basic);
150 ATF_TP_ADD_TC(tp, labs_basic);
151 ATF_TP_ADD_TC(tp, llabs_basic);
152
153 return atf_no_error();
154 }
155