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
39ATF_TC(abs_basic);
40ATF_TC_HEAD(abs_basic, tc)
41{
42	atf_tc_set_md_var(tc, "descr", "Test that abs(3) works");
43}
44
45ATF_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
63ATF_TC(imaxabs_basic);
64ATF_TC_HEAD(imaxabs_basic, tc)
65{
66	atf_tc_set_md_var(tc, "descr", "Test that imaxabs(3) works");
67}
68
69ATF_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
90ATF_TC(labs_basic);
91ATF_TC_HEAD(labs_basic, tc)
92{
93	atf_tc_set_md_var(tc, "descr", "Test that labs(3) works");
94}
95
96ATF_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
116ATF_TC(llabs_basic);
117ATF_TC_HEAD(llabs_basic, tc)
118{
119	atf_tc_set_md_var(tc, "descr", "Test that llabs(3) works");
120}
121
122ATF_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
145ATF_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