xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_div.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1 /*	$NetBSD: t_div.c,v 1.2 2011/07/07 11:12:18 jruoho Exp $ */
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <atf-c.h>
30 
31 #include <stdio.h>
32 #include <stdlib.h>
33 
34 #define	NUM	1999236
35 #define	DENOM	1000000
36 #define	QUOT	1
37 #define	REM	999236
38 
39 ATF_TC(div_basic);
40 ATF_TC_HEAD(div_basic, tc)
41 {
42 
43 	atf_tc_set_md_var(tc, "descr", "Test div(3) for correctness");
44 }
45 
46 ATF_TC_BODY(div_basic, tc)
47 {
48 	div_t d;
49 
50 	d = div(NUM, DENOM);
51 
52 	ATF_CHECK(d.quot == QUOT);
53 	ATF_CHECK(d.rem  == REM);
54 }
55 
56 ATF_TC(ldiv_basic);
57 ATF_TC_HEAD(ldiv_basic, tc)
58 {
59 
60 	atf_tc_set_md_var(tc, "descr", "Test ldiv(3) for correctness");
61 }
62 
63 ATF_TC_BODY(ldiv_basic, tc)
64 {
65 	ldiv_t ld;
66 
67 	ld = ldiv(NUM, DENOM);
68 
69 	ATF_CHECK(ld.quot == QUOT);
70 	ATF_CHECK(ld.rem  == REM);
71 }
72 
73 ATF_TC(lldiv_basic);
74 ATF_TC_HEAD(lldiv_basic, tc)
75 {
76 
77 	atf_tc_set_md_var(tc, "descr", "Test lllldiv(3) for correctness");
78 }
79 
80 ATF_TC_BODY(lldiv_basic, tc)
81 {
82 	lldiv_t lld;
83 
84 	lld = lldiv(NUM, DENOM);
85 
86 	ATF_CHECK(lld.quot == QUOT);
87 	ATF_CHECK(lld.rem  == REM);
88 }
89 
90 ATF_TP_ADD_TCS(tp)
91 {
92 
93 	ATF_TP_ADD_TC(tp, div_basic);
94 	ATF_TP_ADD_TC(tp, ldiv_basic);
95 	ATF_TP_ADD_TC(tp, lldiv_basic);
96 
97 	return atf_no_error();
98 }
99