xref: /netbsd-src/tests/lib/libc/stdlib/t_div.c (revision 88fcb00c0357f2d7c1774f86a352637bfda96184)
1 /*	$NetBSD: t_div.c,v 1.1 2010/12/23 15:27:44 pgoyette 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);
40 
41 ATF_TC_HEAD(div, tc)
42 {
43 
44 	atf_tc_set_md_var(tc, "descr", "Test div(3) for correctness");
45 }
46 
47 ATF_TC_BODY(div, tc)
48 {
49 	div_t d;
50 
51 	d = div(NUM, DENOM);
52 
53 	ATF_CHECK(d.quot == QUOT);
54 	ATF_CHECK(d.rem  == REM);
55 }
56 
57 ATF_TC(ldiv);
58 
59 ATF_TC_HEAD(ldiv, tc)
60 {
61 
62 	atf_tc_set_md_var(tc, "descr", "Test ldiv(3) for correctness");
63 }
64 
65 ATF_TC_BODY(ldiv, tc)
66 {
67 	ldiv_t ld;
68 
69 	ld = ldiv(NUM, DENOM);
70 
71 	ATF_CHECK(ld.quot == QUOT);
72 	ATF_CHECK(ld.rem  == REM);
73 }
74 
75 ATF_TC(lldiv);
76 
77 ATF_TC_HEAD(lldiv, tc)
78 {
79 
80 	atf_tc_set_md_var(tc, "descr", "Test lllldiv(3) for correctness");
81 }
82 
83 ATF_TC_BODY(lldiv, tc)
84 {
85 	lldiv_t lld;
86 
87 	lld = lldiv(NUM, DENOM);
88 
89 	ATF_CHECK(lld.quot == QUOT);
90 	ATF_CHECK(lld.rem  == REM);
91 }
92 
93 ATF_TP_ADD_TCS(tp)
94 {
95 
96 	ATF_TP_ADD_TC(tp, div);
97 	ATF_TP_ADD_TC(tp, ldiv);
98 	ATF_TP_ADD_TC(tp, lldiv);
99 
100 	return atf_no_error();
101 }
102