t_memmem.c revision 276478 
1/*	$NetBSD: t_memmem.c,v 1.2 2011/07/07 08:27:36 jruoho Exp $ */
2
3/*-
4 * Copyright (c) 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Perry E. Metzger of Metzger, Dowdeswell & Co. LLC.
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
32#include <atf-c.h>
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37
38char p0[] = "";
39int lp0 = 0;
40char p1[] = "0123";
41int lp1 = 4;
42char p2[] = "456";
43int lp2 = 3;
44char p3[] = "789";
45int lp3 = 3;
46char p4[] = "abc";
47int lp4 = 3;
48char p5[] = "0";
49int lp5 = 1;
50char p6[] = "9";
51int lp6 = 1;
52char p7[] = "654";
53int lp7 = 3;
54
55char b0[] = "";
56int lb0 = 0;
57char b1[] = "0";
58int lb1 = 1;
59char b2[] = "0123456789";
60int lb2 = 10;
61
62#define expect(b)							\
63	if (!(b)) {							\
64		fprintf(stderr, "failed on line %d\n", __LINE__);	\
65		atf_tc_fail("Check stderr for test id/line");		\
66	}
67
68ATF_TC(memmem_basic);
69ATF_TC_HEAD(memmem_basic, tc)
70{
71
72	atf_tc_set_md_var(tc, "descr", "Test memmem results");
73}
74
75ATF_TC_BODY(memmem_basic, tc)
76{
77
78#if defined(__darwin__) || defined(__FreeBSD__)
79	expect(memmem(b2, lb2, p0, lp0) == NULL);
80	expect(memmem(b0, lb0, p0, lp0) == NULL);
81#else
82	expect(memmem(b2, lb2, p0, lp0) == b2);
83	expect(memmem(b0, lb0, p0, lp0) == b0);
84#endif
85	expect(memmem(b0, lb0, p1, lp1) == NULL);
86	expect(memmem(b1, lb1, p1, lp1) == NULL);
87
88	expect(memmem(b2, lb2, p1, lp1) == b2);
89	expect(memmem(b2, lb2, p2, lp2) == (b2 + 4));
90	expect(memmem(b2, lb2, p3, lp3) == (b2 + 7));
91
92	expect(memmem(b2, lb2, p5, lp5) == b2);
93	expect(memmem(b2, lb2, p6, lp6) == (b2 + 9));
94
95	expect(memmem(b2, lb2, p4, lp4) == NULL);
96	expect(memmem(b2, lb2, p7, lp7) == NULL);
97}
98
99ATF_TP_ADD_TCS(tp)
100{
101
102	ATF_TP_ADD_TC(tp, memmem_basic);
103
104	return atf_no_error();
105}
106