1/* $NetBSD: t_memcpy.c,v 1.3 2011/07/07 08:27:36 jruoho Exp $ */
2
3/*-
4 * Copyright (c) 2010 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#include <string.h>
34#include <assert.h>
35#include <md5.h>
36
37#include <sys/types.h>
38
39#define	ALIGNMENTS 16
40#define	LENGTHS	    4
41#define BLOCKTYPES 4
42
43MD5_CTX mc[1];
44
45typedef	unsigned char testBlock_t[ALIGNMENTS * LENGTHS];
46
47testBlock_t bss1, bss2;
48
49unsigned char *start[BLOCKTYPES] = {
50		bss1, bss2
51};
52
53char result[100];
54const char goodResult[] = "7b405d24bc03195474c70ddae9e1f8fb";
55
56static void
57runTest(unsigned char *b1, unsigned char *b2)
58{
59	int	i, j, k, m;
60	size_t	n;
61
62	for (i = 0; i < ALIGNMENTS; ++i) {
63		for (j = 0; j < ALIGNMENTS; ++j) {
64			k = sizeof(testBlock_t) - (i > j ? i : j);
65			for (m = 0; m < k; ++m) {
66				for (n = 0; n < sizeof(testBlock_t); ++n) {
67					b1[n] = (unsigned char)random();
68					b2[n] = (unsigned char)random();
69				}
70				memcpy(b1 + i, b2 + j, m);
71				MD5Update(mc, b1, sizeof(testBlock_t));
72				MD5Update(mc, b2, sizeof(testBlock_t));
73			}
74		}
75	}
76}
77
78ATF_TC(memcpy_basic);
79ATF_TC_HEAD(memcpy_basic, tc)
80{
81	atf_tc_set_md_var(tc, "descr", "Test memcpy results");
82}
83
84ATF_TC_BODY(memcpy_basic, tc)
85{
86	int i, j;
87	testBlock_t auto1, auto2;
88
89	start[2] = auto1;
90	start[3] = auto2;
91
92	srandom(0L);
93	MD5Init(mc);
94	for (i = 0; i < BLOCKTYPES; ++i)
95		for (j = 0; j < BLOCKTYPES; ++j)
96			if (i != j)
97				runTest(start[i], start[j]);
98	MD5End(mc, result);
99	ATF_REQUIRE_EQ(strcmp(result, goodResult), 0);
100}
101
102ATF_TC(memccpy_simple);
103ATF_TC_HEAD(memccpy_simple, tc)
104{
105        atf_tc_set_md_var(tc, "descr", "Test memccpy(3) results");
106}
107
108ATF_TC_BODY(memccpy_simple, tc)
109{
110	char buf[100];
111	char c = ' ';
112
113	(void)memset(buf, c, sizeof(buf));
114
115	ATF_CHECK(memccpy(buf, "foo bar", c, sizeof(buf)) != NULL);
116	ATF_CHECK(buf[4] == c);
117
118	ATF_CHECK(memccpy(buf, "foo bar", '\0', sizeof(buf) - 1) != NULL);
119	ATF_CHECK(buf[8] == c);
120
121	ATF_CHECK(memccpy(buf, "foo bar", 'x', 7) == NULL);
122	ATF_CHECK(strncmp(buf, "foo bar", 7) == 0);
123
124	ATF_CHECK(memccpy(buf, "xxxxxxx", 'r', 7) == NULL);
125	ATF_CHECK(strncmp(buf, "xxxxxxx", 7) == 0);
126}
127
128ATF_TP_ADD_TCS(tp)
129{
130
131	ATF_TP_ADD_TC(tp, memcpy_basic);
132	ATF_TP_ADD_TC(tp, memccpy_simple);
133
134	return atf_no_error();
135}
136