1 /* $NetBSD: t_memcpy.c,v 1.5 2013/03/17 02:23:31 christos Exp $ */
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
37 #include <sys/types.h>
45 typedef unsigned char testBlock_t[ALIGNMENTS * LENGTHS];
47 testBlock_t bss1, bss2;
49 unsigned char *start[BLOCKTYPES] = {
55 const char goodResult[] = "7b405d24bc03195474c70ddae9e1f8fb";
57 const char goodResult[] = "5ab4443f0e3e058d94087d9f2a11ef5e";
61 runTest(unsigned char *b1, unsigned char *b2)
66 for (i = 0; i < ALIGNMENTS; ++i) {
67 for (j = 0; j < ALIGNMENTS; ++j) {
68 k = sizeof(testBlock_t) - (i > j ? i : j);
69 for (m = 0; m < k; ++m) {
70 for (n = 0; n < sizeof(testBlock_t); ++n) {
71 b1[n] = (unsigned char)random();
72 b2[n] = (unsigned char)random();
74 memcpy(b1 + i, b2 + j, m);
75 MD5Update(mc, b1, sizeof(testBlock_t));
76 MD5Update(mc, b2, sizeof(testBlock_t));
83 ATF_TC_HEAD(memcpy_basic, tc)
85 atf_tc_set_md_var(tc, "descr", "Test memcpy results");
88 ATF_TC_BODY(memcpy_basic, tc)
91 testBlock_t auto1, auto2;
100 * random() shall produce by default a sequence of numbers that can be
101 * duplicated by calling srandom() with 1 as the seed.
106 for (i = 0; i < BLOCKTYPES; ++i)
107 for (j = 0; j < BLOCKTYPES; ++j)
109 runTest(start[i], start[j]);
112 ATF_REQUIRE_EQ(strcmp(result, goodResult), 0);
114 ATF_REQUIRE_EQ_MSG(strcmp(result, goodResult), 0, "%s != %s",
119 ATF_TC(memccpy_simple);
120 ATF_TC_HEAD(memccpy_simple, tc)
122 atf_tc_set_md_var(tc, "descr", "Test memccpy(3) results");
125 ATF_TC_BODY(memccpy_simple, tc)
130 (void)memset(buf, c, sizeof(buf));
132 ATF_CHECK(memccpy(buf, "foo bar", c, sizeof(buf)) != NULL);
133 ATF_CHECK(buf[4] == c);
135 ATF_CHECK(memccpy(buf, "foo bar", '\0', sizeof(buf) - 1) != NULL);
136 ATF_CHECK(buf[8] == c);
138 ATF_CHECK(memccpy(buf, "foo bar", 'x', 7) == NULL);
139 ATF_CHECK(strncmp(buf, "foo bar", 7) == 0);
141 ATF_CHECK(memccpy(buf, "xxxxxxx", 'r', 7) == NULL);
142 ATF_CHECK(strncmp(buf, "xxxxxxx", 7) == 0);
145 ATF_TC(memcpy_return);
146 ATF_TC_HEAD(memcpy_return, tc)
148 atf_tc_set_md_var(tc, "descr", "Test memcpy(3) return value");
151 ATF_TC_BODY(memcpy_return, tc)
153 char *b = (char *)0x1;
155 ATF_REQUIRE_EQ(memcpy(b, b, 0), b);
156 ATF_REQUIRE_EQ(memcpy(c, "ab", sizeof(c)), c);
162 ATF_TP_ADD_TC(tp, memcpy_basic);
163 ATF_TP_ADD_TC(tp, memcpy_return);
164 ATF_TP_ADD_TC(tp, memccpy_simple);
166 return atf_no_error();