1 /* $NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $ */
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $");
42 static void fill(char *, size_t, char);
43 static bool check(char *, size_t, char);
46 ATF_TC_HEAD(memset_array, tc)
48 atf_tc_set_md_var(tc, "descr", "Test memset(3) with arrays");
51 ATF_TC_BODY(memset_array, tc)
55 (void)memset(buf, 0, sizeof(buf));
57 if (check(buf, sizeof(buf), 0) != true)
58 atf_tc_fail("memset(3) did not fill a static buffer");
60 (void)memset(buf, 'x', sizeof(buf));
62 if (check(buf, sizeof(buf), 'x') != true)
63 atf_tc_fail("memset(3) did not fill a static buffer");
66 ATF_TC(memset_return);
67 ATF_TC_HEAD(memset_return, tc)
69 atf_tc_set_md_var(tc, "descr", "Test memset(3) return value");
72 ATF_TC_BODY(memset_return, tc)
74 char *b = (char *)0x1;
76 ATF_REQUIRE_EQ(memset(b, 0, 0), b);
77 ATF_REQUIRE_EQ(memset(c, 2, sizeof(c)), c);
81 ATF_TC_HEAD(memset_basic, tc)
83 atf_tc_set_md_var(tc, "descr", "A basic test of memset(3)");
86 ATF_TC_BODY(memset_basic, tc)
93 ATF_REQUIRE(buf != NULL);
94 ATF_REQUIRE(ret != NULL);
99 ATF_REQUIRE(memcmp(ret, buf, page) == 0);
101 fill(ret, page, 'x');
102 memset(buf, 'x', page);
104 ATF_REQUIRE(memcmp(ret, buf, page) == 0);
110 ATF_TC(memset_nonzero);
111 ATF_TC_HEAD(memset_nonzero, tc)
113 atf_tc_set_md_var(tc, "descr", "Test memset(3) with non-zero params");
116 ATF_TC_BODY(memset_nonzero, tc)
118 const size_t n = 0x7f;
123 ATF_REQUIRE(buf != NULL);
125 for (i = 0x21; i < n; i++) {
127 (void)memset(buf, i, page);
129 if (check(buf, page, i) != true)
130 atf_tc_fail("memset(3) did not fill properly");
136 ATF_TC(memset_struct);
137 ATF_TC_HEAD(memset_struct, tc)
139 atf_tc_set_md_var(tc, "descr", "Test memset(3) with a structure");
142 ATF_TC_BODY(memset_struct, tc)
157 (void)memset(&st, 0, sizeof(struct stat));
159 ATF_CHECK(st.st_dev == 0);
160 ATF_CHECK(st.st_ino == 0);
161 ATF_CHECK(st.st_mode == 0);
162 ATF_CHECK(st.st_nlink == 0);
163 ATF_CHECK(st.st_uid == 0);
164 ATF_CHECK(st.st_gid == 0);
165 ATF_CHECK(st.st_rdev == 0);
166 ATF_CHECK(st.st_size == 0);
167 ATF_CHECK(st.st_atime == 0);
168 ATF_CHECK(st.st_mtime == 0);
172 fill(char *buf, size_t len, char x)
176 for (i = 0; i < len; i++)
181 check(char *buf, size_t len, char x)
185 for (i = 0; i < len; i++) {
197 page = sysconf(_SC_PAGESIZE);
198 ATF_REQUIRE(page >= 0);
200 ATF_TP_ADD_TC(tp, memset_array);
201 ATF_TP_ADD_TC(tp, memset_basic);
202 ATF_TP_ADD_TC(tp, memset_nonzero);
203 ATF_TP_ADD_TC(tp, memset_struct);
204 ATF_TP_ADD_TC(tp, memset_return);
206 return atf_no_error();