diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/string/t_memset.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/string/t_memset.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/string/t_memset.c b/contrib/netbsd-tests/lib/libc/string/t_memset.c new file mode 100644 index 000000000000..c1fb3855e076 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/string/t_memset.c @@ -0,0 +1,207 @@ +/* $NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jukka Ruohonen. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $"); + +#include <sys/stat.h> + +#include <atf-c.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static long page = 0; +static void fill(char *, size_t, char); +static bool check(char *, size_t, char); + +ATF_TC(memset_array); +ATF_TC_HEAD(memset_array, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memset(3) with arrays"); +} + +ATF_TC_BODY(memset_array, tc) +{ + char buf[1024]; + + (void)memset(buf, 0, sizeof(buf)); + + if (check(buf, sizeof(buf), 0) != true) + atf_tc_fail("memset(3) did not fill a static buffer"); + + (void)memset(buf, 'x', sizeof(buf)); + + if (check(buf, sizeof(buf), 'x') != true) + atf_tc_fail("memset(3) did not fill a static buffer"); +} + +ATF_TC(memset_return); +ATF_TC_HEAD(memset_return, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memset(3) return value"); +} + +ATF_TC_BODY(memset_return, tc) +{ + char *b = (char *)0x1; + char c[2]; + ATF_REQUIRE_EQ(memset(b, 0, 0), b); + ATF_REQUIRE_EQ(memset(c, 2, sizeof(c)), c); +} + +ATF_TC(memset_basic); +ATF_TC_HEAD(memset_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of memset(3)"); +} + +ATF_TC_BODY(memset_basic, tc) +{ + char *buf, *ret; + + buf = malloc(page); + ret = malloc(page); + + ATF_REQUIRE(buf != NULL); + ATF_REQUIRE(ret != NULL); + + fill(ret, page, 0); + memset(buf, 0, page); + + ATF_REQUIRE(memcmp(ret, buf, page) == 0); + + fill(ret, page, 'x'); + memset(buf, 'x', page); + + ATF_REQUIRE(memcmp(ret, buf, page) == 0); + + free(buf); + free(ret); +} + +ATF_TC(memset_nonzero); +ATF_TC_HEAD(memset_nonzero, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memset(3) with non-zero params"); +} + +ATF_TC_BODY(memset_nonzero, tc) +{ + const size_t n = 0x7f; + char *buf; + size_t i; + + buf = malloc(page); + ATF_REQUIRE(buf != NULL); + + for (i = 0x21; i < n; i++) { + + (void)memset(buf, i, page); + + if (check(buf, page, i) != true) + atf_tc_fail("memset(3) did not fill properly"); + } + + free(buf); +} + +ATF_TC(memset_struct); +ATF_TC_HEAD(memset_struct, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memset(3) with a structure"); +} + +ATF_TC_BODY(memset_struct, tc) +{ + struct stat st; + + st.st_dev = 0; + st.st_ino = 1; + st.st_mode = 2; + st.st_nlink = 3; + st.st_uid = 4; + st.st_gid = 5; + st.st_rdev = 6; + st.st_size = 7; + st.st_atime = 8; + st.st_mtime = 9; + + (void)memset(&st, 0, sizeof(struct stat)); + + ATF_CHECK(st.st_dev == 0); + ATF_CHECK(st.st_ino == 0); + ATF_CHECK(st.st_mode == 0); + ATF_CHECK(st.st_nlink == 0); + ATF_CHECK(st.st_uid == 0); + ATF_CHECK(st.st_gid == 0); + ATF_CHECK(st.st_rdev == 0); + ATF_CHECK(st.st_size == 0); + ATF_CHECK(st.st_atime == 0); + ATF_CHECK(st.st_mtime == 0); +} + +static void +fill(char *buf, size_t len, char x) +{ + size_t i; + + for (i = 0; i < len; i++) + buf[i] = x; +} + +static bool +check(char *buf, size_t len, char x) +{ + size_t i; + + for (i = 0; i < len; i++) { + + if (buf[i] != x) + return false; + } + + return true; +} + +ATF_TP_ADD_TCS(tp) +{ + + page = sysconf(_SC_PAGESIZE); + ATF_REQUIRE(page >= 0); + + ATF_TP_ADD_TC(tp, memset_array); + ATF_TP_ADD_TC(tp, memset_basic); + ATF_TP_ADD_TC(tp, memset_nonzero); + ATF_TP_ADD_TC(tp, memset_struct); + ATF_TP_ADD_TC(tp, memset_return); + + return atf_no_error(); +} |