diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/string/t_memcpy.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/string/t_memcpy.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/string/t_memcpy.c b/contrib/netbsd-tests/lib/libc/string/t_memcpy.c new file mode 100644 index 0000000..6485a88 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/string/t_memcpy.c @@ -0,0 +1,150 @@ +/* $NetBSD: t_memcpy.c,v 1.5 2013/03/17 02:23:31 christos Exp $ */ + +/*- + * Copyright (c) 2010 The NetBSD Foundation, Inc. + * All rights reserved. + * + * 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 <atf-c.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <md5.h> + +#include <sys/types.h> + +#define ALIGNMENTS 16 +#define LENGTHS 4 +#define BLOCKTYPES 4 + +MD5_CTX mc[1]; + +typedef unsigned char testBlock_t[ALIGNMENTS * LENGTHS]; + +testBlock_t bss1, bss2; + +unsigned char *start[BLOCKTYPES] = { + bss1, bss2 +}; + +char result[100]; +const char goodResult[] = "7b405d24bc03195474c70ddae9e1f8fb"; + +static void +runTest(unsigned char *b1, unsigned char *b2) +{ + int i, j, k, m; + size_t n; + + for (i = 0; i < ALIGNMENTS; ++i) { + for (j = 0; j < ALIGNMENTS; ++j) { + k = sizeof(testBlock_t) - (i > j ? i : j); + for (m = 0; m < k; ++m) { + for (n = 0; n < sizeof(testBlock_t); ++n) { + b1[n] = (unsigned char)random(); + b2[n] = (unsigned char)random(); + } + memcpy(b1 + i, b2 + j, m); + MD5Update(mc, b1, sizeof(testBlock_t)); + MD5Update(mc, b2, sizeof(testBlock_t)); + } + } + } +} + +ATF_TC(memcpy_basic); +ATF_TC_HEAD(memcpy_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memcpy results"); +} + +ATF_TC_BODY(memcpy_basic, tc) +{ + int i, j; + testBlock_t auto1, auto2; + + start[2] = auto1; + start[3] = auto2; + + srandom(0L); + MD5Init(mc); + for (i = 0; i < BLOCKTYPES; ++i) + for (j = 0; j < BLOCKTYPES; ++j) + if (i != j) + runTest(start[i], start[j]); + MD5End(mc, result); + ATF_REQUIRE_EQ(strcmp(result, goodResult), 0); +} + +ATF_TC(memccpy_simple); +ATF_TC_HEAD(memccpy_simple, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memccpy(3) results"); +} + +ATF_TC_BODY(memccpy_simple, tc) +{ + char buf[100]; + char c = ' '; + + (void)memset(buf, c, sizeof(buf)); + + ATF_CHECK(memccpy(buf, "foo bar", c, sizeof(buf)) != NULL); + ATF_CHECK(buf[4] == c); + + ATF_CHECK(memccpy(buf, "foo bar", '\0', sizeof(buf) - 1) != NULL); + ATF_CHECK(buf[8] == c); + + ATF_CHECK(memccpy(buf, "foo bar", 'x', 7) == NULL); + ATF_CHECK(strncmp(buf, "foo bar", 7) == 0); + + ATF_CHECK(memccpy(buf, "xxxxxxx", 'r', 7) == NULL); + ATF_CHECK(strncmp(buf, "xxxxxxx", 7) == 0); +} + +ATF_TC(memcpy_return); +ATF_TC_HEAD(memcpy_return, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memcpy(3) return value"); +} + +ATF_TC_BODY(memcpy_return, tc) +{ + char *b = (char *)0x1; + char c[2]; + ATF_REQUIRE_EQ(memcpy(b, b, 0), b); + ATF_REQUIRE_EQ(memcpy(c, "ab", sizeof(c)), c); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, memcpy_basic); + ATF_TP_ADD_TC(tp, memcpy_return); + ATF_TP_ADD_TC(tp, memccpy_simple); + + return atf_no_error(); +} |
