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/* $NetBSD: t_memcpy.c,v 1.6 2017/01/11 18:05:54 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];
#ifdef __NetBSD__
const char goodResult[] = "7b405d24bc03195474c70ddae9e1f8fb";
#else
const char goodResult[] = "5ab4443f0e3e058d94087d9f2a11ef5e";
#endif
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;
#ifdef __NetBSD__
srandom(0L);
#else
/*
* random() shall produce by default a sequence of numbers that can be
* duplicated by calling srandom() with 1 as the seed.
*/
srandom(1);
#endif
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_MSG(strcmp(result, goodResult), 0, "%s != %s",
result, goodResult);
}
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();
}
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