Sweden-Number/dlls/msvcrt/tests/misc.c

114 lines
3.2 KiB
C

/*
* Unit tests for miscellaneous msvcrt functions
*
* Copyright 2010 Andrew Nguyen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "wine/test.h"
#include <errno.h>
#include "msvcrt.h"
static int (__cdecl *prand_s)(unsigned int *);
static int (__cdecl *memcpy_s)(void *, MSVCRT_size_t, void*, MSVCRT_size_t);
static void init(void)
{
HMODULE hmod = GetModuleHandleA("msvcrt.dll");
prand_s = (void *)GetProcAddress(hmod, "rand_s");
memcpy_s = (void*)GetProcAddress(hmod, "memcpy_s");
}
static void test_rand_s(void)
{
int ret;
unsigned int rand;
if (!prand_s)
{
win_skip("rand_s is not available\n");
return;
}
errno = EBADF;
ret = prand_s(NULL);
ok(ret == EINVAL, "Expected rand_s to return EINVAL, got %d\n", ret);
ok(errno == EINVAL, "Expected errno to return EINVAL, got %d\n", errno);
ret = prand_s(&rand);
ok(ret == 0, "Expected rand_s to return 0, got %d\n", ret);
}
static void test_memcpy_s(void)
{
static char data[] = "data\0to\0be\0copied";
static char dest[32];
int ret;
if(!memcpy_s)
{
win_skip("memcpy_s in not available\n");
return;
}
errno = 0xdeadbeef;
ret = memcpy_s(NULL, 0, NULL, 0);
ok(ret == 0, "ret = %x\n", ret);
ok(errno == 0xdeadbeef, "errno = %x\n", errno);
errno = 0xdeadbeef;
dest[0] = 'x';
ret = memcpy_s(dest, 10, NULL, 0);
ok(ret == 0, "ret = %x\n", ret);
ok(errno == 0xdeadbeef, "errno = %x\n", errno);
ok(dest[0] == 'x', "dest[0] != \'x\'\n");
errno = 0xdeadbeef;
ret = memcpy_s(NULL, 10, data, 10);
ok(ret == EINVAL, "ret = %x\n", ret);
ok(errno == EINVAL, "errno = %x\n", errno);
errno = 0xdeadbeef;
dest[7] = 'x';
ret = memcpy_s(dest, 10, data, 5);
ok(ret == 0, "ret = %x\n", ret);
ok(errno == 0xdeadbeef, "errno = %x\n", errno);
ok(memcmp(dest, data, 10), "All data copied\n");
ok(!memcmp(dest, data, 5), "First five bytes are different\n");
errno = 0xdeadbeef;
ret = memcpy_s(data, 10, data, 10);
ok(ret == 0, "ret = %x\n", ret);
ok(errno == 0xdeadbeef, "errno = %x\n", errno);
ok(!memcmp(dest, data, 5), "data was destroyed during overwritting\n");
errno = 0xdeadbeef;
dest[0] = 'x';
ret = memcpy_s(dest, 5, data, 10);
ok(ret == ERANGE, "ret = %x\n", ret);
ok(errno == ERANGE, "errno = %x\n", errno);
ok(dest[0] == '\0', "dest[0] != \'\\0\'\n");
}
START_TEST(misc)
{
init();
test_rand_s();
test_memcpy_s();
}