reactos/rostests/winetests/kernel32/codepage.c

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/*
* Unit tests for code page to/from unicode translations
*
* Copyright (c) 2002 Dmitry Timoshkov
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include "wine/test.h"
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
static void test_null_source(void)
{
int len;
DWORD GLE;
SetLastError(0);
len = WideCharToMultiByte(CP_ACP, 0, NULL, 0, NULL, 0, NULL, NULL);
GLE = GetLastError();
ok(!len && GLE == ERROR_INVALID_PARAMETER,
"WideCharToMultiByte returned %d with GLE=%ld (expected 0 with ERROR_INVALID_PARAMETER)\n",
len, GLE);
}
/* lstrcmpW is not supported on Win9x! */
static int mylstrcmpW(const WCHAR* str1, const WCHAR* str2)
{
while (*str1 && *str1==*str2) {
str1++;
str2++;
}
return *str1-*str2;
}
static void test_negative_source_length(void)
{
int len;
char buf[10];
WCHAR bufW[10];
static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
/* Test, whether any negative source length works as strlen() + 1 */
SetLastError( 0xdeadbeef );
memset(buf,'x',sizeof(buf));
len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
"WideCharToMultiByte(-2002): len=%d error=%ld\n",len,GetLastError());
SetLastError( 0xdeadbeef );
memset(bufW,'x',sizeof(bufW));
len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
ok(len == 7 && !mylstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
"MultiByteToWideChar(-2002): len=%d error=%ld\n",len,GetLastError());
}
static void test_overlapped_buffers(void)
{
static const WCHAR strW[] = {'j','u','s','t',' ','a',' ','t','e','s','t',0};
static const char strA[] = "just a test";
char buf[256];
int ret;
lstrcpyW((WCHAR *)(buf + 1), strW);
ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
ok(ret == sizeof(strA), "unexpected ret %d != %d\n", ret, sizeof(strA));
ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
}
START_TEST(codepage)
{
test_null_source();
test_negative_source_length();
test_overlapped_buffers();
}