dlls/kernel/tests/codepage.c

   1 /*
   2  * Unit tests for code page to/from unicode translations
   3  *
   4  * Copyright (c) 2002 Dmitry Timoshkov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include "winnls.h"
  24
  25 static void test_negative_source_length(void)
  26 {
  27     int len;
  28     char buf[10];
  29     WCHAR bufW[10];
  30     static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  31
  32     /* Test, whether any negative source length works as strlen() + 1 */
  33     SetLastError( 0xdeadbeef );
  34     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
  35     ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
  36        "any negative value should work as strlen() + 1");
  37
  38     SetLastError( 0xdeadbeef );
  39     len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
  40     ok(len == 7 && !lstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
  41        "any negative value should work as strlen() + 1");
  42 }
  43
  44 START_TEST(codepage)
  45 {
  46     test_negative_source_length();
  47 }