dlls/kernel32/tests/codepage.c

   1 /*
   2  * Unit tests for code page to/from unicode translations
   3  *
   4  * Copyright (c) 2002 Dmitry Timoshkov
   5  * Copyright (c) 2008 Colin Finck
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <limits.h>
  24
  25 #include "wine/test.h"
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29
  30 static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  31
  32 static void test_destination_buffer(void)
  33 {
  34     LPSTR   buffer;
  35     INT     maxsize;
  36     INT     needed;
  37     INT     len;
  38
  39     SetLastError(0xdeadbeef);
  40     needed = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, 0, NULL, NULL);
  41     ok( (needed > 0), "returned %d with %u (expected '> 0')\n",
  42         needed, GetLastError());
  43
  44     maxsize = needed*2;
  45     buffer = HeapAlloc(GetProcessHeap(), 0, maxsize);
  46     if (buffer == NULL) return;
  47
  48     maxsize--;
  49     memset(buffer, 'x', maxsize);
  50     buffer[maxsize] = '\0';
  51     SetLastError(0xdeadbeef);
  52     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed+1, NULL, NULL);
  53     ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
  54         len, GetLastError(), buffer);
  55
  56     memset(buffer, 'x', maxsize);
  57     buffer[maxsize] = '\0';
  58     SetLastError(0xdeadbeef);
  59     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed, NULL, NULL);
  60     ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
  61         len, GetLastError(), buffer);
  62
  63     memset(buffer, 'x', maxsize);
  64     buffer[maxsize] = '\0';
  65     SetLastError(0xdeadbeef);
  66     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed-1, NULL, NULL);
  67     ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
  68         "returned %d with %u and '%s' (expected '0' with "
  69         "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
  70
  71     memset(buffer, 'x', maxsize);
  72     buffer[maxsize] = '\0';
  73     SetLastError(0xdeadbeef);
  74     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 1, NULL, NULL);
  75     ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
  76         "returned %d with %u and '%s' (expected '0' with "
  77         "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
  78
  79     SetLastError(0xdeadbeef);
  80     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 0, NULL, NULL);
  81     ok( (len > 0), "returned %d with %u (expected '> 0')\n",
  82         len, GetLastError());
  83
  84     SetLastError(0xdeadbeef);
  85     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, needed, NULL, NULL);
  86     ok( !len && (GetLastError() == ERROR_INVALID_PARAMETER),
  87         "returned %d with %u (expected '0' with "
  88         "ERROR_INVALID_PARAMETER)\n", len, GetLastError());
  89
  90     HeapFree(GetProcessHeap(), 0, buffer);
  91 }
  92
  93
  94 static void test_null_source(void)
  95 {
  96     int len;
  97     DWORD GLE;
  98
  99     SetLastError(0);
 100     len = WideCharToMultiByte(CP_ACP, 0, NULL, 0, NULL, 0, NULL, NULL);
 101     GLE = GetLastError();
 102     ok(!len && GLE == ERROR_INVALID_PARAMETER,
 103         "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
 104         len, GLE);
 105
 106     SetLastError(0);
 107     len = WideCharToMultiByte(CP_ACP, 0, NULL, -1, NULL, 0, NULL, NULL);
 108     GLE = GetLastError();
 109     ok(!len && GLE == ERROR_INVALID_PARAMETER,
 110         "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
 111         len, GLE);
 112 }
 113
 114 static void test_negative_source_length(void)
 115 {
 116     int len;
 117     char buf[10];
 118     WCHAR bufW[10];
 119
 120     /* Test, whether any negative source length works as strlen() + 1 */
 121     SetLastError( 0xdeadbeef );
 122     memset(buf,'x',sizeof(buf));
 123     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
 124     ok(len == 7 && GetLastError() == 0xdeadbeef,
 125        "WideCharToMultiByte(-2002): len=%d error=%u\n", len, GetLastError());
 126     ok(!lstrcmpA(buf, "foobar"),
 127        "WideCharToMultiByte(-2002): expected \"foobar\" got \"%s\"\n", buf);
 128
 129     SetLastError( 0xdeadbeef );
 130     memset(bufW,'x',sizeof(bufW));
 131     len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
 132     ok(len == 7 && !lstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
 133        "MultiByteToWideChar(-2002): len=%d error=%u\n", len, GetLastError());
 134
 135     SetLastError(0xdeadbeef);
 136     memset(bufW, 'x', sizeof(bufW));
 137     len = MultiByteToWideChar(CP_ACP, 0, "foobar", -1, bufW, 6);
 138     ok(len == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 139        "MultiByteToWideChar(-1): len=%d error=%u\n", len, GetLastError());
 140 }
 141
 142 #define LONGBUFLEN 100000
 143 static void test_negative_dest_length(void)
 144 {
 145     int len, i;
 146     static char buf[LONGBUFLEN];
 147     static WCHAR originalW[LONGBUFLEN];
 148     static char originalA[LONGBUFLEN];
 149     DWORD theError;
 150
 151     /* Test return on -1 dest length */
 152     SetLastError( 0xdeadbeef );
 153     memset(buf,'x',sizeof(buf));
 154     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1, NULL, NULL);
 155     todo_wine {
 156       ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
 157          "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
 158     }
 159
 160     /* Test return on -1000 dest length */
 161     SetLastError( 0xdeadbeef );
 162     memset(buf,'x',sizeof(buf));
 163     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1000, NULL, NULL);
 164     todo_wine {
 165       ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
 166          "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
 167     }
 168
 169     /* Test return on INT_MAX dest length */
 170     SetLastError( 0xdeadbeef );
 171     memset(buf,'x',sizeof(buf));
 172     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, INT_MAX, NULL, NULL);
 173     ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
 174        "WideCharToMultiByte(destlen INT_MAX): len=%d error=%x\n", len, GetLastError());
 175
 176     /* Test return on INT_MAX dest length and very long input */
 177     SetLastError( 0xdeadbeef );
 178     memset(buf,'x',sizeof(buf));
 179     for (i=0; i < LONGBUFLEN - 1; i++) {
 180         originalW[i] = 'Q';
 181         originalA[i] = 'Q';
 182     }
 183     originalW[LONGBUFLEN-1] = 0;
 184     originalA[LONGBUFLEN-1] = 0;
 185     len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, buf, INT_MAX, NULL, NULL);
 186     theError = GetLastError();
 187     ok(len == LONGBUFLEN && !lstrcmpA(buf, originalA) && theError == 0xdeadbeef,
 188        "WideCharToMultiByte(srclen %d, destlen INT_MAX): len %d error=%x\n", LONGBUFLEN, len, theError);
 189
 190 }
 191
 192 static void test_other_invalid_parameters(void)
 193 {
 194     char c_string[] = "Hello World";
 195     size_t c_string_len = sizeof(c_string);
 196     WCHAR w_string[] = {'H','e','l','l','o',' ','W','o','r','l','d',0};
 197     size_t w_string_len = sizeof(w_string) / sizeof(WCHAR);
 198     BOOL used;
 199     INT len;
 200
 201     /* srclen=0 => ERROR_INVALID_PARAMETER */
 202     SetLastError(0xdeadbeef);
 203     len = WideCharToMultiByte(CP_ACP, 0, w_string, 0, c_string, c_string_len, NULL, NULL);
 204     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 205
 206     SetLastError(0xdeadbeef);
 207     len = MultiByteToWideChar(CP_ACP, 0, c_string, 0, w_string, w_string_len);
 208     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 209
 210
 211     /* dst=NULL but dstlen not 0 => ERROR_INVALID_PARAMETER */
 212     SetLastError(0xdeadbeef);
 213     len = WideCharToMultiByte(CP_ACP, 0, w_string, w_string_len, NULL, c_string_len, NULL, NULL);
 214     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 215
 216     SetLastError(0xdeadbeef);
 217     len = MultiByteToWideChar(CP_ACP, 0, c_string, c_string_len, NULL, w_string_len);
 218     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 219
 220
 221     /* CP_UTF7, CP_UTF8, or CP_SYMBOL and defchar not NULL => ERROR_INVALID_PARAMETER */
 222     /* CP_SYMBOL's behavior here is undocumented */
 223     SetLastError(0xdeadbeef);
 224     len = WideCharToMultiByte(CP_UTF7, 0, w_string, w_string_len, c_string, c_string_len, c_string, NULL);
 225     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 226
 227     SetLastError(0xdeadbeef);
 228     len = WideCharToMultiByte(CP_UTF8, 0, w_string, w_string_len, c_string, c_string_len, c_string, NULL);
 229     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 230
 231     SetLastError(0xdeadbeef);
 232     len = WideCharToMultiByte(CP_SYMBOL, 0, w_string, w_string_len, c_string, c_string_len, c_string, NULL);
 233     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 234
 235
 236     /* CP_UTF7, CP_UTF8, or CP_SYMBOL and used not NULL => ERROR_INVALID_PARAMETER */
 237     /* CP_SYMBOL's behavior here is undocumented */
 238     SetLastError(0xdeadbeef);
 239     len = WideCharToMultiByte(CP_UTF7, 0, w_string, w_string_len, c_string, c_string_len, NULL, &used);
 240     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 241
 242     SetLastError(0xdeadbeef);
 243     len = WideCharToMultiByte(CP_UTF8, 0, w_string, w_string_len, c_string, c_string_len, NULL, &used);
 244     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 245
 246     SetLastError(0xdeadbeef);
 247     len = WideCharToMultiByte(CP_SYMBOL, 0, w_string, w_string_len, c_string, c_string_len, NULL, &used);
 248     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 249
 250
 251     /* CP_UTF7, flags not 0 and used not NULL => ERROR_INVALID_PARAMETER */
 252     /* (tests precedence of ERROR_INVALID_PARAMETER over ERROR_INVALID_FLAGS) */
 253     /* The same test with CP_SYMBOL instead of CP_UTF7 gives ERROR_INVALID_FLAGS
 254        instead except on Windows NT4 */
 255     SetLastError(0xdeadbeef);
 256     len = WideCharToMultiByte(CP_UTF7, 1, w_string, w_string_len, c_string, c_string_len, NULL, &used);
 257     ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
 258 }
 259
 260 static void test_overlapped_buffers(void)
 261 {
 262     static const WCHAR strW[] = {'j','u','s','t',' ','a',' ','t','e','s','t',0};
 263     static const char strA[] = "just a test";
 264     char buf[256];
 265     int ret;
 266
 267     SetLastError(0xdeadbeef);
 268     memcpy(buf + 1, strW, sizeof(strW));
 269     ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
 270     ok(ret == sizeof(strA), "unexpected ret %d\n", ret);
 271     ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
 272     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 273 }
 274
 275 static void test_string_conversion(LPBOOL bUsedDefaultChar)
 276 {
 277     char mbc;
 278     char mbs[5];
 279     int ret;
 280     WCHAR wc1 = 228;                           /* Western Windows-1252 character */
 281     WCHAR wc2 = 1088;                          /* Russian Windows-1251 character not displayable for Windows-1252 */
 282     static const WCHAR wcs[] = {'T', 'h', 1088, 'i', 0}; /* String with ASCII characters and a Russian character */
 283     static const WCHAR dbwcs[] = {28953, 25152, 0}; /* String with Chinese (codepage 950) characters */
 284
 285     SetLastError(0xdeadbeef);
 286     ret = WideCharToMultiByte(1252, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
 287     ok(ret == 1, "ret is %d\n", ret);
 288     ok(mbc == '\xe4', "mbc is %d\n", mbc);
 289     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 290     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 291
 292     SetLastError(0xdeadbeef);
 293     ret = WideCharToMultiByte(1252, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
 294     ok(ret == 1, "ret is %d\n", ret);
 295     ok(mbc == 63, "mbc is %d\n", mbc);
 296     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 297     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 298
 299     if (IsValidCodePage(1251))
 300     {
 301         SetLastError(0xdeadbeef);
 302         ret = WideCharToMultiByte(1251, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
 303         ok(ret == 1, "ret is %d\n", ret);
 304         ok(mbc == '\xf0', "mbc is %d\n", mbc);
 305         if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 306         ok(GetLastError() == 0xdeadbeef ||
 307            broken(GetLastError() == 0), /* win95 */
 308            "GetLastError() is %u\n", GetLastError());
 309
 310         SetLastError(0xdeadbeef);
 311         ret = WideCharToMultiByte(1251, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
 312         ok(ret == 1, "ret is %d\n", ret);
 313         ok(mbc == 97, "mbc is %d\n", mbc);
 314         if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 315         ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 316     }
 317     else
 318         skip("Codepage 1251 not available\n");
 319
 320     /* This call triggers the last Win32 error */
 321     SetLastError(0xdeadbeef);
 322     ret = WideCharToMultiByte(1252, 0, wcs, -1, &mbc, 1, NULL, bUsedDefaultChar);
 323     ok(ret == 0, "ret is %d\n", ret);
 324     ok(mbc == 84, "mbc is %d\n", mbc);
 325     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 326     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
 327
 328     SetLastError(0xdeadbeef);
 329     ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 330     ok(ret == 5, "ret is %d\n", ret);
 331     ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
 332     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 333     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 334     mbs[0] = 0;
 335
 336     /* WideCharToMultiByte mustn't add any null character automatically.
 337        So in this case, we should get the same string again, even if we only copied the first three bytes. */
 338     SetLastError(0xdeadbeef);
 339     ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 340     ok(ret == 3, "ret is %d\n", ret);
 341     ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
 342     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 343     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 344     ZeroMemory(mbs, 5);
 345
 346     /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */
 347     SetLastError(0xdeadbeef);
 348     ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 349     ok(ret == 3, "ret is %d\n", ret);
 350     ok(!strcmp(mbs, "Th?"), "mbs is %s\n", mbs);
 351     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 352     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 353
 354     /* Double-byte tests */
 355     ret = WideCharToMultiByte(1252, 0, dbwcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 356     ok(ret == 3, "ret is %d\n", ret);
 357     ok(!strcmp(mbs, "??"), "mbs is %s\n", mbs);
 358     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 359
 360     /* Length-only tests */
 361     SetLastError(0xdeadbeef);
 362     ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar);
 363     ok(ret == 1, "ret is %d\n", ret);
 364     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 365     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 366
 367     SetLastError(0xdeadbeef);
 368     ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar);
 369     ok(ret == 5, "ret is %d\n", ret);
 370     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 371     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 372
 373     if (!IsValidCodePage(950))
 374     {
 375         skip("Codepage 950 not available\n");
 376         return;
 377     }
 378
 379     /* Double-byte tests */
 380     SetLastError(0xdeadbeef);
 381     ret = WideCharToMultiByte(950, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 382     ok(ret == 5, "ret is %d\n", ret);
 383     ok(!strcmp(mbs, "\xb5H\xa9\xd2"), "mbs is %s\n", mbs);
 384     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 385     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 386
 387     SetLastError(0xdeadbeef);
 388     ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar);
 389     ok(ret == 0, "ret is %d\n", ret);
 390     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 391     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
 392     ZeroMemory(mbs, 5);
 393
 394     SetLastError(0xdeadbeef);
 395     ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 396     ok(ret == 2, "ret is %d\n", ret);
 397     ok(!strcmp(mbs, "\xb5H"), "mbs is %s\n", mbs);
 398     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 399     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 400
 401     /* Length-only tests */
 402     SetLastError(0xdeadbeef);
 403     ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar);
 404     ok(ret == 2, "ret is %d\n", ret);
 405     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 406     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 407
 408     SetLastError(0xdeadbeef);
 409     ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar);
 410     ok(ret == 5, "ret is %d\n", ret);
 411     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 412     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 413 }
 414
 415 static void test_undefined_byte_char(void)
 416 {
 417     static const struct tag_testset {
 418         INT codepage;
 419         LPCSTR str;
 420         BOOL is_error;
 421     } testset[] = {
 422         {  874, "\xdd", TRUE },
 423         {  932, "\xfe", TRUE },
 424         {  932, "\x80", FALSE },
 425         {  936, "\xff", TRUE },
 426         {  949, "\xff", TRUE },
 427         {  950, "\xff", TRUE },
 428         { 1252, "\x90", FALSE },
 429         { 1253, "\xaa", TRUE },
 430         { 1255, "\xff", TRUE },
 431         { 1257, "\xa5", TRUE },
 432     };
 433     INT i, ret;
 434
 435     for (i = 0; i < (sizeof(testset) / sizeof(testset[0])); i++) {
 436         if (! IsValidCodePage(testset[i].codepage))
 437         {
 438             skip("Codepage %d not available\n", testset[i].codepage);
 439             continue;
 440         }
 441
 442         SetLastError(0xdeadbeef);
 443         ret = MultiByteToWideChar(testset[i].codepage, MB_ERR_INVALID_CHARS,
 444                                   testset[i].str, -1, NULL, 0);
 445         if (testset[i].is_error) {
 446             ok(ret == 0 && GetLastError() == ERROR_NO_UNICODE_TRANSLATION,
 447                "ret is %d, GetLastError is %u (cp %d)\n",
 448                ret, GetLastError(), testset[i].codepage);
 449         }
 450         else {
 451             ok(ret == strlen(testset[i].str)+1 && GetLastError() == 0xdeadbeef,
 452                "ret is %d, GetLastError is %u (cp %d)\n",
 453                ret, GetLastError(), testset[i].codepage);
 454         }
 455
 456         SetLastError(0xdeadbeef);
 457         ret = MultiByteToWideChar(testset[i].codepage, 0,
 458                                   testset[i].str, -1, NULL, 0);
 459         ok(ret == strlen(testset[i].str)+1 && GetLastError() == 0xdeadbeef,
 460            "ret is %d, GetLastError is %u (cp %d)\n",
 461            ret, GetLastError(), testset[i].codepage);
 462     }
 463 }
 464
 465 START_TEST(codepage)
 466 {
 467     BOOL bUsedDefaultChar;
 468
 469     test_destination_buffer();
 470     test_null_source();
 471     test_negative_source_length();
 472     test_negative_dest_length();
 473     test_other_invalid_parameters();
 474     test_overlapped_buffers();
 475
 476     /* WideCharToMultiByte has two code paths, test both here */
 477     test_string_conversion(NULL);
 478     test_string_conversion(&bUsedDefaultChar);
 479
 480     test_undefined_byte_char();
 481 }