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 /* lstrcmpW is not supported on Win9x! */
 115 static int mylstrcmpW(const WCHAR* str1, const WCHAR* str2)
 116 {
 117     while (*str1 && *str1==*str2) {
 118         str1++;
 119         str2++;
 120     }
 121     return *str1-*str2;
 122 }
 123
 124 static void test_negative_source_length(void)
 125 {
 126     int len;
 127     char buf[10];
 128     WCHAR bufW[10];
 129
 130     /* Test, whether any negative source length works as strlen() + 1 */
 131     SetLastError( 0xdeadbeef );
 132     memset(buf,'x',sizeof(buf));
 133     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
 134     ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
 135        "WideCharToMultiByte(-2002): len=%d error=%u\n", len, GetLastError());
 136
 137     SetLastError( 0xdeadbeef );
 138     memset(bufW,'x',sizeof(bufW));
 139     len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
 140     ok(len == 7 && !mylstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
 141        "MultiByteToWideChar(-2002): len=%d error=%u\n", len, GetLastError());
 142
 143     SetLastError(0xdeadbeef);
 144     memset(bufW, 'x', sizeof(bufW));
 145     len = MultiByteToWideChar(CP_ACP, 0, "foobar", -1, bufW, 6);
 146     ok(len == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 147        "MultiByteToWideChar(-1): len=%d error=%u\n", len, GetLastError());
 148 }
 149
 150 #define LONGBUFLEN 100000
 151 static void test_negative_dest_length(void)
 152 {
 153     int len, i;
 154     static char buf[LONGBUFLEN];
 155     static WCHAR originalW[LONGBUFLEN];
 156     static char originalA[LONGBUFLEN];
 157     DWORD theError;
 158
 159     /* Test return on -1 dest length */
 160     SetLastError( 0xdeadbeef );
 161     memset(buf,'x',sizeof(buf));
 162     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1, NULL, NULL);
 163     todo_wine {
 164       ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
 165          "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
 166     }
 167
 168     /* Test return on -1000 dest length */
 169     SetLastError( 0xdeadbeef );
 170     memset(buf,'x',sizeof(buf));
 171     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1000, NULL, NULL);
 172     todo_wine {
 173       ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
 174          "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
 175     }
 176
 177     /* Test return on INT_MAX dest length */
 178     SetLastError( 0xdeadbeef );
 179     memset(buf,'x',sizeof(buf));
 180     len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, INT_MAX, NULL, NULL);
 181     ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
 182        "WideCharToMultiByte(destlen INT_MAX): len=%d error=%x\n", len, GetLastError());
 183
 184     /* Test return on INT_MAX dest length and very long input */
 185     SetLastError( 0xdeadbeef );
 186     memset(buf,'x',sizeof(buf));
 187     for (i=0; i < LONGBUFLEN - 1; i++) {
 188         originalW[i] = 'Q';
 189         originalA[i] = 'Q';
 190     }
 191     originalW[LONGBUFLEN-1] = 0;
 192     originalA[LONGBUFLEN-1] = 0;
 193     len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, buf, INT_MAX, NULL, NULL);
 194     theError = GetLastError();
 195     ok(len == LONGBUFLEN && !lstrcmpA(buf, originalA) && theError == 0xdeadbeef,
 196        "WideCharToMultiByte(srclen %d, destlen INT_MAX): len %d error=%x\n", LONGBUFLEN, len, theError);
 197
 198 }
 199
 200 static void test_overlapped_buffers(void)
 201 {
 202     static const WCHAR strW[] = {'j','u','s','t',' ','a',' ','t','e','s','t',0};
 203     static const char strA[] = "just a test";
 204     char buf[256];
 205     int ret;
 206
 207     SetLastError(0xdeadbeef);
 208     memcpy((WCHAR *)(buf + 1), strW, sizeof(strW));
 209     ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
 210     ok(ret == sizeof(strA), "unexpected ret %d\n", ret);
 211     ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
 212     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 213 }
 214
 215 static void test_string_conversion(LPBOOL bUsedDefaultChar)
 216 {
 217     char mbc;
 218     char mbs[5];
 219     int ret;
 220     WCHAR wc1 = 228;                           /* Western Windows-1252 character */
 221     WCHAR wc2 = 1088;                          /* Russian Windows-1251 character not displayable for Windows-1252 */
 222     WCHAR wcs[5] = {'T', 'h', 1088, 'i', 0};   /* String with ASCII characters and a Russian character */
 223     WCHAR dbwcs[3] = {28953, 25152, 0};        /* String with Chinese (codepage 950) characters */
 224
 225     SetLastError(0xdeadbeef);
 226     ret = WideCharToMultiByte(1252, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
 227     ok(ret == 1, "ret is %d\n", ret);
 228     ok(mbc == -28, "mbc is %d\n", mbc);
 229     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 230     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 231
 232     SetLastError(0xdeadbeef);
 233     ret = WideCharToMultiByte(1252, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
 234     ok(ret == 1, "ret is %d\n", ret);
 235     ok(mbc == 63, "mbc is %d\n", mbc);
 236     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 237     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 238
 239     SetLastError(0xdeadbeef);
 240     ret = WideCharToMultiByte(1251, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
 241     ok(ret == 1, "ret is %d\n", ret);
 242     ok(mbc == -16, "mbc is %d\n", mbc);
 243     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 244     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 245
 246     SetLastError(0xdeadbeef);
 247     ret = WideCharToMultiByte(1251, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
 248     ok(ret == 1, "ret is %d\n", ret);
 249     ok(mbc == 97, "mbc is %d\n", mbc);
 250     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 251     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 252
 253     /* This call triggers the last Win32 error */
 254     SetLastError(0xdeadbeef);
 255     ret = WideCharToMultiByte(1252, 0, wcs, -1, &mbc, 1, NULL, bUsedDefaultChar);
 256     ok(ret == 0, "ret is %d\n", ret);
 257     ok(mbc == 84, "mbc is %d\n", mbc);
 258     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 259     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
 260
 261     SetLastError(0xdeadbeef);
 262     ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 263     ok(ret == 5, "ret is %d\n", ret);
 264     ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
 265     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 266     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 267     mbs[0] = 0;
 268
 269     /* WideCharToMultiByte mustn't add any null character automatically.
 270        So in this case, we should get the same string again, even if we only copied the first three bytes. */
 271     SetLastError(0xdeadbeef);
 272     ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 273     ok(ret == 3, "ret is %d\n", ret);
 274     ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
 275     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 276     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 277     ZeroMemory(mbs, 5);
 278
 279     /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */
 280     SetLastError(0xdeadbeef);
 281     ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 282     ok(ret == 3, "ret is %d\n", ret);
 283     ok(!strcmp(mbs, "Th?"), "mbs is %s\n", mbs);
 284     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 285     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 286
 287     /* Double-byte tests */
 288     ret = WideCharToMultiByte(1252, 0, dbwcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 289     ok(ret == 3, "ret is %d\n", ret);
 290     ok(!strcmp(mbs, "??"), "mbs is %s\n", mbs);
 291     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 292
 293     /* Length-only tests */
 294     SetLastError(0xdeadbeef);
 295     ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar);
 296     ok(ret == 1, "ret is %d\n", ret);
 297     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 298     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 299
 300     SetLastError(0xdeadbeef);
 301     ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar);
 302     ok(ret == 5, "ret is %d\n", ret);
 303     if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 304     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 305
 306     if (!IsValidCodePage(950))
 307     {
 308         skip("Codepage 950 not available\n");
 309         return;
 310     }
 311
 312     /* Double-byte tests */
 313     SetLastError(0xdeadbeef);
 314     ret = WideCharToMultiByte(950, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 315     ok(ret == 5, "ret is %d\n", ret);
 316     ok(!strcmp(mbs, "µH©Ò"), "mbs is %s\n", mbs);
 317     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 318     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 319
 320     SetLastError(0xdeadbeef);
 321     ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar);
 322     ok(ret == 0, "ret is %d\n", ret);
 323     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 324     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
 325     ZeroMemory(mbs, 5);
 326
 327     SetLastError(0xdeadbeef);
 328     ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
 329     ok(ret == 2, "ret is %d\n", ret);
 330     ok(!strcmp(mbs, "µH"), "mbs is %s\n", mbs);
 331     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 332     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 333
 334     /* Length-only tests */
 335     SetLastError(0xdeadbeef);
 336     ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar);
 337     ok(ret == 2, "ret is %d\n", ret);
 338     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 339     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 340
 341     SetLastError(0xdeadbeef);
 342     ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar);
 343     ok(ret == 5, "ret is %d\n", ret);
 344     if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
 345     ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
 346 }
 347
 348 START_TEST(codepage)
 349 {
 350     BOOL bUsedDefaultChar;
 351
 352     test_destination_buffer();
 353     test_null_source();
 354     test_negative_source_length();
 355     test_negative_dest_length();
 356     test_overlapped_buffers();
 357
 358     /* WideCharToMultiByte has two code paths, test both here */
 359     test_string_conversion(NULL);
 360     test_string_conversion(&bUsedDefaultChar);
 361 }