dlls/kernel32/tests/volume.c

   1 /*
   2  * Unit test suite for volume functions
   3  *
   4  * Copyright 2006 Stefan Leichter
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include <stdio.h>
  24
  25 static HINSTANCE hdll;
  26 static BOOL (WINAPI * pGetVolumeNameForVolumeMountPointA)(LPCSTR, LPSTR, DWORD);
  27 static BOOL (WINAPI * pGetVolumeNameForVolumeMountPointW)(LPCWSTR, LPWSTR, DWORD);
  28 static HANDLE (WINAPI *pFindFirstVolumeA)(LPSTR,DWORD);
  29 static BOOL (WINAPI *pFindNextVolumeA)(HANDLE,LPSTR,DWORD);
  30 static BOOL (WINAPI *pFindVolumeClose)(HANDLE);
  31 static UINT (WINAPI *pGetLogicalDriveStringsA)(UINT,LPSTR);
  32 static UINT (WINAPI *pGetLogicalDriveStringsW)(UINT,LPWSTR);
  33 static BOOL (WINAPI *pGetVolumeInformationA)(LPCSTR, LPSTR, DWORD, LPDWORD, LPDWORD, LPDWORD, LPSTR, DWORD);
  34
  35 /* ############################### */
  36
  37 static void test_query_dos_deviceA(void)
  38 {
  39     char drivestr[] = "a:";
  40     char *p, *buffer, buffer2[2000];
  41     DWORD ret, ret2, buflen=32768;
  42     BOOL iswin9x, found = FALSE;
  43
  44     buffer = HeapAlloc( GetProcessHeap(), 0, buflen );
  45     SetLastError(0xdeadbeef);
  46     ret = QueryDosDeviceA( NULL, buffer, buflen );
  47     iswin9x = !ret && (GetLastError() == ERROR_INVALID_PARAMETER /* win98 */
  48                     || GetLastError() == ERROR_CALL_NOT_IMPLEMENTED /* win95*/);
  49     ok((ret && GetLastError() != ERROR_INSUFFICIENT_BUFFER) || broken(iswin9x),
  50         "QueryDosDeviceA failed to return list, last error %u\n", GetLastError());
  51
  52     if (ret && GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
  53         p = buffer;
  54         for (;;) {
  55             if (!strlen(p)) break;
  56             ret2 = QueryDosDeviceA( p, buffer2, sizeof(buffer2) );
  57             ok(ret2, "QueryDosDeviceA failed to return current mapping for %s, last error %u\n", p, GetLastError());
  58             p += strlen(p) + 1;
  59             if (ret <= (p-buffer)) break;
  60         }
  61     }
  62
  63     for (;drivestr[0] <= 'z'; drivestr[0]++) {
  64         /* Older W2K fails with ERROR_INSUFFICIENT_BUFFER when buflen is > 32767 */
  65         ret = QueryDosDeviceA( drivestr, buffer, buflen - 1);
  66         /* fails for all drives in win9x */
  67         ok(ret || GetLastError() == ERROR_FILE_NOT_FOUND || broken(!ret && iswin9x),
  68             "QueryDosDeviceA failed to return current mapping for %s, last error %u\n", drivestr, GetLastError());
  69         if(ret) {
  70             for (p = buffer; *p; p++) *p = toupper(*p);
  71             if (strstr(buffer, "HARDDISK") || strstr(buffer, "RAMDISK")) found = TRUE;
  72         }
  73     }
  74     ok(found ^ iswin9x, "expected at least one devicename to contain HARDDISK or RAMDISK except on win9x\n");
  75     HeapFree( GetProcessHeap(), 0, buffer );
  76 }
  77
  78 static void test_FindFirstVolume(void)
  79 {
  80     char volume[51];
  81     HANDLE handle;
  82
  83     /* not present before w2k */
  84     if (!pFindFirstVolumeA) {
  85         win_skip("FindFirstVolumeA not found\n");
  86         return;
  87     }
  88
  89     handle = pFindFirstVolumeA( volume, 0 );
  90     ok( handle == INVALID_HANDLE_VALUE, "succeeded with short buffer\n" );
  91     ok( GetLastError() == ERROR_MORE_DATA ||  /* XP */
  92         GetLastError() == ERROR_FILENAME_EXCED_RANGE,  /* Vista */
  93         "wrong error %u\n", GetLastError() );
  94     handle = pFindFirstVolumeA( volume, 49 );
  95     ok( handle == INVALID_HANDLE_VALUE, "succeeded with short buffer\n" );
  96     ok( GetLastError() == ERROR_FILENAME_EXCED_RANGE, "wrong error %u\n", GetLastError() );
  97     handle = pFindFirstVolumeA( volume, 51 );
  98     ok( handle != INVALID_HANDLE_VALUE, "failed err %u\n", GetLastError() );
  99     if (handle != INVALID_HANDLE_VALUE)
 100     {
 101         do
 102         {
 103             ok( strlen(volume) == 49, "bad volume name %s\n", volume );
 104             ok( !memcmp( volume, "\\\\?\\Volume{", 11 ), "bad volume name %s\n", volume );
 105             ok( !memcmp( volume + 47, "}\\", 2 ), "bad volume name %s\n", volume );
 106         } while (pFindNextVolumeA( handle, volume, MAX_PATH ));
 107         ok( GetLastError() == ERROR_NO_MORE_FILES, "wrong error %u\n", GetLastError() );
 108         pFindVolumeClose( handle );
 109     }
 110 }
 111
 112 static void test_GetVolumeNameForVolumeMountPointA(void)
 113 {
 114     BOOL ret;
 115     char volume[MAX_PATH], path[] = "c:\\";
 116     DWORD len = sizeof(volume), reti;
 117     char temp_path[MAX_PATH];
 118
 119     /* not present before w2k */
 120     if (!pGetVolumeNameForVolumeMountPointA) {
 121         win_skip("GetVolumeNameForVolumeMountPointA not found\n");
 122         return;
 123     }
 124
 125     reti = GetTempPathA(MAX_PATH, temp_path);
 126     ok(reti != 0, "GetTempPathA error %d\n", GetLastError());
 127     ok(reti < MAX_PATH, "temp path should fit into MAX_PATH\n");
 128
 129     ret = pGetVolumeNameForVolumeMountPointA(path, volume, 0);
 130     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointA succeeded\n");
 131     ok(GetLastError() == ERROR_FILENAME_EXCED_RANGE ||
 132         GetLastError() == ERROR_INVALID_PARAMETER, /* Vista */
 133         "wrong error, last=%d\n", GetLastError());
 134
 135     if (0) { /* these crash on XP */
 136     ret = pGetVolumeNameForVolumeMountPointA(path, NULL, len);
 137     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointA succeeded\n");
 138
 139     ret = pGetVolumeNameForVolumeMountPointA(NULL, volume, len);
 140     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointA succeeded\n");
 141     }
 142
 143     ret = pGetVolumeNameForVolumeMountPointA(path, volume, len);
 144     ok(ret == TRUE, "GetVolumeNameForVolumeMountPointA failed\n");
 145     ok(!strncmp( volume, "\\\\?\\Volume{", 11),
 146         "GetVolumeNameForVolumeMountPointA failed to return valid string <%s>\n",
 147         volume);
 148
 149     /* test with too small buffer */
 150     ret = pGetVolumeNameForVolumeMountPointA(path, volume, 10);
 151     ok(ret == FALSE && GetLastError() == ERROR_FILENAME_EXCED_RANGE,
 152             "GetVolumeNameForVolumeMountPointA failed, wrong error returned, was %d, should be ERROR_FILENAME_EXCED_RANGE\n",
 153              GetLastError());
 154
 155     /* Try on a arbitrary directory */
 156     /* On FAT filesystems it seems that GetLastError() is set to
 157        ERROR_INVALID_FUNCTION. */
 158     ret = pGetVolumeNameForVolumeMountPointA(temp_path, volume, len);
 159     ok(ret == FALSE && (GetLastError() == ERROR_NOT_A_REPARSE_POINT ||
 160         GetLastError() == ERROR_INVALID_FUNCTION),
 161         "GetVolumeNameForVolumeMountPointA failed on %s, last=%d\n",
 162         temp_path, GetLastError());
 163
 164     /* Try on a nonexistent dos drive */
 165     path[2] = 0;
 166     for (;path[0] <= 'z'; path[0]++) {
 167         ret = QueryDosDeviceA( path, volume, len);
 168         if(!ret) break;
 169     }
 170     if (path[0] <= 'z')
 171     {
 172         path[2] = '\\';
 173         ret = pGetVolumeNameForVolumeMountPointA(path, volume, len);
 174         ok(ret == FALSE && GetLastError() == ERROR_FILE_NOT_FOUND,
 175             "GetVolumeNameForVolumeMountPointA failed on %s, last=%d\n",
 176             path, GetLastError());
 177
 178         /* Try without trailing \ and on a nonexistent dos drive  */
 179         path[2] = 0;
 180         ret = pGetVolumeNameForVolumeMountPointA(path, volume, len);
 181         ok(ret == FALSE && GetLastError() == ERROR_INVALID_NAME,
 182             "GetVolumeNameForVolumeMountPointA failed on %s, last=%d\n",
 183             path, GetLastError());
 184     }
 185 }
 186
 187 static void test_GetVolumeNameForVolumeMountPointW(void)
 188 {
 189     BOOL ret;
 190     WCHAR volume[MAX_PATH], path[] = {'c',':','\\',0};
 191     DWORD len = sizeof(volume) / sizeof(WCHAR);
 192
 193     /* not present before w2k */
 194     if (!pGetVolumeNameForVolumeMountPointW) {
 195         win_skip("GetVolumeNameForVolumeMountPointW not found\n");
 196         return;
 197     }
 198
 199     ret = pGetVolumeNameForVolumeMountPointW(path, volume, 0);
 200     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointA succeeded\n");
 201     ok(GetLastError() == ERROR_FILENAME_EXCED_RANGE ||
 202         GetLastError() == ERROR_INVALID_PARAMETER, /* Vista */
 203         "wrong error, last=%d\n", GetLastError());
 204
 205     if (0) { /* these crash on XP */
 206     ret = pGetVolumeNameForVolumeMountPointW(path, NULL, len);
 207     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointW succeeded\n");
 208
 209     ret = pGetVolumeNameForVolumeMountPointW(NULL, volume, len);
 210     ok(ret == FALSE, "GetVolumeNameForVolumeMountPointW succeeded\n");
 211     }
 212
 213     ret = pGetVolumeNameForVolumeMountPointW(path, volume, len);
 214     ok(ret == TRUE, "GetVolumeNameForVolumeMountPointW failed\n");
 215 }
 216
 217 static void test_GetLogicalDriveStringsA(void)
 218 {
 219     UINT size, size2;
 220     char *buf, *ptr;
 221
 222     ok( pGetLogicalDriveStringsA != NULL, "GetLogicalDriveStringsA not available\n");
 223     if(!pGetLogicalDriveStringsA) {
 224         return;
 225     }
 226
 227     size = pGetLogicalDriveStringsA(0, NULL);
 228     ok(size%4 == 1, "size = %d\n", size);
 229
 230     buf = HeapAlloc(GetProcessHeap(), 0, size);
 231
 232     *buf = 0;
 233     size2 = pGetLogicalDriveStringsA(2, buf);
 234     ok(size2 == size, "size2 = %d\n", size2);
 235     ok(!*buf, "buf changed\n");
 236
 237     size2 = pGetLogicalDriveStringsA(size, buf);
 238     ok(size2 == size-1, "size2 = %d\n", size2);
 239
 240     for(ptr = buf; ptr < buf+size2; ptr += 4) {
 241         ok(('A' <= *ptr && *ptr <= 'Z') ||
 242            (broken('a' <= *ptr && *ptr <= 'z')), /* Win9x and WinMe */
 243            "device name '%c' is not uppercase\n", *ptr);
 244         ok(ptr[1] == ':', "ptr[1] = %c, expected ':'\n", ptr[1]);
 245         ok(ptr[2] == '\\', "ptr[2] = %c expected '\\'\n", ptr[2]);
 246         ok(!ptr[3], "ptr[3] = %c expected nullbyte\n", ptr[3]);
 247     }
 248     ok(!*ptr, "buf[size2] is not nullbyte\n");
 249
 250     HeapFree(GetProcessHeap(), 0, buf);
 251 }
 252
 253 static void test_GetLogicalDriveStringsW(void)
 254 {
 255     UINT size, size2;
 256     WCHAR *buf, *ptr;
 257
 258     ok( pGetLogicalDriveStringsW != NULL, "GetLogicalDriveStringsW not available\n");
 259     if(!pGetLogicalDriveStringsW) {
 260         return;
 261     }
 262
 263     SetLastError(0xdeadbeef);
 264     size = pGetLogicalDriveStringsW(0, NULL);
 265     if (size == 0 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
 266         win_skip("GetLogicalDriveStringsW not implemented\n");
 267         return;
 268     }
 269     ok(size%4 == 1, "size = %d\n", size);
 270
 271     buf = HeapAlloc(GetProcessHeap(), 0, size*sizeof(WCHAR));
 272
 273     *buf = 0;
 274     size2 = pGetLogicalDriveStringsW(2, buf);
 275     ok(size2 == size, "size2 = %d\n", size2);
 276     ok(!*buf, "buf changed\n");
 277
 278     size2 = pGetLogicalDriveStringsW(size, buf);
 279     ok(size2 == size-1, "size2 = %d\n", size2);
 280
 281     for(ptr = buf; ptr < buf+size2; ptr += 4) {
 282         ok('A' <= *ptr && *ptr <= 'Z', "device name '%c' is not uppercase\n", *ptr);
 283         ok(ptr[1] == ':', "ptr[1] = %c, expected ':'\n", ptr[1]);
 284         ok(ptr[2] == '\\', "ptr[2] = %c expected '\\'\n", ptr[2]);
 285         ok(!ptr[3], "ptr[3] = %c expected nullbyte\n", ptr[3]);
 286     }
 287     ok(!*ptr, "buf[size2] is not nullbyte\n");
 288
 289     HeapFree(GetProcessHeap(), 0, buf);
 290 }
 291
 292 static void test_GetVolumeInformationA(void)
 293 {
 294     BOOL ret;
 295     UINT result;
 296     char Root_Colon[]="C:";
 297     char Root_Slash[]="C:\\";
 298     char Root_UNC[]="\\\\?\\C:\\";
 299     char volume[MAX_PATH+1];
 300     DWORD vol_name_size=MAX_PATH+1, vol_serial_num=-1, max_comp_len=0, fs_flags=0, fs_name_len=MAX_PATH+1;
 301     char vol_name_buf[MAX_PATH+1], fs_name_buf[MAX_PATH+1];
 302     char windowsdir[MAX_PATH+10];
 303     char currentdir[MAX_PATH+1];
 304
 305     ok( pGetVolumeInformationA != NULL, "GetVolumeInformationA not found\n");
 306     if(!pGetVolumeInformationA) {
 307         return;
 308     }
 309
 310     /* get windows drive letter and update strings for testing */
 311     result = GetWindowsDirectory(windowsdir, sizeof(windowsdir));
 312     ok(result < sizeof(windowsdir), "windowsdir is abnormally long!\n");
 313     ok(result != 0, "GetWindowsDirectory: error %d\n", GetLastError());
 314     Root_Colon[0] = windowsdir[0];
 315     Root_Slash[0] = windowsdir[0];
 316     Root_UNC[4] = windowsdir[0];
 317
 318     result = GetCurrentDirectory(MAX_PATH, currentdir);
 319     ok(result, "GetCurrentDirectory: error %d\n", GetLastError());
 320     /* Note that GetCurrentDir yields no trailing slash for subdirs */
 321
 322     /* check for NO error on no trailing \ when current dir is root dir */
 323     ret = SetCurrentDirectory(Root_Slash);
 324     ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 325     ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 326             NULL, NULL, fs_name_buf, fs_name_len);
 327     todo_wine
 328     ok(ret, "GetVolumeInformationA root failed, last error %u\n", GetLastError());
 329
 330     /* check for error on no trailing \ when current dir is subdir (windows) of queried drive */
 331     ret = SetCurrentDirectory(windowsdir);
 332     ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 333     SetLastError(0xdeadbeef);
 334     ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 335             NULL, NULL, fs_name_buf, fs_name_len);
 336     ok(!ret && (GetLastError() == ERROR_INVALID_NAME ||
 337          broken(GetLastError() == ERROR_BAD_PATHNAME/* win9x */)),
 338         "GetVolumeInformationA did%s fail, last error %u\n", ret ? " not":"", GetLastError());
 339
 340     /* reset current directory */
 341     ret = SetCurrentDirectory(currentdir);
 342     ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 343
 344     if (toupper(currentdir[0]) == toupper(windowsdir[0])) {
 345         skip("Please re-run from another device than %c:\n", windowsdir[0]);
 346         /* FIXME: Use GetLogicalDrives to find another device to avoid this skip. */
 347     } else {
 348         char Root_Env[]="=C:"; /* where MS maintains the per volume directory */
 349         Root_Env[1] = windowsdir[0];
 350
 351         /* C:\windows becomes the current directory on drive C: */
 352         /* Note that paths to subdirs are stored without trailing slash, like what GetCurrentDir yields. */
 353         ret = SetEnvironmentVariable(Root_Env, windowsdir);
 354         ok(ret, "SetEnvironmentVariable %s failed\n", Root_Env);
 355
 356         ret = SetCurrentDirectory(windowsdir);
 357         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 358         ret = SetCurrentDirectory(currentdir);
 359         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 360
 361         /* windows dir is current on the root drive, call fails */
 362         SetLastError(0xdeadbeef);
 363         ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 364                 NULL, NULL, fs_name_buf, fs_name_len);
 365         ok(!ret && (GetLastError() == ERROR_INVALID_NAME ||
 366              broken(GetLastError() == ERROR_BAD_PATHNAME/* Win9x */)),
 367            "GetVolumeInformationA did%s fail, last error %u\n", ret ? " not":"", GetLastError());
 368
 369         /* Try normal drive letter with trailing \ */
 370         ret = pGetVolumeInformationA(Root_Slash, vol_name_buf, vol_name_size, NULL,
 371                 NULL, NULL, fs_name_buf, fs_name_len);
 372         ok(ret, "GetVolumeInformationA with \\ failed, last error %u\n", GetLastError());
 373
 374         ret = SetCurrentDirectory(Root_Slash);
 375         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 376         ret = SetCurrentDirectory(currentdir);
 377         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 378
 379         /* windows dir is STILL CURRENT on root drive; the call fails as before,   */
 380         /* proving that SetCurrentDir did not remember the other drive's directory */
 381         SetLastError(0xdeadbeef);
 382         ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 383                 NULL, NULL, fs_name_buf, fs_name_len);
 384         ok(!ret && (GetLastError() == ERROR_INVALID_NAME ||
 385              broken(GetLastError() == ERROR_BAD_PATHNAME/* Win9x */)),
 386            "GetVolumeInformationA did%s fail, last error %u\n", ret ? " not":"", GetLastError());
 387
 388         /* Now C:\ becomes the current directory on drive C: */
 389         ret = SetEnvironmentVariable(Root_Env, Root_Slash); /* set =C:=C:\ */
 390         ok(ret, "SetEnvironmentVariable %s failed\n", Root_Env);
 391
 392         /* \ is current on root drive, call succeeds */
 393         ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 394                 NULL, NULL, fs_name_buf, fs_name_len);
 395         todo_wine ok(ret, "GetVolumeInformationA failed, last error %u\n", GetLastError());
 396
 397         /* again, SetCurrentDirectory on another drive does not matter */
 398         ret = SetCurrentDirectory(Root_Slash);
 399         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 400         ret = SetCurrentDirectory(currentdir);
 401         ok(ret, "SetCurrentDirectory: error %d\n", GetLastError());
 402
 403         /* \ is current on root drive, call succeeds */
 404         ret = pGetVolumeInformationA(Root_Colon, vol_name_buf, vol_name_size, NULL,
 405                 NULL, NULL, fs_name_buf, fs_name_len);
 406         todo_wine ok(ret, "GetVolumeInformationA failed, last error %u\n", GetLastError());
 407     }
 408
 409     /* try null root directory to return "root of the current directory"  */
 410     ret = pGetVolumeInformationA(NULL, vol_name_buf, vol_name_size, NULL,
 411             NULL, NULL, fs_name_buf, fs_name_len);
 412     ok(ret, "GetVolumeInformationA failed on null root dir, last error %u\n", GetLastError());
 413
 414     /* Try normal drive letter with trailing \  */
 415     ret = pGetVolumeInformationA(Root_Slash, vol_name_buf, vol_name_size,
 416             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 417     ok(ret, "GetVolumeInformationA failed, root=%s, last error=%u\n", Root_Slash, GetLastError());
 418
 419     /* try again with drive letter and the "disable parsing" prefix */
 420     SetLastError(0xdeadbeef);
 421     ret = pGetVolumeInformationA(Root_UNC, vol_name_buf, vol_name_size,
 422             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 423     todo_wine ok(ret || broken(!ret /* win9x */ && GetLastError()==ERROR_BAD_NETPATH),
 424         "GetVolumeInformationA did%s fail, root=%s, last error=%u\n", ret ? " not":"", Root_UNC, GetLastError());
 425
 426     /* try again with device name space  */
 427     Root_UNC[2] = '.';
 428     SetLastError(0xdeadbeef);
 429     ret = pGetVolumeInformationA(Root_UNC, vol_name_buf, vol_name_size,
 430             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 431     todo_wine ok(ret || broken(!ret /* win9x */ && GetLastError()==ERROR_BAD_NETPATH),
 432         "GetVolumeInformationA did%s fail, root=%s, last error=%u\n", ret ? " not":"", Root_UNC, GetLastError());
 433
 434     /* try again with a directory off the root - should generate error  */
 435     if (windowsdir[strlen(windowsdir)-1] != '\\') strcat(windowsdir, "\\");
 436     SetLastError(0xdeadbeef);
 437     ret = pGetVolumeInformationA(windowsdir, vol_name_buf, vol_name_size,
 438             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 439     todo_wine ok(!ret && (GetLastError()==ERROR_DIR_NOT_ROOT ||
 440          broken(GetLastError()==ERROR_BAD_PATHNAME/* win9x */)),
 441           "GetVolumeInformationA did%s fail, root=%s, last error=%u\n", ret ? " not":"", windowsdir, GetLastError());
 442     /* A subdir with trailing \ yields DIR_NOT_ROOT instead of INVALID_NAME */
 443     if (windowsdir[strlen(windowsdir)-1] == '\\') windowsdir[strlen(windowsdir)-1] = 0;
 444     SetLastError(0xdeadbeef);
 445     ret = pGetVolumeInformationA(windowsdir, vol_name_buf, vol_name_size,
 446             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 447     ok(!ret && (GetLastError()==ERROR_INVALID_NAME ||
 448          broken(GetLastError()==ERROR_BAD_PATHNAME/* win9x */)),
 449           "GetVolumeInformationA did%s fail, root=%s, last error=%u\n", ret ? " not":"", windowsdir, GetLastError());
 450
 451     if (!pGetVolumeNameForVolumeMountPointA) {
 452         win_skip("GetVolumeNameForVolumeMountPointA not found\n");
 453         return;
 454     }
 455     /* get the unique volume name for the windows drive  */
 456     ret = pGetVolumeNameForVolumeMountPointA(Root_Slash, volume, MAX_PATH);
 457     ok(ret == TRUE, "GetVolumeNameForVolumeMountPointA failed\n");
 458
 459     /* try again with unique volume name */
 460     ret = pGetVolumeInformationA(volume, vol_name_buf, vol_name_size,
 461             &vol_serial_num, &max_comp_len, &fs_flags, fs_name_buf, fs_name_len);
 462     todo_wine ok(ret, "GetVolumeInformationA failed, root=%s, last error=%u\n", volume, GetLastError());
 463 }
 464
 465 /* Test to check that unique volume name from windows dir mount point  */
 466 /* matches at least one of the unique volume names returned from the   */
 467 /* FindFirstVolumeA/FindNextVolumeA list.                              */
 468 static void test_enum_vols(void)
 469 {
 470     DWORD   ret;
 471     HANDLE  hFind = INVALID_HANDLE_VALUE;
 472     char    Volume_1[MAX_PATH] = {0};
 473     char    Volume_2[MAX_PATH] = {0};
 474     char    path[] = "c:\\";
 475     BOOL    found = FALSE;
 476     char    windowsdir[MAX_PATH];
 477
 478     if (!pGetVolumeNameForVolumeMountPointA) {
 479         win_skip("GetVolumeNameForVolumeMountPointA not found\n");
 480         return;
 481     }
 482
 483     /*get windows drive letter and update strings for testing  */
 484     ret = GetWindowsDirectory( windowsdir, sizeof(windowsdir) );
 485     ok(ret < sizeof(windowsdir), "windowsdir is abnormally long!\n");
 486     ok(ret != 0, "GetWindowsDirecory: error %d\n", GetLastError());
 487     path[0] = windowsdir[0];
 488
 489     /* get the unique volume name for the windows drive  */
 490     ret = pGetVolumeNameForVolumeMountPointA( path, Volume_1, MAX_PATH );
 491     ok(ret == TRUE, "GetVolumeNameForVolumeMountPointA failed\n");
 492     ok(strlen(Volume_1) == 49, "GetVolumeNameForVolumeMountPointA returned wrong length name %s\n", Volume_1);
 493
 494     /* get first unique volume name of list  */
 495     hFind = pFindFirstVolumeA( Volume_2, MAX_PATH );
 496     ok(hFind != INVALID_HANDLE_VALUE, "FindFirstVolume failed, err=%u\n",
 497                 GetLastError());
 498
 499     do
 500     {
 501         /* validate correct length of unique volume name  */
 502         ok(strlen(Volume_2) == 49, "Find[First/Next]Volume returned wrong length name %s\n", Volume_1);
 503         if (memcmp(Volume_1, Volume_2, 49) == 0)
 504         {
 505             found = TRUE;
 506             break;
 507         }
 508     } while (pFindNextVolumeA( hFind, Volume_2, MAX_PATH ));
 509     ok(found, "volume name %s not found by Find[First/Next]Volume\n", Volume_1);
 510     pFindVolumeClose( hFind );
 511 }
 512
 513 START_TEST(volume)
 514 {
 515     hdll = GetModuleHandleA("kernel32.dll");
 516     pGetVolumeNameForVolumeMountPointA = (void *) GetProcAddress(hdll, "GetVolumeNameForVolumeMountPointA");
 517     pGetVolumeNameForVolumeMountPointW = (void *) GetProcAddress(hdll, "GetVolumeNameForVolumeMountPointW");
 518     pFindFirstVolumeA = (void *) GetProcAddress(hdll, "FindFirstVolumeA");
 519     pFindNextVolumeA = (void *) GetProcAddress(hdll, "FindNextVolumeA");
 520     pFindVolumeClose = (void *) GetProcAddress(hdll, "FindVolumeClose");
 521     pGetLogicalDriveStringsA = (void *) GetProcAddress(hdll, "GetLogicalDriveStringsA");
 522     pGetLogicalDriveStringsW = (void *) GetProcAddress(hdll, "GetLogicalDriveStringsW");
 523     pGetVolumeInformationA = (void *) GetProcAddress(hdll, "GetVolumeInformationA");
 524
 525     test_query_dos_deviceA();
 526     test_FindFirstVolume();
 527     test_GetVolumeNameForVolumeMountPointA();
 528     test_GetVolumeNameForVolumeMountPointW();
 529     test_GetLogicalDriveStringsA();
 530     test_GetLogicalDriveStringsW();
 531     test_GetVolumeInformationA();
 532     test_enum_vols();
 533 }