dlls/ntdll/tests/large_int.c

   1 /* Unit test suite for Rtl large integer functions
   2  *
   3  * Copyright 2003 Thomas Mertes
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  *
  19  * NOTES
  20  * We use function pointers here as there is no import library for NTDLL on
  21  * windows.
  22  */
  23
  24 #include <stdlib.h>
  25
  26 #include "ntdll_test.h"
  27
  28
  29 /* Function ptrs for ntdll calls */
  30 static HMODULE hntdll = 0;
  31 static LONGLONG (WINAPI *pRtlExtendedMagicDivide)(LONGLONG, LONGLONG, INT);
  32 static VOID     (WINAPI *pRtlFreeAnsiString)(PSTRING);
  33 static NTSTATUS (WINAPI *pRtlInt64ToUnicodeString)(ULONGLONG, ULONG, UNICODE_STRING *);
  34 static NTSTATUS (WINAPI *pRtlLargeIntegerToChar)(ULONGLONG *, ULONG, ULONG, PCHAR);
  35 static NTSTATUS (WINAPI *pRtlUnicodeStringToAnsiString)(STRING *, const UNICODE_STRING *, BOOLEAN);
  36
  37
  38 static void InitFunctionPtrs(void)
  39 {
  40     hntdll = LoadLibraryA("ntdll.dll");
  41     ok(hntdll != 0, "LoadLibrary failed\n");
  42     if (hntdll) {
  43         pRtlExtendedMagicDivide = (void *)GetProcAddress(hntdll, "RtlExtendedMagicDivide");
  44         pRtlFreeAnsiString = (void *)GetProcAddress(hntdll, "RtlFreeAnsiString");
  45         pRtlInt64ToUnicodeString = (void *)GetProcAddress(hntdll, "RtlInt64ToUnicodeString");
  46         pRtlLargeIntegerToChar = (void *)GetProcAddress(hntdll, "RtlLargeIntegerToChar");
  47         pRtlUnicodeStringToAnsiString = (void *)GetProcAddress(hntdll, "RtlUnicodeStringToAnsiString");
  48     } /* if */
  49 }
  50
  51 #define ULL(a,b) (((ULONGLONG)(a) << 32) | (b))
  52
  53 typedef struct {
  54     LONGLONG a;
  55     LONGLONG b;
  56     INT shift;
  57     LONGLONG result;
  58 } magic_divide_t;
  59
  60 static const magic_divide_t magic_divide[] = {
  61     {                          3,  ULL(0x55555555,0x55555555), 0,                   0}, /* 1 */
  62     {                  333333333,  ULL(0x55555555,0x55555555), 0,           111111110}, /* 111111111 */
  63     { ULL(0x7fffffff,0xffffffff),  ULL(0x55555555,0x55555555), 0,  ULL(0x2aaaaaaa,0xaaaaaaaa)},
  64     {                          3,  ULL(0xaaaaaaaa,0xaaaaaaaa), 1,                   0}, /* 1 */
  65     {                  333333333,  ULL(0xaaaaaaaa,0xaaaaaaaa), 1,           111111110}, /* 111111111 */
  66     { ULL(0x7fffffff,0xffffffff),  ULL(0xaaaaaaaa,0xaaaaaaaa), 1,  ULL(0x2aaaaaaa,0xaaaaaaaa)},
  67     {                         -3,  ULL(0x55555555,0x55555555), 0,                   0}, /* -1 */
  68     {                 -333333333,  ULL(0x55555555,0x55555555), 0,          -111111110}, /* -111111111 */
  69     {-ULL(0x7fffffff,0xffffffff),  ULL(0x55555555,0x55555555), 0, -ULL(0x2aaaaaaa,0xaaaaaaaa)},
  70     {                         -3,  ULL(0xaaaaaaaa,0xaaaaaaaa), 1,                   0}, /* -1 */
  71     {                 -333333333,  ULL(0xaaaaaaaa,0xaaaaaaaa), 1,          -111111110}, /* -111111111 */
  72     {-ULL(0x7fffffff,0xffffffff),  ULL(0xaaaaaaaa,0xaaaaaaaa), 1, -ULL(0x2aaaaaaa,0xaaaaaaaa)},
  73     {                         -3, -ULL(0x55555555,0x55555555), 0,                  -2}, /* -1 */
  74     {                 -333333333, -ULL(0x55555555,0x55555555), 0,          -222222222}, /* -111111111 */
  75     {-ULL(0x7fffffff,0xffffffff), -ULL(0x55555555,0x55555555), 0, -ULL(0x55555555,0x55555554)},
  76     {                         -3, -ULL(0xaaaaaaaa,0xaaaaaaaa), 1,                   0}, /* -1 */
  77     {                 -333333333, -ULL(0xaaaaaaaa,0xaaaaaaaa), 1,           -55555555}, /* -111111111 */
  78     {-ULL(0x7fffffff,0xffffffff), -ULL(0xaaaaaaaa,0xaaaaaaaa), 1, -ULL(0x15555555,0x55555555)},
  79     {                          3, -ULL(0x55555555,0x55555555), 0,                   2}, /* -1 */
  80     {                  333333333, -ULL(0x55555555,0x55555555), 0,           222222222}, /* -111111111 */
  81     { ULL(0x7fffffff,0xffffffff), -ULL(0x55555555,0x55555555), 0,  ULL(0x55555555,0x55555554)},
  82     {                          3, -ULL(0xaaaaaaaa,0xaaaaaaaa), 1,                   0}, /* -1 */
  83     {                  333333333, -ULL(0xaaaaaaaa,0xaaaaaaaa), 1,            55555555}, /* -111111111 */
  84     { ULL(0x7fffffff,0xffffffff), -ULL(0xaaaaaaaa,0xaaaaaaaa), 1,  ULL(0x15555555,0x55555555)},
  85     {                          3,  ULL(0xaaaaaaaa,0xaaaaa800), 1,                   0}, /* 1 */
  86     {                  333333333,  ULL(0xaaaaaaaa,0xaaaaa800), 1,           111111110}, /* 111111111 */
  87     { ULL(0x7fffffff,0xffffffff),  ULL(0xaaaaaaaa,0xaaaaa800), 1,  ULL(0x2aaaaaaa,0xaaaaa9ff)}, /* 0x2aaaaaaaaaaaaaaa */
  88     {                          5,  ULL(0x33333333,0x333333ff), 0,                   1},
  89     {                  555555555,  ULL(0x33333333,0x333333ff), 0,           111111111},
  90     { ULL(0x7fffffff,0xffffffff),  ULL(0x33333333,0x333333ff), 0,  ULL(0x19999999,0x999999ff)}, /* 0x199999999999999a */
  91     {                          5,  ULL(0x66666666,0x666667fe), 1,                   1},
  92     {                  555555555,  ULL(0x66666666,0x666667fe), 1,           111111111},
  93     { ULL(0x7fffffff,0xffffffff),  ULL(0x66666666,0x666667fe), 1,  ULL(0x19999999,0x999999ff)}, /* 0x199999999999999a */
  94     {                          5,  ULL(0xcccccccc,0xcccccffd), 2,                   1},
  95     {                  555555555,  ULL(0xcccccccc,0xcccccffd), 2,           111111111},
  96     { ULL(0x7fffffff,0xffffffff),  ULL(0xcccccccc,0xcccccffd), 2,  ULL(0x19999999,0x999999ff)}, /* 0x199999999999999a */
  97     { ULL(0x00000add,0xcafeface),  ULL(0x002f1e28,0xfd1b5cca), 33,                  1},
  98     { ULL(0x081ac1b9,0xc2310a80),  ULL(0x002f1e28,0xfd1b5cca), 33,             0xbeef},
  99     { ULL(0x74ae3b5f,0x1558c800),  ULL(0x002f1e28,0xfd1b5cca), 33,            0xabcde},
 100     { ULL(0x00000add,0xcafeface),  ULL(0x2f1e28fd,0x1b5cca00), 41,                  1},
 101     { ULL(0x081ac1b9,0xc2310a80),  ULL(0x2f1e28fd,0x1b5cca00), 41,             0xbeef},
 102     { ULL(0x74ae3b5f,0x1558c800),  ULL(0x2f1e28fd,0x1b5cca00), 41,            0xabcde},
 103
 104 };
 105 #define NB_MAGIC_DIVIDE (sizeof(magic_divide)/sizeof(*magic_divide))
 106
 107
 108 static void test_RtlExtendedMagicDivide(void)
 109 {
 110     int i;
 111     LONGLONG result;
 112
 113     for (i = 0; i < NB_MAGIC_DIVIDE; i++) {
 114         result = pRtlExtendedMagicDivide(magic_divide[i].a, magic_divide[i].b, magic_divide[i].shift);
 115         ok(result == magic_divide[i].result,
 116            "call failed: RtlExtendedMagicDivide(%lld, %llu, %d) has result %llx, expected %llx\n",
 117            magic_divide[i].a, magic_divide[i].b, magic_divide[i].shift, result, magic_divide[i].result);
 118     }
 119 }
 120
 121
 122 #define LARGE_STRI_BUFFER_LENGTH 67
 123
 124 typedef struct {
 125     int base;
 126     ULONGLONG value;
 127     USHORT Length;
 128     USHORT MaximumLength;
 129     const char *Buffer;
 130     NTSTATUS result;
 131 } largeint2str_t;
 132
 133 /*
 134  * The native DLL does produce garbage or STATUS_BUFFER_OVERFLOW for
 135  * base 2, 8 and 16 when the value is larger than 0xFFFFFFFF.
 136  * Therefore these testcases are commented out.
 137  */
 138
 139 static const largeint2str_t largeint2str[] = {
 140     {10,          123,  3, 11, "123\0---------------------------------------------------------------", STATUS_SUCCESS},
 141
 142     { 0,  0x80000000U, 10, 11, "2147483648\0--------------------------------------------------------", STATUS_SUCCESS},
 143     { 0,  -2147483647, 20, 21, "18446744071562067969\0----------------------------------------------", STATUS_SUCCESS},
 144     { 0,           -2, 20, 21, "18446744073709551614\0----------------------------------------------", STATUS_SUCCESS},
 145     { 0,           -1, 20, 21, "18446744073709551615\0----------------------------------------------", STATUS_SUCCESS},
 146     { 0,            0,  1, 11, "0\0-----------------------------------------------------------------", STATUS_SUCCESS},
 147     { 0,            1,  1, 11, "1\0-----------------------------------------------------------------", STATUS_SUCCESS},
 148     { 0,           12,  2, 11, "12\0----------------------------------------------------------------", STATUS_SUCCESS},
 149     { 0,          123,  3, 11, "123\0---------------------------------------------------------------", STATUS_SUCCESS},
 150     { 0,         1234,  4, 11, "1234\0--------------------------------------------------------------", STATUS_SUCCESS},
 151     { 0,        12345,  5, 11, "12345\0-------------------------------------------------------------", STATUS_SUCCESS},
 152     { 0,       123456,  6, 11, "123456\0------------------------------------------------------------", STATUS_SUCCESS},
 153     { 0,      1234567,  7, 11, "1234567\0-----------------------------------------------------------", STATUS_SUCCESS},
 154     { 0,     12345678,  8, 11, "12345678\0----------------------------------------------------------", STATUS_SUCCESS},
 155     { 0,    123456789,  9, 11, "123456789\0---------------------------------------------------------", STATUS_SUCCESS},
 156     { 0,   2147483646, 10, 11, "2147483646\0--------------------------------------------------------", STATUS_SUCCESS},
 157     { 0,   2147483647, 10, 11, "2147483647\0--------------------------------------------------------", STATUS_SUCCESS},
 158     { 0,  2147483648U, 10, 11, "2147483648\0--------------------------------------------------------", STATUS_SUCCESS},
 159     { 0,  2147483649U, 10, 11, "2147483649\0--------------------------------------------------------", STATUS_SUCCESS},
 160     { 0,  4294967294U, 10, 11, "4294967294\0--------------------------------------------------------", STATUS_SUCCESS},
 161     { 0,  4294967295U, 10, 11, "4294967295\0--------------------------------------------------------", STATUS_SUCCESS},
 162     { 0,  ULL(0x2,0xdfdc1c35), 11, 12, "12345678901\0-------------------------------------------------------", STATUS_SUCCESS},
 163     { 0,  ULL(0xe5,0xf4c8f374), 12, 13, "987654321012\0------------------------------------------------------", STATUS_SUCCESS},
 164     { 0,  ULL(0x1c0,0xfc161e3e), 13, 14, "1928374656574\0-----------------------------------------------------", STATUS_SUCCESS},
 165     { 0, ULL(0xbad,0xcafeface), 14, 15, "12841062955726\0----------------------------------------------------", STATUS_SUCCESS},
 166     { 0, ULL(0x5bad,0xcafeface), 15, 16, "100801993177806\0---------------------------------------------------", STATUS_SUCCESS},
 167     { 0, ULL(0xaface,0xbeefcafe), 16, 20, "3090515640699646\0--------------------------------------------------", STATUS_SUCCESS},
 168     { 0, ULL(0xa5beef,0xabcdcafe), 17, 20, "46653307746110206\0-------------------------------------------------", STATUS_SUCCESS},
 169     { 0, ULL(0x1f8cf9b,0xf2df3af1), 18, 20, "142091656963767025\0------------------------------------------------", STATUS_SUCCESS},
 170     { 0, ULL(0x0fffffff,0xffffffff), 19, 20, "1152921504606846975\0-----------------------------------------------", STATUS_SUCCESS},
 171     { 0, ULL(0xffffffff,0xfffffffe), 20, 21, "18446744073709551614\0----------------------------------------------", STATUS_SUCCESS},
 172     { 0, ULL(0xffffffff,0xffffffff), 20, 21, "18446744073709551615\0----------------------------------------------", STATUS_SUCCESS},
 173
 174     { 2,  0x80000000U, 32, 33, "10000000000000000000000000000000\0----------------------------------", STATUS_SUCCESS},
 175 /*
 176  *  { 2,  -2147483647, 64, 65, "1111111111111111111111111111111110000000000000000000000000000001\0--", STATUS_SUCCESS},
 177  *  { 2,           -2, 64, 65, "1111111111111111111111111111111111111111111111111111111111111110\0--", STATUS_SUCCESS},
 178  *  { 2,           -1, 64, 65, "1111111111111111111111111111111111111111111111111111111111111111\0--", STATUS_SUCCESS},
 179  */
 180     { 2,            0,  1, 33, "0\0-----------------------------------------------------------------", STATUS_SUCCESS},
 181     { 2,            1,  1, 33, "1\0-----------------------------------------------------------------", STATUS_SUCCESS},
 182     { 2,           10,  4, 33, "1010\0--------------------------------------------------------------", STATUS_SUCCESS},
 183     { 2,          100,  7, 33, "1100100\0-----------------------------------------------------------", STATUS_SUCCESS},
 184     { 2,         1000, 10, 33, "1111101000\0--------------------------------------------------------", STATUS_SUCCESS},
 185     { 2,        10000, 14, 33, "10011100010000\0----------------------------------------------------", STATUS_SUCCESS},
 186     { 2,        32767, 15, 33, "111111111111111\0---------------------------------------------------", STATUS_SUCCESS},
 187     { 2,        32768, 16, 33, "1000000000000000\0--------------------------------------------------", STATUS_SUCCESS},
 188     { 2,        65535, 16, 33, "1111111111111111\0--------------------------------------------------", STATUS_SUCCESS},
 189     { 2,       100000, 17, 33, "11000011010100000\0-------------------------------------------------", STATUS_SUCCESS},
 190     { 2,      1000000, 20, 33, "11110100001001000000\0----------------------------------------------", STATUS_SUCCESS},
 191     { 2,     10000000, 24, 33, "100110001001011010000000\0------------------------------------------", STATUS_SUCCESS},
 192     { 2,    100000000, 27, 33, "101111101011110000100000000\0---------------------------------------", STATUS_SUCCESS},
 193     { 2,   1000000000, 30, 33, "111011100110101100101000000000\0------------------------------------", STATUS_SUCCESS},
 194     { 2,   1073741823, 30, 33, "111111111111111111111111111111\0------------------------------------", STATUS_SUCCESS},
 195     { 2,   2147483646, 31, 33, "1111111111111111111111111111110\0-----------------------------------", STATUS_SUCCESS},
 196     { 2,   2147483647, 31, 33, "1111111111111111111111111111111\0-----------------------------------", STATUS_SUCCESS},
 197     { 2,  2147483648U, 32, 33, "10000000000000000000000000000000\0----------------------------------", STATUS_SUCCESS},
 198     { 2,  2147483649U, 32, 33, "10000000000000000000000000000001\0----------------------------------", STATUS_SUCCESS},
 199     { 2,  4294967294U, 32, 33, "11111111111111111111111111111110\0----------------------------------", STATUS_SUCCESS},
 200     { 2,   0xFFFFFFFF, 32, 33, "11111111111111111111111111111111\0----------------------------------", STATUS_SUCCESS},
 201 /*
 202  *  { 2,  0x1FFFFFFFF, 33, 34, "111111111111111111111111111111111\0---------------------------------", STATUS_SUCCESS},
 203  *  { 2,  0x3FFFFFFFF, 34, 35, "1111111111111111111111111111111111\0--------------------------------", STATUS_SUCCESS},
 204  *  { 2,  0x7FFFFFFFF, 35, 36, "11111111111111111111111111111111111\0-------------------------------", STATUS_SUCCESS},
 205  *  { 2,  0xFFFFFFFFF, 36, 37, "111111111111111111111111111111111111\0------------------------------", STATUS_SUCCESS},
 206  *  { 2, 0x1FFFFFFFFF, 37, 38, "1111111111111111111111111111111111111\0-----------------------------", STATUS_SUCCESS},
 207  *  { 2, 0x3FFFFFFFFF, 38, 39, "11111111111111111111111111111111111111\0----------------------------", STATUS_SUCCESS},
 208  *  { 2, 0x7FFFFFFFFF, 39, 40, "111111111111111111111111111111111111111\0---------------------------", STATUS_SUCCESS},
 209  *  { 2, 0xFFFFFFFFFF, 40, 41, "1111111111111111111111111111111111111111\0--------------------------", STATUS_SUCCESS},
 210  */
 211
 212     { 8,  0x80000000U, 11, 12, "20000000000\0-------------------------------------------------------", STATUS_SUCCESS},
 213 /*
 214  *  { 8,  -2147483647, 22, 23, "1777777777760000000001\0--------------------------------------------", STATUS_SUCCESS},
 215  *  { 8,           -2, 22, 23, "1777777777777777777776\0--------------------------------------------", STATUS_SUCCESS},
 216  *  { 8,           -1, 22, 23, "1777777777777777777777\0--------------------------------------------", STATUS_SUCCESS},
 217  */
 218     { 8,            0,  1, 12, "0\0-----------------------------------------------------------------", STATUS_SUCCESS},
 219     { 8,            1,  1, 12, "1\0-----------------------------------------------------------------", STATUS_SUCCESS},
 220     { 8,   2147483646, 11, 12, "17777777776\0-------------------------------------------------------", STATUS_SUCCESS},
 221     { 8,   2147483647, 11, 12, "17777777777\0-------------------------------------------------------", STATUS_SUCCESS},
 222     { 8,  2147483648U, 11, 12, "20000000000\0-------------------------------------------------------", STATUS_SUCCESS},
 223     { 8,  2147483649U, 11, 12, "20000000001\0-------------------------------------------------------", STATUS_SUCCESS},
 224     { 8,  4294967294U, 11, 12, "37777777776\0-------------------------------------------------------", STATUS_SUCCESS},
 225     { 8,  4294967295U, 11, 12, "37777777777\0-------------------------------------------------------", STATUS_SUCCESS},
 226
 227     {10,  0x80000000U, 10, 11, "2147483648\0--------------------------------------------------------", STATUS_SUCCESS},
 228     {10,  -2147483647, 20, 21, "18446744071562067969\0----------------------------------------------", STATUS_SUCCESS},
 229     {10,           -2, 20, 21, "18446744073709551614\0----------------------------------------------", STATUS_SUCCESS},
 230     {10,           -1, 20, 21, "18446744073709551615\0----------------------------------------------", STATUS_SUCCESS},
 231     {10,            0,  1, 11, "0\0-----------------------------------------------------------------", STATUS_SUCCESS},
 232     {10,            1,  1, 11, "1\0-----------------------------------------------------------------", STATUS_SUCCESS},
 233     {10,   2147483646, 10, 11, "2147483646\0--------------------------------------------------------", STATUS_SUCCESS},
 234     {10,   2147483647, 10, 11, "2147483647\0--------------------------------------------------------", STATUS_SUCCESS},
 235     {10,  2147483648U, 10, 11, "2147483648\0--------------------------------------------------------", STATUS_SUCCESS},
 236     {10,  2147483649U, 10, 11, "2147483649\0--------------------------------------------------------", STATUS_SUCCESS},
 237     {10,  4294967294U, 10, 11, "4294967294\0--------------------------------------------------------", STATUS_SUCCESS},
 238     {10,  4294967295U, 10, 11, "4294967295\0--------------------------------------------------------", STATUS_SUCCESS},
 239
 240     {16,                  0,  1,  9, "0\0-----------------------------------------------------------------", STATUS_SUCCESS},
 241     {16,                  1,  1,  9, "1\0-----------------------------------------------------------------", STATUS_SUCCESS},
 242     {16,         2147483646,  8,  9, "7FFFFFFE\0----------------------------------------------------------", STATUS_SUCCESS},
 243     {16,         2147483647,  8,  9, "7FFFFFFF\0----------------------------------------------------------", STATUS_SUCCESS},
 244     {16,         0x80000000,  8,  9, "80000000\0----------------------------------------------------------", STATUS_SUCCESS},
 245     {16,         0x80000001,  8,  9, "80000001\0----------------------------------------------------------", STATUS_SUCCESS},
 246     {16,         0xFFFFFFFE,  8,  9, "FFFFFFFE\0----------------------------------------------------------", STATUS_SUCCESS},
 247     {16,         0xFFFFFFFF,  8,  9, "FFFFFFFF\0----------------------------------------------------------", STATUS_SUCCESS},
 248 /*
 249  *  {16,        0x100000000,  9, 10, "100000000\0---------------------------------------------------------", STATUS_SUCCESS},
 250  *  {16,      0xBADDEADBEEF, 11, 12, "BADDEADBEEF\0-------------------------------------------------------", STATUS_SUCCESS},
 251  *  {16, 0x8000000000000000, 16, 17, "8000000000000000\0--------------------------------------------------", STATUS_SUCCESS},
 252  *  {16, 0xFEDCBA9876543210, 16, 17, "FEDCBA9876543210\0--------------------------------------------------", STATUS_SUCCESS},
 253  *  {16, 0xFFFFFFFF80000001, 16, 17, "FFFFFFFF80000001\0--------------------------------------------------", STATUS_SUCCESS},
 254  *  {16, 0xFFFFFFFFFFFFFFFE, 16, 17, "FFFFFFFFFFFFFFFE\0--------------------------------------------------", STATUS_SUCCESS},
 255  *  {16, 0xFFFFFFFFFFFFFFFF, 16, 17, "FFFFFFFFFFFFFFFF\0--------------------------------------------------", STATUS_SUCCESS},
 256  */
 257
 258     { 2,        32768, 16, 17, "1000000000000000\0--------------------------------------------------", STATUS_SUCCESS},
 259     { 2,        32768, 16, 16, "1000000000000000---------------------------------------------------",  STATUS_SUCCESS},
 260     { 2,        65536, 17, 18, "10000000000000000\0-------------------------------------------------", STATUS_SUCCESS},
 261     { 2,        65536, 17, 17, "10000000000000000--------------------------------------------------",  STATUS_SUCCESS},
 262     { 2,       131072, 18, 19, "100000000000000000\0------------------------------------------------", STATUS_SUCCESS},
 263     { 2,       131072, 18, 18, "100000000000000000-------------------------------------------------",  STATUS_SUCCESS},
 264     {16,   0xffffffff,  8,  9, "FFFFFFFF\0----------------------------------------------------------", STATUS_SUCCESS},
 265     {16,   0xffffffff,  8,  8, "FFFFFFFF-----------------------------------------------------------",  STATUS_SUCCESS},
 266     {16,   0xffffffff,  8,  7, "-------------------------------------------------------------------",  STATUS_BUFFER_OVERFLOW},
 267     {16,          0xa,  1,  2, "A\0-----------------------------------------------------------------", STATUS_SUCCESS},
 268     {16,          0xa,  1,  1, "A------------------------------------------------------------------",  STATUS_SUCCESS},
 269     {16,            0,  1,  0, "-------------------------------------------------------------------",  STATUS_BUFFER_OVERFLOW},
 270     {20,   0xdeadbeef,  0,  9, "-------------------------------------------------------------------",  STATUS_INVALID_PARAMETER},
 271     {-8,     07654321,  0, 12, "-------------------------------------------------------------------",  STATUS_INVALID_PARAMETER},
 272 };
 273 #define NB_LARGEINT2STR (sizeof(largeint2str)/sizeof(*largeint2str))
 274
 275
 276 static void one_RtlInt64ToUnicodeString_test(int test_num, const largeint2str_t *largeint2str)
 277 {
 278     int pos;
 279     WCHAR expected_str_Buffer[LARGE_STRI_BUFFER_LENGTH + 1];
 280     UNICODE_STRING expected_unicode_string;
 281     STRING expected_ansi_str;
 282     WCHAR str_Buffer[LARGE_STRI_BUFFER_LENGTH + 1];
 283     UNICODE_STRING unicode_string;
 284     STRING ansi_str;
 285     NTSTATUS result;
 286
 287     for (pos = 0; pos < LARGE_STRI_BUFFER_LENGTH; pos++) {
 288         expected_str_Buffer[pos] = largeint2str->Buffer[pos];
 289     } /* for */
 290     expected_unicode_string.Length = largeint2str->Length * sizeof(WCHAR);
 291     expected_unicode_string.MaximumLength = largeint2str->MaximumLength * sizeof(WCHAR);
 292     expected_unicode_string.Buffer = expected_str_Buffer;
 293     pRtlUnicodeStringToAnsiString(&expected_ansi_str, &expected_unicode_string, 1);
 294
 295     for (pos = 0; pos < LARGE_STRI_BUFFER_LENGTH; pos++) {
 296         str_Buffer[pos] = '-';
 297     } /* for */
 298     unicode_string.Length = 0;
 299     unicode_string.MaximumLength = largeint2str->MaximumLength * sizeof(WCHAR);
 300     unicode_string.Buffer = str_Buffer;
 301
 302     if (largeint2str->base == 0) {
 303         result = pRtlInt64ToUnicodeString(largeint2str->value, 10, &unicode_string);
 304     } else {
 305         result = pRtlInt64ToUnicodeString(largeint2str->value, largeint2str->base, &unicode_string);
 306     } /* if */
 307     pRtlUnicodeStringToAnsiString(&ansi_str, &unicode_string, 1);
 308     if (result == STATUS_BUFFER_OVERFLOW) {
 309         /* On BUFFER_OVERFLOW the string Buffer should be unchanged */
 310         for (pos = 0; pos < LARGE_STRI_BUFFER_LENGTH; pos++) {
 311             expected_str_Buffer[pos] = '-';
 312         } /* for */
 313         /* w2k: The native function has two reasons for BUFFER_OVERFLOW: */
 314         /* If the value is too large to convert: The Length is unchanged */
 315         /* If str is too small to hold the string: Set str->Length to the length */
 316         /* the string would have (which can be larger than the MaximumLength). */
 317         /* To allow all this in the tests we do the following: */
 318         if (expected_unicode_string.Length >= 64) {
 319             /* The value is too large to convert only triggerd when testing native */
 320             /* Length is not filled with the expected string length (garbage?) */
 321             expected_unicode_string.Length = unicode_string.Length;
 322         } /* if */
 323     } else {
 324         ok(result == largeint2str->result,
 325            "(test %d): RtlInt64ToUnicodeString(%llu, %d, [out]) has result %lx, expected: %lx\n",
 326            test_num, largeint2str->value, largeint2str->base, result, largeint2str->result);
 327         if (result == STATUS_SUCCESS) {
 328             ok(unicode_string.Buffer[unicode_string.Length/sizeof(WCHAR)] == '\0',
 329                "(test %d): RtlInt64ToUnicodeString(%llu, %d, [out]) string \"%s\" is not NULL terminated\n",
 330                test_num, largeint2str->value, largeint2str->base, ansi_str.Buffer);
 331         } /* if */
 332     } /* if */
 333     ok(memcmp(unicode_string.Buffer, expected_unicode_string.Buffer, LARGE_STRI_BUFFER_LENGTH * sizeof(WCHAR)) == 0,
 334        "(test %d): RtlInt64ToUnicodeString(%llu, %d, [out]) assigns string \"%s\", expected: \"%s\"\n",
 335        test_num, largeint2str->value, largeint2str->base, ansi_str.Buffer, expected_ansi_str.Buffer);
 336     ok(unicode_string.Length == expected_unicode_string.Length,
 337        "(test %d): RtlInt64ToUnicodeString(%llu, %d, [out]) string has Length %d, expected: %d\n",
 338        test_num, largeint2str->value, largeint2str->base, unicode_string.Length, expected_unicode_string.Length);
 339     ok(unicode_string.MaximumLength == expected_unicode_string.MaximumLength,
 340        "(test %d): RtlInt64ToUnicodeString(%llu, %d, [out]) string has MaximumLength %d, expected: %d\n",
 341        test_num, largeint2str->value, largeint2str->base, unicode_string.MaximumLength, expected_unicode_string.MaximumLength);
 342     pRtlFreeAnsiString(&expected_ansi_str);
 343     pRtlFreeAnsiString(&ansi_str);
 344 }
 345
 346
 347 static void test_RtlInt64ToUnicodeString(void)
 348 {
 349     int test_num;
 350
 351     for (test_num = 0; test_num < NB_LARGEINT2STR; test_num++) {
 352         one_RtlInt64ToUnicodeString_test(test_num, &largeint2str[test_num]);
 353     } /* for */
 354 }
 355
 356
 357 static void one_RtlLargeIntegerToChar_test(int test_num, const largeint2str_t *largeint2str)
 358 {
 359     NTSTATUS result;
 360     char dest_str[LARGE_STRI_BUFFER_LENGTH + 1];
 361     ULONGLONG value;
 362
 363     memset(dest_str, '-', LARGE_STRI_BUFFER_LENGTH);
 364     dest_str[LARGE_STRI_BUFFER_LENGTH] = '\0';
 365     value = largeint2str->value;
 366     if (largeint2str->base == 0) {
 367         result = pRtlLargeIntegerToChar(&value, 10, largeint2str->MaximumLength, dest_str);
 368     } else {
 369         result = pRtlLargeIntegerToChar(&value, largeint2str->base, largeint2str->MaximumLength, dest_str);
 370     } /* if */
 371     ok(result == largeint2str->result,
 372        "(test %d): RtlLargeIntegerToChar(%llu, %d, %d, [out]) has result %lx, expected: %lx\n",
 373        test_num, largeint2str->value, largeint2str->base, largeint2str->MaximumLength, result, largeint2str->result);
 374     ok(memcmp(dest_str, largeint2str->Buffer, LARGE_STRI_BUFFER_LENGTH) == 0,
 375        "(test %d): RtlLargeIntegerToChar(%llu, %d, %d, [out]) assigns string \"%s\", expected: \"%s\"\n",
 376        test_num, largeint2str->value, largeint2str->base, largeint2str->MaximumLength, dest_str, largeint2str->Buffer);
 377 }
 378
 379
 380 static void test_RtlLargeIntegerToChar(void)
 381 {
 382     NTSTATUS result;
 383     int test_num;
 384     ULONGLONG value;
 385
 386     for (test_num = 0; test_num < NB_LARGEINT2STR; test_num++) {
 387         one_RtlLargeIntegerToChar_test(test_num, &largeint2str[test_num]);
 388     } /* for */
 389
 390     value = largeint2str[0].value;
 391     result = pRtlLargeIntegerToChar(&value, 20, largeint2str[0].MaximumLength, NULL);
 392     ok(result == STATUS_INVALID_PARAMETER,
 393        "(test a): RtlLargeIntegerToChar(%llu, %d, %d, NULL) has result %lx, expected: %lx\n",
 394        largeint2str[0].value, 20, largeint2str[0].MaximumLength, result, STATUS_INVALID_PARAMETER);
 395
 396     result = pRtlLargeIntegerToChar(&value, 20, 0, NULL);
 397     ok(result == STATUS_INVALID_PARAMETER,
 398        "(test b): RtlLargeIntegerToChar(%llu, %d, %d, NULL) has result %lx, expected: %lx\n",
 399        largeint2str[0].value, 20, largeint2str[0].MaximumLength, result, STATUS_INVALID_PARAMETER);
 400
 401     result = pRtlLargeIntegerToChar(&value, largeint2str[0].base, 0, NULL);
 402     ok(result == STATUS_BUFFER_OVERFLOW,
 403        "(test c): RtlLargeIntegerToChar(%llu, %d, %d, NULL) has result %lx, expected: %lx\n",
 404        largeint2str[0].value, largeint2str[0].base, 0, result, STATUS_BUFFER_OVERFLOW);
 405
 406     result = pRtlLargeIntegerToChar(&value, largeint2str[0].base, largeint2str[0].MaximumLength, NULL);
 407     ok(result == STATUS_ACCESS_VIOLATION,
 408        "(test d): RtlLargeIntegerToChar(%llu, %d, %d, NULL) has result %lx, expected: %lx\n",
 409        largeint2str[0].value, largeint2str[0].base, largeint2str[0].MaximumLength, result, STATUS_ACCESS_VIOLATION);
 410 }
 411
 412
 413 START_TEST(large_int)
 414 {
 415     InitFunctionPtrs();
 416
 417     if (pRtlExtendedMagicDivide)
 418         test_RtlExtendedMagicDivide();
 419     if (pRtlInt64ToUnicodeString)
 420             test_RtlInt64ToUnicodeString();
 421     if (pRtlLargeIntegerToChar)
 422         test_RtlLargeIntegerToChar();
 423 }