dlls/msvcrt/tests/misc.c

   1 /*
   2  * Unit tests for miscellaneous msvcrt functions
   3  *
   4  * Copyright 2010 Andrew Nguyen
   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 <errno.h>
  23 #include "msvcrt.h"
  24
  25 static int (__cdecl *prand_s)(unsigned int *);
  26 static int (__cdecl *pI10_OUTPUT)(long double, int, int, void*);
  27 static int (__cdecl *pstrerror_s)(char *, MSVCRT_size_t, int);
  28 static int (__cdecl *p_get_doserrno)(int *);
  29 static int (__cdecl *p_get_errno)(int *);
  30 static int (__cdecl *p_set_doserrno)(int);
  31 static int (__cdecl *p_set_errno)(int);
  32
  33 static void init(void)
  34 {
  35     HMODULE hmod = GetModuleHandleA("msvcrt.dll");
  36
  37     prand_s = (void *)GetProcAddress(hmod, "rand_s");
  38     pI10_OUTPUT = (void*)GetProcAddress(hmod, "$I10_OUTPUT");
  39     pstrerror_s = (void *)GetProcAddress(hmod, "strerror_s");
  40     p_get_doserrno = (void *)GetProcAddress(hmod, "_get_doserrno");
  41     p_get_errno = (void *)GetProcAddress(hmod, "_get_errno");
  42     p_set_doserrno = (void *)GetProcAddress(hmod, "_set_doserrno");
  43     p_set_errno = (void *)GetProcAddress(hmod, "_set_errno");
  44 }
  45
  46 static void test_rand_s(void)
  47 {
  48     int ret;
  49     unsigned int rand;
  50
  51     if (!prand_s)
  52     {
  53         win_skip("rand_s is not available\n");
  54         return;
  55     }
  56
  57     errno = EBADF;
  58     ret = prand_s(NULL);
  59     ok(ret == EINVAL, "Expected rand_s to return EINVAL, got %d\n", ret);
  60     ok(errno == EINVAL, "Expected errno to return EINVAL, got %d\n", errno);
  61
  62     ret = prand_s(&rand);
  63     ok(ret == 0, "Expected rand_s to return 0, got %d\n", ret);
  64 }
  65
  66 typedef struct _I10_OUTPUT_data {
  67     short pos;
  68     char sign;
  69     BYTE len;
  70     char str[100];
  71 } I10_OUTPUT_data;
  72
  73 typedef struct _I10_OUTPUT_test {
  74     long double d;
  75     int size;
  76     int flags;
  77
  78     I10_OUTPUT_data out;
  79     int ret;
  80     const char *remain;
  81 } I10_OUTPUT_test;
  82
  83 static const I10_OUTPUT_test I10_OUTPUT_tests[] = {
  84     /* arg3 = 0 */
  85     { 0.0, 10, 0, {0, ' ', 1, "0"}, 1, "" },
  86     { 1.0, 10, 0, {1, ' ', 1, "1"}, 1, "000000009" },
  87     { -1.0, 10, 0, {1, '-', 1, "1"}, 1, "000000009" },
  88     { 1.23, 10, 0, {1, ' ', 3, "123"}, 1, "0000009" },
  89     { 1e13, 10, 0, {14, ' ', 1, "1"}, 1, "000000009" },
  90     { 1e30, 30, 0, {31, ' ', 21, "100000000000000001988"}, 1, "" },
  91     { 1e-13, 10, 0, {-12, ' ', 1, "1"}, 1, "000000000" },
  92     { 0.25, 10, 0, {0, ' ', 2, "25"}, 1, "00000000" },
  93     { 1.0000001, 10, 0, {1, ' ', 8, "10000001"}, 1, "00" },
  94     /* arg3 = 1 */
  95     { 0.0, 10, 1, {0, ' ', 1, "0"}, 1, "" },
  96     { 1.0, 10, 1, {1, ' ', 1, "1"}, 1, "0000000009" },
  97     { -1.0, 10, 1, {1, '-', 1, "1"}, 1, "0000000009" },
  98     { 1.23, 10, 1, {1, ' ', 3, "123"}, 1, "00000009" },
  99     { 1e13, 10, 1, {14, ' ', 1, "1"}, 1, "00000000000000000009" },
 100     { 1e30, 30, 1, {31, ' ', 21, "100000000000000001988"}, 1, "" },
 101     { 1e-13, 10, 1, {0, ' ', 1, "0"}, 1, "" },
 102     { 1e-7, 10, 1, {-6, ' ', 1, "1"}, 1, "09" },
 103     { 0.25, 10, 1, {0, ' ', 2, "25"}, 1, "00000000" },
 104     { 1.0000001, 10, 1, {1, ' ', 8, "10000001"}, 1, "000" },
 105     /* too small buffer */
 106     { 0.0, 0, 0, {0, ' ', 1, "0"}, 1, "" },
 107     { 0.0, 0, 1, {0, ' ', 1, "0"}, 1, "" },
 108     { 123.0, 2, 0, {3, ' ', 2, "12"}, 1, "" },
 109     { 123.0, 0, 0, {0, ' ', 1, "0"}, 1, "" },
 110     { 123.0, 2, 1, {3, ' ', 3, "123"}, 1, "09" },
 111     { 0.99, 1, 0, {1, ' ', 1, "1"}, 1, "" },
 112     { 1264567.0, 2, 0, {7, ' ', 2, "13"}, 1, "" },
 113     { 1264567.0, 2, 1, {7, ' ', 7, "1264567"}, 1, "00" },
 114     { 1234567891.0, 2, 1, {10, ' ', 10, "1234567891"}, 1, "09" }
 115 };
 116
 117 static void test_I10_OUTPUT(void)
 118 {
 119     I10_OUTPUT_data out;
 120     int i, j = sizeof(long double), ret;
 121
 122     if(!pI10_OUTPUT) {
 123         win_skip("I10_OUTPUT not available\n");
 124         return;
 125     }
 126     if (j != 12)
 127         trace("sizeof(long double) = %d on this machine\n", j);
 128
 129     for(i=0; i<sizeof(I10_OUTPUT_tests)/sizeof(I10_OUTPUT_test); i++) {
 130         memset(out.str, '#', sizeof(out.str));
 131
 132         if (sizeof(long double) == 12)
 133             ret = pI10_OUTPUT(I10_OUTPUT_tests[i].d, I10_OUTPUT_tests[i].size, I10_OUTPUT_tests[i].flags, &out);
 134         else {
 135             /* MS' "long double" is an 80 bit FP that takes 12 bytes*/
 136             typedef struct { ULONG x80[3]; } uld; /* same calling convention */
 137             union { long double ld; uld ld12; } fp80;
 138             int (__cdecl *pI10_OUTPUT12)(uld, int, int, void*) = (void*)pI10_OUTPUT;
 139             fp80.ld = I10_OUTPUT_tests[i].d;
 140             ret = pI10_OUTPUT12(fp80.ld12, I10_OUTPUT_tests[i].size, I10_OUTPUT_tests[i].flags, &out);
 141         }
 142         ok(ret == I10_OUTPUT_tests[i].ret, "%d: ret = %d\n", i, ret);
 143         ok(out.pos == I10_OUTPUT_tests[i].out.pos, "%d: out.pos = %hd\n", i, out.pos);
 144         ok(out.sign == I10_OUTPUT_tests[i].out.sign, "%d: out.size = %c\n", i, out.sign);
 145         ok(out.len == I10_OUTPUT_tests[i].out.len, "%d: out.len = %d\n", i, (int)out.len);
 146         ok(!strcmp(out.str, I10_OUTPUT_tests[i].out.str), "%d: out.str = %s\n", i, out.str);
 147
 148         j = strlen(I10_OUTPUT_tests[i].remain);
 149         if(j && I10_OUTPUT_tests[i].remain[j-1]=='9')
 150             todo_wine ok(!strncmp(out.str+out.len+1, I10_OUTPUT_tests[i].remain, j),
 151                     "%d: &out.str[%d] = %.25s...\n", i, out.len+1, out.str+out.len+1);
 152         else
 153             ok(!strncmp(out.str+out.len+1, I10_OUTPUT_tests[i].remain, j),
 154                     "%d: &out.str[%d] = %.25s...\n", i, out.len+1, out.str+out.len+1);
 155
 156
 157         for(j=out.len+strlen(I10_OUTPUT_tests[i].remain)+1; j<sizeof(out.str); j++)
 158             if(out.str[j] != '#')
 159                 ok(0, "%d: out.str[%d] = %c (expected \'#\')\n", i, j, out.str[j]);
 160     }
 161 }
 162
 163 static void test_strerror_s(void)
 164 {
 165     int ret;
 166     char buf[256];
 167
 168     if (!pstrerror_s)
 169     {
 170         win_skip("strerror_s is not available\n");
 171         return;
 172     }
 173
 174     errno = EBADF;
 175     ret = pstrerror_s(NULL, 0, 0);
 176     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 177     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 178
 179     errno = EBADF;
 180     ret = pstrerror_s(NULL, sizeof(buf), 0);
 181     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 182     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 183
 184     memset(buf, 'X', sizeof(buf));
 185     errno = EBADF;
 186     ret = pstrerror_s(buf, 0, 0);
 187     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 188     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 189     ok(buf[0] == 'X', "Expected output buffer to be untouched\n");
 190
 191     memset(buf, 'X', sizeof(buf));
 192     ret = pstrerror_s(buf, 1, 0);
 193     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 194     ok(strlen(buf) == 0, "Expected output buffer to be null terminated\n");
 195
 196     memset(buf, 'X', sizeof(buf));
 197     ret = pstrerror_s(buf, 2, 0);
 198     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 199     ok(strlen(buf) == 1, "Expected output buffer to be truncated\n");
 200
 201     memset(buf, 'X', sizeof(buf));
 202     ret = pstrerror_s(buf, sizeof(buf), 0);
 203     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 204
 205     memset(buf, 'X', sizeof(buf));
 206     ret = pstrerror_s(buf, sizeof(buf), -1);
 207     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 208 }
 209
 210 static void test__get_doserrno(void)
 211 {
 212     int ret, out;
 213
 214     if (!p_get_doserrno)
 215     {
 216         win_skip("_get_doserrno is not available\n");
 217         return;
 218     }
 219
 220     _doserrno = ERROR_INVALID_CMM;
 221     errno = EBADF;
 222     ret = p_get_doserrno(NULL);
 223     ok(ret == EINVAL, "Expected _get_doserrno to return EINVAL, got %d\n", ret);
 224     ok(_doserrno == ERROR_INVALID_CMM, "Expected _doserrno to be ERROR_INVALID_CMM, got %d\n", _doserrno);
 225     ok(errno == EBADF, "Expected errno to be EBADF, got %d\n", errno);
 226
 227     _doserrno = ERROR_INVALID_CMM;
 228     errno = EBADF;
 229     out = 0xdeadbeef;
 230     ret = p_get_doserrno(&out);
 231     ok(ret == 0, "Expected _get_doserrno to return 0, got %d\n", ret);
 232     ok(out == ERROR_INVALID_CMM, "Expected output variable to be ERROR_INVAID_CMM, got %d\n", out);
 233 }
 234
 235 static void test__get_errno(void)
 236 {
 237     int ret, out;
 238
 239     if (!p_get_errno)
 240     {
 241         win_skip("_get_errno is not available\n");
 242         return;
 243     }
 244
 245     errno = EBADF;
 246     ret = p_get_errno(NULL);
 247     ok(ret == EINVAL, "Expected _get_errno to return EINVAL, got %d\n", ret);
 248     ok(errno == EBADF, "Expected errno to be EBADF, got %d\n", errno);
 249
 250     errno = EBADF;
 251     out = 0xdeadbeef;
 252     ret = p_get_errno(&out);
 253     ok(ret == 0, "Expected _get_errno to return 0, got %d\n", ret);
 254     ok(out == EBADF, "Expected output variable to be EBADF, got %d\n", out);
 255 }
 256
 257 static void test__set_doserrno(void)
 258 {
 259     int ret;
 260
 261     if (!p_set_doserrno)
 262     {
 263         win_skip("_set_doserrno is not available\n");
 264         return;
 265     }
 266
 267     _doserrno = ERROR_INVALID_CMM;
 268     ret = p_set_doserrno(ERROR_FILE_NOT_FOUND);
 269     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 270     ok(_doserrno == ERROR_FILE_NOT_FOUND,
 271        "Expected _doserrno to be ERROR_FILE_NOT_FOUND, got %d\n", _doserrno);
 272
 273     _doserrno = ERROR_INVALID_CMM;
 274     ret = p_set_doserrno(-1);
 275     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 276     ok(_doserrno == -1,
 277        "Expected _doserrno to be -1, got %d\n", _doserrno);
 278
 279     _doserrno = ERROR_INVALID_CMM;
 280     ret = p_set_doserrno(0xdeadbeef);
 281     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 282     ok(_doserrno == 0xdeadbeef,
 283        "Expected _doserrno to be 0xdeadbeef, got %d\n", _doserrno);
 284 }
 285
 286 static void test__set_errno(void)
 287 {
 288     int ret;
 289
 290     if (!p_set_errno)
 291     {
 292         win_skip("_set_errno is not available\n");
 293         return;
 294     }
 295
 296     errno = EBADF;
 297     ret = p_set_errno(EINVAL);
 298     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 299     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 300
 301     errno = EBADF;
 302     ret = p_set_errno(-1);
 303     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 304     ok(errno == -1, "Expected errno to be -1, got %d\n", errno);
 305
 306     errno = EBADF;
 307     ret = p_set_errno(0xdeadbeef);
 308     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 309     ok(errno == 0xdeadbeef, "Expected errno to be 0xdeadbeef, got %d\n", errno);
 310 }
 311
 312 START_TEST(misc)
 313 {
 314     init();
 315
 316     test_rand_s();
 317     test_I10_OUTPUT();
 318     test_strerror_s();
 319     test__get_doserrno();
 320     test__get_errno();
 321     test__set_doserrno();
 322     test__set_errno();
 323 }