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 <stdio.h>
  24 #include "msvcrt.h"
  25
  26 static int (__cdecl *prand_s)(unsigned int *);
  27 static int (__cdecl *pI10_OUTPUT)(long double, int, int, void*);
  28 static int (__cdecl *pstrerror_s)(char *, MSVCRT_size_t, int);
  29 static int (__cdecl *p_get_doserrno)(int *);
  30 static int (__cdecl *p_get_errno)(int *);
  31 static int (__cdecl *p_set_doserrno)(int);
  32 static int (__cdecl *p_set_errno)(int);
  33
  34 static void init(void)
  35 {
  36     HMODULE hmod = GetModuleHandleA("msvcrt.dll");
  37
  38     prand_s = (void *)GetProcAddress(hmod, "rand_s");
  39     pI10_OUTPUT = (void*)GetProcAddress(hmod, "$I10_OUTPUT");
  40     pstrerror_s = (void *)GetProcAddress(hmod, "strerror_s");
  41     p_get_doserrno = (void *)GetProcAddress(hmod, "_get_doserrno");
  42     p_get_errno = (void *)GetProcAddress(hmod, "_get_errno");
  43     p_set_doserrno = (void *)GetProcAddress(hmod, "_set_doserrno");
  44     p_set_errno = (void *)GetProcAddress(hmod, "_set_errno");
  45 }
  46
  47 static void test_rand_s(void)
  48 {
  49     int ret;
  50     unsigned int rand;
  51
  52     if (!prand_s)
  53     {
  54         win_skip("rand_s is not available\n");
  55         return;
  56     }
  57
  58     errno = EBADF;
  59     ret = prand_s(NULL);
  60     ok(ret == EINVAL, "Expected rand_s to return EINVAL, got %d\n", ret);
  61     ok(errno == EINVAL, "Expected errno to return EINVAL, got %d\n", errno);
  62
  63     ret = prand_s(&rand);
  64     ok(ret == 0, "Expected rand_s to return 0, got %d\n", ret);
  65 }
  66
  67 typedef struct _I10_OUTPUT_data {
  68     short pos;
  69     char sign;
  70     BYTE len;
  71     char str[100];
  72 } I10_OUTPUT_data;
  73
  74 typedef struct _I10_OUTPUT_test {
  75     long double d;
  76     int size;
  77     int flags;
  78
  79     I10_OUTPUT_data out;
  80     int ret;
  81     const char *remain;
  82 } I10_OUTPUT_test;
  83
  84 static const I10_OUTPUT_test I10_OUTPUT_tests[] = {
  85     /* arg3 = 0 */
  86     { 0.0, 10, 0, {0, ' ', 1, "0"}, 1, "" },
  87     { 1.0, 10, 0, {1, ' ', 1, "1"}, 1, "000000009" },
  88     { -1.0, 10, 0, {1, '-', 1, "1"}, 1, "000000009" },
  89     { 1.23, 10, 0, {1, ' ', 3, "123"}, 1, "0000009" },
  90     { 1e13, 10, 0, {14, ' ', 1, "1"}, 1, "000000009" },
  91     { 1e30, 30, 0, {31, ' ', 21, "100000000000000001988"}, 1, "" },
  92     { 1e-13, 10, 0, {-12, ' ', 1, "1"}, 1, "000000000" },
  93     { 0.25, 10, 0, {0, ' ', 2, "25"}, 1, "00000000" },
  94     { 1.0000001, 10, 0, {1, ' ', 8, "10000001"}, 1, "00" },
  95     /* arg3 = 1 */
  96     { 0.0, 10, 1, {0, ' ', 1, "0"}, 1, "" },
  97     { 1.0, 10, 1, {1, ' ', 1, "1"}, 1, "0000000009" },
  98     { -1.0, 10, 1, {1, '-', 1, "1"}, 1, "0000000009" },
  99     { 1.23, 10, 1, {1, ' ', 3, "123"}, 1, "00000009" },
 100     { 1e13, 10, 1, {14, ' ', 1, "1"}, 1, "00000000000000000009" },
 101     { 1e30, 30, 1, {31, ' ', 21, "100000000000000001988"}, 1, "" },
 102     { 1e-13, 10, 1, {0, ' ', 1, "0"}, 1, "" },
 103     { 1e-7, 10, 1, {-6, ' ', 1, "1"}, 1, "09" },
 104     { 0.25, 10, 1, {0, ' ', 2, "25"}, 1, "00000000" },
 105     { 1.0000001, 10, 1, {1, ' ', 8, "10000001"}, 1, "000" },
 106     /* too small buffer */
 107     { 0.0, 0, 0, {0, ' ', 1, "0"}, 1, "" },
 108     { 0.0, 0, 1, {0, ' ', 1, "0"}, 1, "" },
 109     { 123.0, 2, 0, {3, ' ', 2, "12"}, 1, "" },
 110     { 123.0, 0, 0, {0, ' ', 1, "0"}, 1, "" },
 111     { 123.0, 2, 1, {3, ' ', 3, "123"}, 1, "09" },
 112     { 0.99, 1, 0, {1, ' ', 1, "1"}, 1, "" },
 113     { 1264567.0, 2, 0, {7, ' ', 2, "13"}, 1, "" },
 114     { 1264567.0, 2, 1, {7, ' ', 7, "1264567"}, 1, "00" },
 115     { 1234567891.0, 2, 1, {10, ' ', 10, "1234567891"}, 1, "09" }
 116 };
 117
 118 static void test_I10_OUTPUT(void)
 119 {
 120     I10_OUTPUT_data out;
 121     int i, j = sizeof(long double), ret;
 122
 123     if(!pI10_OUTPUT) {
 124         win_skip("I10_OUTPUT not available\n");
 125         return;
 126     }
 127     if (j != 12)
 128         trace("sizeof(long double) = %d on this machine\n", j);
 129
 130     for(i=0; i<sizeof(I10_OUTPUT_tests)/sizeof(I10_OUTPUT_test); i++) {
 131         memset(out.str, '#', sizeof(out.str));
 132
 133         if (sizeof(long double) == 12)
 134             ret = pI10_OUTPUT(I10_OUTPUT_tests[i].d, I10_OUTPUT_tests[i].size, I10_OUTPUT_tests[i].flags, &out);
 135         else {
 136             /* MS' "long double" is an 80 bit FP that takes 12 bytes*/
 137             typedef struct { ULONG x80[3]; } uld; /* same calling convention */
 138             union { long double ld; uld ld12; } fp80;
 139             int (__cdecl *pI10_OUTPUT12)(uld, int, int, void*) = (void*)pI10_OUTPUT;
 140             fp80.ld = I10_OUTPUT_tests[i].d;
 141             ret = pI10_OUTPUT12(fp80.ld12, I10_OUTPUT_tests[i].size, I10_OUTPUT_tests[i].flags, &out);
 142         }
 143         ok(ret == I10_OUTPUT_tests[i].ret, "%d: ret = %d\n", i, ret);
 144         ok(out.pos == I10_OUTPUT_tests[i].out.pos, "%d: out.pos = %hd\n", i, out.pos);
 145         ok(out.sign == I10_OUTPUT_tests[i].out.sign, "%d: out.size = %c\n", i, out.sign);
 146         ok(out.len == I10_OUTPUT_tests[i].out.len, "%d: out.len = %d\n", i, (int)out.len);
 147         ok(!strcmp(out.str, I10_OUTPUT_tests[i].out.str), "%d: out.str = %s\n", i, out.str);
 148
 149         j = strlen(I10_OUTPUT_tests[i].remain);
 150         if(j && I10_OUTPUT_tests[i].remain[j-1]=='9')
 151             todo_wine ok(!strncmp(out.str+out.len+1, I10_OUTPUT_tests[i].remain, j),
 152                     "%d: &out.str[%d] = %.25s...\n", i, out.len+1, out.str+out.len+1);
 153         else
 154             ok(!strncmp(out.str+out.len+1, I10_OUTPUT_tests[i].remain, j),
 155                     "%d: &out.str[%d] = %.25s...\n", i, out.len+1, out.str+out.len+1);
 156
 157
 158         for(j=out.len+strlen(I10_OUTPUT_tests[i].remain)+1; j<sizeof(out.str); j++)
 159             if(out.str[j] != '#')
 160                 ok(0, "%d: out.str[%d] = %c (expected \'#\')\n", i, j, out.str[j]);
 161     }
 162 }
 163
 164 static void test_strerror_s(void)
 165 {
 166     int ret;
 167     char buf[256];
 168
 169     if (!pstrerror_s)
 170     {
 171         win_skip("strerror_s is not available\n");
 172         return;
 173     }
 174
 175     errno = EBADF;
 176     ret = pstrerror_s(NULL, 0, 0);
 177     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 178     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 179
 180     errno = EBADF;
 181     ret = pstrerror_s(NULL, sizeof(buf), 0);
 182     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 183     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 184
 185     memset(buf, 'X', sizeof(buf));
 186     errno = EBADF;
 187     ret = pstrerror_s(buf, 0, 0);
 188     ok(ret == EINVAL, "Expected strerror_s to return EINVAL, got %d\n", ret);
 189     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 190     ok(buf[0] == 'X', "Expected output buffer to be untouched\n");
 191
 192     memset(buf, 'X', sizeof(buf));
 193     ret = pstrerror_s(buf, 1, 0);
 194     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 195     ok(strlen(buf) == 0, "Expected output buffer to be null terminated\n");
 196
 197     memset(buf, 'X', sizeof(buf));
 198     ret = pstrerror_s(buf, 2, 0);
 199     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 200     ok(strlen(buf) == 1, "Expected output buffer to be truncated\n");
 201
 202     memset(buf, 'X', sizeof(buf));
 203     ret = pstrerror_s(buf, sizeof(buf), 0);
 204     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 205
 206     memset(buf, 'X', sizeof(buf));
 207     ret = pstrerror_s(buf, sizeof(buf), -1);
 208     ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
 209 }
 210
 211 static void test__get_doserrno(void)
 212 {
 213     int ret, out;
 214
 215     if (!p_get_doserrno)
 216     {
 217         win_skip("_get_doserrno is not available\n");
 218         return;
 219     }
 220
 221     _doserrno = ERROR_INVALID_CMM;
 222     errno = EBADF;
 223     ret = p_get_doserrno(NULL);
 224     ok(ret == EINVAL, "Expected _get_doserrno to return EINVAL, got %d\n", ret);
 225     ok(_doserrno == ERROR_INVALID_CMM, "Expected _doserrno to be ERROR_INVALID_CMM, got %d\n", _doserrno);
 226     ok(errno == EBADF, "Expected errno to be EBADF, got %d\n", errno);
 227
 228     _doserrno = ERROR_INVALID_CMM;
 229     errno = EBADF;
 230     out = 0xdeadbeef;
 231     ret = p_get_doserrno(&out);
 232     ok(ret == 0, "Expected _get_doserrno to return 0, got %d\n", ret);
 233     ok(out == ERROR_INVALID_CMM, "Expected output variable to be ERROR_INVAID_CMM, got %d\n", out);
 234 }
 235
 236 static void test__get_errno(void)
 237 {
 238     int ret, out;
 239
 240     if (!p_get_errno)
 241     {
 242         win_skip("_get_errno is not available\n");
 243         return;
 244     }
 245
 246     errno = EBADF;
 247     ret = p_get_errno(NULL);
 248     ok(ret == EINVAL, "Expected _get_errno to return EINVAL, got %d\n", ret);
 249     ok(errno == EBADF, "Expected errno to be EBADF, got %d\n", errno);
 250
 251     errno = EBADF;
 252     out = 0xdeadbeef;
 253     ret = p_get_errno(&out);
 254     ok(ret == 0, "Expected _get_errno to return 0, got %d\n", ret);
 255     ok(out == EBADF, "Expected output variable to be EBADF, got %d\n", out);
 256 }
 257
 258 static void test__set_doserrno(void)
 259 {
 260     int ret;
 261
 262     if (!p_set_doserrno)
 263     {
 264         win_skip("_set_doserrno is not available\n");
 265         return;
 266     }
 267
 268     _doserrno = ERROR_INVALID_CMM;
 269     ret = p_set_doserrno(ERROR_FILE_NOT_FOUND);
 270     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 271     ok(_doserrno == ERROR_FILE_NOT_FOUND,
 272        "Expected _doserrno to be ERROR_FILE_NOT_FOUND, got %d\n", _doserrno);
 273
 274     _doserrno = ERROR_INVALID_CMM;
 275     ret = p_set_doserrno(-1);
 276     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 277     ok(_doserrno == -1,
 278        "Expected _doserrno to be -1, got %d\n", _doserrno);
 279
 280     _doserrno = ERROR_INVALID_CMM;
 281     ret = p_set_doserrno(0xdeadbeef);
 282     ok(ret == 0, "Expected _set_doserrno to return 0, got %d\n", ret);
 283     ok(_doserrno == 0xdeadbeef,
 284        "Expected _doserrno to be 0xdeadbeef, got %d\n", _doserrno);
 285 }
 286
 287 static void test__set_errno(void)
 288 {
 289     int ret;
 290
 291     if (!p_set_errno)
 292     {
 293         win_skip("_set_errno is not available\n");
 294         return;
 295     }
 296
 297     errno = EBADF;
 298     ret = p_set_errno(EINVAL);
 299     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 300     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 301
 302     errno = EBADF;
 303     ret = p_set_errno(-1);
 304     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 305     ok(errno == -1, "Expected errno to be -1, got %d\n", errno);
 306
 307     errno = EBADF;
 308     ret = p_set_errno(0xdeadbeef);
 309     ok(ret == 0, "Expected _set_errno to return 0, got %d\n", ret);
 310     ok(errno == 0xdeadbeef, "Expected errno to be 0xdeadbeef, got %d\n", errno);
 311 }
 312
 313 static void test__popen_child(void)
 314 {
 315     /* don't execute any tests here */
 316     /* ExitProcess is used to set return code of _pclose */
 317     printf("child output\n");
 318     ExitProcess(0x37);
 319 }
 320
 321 static void test__popen(const char *name)
 322 {
 323     FILE *pipe;
 324     char buf[1024];
 325     int ret;
 326
 327     sprintf(buf, "%s misc popen", name);
 328     pipe = _popen(buf, "r");
 329     ok(pipe != NULL, "_popen failed with error: %d\n", errno);
 330
 331     fgets(buf, sizeof(buf), pipe);
 332     ok(!strcmp(buf, "child output\n"), "buf = %s\n", buf);
 333
 334     ret = _pclose(pipe);
 335     ok(ret == 0x37, "_pclose returned %x, expected 0x37\n", ret);
 336
 337     errno = 0xdeadbeef;
 338     ret = _pclose((FILE*)0xdeadbeef);
 339     ok(ret == -1, "_pclose returned %x, expected -1\n", ret);
 340     if(p_set_errno)
 341         ok(errno == EBADF, "errno = %d\n", errno);
 342 }
 343
 344 START_TEST(misc)
 345 {
 346     int arg_c;
 347     char** arg_v;
 348
 349     init();
 350
 351     arg_c = winetest_get_mainargs(&arg_v);
 352     if(arg_c >= 3) {
 353         if(!strcmp(arg_v[2], "popen"))
 354             test__popen_child();
 355         else
 356             ok(0, "invalid argument '%s'\n", arg_v[2]);
 357
 358         return;
 359     }
 360
 361     test_rand_s();
 362     test_I10_OUTPUT();
 363     test_strerror_s();
 364     test__get_doserrno();
 365     test__get_errno();
 366     test__set_doserrno();
 367     test__set_errno();
 368     test__popen(arg_v[0]);
 369 }