dlls/msvcrt/tests/time.c

   1 /*
   2  * Unit test suite for time functions.
   3  *
   4  * Copyright 2004 Uwe Bonnes
   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 "winnls.h"
  24 #include "time.h"
  25
  26 #include <stdlib.h> /*setenv*/
  27 #include <stdio.h> /*printf*/
  28 #include <locale.h>
  29 #include <errno.h>
  30
  31 #define _MAX__TIME64_T     (((__time64_t)0x00000007 << 32) | 0x93406FFF)
  32
  33 #define SECSPERDAY         86400
  34 #define SECSPERHOUR        3600
  35 #define SECSPERMIN         60
  36 #define MINSPERHOUR        60
  37 #define HOURSPERDAY        24
  38
  39 static __time32_t (__cdecl *p_mkgmtime32)(struct tm*);
  40 static struct tm* (__cdecl *p_gmtime32)(__time32_t*);
  41 static struct tm* (__cdecl *p_gmtime)(time_t*);
  42 static errno_t    (__cdecl *p_gmtime32_s)(struct tm*, __time32_t*);
  43 static errno_t    (__cdecl *p_strtime_s)(char*,size_t);
  44 static errno_t    (__cdecl *p_strdate_s)(char*,size_t);
  45 static errno_t    (__cdecl *p_localtime32_s)(struct tm*, __time32_t*);
  46 static errno_t    (__cdecl *p_localtime64_s)(struct tm*, __time64_t*);
  47 static int*       (__cdecl *p__daylight)(void);
  48 static int*       (__cdecl *p___p__daylight)(void);
  49 static size_t     (__cdecl *p_strftime)(char *, size_t, const char *, const struct tm *);
  50 static size_t     (__cdecl *p_wcsftime)(wchar_t *, size_t, const wchar_t *, const struct tm *);
  51
  52 static void init(void)
  53 {
  54     HMODULE hmod = LoadLibrary("msvcrt.dll");
  55
  56     p_gmtime32 = (void*)GetProcAddress(hmod, "_gmtime32");
  57     p_gmtime = (void*)GetProcAddress(hmod, "gmtime");
  58     p_gmtime32_s = (void*)GetProcAddress(hmod, "_gmtime32_s");
  59     p_mkgmtime32 = (void*)GetProcAddress(hmod, "_mkgmtime32");
  60     p_strtime_s = (void*)GetProcAddress(hmod, "_strtime_s");
  61     p_strdate_s = (void*)GetProcAddress(hmod, "_strdate_s");
  62     p_localtime32_s = (void*)GetProcAddress(hmod, "_localtime32_s");
  63     p_localtime64_s = (void*)GetProcAddress(hmod, "_localtime64_s");
  64     p__daylight = (void*)GetProcAddress(hmod, "__daylight");
  65     p___p__daylight = (void*)GetProcAddress(hmod, "__p__daylight");
  66     p_strftime = (void*)GetProcAddress(hmod, "strftime");
  67     p_wcsftime = (void*)GetProcAddress(hmod, "wcsftime");
  68 }
  69
  70 static int get_test_year(time_t *start)
  71 {
  72     time_t now = time(NULL);
  73     struct tm *tm = localtime(&now);
  74
  75     /* compute start of year in seconds */
  76     *start = SECSPERDAY * ((tm->tm_year - 70) * 365 +
  77                            (tm->tm_year - 69) / 4 -
  78                            (tm->tm_year - 1) / 100 +
  79                            (tm->tm_year + 299) / 400);
  80     return tm->tm_year;
  81 }
  82
  83 static void test_ctime(void)
  84 {
  85     time_t badtime = -1;
  86     char* ret;
  87     ret = ctime(&badtime);
  88     ok(ret == NULL, "expected ctime to return NULL, got %s\n", ret);
  89 }
  90 static void test_gmtime(void)
  91 {
  92     __time32_t valid, gmt;
  93     struct tm* gmt_tm, gmt_tm_s;
  94     errno_t err;
  95
  96     if(!p_gmtime32) {
  97         win_skip("Skipping _gmtime32 tests\n");
  98         return;
  99     }
 100
 101     gmt_tm = p_gmtime32(NULL);
 102     ok(gmt_tm == NULL, "gmt_tm != NULL\n");
 103
 104     gmt = -1;
 105     gmt_tm = p_gmtime32(&gmt);
 106     ok(gmt_tm == NULL, "gmt_tm != NULL\n");
 107
 108     gmt = valid = 0;
 109     gmt_tm = p_gmtime32(&gmt);
 110     if(!gmt_tm) {
 111         ok(0, "_gmtime32() failed\n");
 112         return;
 113     }
 114
 115     ok(((gmt_tm->tm_year == 70) && (gmt_tm->tm_mon  == 0) && (gmt_tm->tm_yday  == 0) &&
 116                 (gmt_tm->tm_mday ==  1) && (gmt_tm->tm_wday == 4) && (gmt_tm->tm_hour  == 0) &&
 117                 (gmt_tm->tm_min  ==  0) && (gmt_tm->tm_sec  == 0) && (gmt_tm->tm_isdst == 0)),
 118             "Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
 119             gmt_tm->tm_year, gmt_tm->tm_mon, gmt_tm->tm_yday, gmt_tm->tm_mday, gmt_tm->tm_wday,
 120             gmt_tm->tm_hour, gmt_tm->tm_min, gmt_tm->tm_sec, gmt_tm->tm_isdst);
 121
 122     if(!p_mkgmtime32) {
 123         win_skip("Skipping _mkgmtime32 tests\n");
 124         return;
 125     }
 126
 127     gmt_tm->tm_wday = gmt_tm->tm_yday = 0;
 128     gmt = p_mkgmtime32(gmt_tm);
 129     ok(gmt == valid, "gmt = %u\n", gmt);
 130     ok(gmt_tm->tm_wday == 4, "gmt_tm->tm_wday = %d\n", gmt_tm->tm_wday);
 131     ok(gmt_tm->tm_yday == 0, "gmt_tm->tm_yday = %d\n", gmt_tm->tm_yday);
 132
 133     gmt_tm->tm_wday = gmt_tm->tm_yday = 0;
 134     gmt_tm->tm_isdst = -1;
 135     gmt = p_mkgmtime32(gmt_tm);
 136     ok(gmt == valid, "gmt = %u\n", gmt);
 137     ok(gmt_tm->tm_wday == 4, "gmt_tm->tm_wday = %d\n", gmt_tm->tm_wday);
 138     ok(gmt_tm->tm_yday == 0, "gmt_tm->tm_yday = %d\n", gmt_tm->tm_yday);
 139
 140     gmt_tm->tm_wday = gmt_tm->tm_yday = 0;
 141     gmt_tm->tm_isdst = 1;
 142     gmt = p_mkgmtime32(gmt_tm);
 143     ok(gmt == valid, "gmt = %u\n", gmt);
 144     ok(gmt_tm->tm_wday == 4, "gmt_tm->tm_wday = %d\n", gmt_tm->tm_wday);
 145     ok(gmt_tm->tm_yday == 0, "gmt_tm->tm_yday = %d\n", gmt_tm->tm_yday);
 146
 147     gmt = valid = 173921;
 148     gmt_tm = p_gmtime32(&gmt);
 149     if(!gmt_tm) {
 150         ok(0, "_gmtime32() failed\n");
 151         return;
 152     }
 153
 154     gmt_tm->tm_isdst = -1;
 155     gmt = p_mkgmtime32(gmt_tm);
 156     ok(gmt == valid, "gmt = %u\n", gmt);
 157     ok(gmt_tm->tm_wday == 6, "gmt_tm->tm_wday = %d\n", gmt_tm->tm_wday);
 158     ok(gmt_tm->tm_yday == 2, "gmt_tm->tm_yday = %d\n", gmt_tm->tm_yday);
 159
 160     gmt_tm->tm_isdst = 1;
 161     gmt = p_mkgmtime32(gmt_tm);
 162     ok(gmt == valid, "gmt = %u\n", gmt);
 163
 164     if(!p_gmtime32_s) {
 165         win_skip("Skipping _gmtime32_s tests\n");
 166         return;
 167     }
 168
 169     errno = 0;
 170     gmt = 0;
 171     err = p_gmtime32_s(NULL, &gmt);
 172     ok(err == EINVAL, "err = %d\n", err);
 173     ok(errno == EINVAL, "errno = %d\n", errno);
 174
 175     errno = 0;
 176     gmt = -1;
 177     err = p_gmtime32_s(&gmt_tm_s, &gmt);
 178     ok(err == EINVAL, "err = %d\n", err);
 179     ok(errno == EINVAL, "errno = %d\n", errno);
 180     ok(gmt_tm_s.tm_year == -1, "tm_year = %d\n", gmt_tm_s.tm_year);
 181 }
 182
 183 static void test_mktime(void)
 184 {
 185     TIME_ZONE_INFORMATION tzinfo;
 186     DWORD res =  GetTimeZoneInformation(&tzinfo);
 187     struct tm my_tm, sav_tm;
 188     time_t nulltime, local_time;
 189     char TZ_env[256];
 190     char buffer[64];
 191     int year;
 192     time_t ref, secs;
 193
 194     year = get_test_year( &ref );
 195     ref += SECSPERDAY;
 196
 197     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
 198     WideCharToMultiByte( CP_ACP, 0, tzinfo.StandardName, -1, buffer, sizeof(buffer), NULL, NULL );
 199     trace( "bias %d std %d dst %d zone %s\n",
 200            tzinfo.Bias, tzinfo.StandardBias, tzinfo.DaylightBias, buffer );
 201     /* Bias may be positive or negative, to use offset of one day */
 202     my_tm = *localtime(&ref);  /* retrieve current dst flag */
 203     secs = SECSPERDAY - tzinfo.Bias * SECSPERMIN;
 204     secs -= (my_tm.tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
 205     my_tm.tm_mday = 1 + secs/SECSPERDAY;
 206     secs = secs % SECSPERDAY;
 207     my_tm.tm_hour = secs / SECSPERHOUR;
 208     secs = secs % SECSPERHOUR;
 209     my_tm.tm_min = secs / SECSPERMIN;
 210     secs = secs % SECSPERMIN;
 211     my_tm.tm_sec = secs;
 212
 213     my_tm.tm_year = year;
 214     my_tm.tm_mon  =  0;
 215
 216     sav_tm = my_tm;
 217
 218     local_time = mktime(&my_tm);
 219     ok(local_time == ref, "mktime returned %u, expected %u\n",
 220        (DWORD)local_time, (DWORD)ref);
 221     /* now test some unnormalized struct tm's */
 222     my_tm = sav_tm;
 223     my_tm.tm_sec += 60;
 224     my_tm.tm_min -= 1;
 225     local_time = mktime(&my_tm);
 226     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
 227         (DWORD)local_time, (DWORD)ref);
 228     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 229         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 230         my_tm.tm_sec == sav_tm.tm_sec,
 231             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
 232             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 233             my_tm.tm_hour,my_tm.tm_sec,
 234             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 235             sav_tm.tm_hour,sav_tm.tm_sec);
 236     my_tm = sav_tm;
 237     my_tm.tm_min -= 60;
 238     my_tm.tm_hour += 1;
 239     local_time = mktime(&my_tm);
 240     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
 241        (DWORD)local_time, (DWORD)ref);
 242     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 243         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 244         my_tm.tm_sec == sav_tm.tm_sec,
 245             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
 246             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 247             my_tm.tm_hour,my_tm.tm_sec,
 248             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 249             sav_tm.tm_hour,sav_tm.tm_sec);
 250     my_tm = sav_tm;
 251     my_tm.tm_mon -= 12;
 252     my_tm.tm_year += 1;
 253     local_time = mktime(&my_tm);
 254     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
 255        (DWORD)local_time, (DWORD)ref);
 256     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 257         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 258         my_tm.tm_sec == sav_tm.tm_sec,
 259             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
 260             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 261             my_tm.tm_hour,my_tm.tm_sec,
 262             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 263             sav_tm.tm_hour,sav_tm.tm_sec);
 264     my_tm = sav_tm;
 265     my_tm.tm_mon += 12;
 266     my_tm.tm_year -= 1;
 267     local_time = mktime(&my_tm);
 268     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
 269        (DWORD)local_time, (DWORD)ref);
 270     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 271         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 272         my_tm.tm_sec == sav_tm.tm_sec,
 273             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
 274             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 275             my_tm.tm_hour,my_tm.tm_sec,
 276             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 277             sav_tm.tm_hour,sav_tm.tm_sec);
 278     /* now a bad time example */
 279     my_tm = sav_tm;
 280     my_tm.tm_year = 69;
 281     local_time = mktime(&my_tm);
 282     ok((local_time == -1), "(bad time) mktime returned %d, expected -1\n", (int)local_time);
 283
 284     my_tm = sav_tm;
 285     /* TEST that we are independent from the TZ variable */
 286     /*Argh, msvcrt doesn't have setenv() */
 287     _snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
 288     putenv("TZ=GMT");
 289     nulltime = mktime(&my_tm);
 290     ok(nulltime == ref,"mktime returned 0x%08x\n",(DWORD)nulltime);
 291     putenv(TZ_env);
 292 }
 293
 294 static void test_localtime(void)
 295 {
 296     TIME_ZONE_INFORMATION tzinfo;
 297     DWORD res =  GetTimeZoneInformation(&tzinfo);
 298     time_t gmt, ref;
 299
 300     char TZ_env[256];
 301     struct tm* lt;
 302     int year = get_test_year( &ref );
 303     int is_leap = !(year % 4) && ((year % 100) || !((year + 300) % 400));
 304
 305     gmt = ref + SECSPERDAY + tzinfo.Bias * SECSPERMIN;
 306     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
 307     lt = localtime(&gmt);
 308     gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
 309     lt = localtime(&gmt);
 310     ok(((lt->tm_year == year) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 311         (lt->tm_mday ==  2) && (lt->tm_hour  == 0) &&
 312         (lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
 313        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\n",
 314        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 315        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 316
 317     _snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
 318     putenv("TZ=GMT");
 319     lt = localtime(&gmt);
 320     ok(((lt->tm_year == year) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 321         (lt->tm_mday ==  2) && (lt->tm_hour  == 0) &&
 322         (lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
 323        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\n",
 324        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 325        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 326     putenv(TZ_env);
 327
 328     /* June 22 */
 329     gmt = ref + 202 * SECSPERDAY + tzinfo.Bias * SECSPERMIN;
 330     lt = localtime(&gmt);
 331     gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
 332     lt = localtime(&gmt);
 333     ok(((lt->tm_year == year) && (lt->tm_mon  == 6) && (lt->tm_yday  == 202) &&
 334         (lt->tm_mday == 22 - is_leap) && (lt->tm_hour  == 0) &&
 335         (lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
 336        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\n",
 337        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 338        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 339 }
 340
 341 static void test_strdate(void)
 342 {
 343     char date[16], * result;
 344     int month, day, year, count, len;
 345     errno_t err;
 346
 347     result = _strdate(date);
 348     ok(result == date, "Wrong return value\n");
 349     len = strlen(date);
 350     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 351     count = sscanf(date, "%02d/%02d/%02d", &month, &day, &year);
 352     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 353
 354     if(!p_strdate_s) {
 355         win_skip("Skipping _strdate_s tests\n");
 356         return;
 357     }
 358
 359     errno = 0;
 360     err = p_strdate_s(NULL, 1);
 361     ok(err == EINVAL, "err = %d\n", err);
 362     ok(errno == EINVAL, "errno = %d\n", errno);
 363
 364     date[0] = 'x';
 365     date[1] = 'x';
 366     err = p_strdate_s(date, 8);
 367     ok(err == ERANGE, "err = %d\n", err);
 368     ok(errno == ERANGE, "errno = %d\n", errno);
 369     ok(date[0] == '\0', "date[0] != '\\0'\n");
 370     ok(date[1] == 'x', "date[1] != 'x'\n");
 371
 372     err = p_strdate_s(date, 9);
 373     ok(err == 0, "err = %x\n", err);
 374 }
 375
 376 static void test_strtime(void)
 377 {
 378     char time[16], * result;
 379     int hour, minute, second, count, len;
 380     errno_t err;
 381
 382     result = _strtime(time);
 383     ok(result == time, "Wrong return value\n");
 384     len = strlen(time);
 385     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 386     count = sscanf(time, "%02d:%02d:%02d", &hour, &minute, &second);
 387     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 388
 389     if(!p_strtime_s) {
 390         win_skip("Skipping _strtime_s tests\n");
 391         return;
 392     }
 393
 394     errno = 0;
 395     err = p_strtime_s(NULL, 0);
 396     ok(err == EINVAL, "err = %d\n", err);
 397     ok(errno == EINVAL, "errno = %d\n", errno);
 398
 399     err = p_strtime_s(NULL, 1);
 400     ok(err == EINVAL, "err = %d\n", err);
 401     ok(errno == EINVAL, "errno = %d\n", errno);
 402
 403     time[0] = 'x';
 404     err = p_strtime_s(time, 8);
 405     ok(err == ERANGE, "err = %d\n", err);
 406     ok(errno == ERANGE, "errno = %d\n", errno);
 407     ok(time[0] == '\0', "time[0] != '\\0'\n");
 408
 409     err = p_strtime_s(time, 9);
 410     ok(err == 0, "err = %x\n", err);
 411 }
 412
 413 static void test_wstrdate(void)
 414 {
 415     wchar_t date[16], * result;
 416     int month, day, year, count, len;
 417     wchar_t format[] = { '%','0','2','d','/','%','0','2','d','/','%','0','2','d',0 };
 418
 419     result = _wstrdate(date);
 420     ok(result == date, "Wrong return value\n");
 421     len = wcslen(date);
 422     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 423     count = swscanf(date, format, &month, &day, &year);
 424     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 425 }
 426
 427 static void test_wstrtime(void)
 428 {
 429     wchar_t time[16], * result;
 430     int hour, minute, second, count, len;
 431     wchar_t format[] = { '%','0','2','d',':','%','0','2','d',':','%','0','2','d',0 };
 432
 433     result = _wstrtime(time);
 434     ok(result == time, "Wrong return value\n");
 435     len = wcslen(time);
 436     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 437     count = swscanf(time, format, &hour, &minute, &second);
 438     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 439 }
 440
 441 static void test_localtime32_s(void)
 442 {
 443     struct tm tm;
 444     __time32_t time;
 445     errno_t err;
 446
 447     if (!p_localtime32_s)
 448     {
 449         win_skip("Skipping _localtime32_s tests\n");
 450         return;
 451     }
 452
 453     errno = EBADF;
 454     err = p_localtime32_s(NULL, NULL);
 455     ok(err == EINVAL, "Expected _localtime32_s to return EINVAL, got %d\n", err);
 456     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 457
 458     errno = EBADF;
 459     time = 0x12345678;
 460     err = p_localtime32_s(NULL, &time);
 461     ok(err == EINVAL, "Expected _localtime32_s to return EINVAL, got %d\n", err);
 462     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 463
 464     memset(&tm, 0, sizeof(tm));
 465     errno = EBADF;
 466     err = p_localtime32_s(&tm, NULL);
 467     ok(err == EINVAL, "Expected _localtime32_s to return EINVAL, got %d\n", err);
 468     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 469     ok(tm.tm_sec == -1 && tm.tm_min == -1 && tm.tm_hour == -1 &&
 470        tm.tm_mday == -1 && tm.tm_mon == -1 && tm.tm_year == -1 &&
 471        tm.tm_wday == -1 && tm.tm_yday == -1 && tm.tm_isdst == -1,
 472        "Expected tm structure members to be initialized to -1, got "
 473        "(%d, %d, %d, %d, %d, %d, %d, %d, %d)\n", tm.tm_sec, tm.tm_min,
 474        tm.tm_hour, tm.tm_mday, tm.tm_mon, tm.tm_year, tm.tm_wday, tm.tm_yday,
 475        tm.tm_isdst);
 476
 477     memset(&tm, 0, sizeof(tm));
 478     time = -1;
 479     errno = EBADF;
 480     err = p_localtime32_s(&tm, &time);
 481     ok(err == EINVAL, "Expected _localtime32_s to return EINVAL, got %d\n", err);
 482     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 483     ok(tm.tm_sec == -1 && tm.tm_min == -1 && tm.tm_hour == -1 &&
 484        tm.tm_mday == -1 && tm.tm_mon == -1 && tm.tm_year == -1 &&
 485        tm.tm_wday == -1 && tm.tm_yday == -1 && tm.tm_isdst == -1,
 486        "Expected tm structure members to be initialized to -1, got "
 487        "(%d, %d, %d, %d, %d, %d, %d, %d, %d)\n", tm.tm_sec, tm.tm_min,
 488        tm.tm_hour, tm.tm_mday, tm.tm_mon, tm.tm_year, tm.tm_wday, tm.tm_yday,
 489        tm.tm_isdst);
 490 }
 491
 492 static void test_localtime64_s(void)
 493 {
 494     struct tm tm;
 495     __time64_t time;
 496     errno_t err;
 497
 498     if (!p_localtime64_s)
 499     {
 500         win_skip("Skipping _localtime64_s tests\n");
 501         return;
 502     }
 503
 504     errno = EBADF;
 505     err = p_localtime64_s(NULL, NULL);
 506     ok(err == EINVAL, "Expected _localtime64_s to return EINVAL, got %d\n", err);
 507     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 508
 509     errno = EBADF;
 510     time = 0xdeadbeef;
 511     err = p_localtime64_s(NULL, &time);
 512     ok(err == EINVAL, "Expected _localtime64_s to return EINVAL, got %d\n", err);
 513     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 514
 515     memset(&tm, 0, sizeof(tm));
 516     errno = EBADF;
 517     err = p_localtime64_s(&tm, NULL);
 518     ok(err == EINVAL, "Expected _localtime64_s to return EINVAL, got %d\n", err);
 519     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 520     ok(tm.tm_sec == -1 && tm.tm_min == -1 && tm.tm_hour == -1 &&
 521        tm.tm_mday == -1 && tm.tm_mon == -1 && tm.tm_year == -1 &&
 522        tm.tm_wday == -1 && tm.tm_yday == -1 && tm.tm_isdst == -1,
 523        "Expected tm structure members to be initialized to -1, got "
 524        "(%d, %d, %d, %d, %d, %d, %d, %d, %d)\n", tm.tm_sec, tm.tm_min,
 525        tm.tm_hour, tm.tm_mday, tm.tm_mon, tm.tm_year, tm.tm_wday, tm.tm_yday,
 526        tm.tm_isdst);
 527
 528     memset(&tm, 0, sizeof(tm));
 529     time = -1;
 530     errno = EBADF;
 531     err = p_localtime64_s(&tm, &time);
 532     ok(err == EINVAL, "Expected _localtime64_s to return EINVAL, got %d\n", err);
 533     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 534     ok(tm.tm_sec == -1 && tm.tm_min == -1 && tm.tm_hour == -1 &&
 535        tm.tm_mday == -1 && tm.tm_mon == -1 && tm.tm_year == -1 &&
 536        tm.tm_wday == -1 && tm.tm_yday == -1 && tm.tm_isdst == -1,
 537        "Expected tm structure members to be initialized to -1, got "
 538        "(%d, %d, %d, %d, %d, %d, %d, %d, %d)\n", tm.tm_sec, tm.tm_min,
 539        tm.tm_hour, tm.tm_mday, tm.tm_mon, tm.tm_year, tm.tm_wday, tm.tm_yday,
 540        tm.tm_isdst);
 541
 542     memset(&tm, 0, sizeof(tm));
 543     time = _MAX__TIME64_T + 1;
 544     errno = EBADF;
 545     err = p_localtime64_s(&tm, &time);
 546     ok(err == EINVAL, "Expected _localtime64_s to return EINVAL, got %d\n", err);
 547     ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);
 548     ok(tm.tm_sec == -1 && tm.tm_min == -1 && tm.tm_hour == -1 &&
 549        tm.tm_mday == -1 && tm.tm_mon == -1 && tm.tm_year == -1 &&
 550        tm.tm_wday == -1 && tm.tm_yday == -1 && tm.tm_isdst == -1,
 551        "Expected tm structure members to be initialized to -1, got "
 552        "(%d, %d, %d, %d, %d, %d, %d, %d, %d)\n", tm.tm_sec, tm.tm_min,
 553        tm.tm_hour, tm.tm_mday, tm.tm_mon, tm.tm_year, tm.tm_wday, tm.tm_yday,
 554        tm.tm_isdst);
 555 }
 556
 557 static void test_daylight(void)
 558 {
 559     int *ret1, *ret2;
 560
 561     if (!p__daylight)
 562     {
 563         win_skip("__daylight() not available\n");
 564         return;
 565     }
 566
 567     if (!p___p__daylight)
 568     {
 569         win_skip("__p__daylight not available\n");
 570         return;
 571     }
 572
 573     ret1 = p__daylight();
 574     ret2 = p___p__daylight();
 575     ok(ret1 && ret1 == ret2, "got %p\n", ret1);
 576 }
 577
 578 static void test_strftime(void)
 579 {
 580     static const wchar_t cW[] = { '%','c',0 };
 581     static const char expected[] = "01/01/70 00:00:00";
 582     time_t gmt;
 583     struct tm* gmt_tm;
 584     char buf[256], bufA[256];
 585     WCHAR bufW[256];
 586     long retA, retW;
 587
 588     if (!p_strftime || !p_wcsftime || !p_gmtime)
 589     {
 590         win_skip("strftime, wcsftime or gmtime is not available\n");
 591         return;
 592     }
 593
 594     setlocale(LC_TIME, "C");
 595
 596     gmt = 0;
 597     gmt_tm = p_gmtime(&gmt);
 598     ok(gmt_tm != NULL, "gmtime failed\n");
 599
 600     retA = strftime(bufA, 256, "%c", gmt_tm);
 601 todo_wine {
 602     ok(retA == 17, "expected 17, got %ld\n", retA);
 603     ok(strcmp(bufA, expected) == 0, "expected %s, got %s\n", expected, bufA);
 604 }
 605     retW = wcsftime(bufW, 256, cW, gmt_tm);
 606 todo_wine
 607     ok(retW == 17, "expected 17, got %ld\n", retW);
 608     ok(retA == retW, "expected %ld, got %ld\n", retA, retW);
 609     buf[0] = 0;
 610     retA = WideCharToMultiByte(CP_ACP, 0, bufW, retW, buf, 256, NULL, NULL);
 611     buf[retA] = 0;
 612     ok(strcmp(bufA, buf) == 0, "expected %s, got %s\n", bufA, buf);
 613 }
 614
 615 START_TEST(time)
 616 {
 617     init();
 618
 619     test_strftime();
 620     test_ctime();
 621     test_gmtime();
 622     test_mktime();
 623     test_localtime();
 624     test_strdate();
 625     test_strtime();
 626     test_wstrdate();
 627     test_wstrtime();
 628     test_localtime32_s();
 629     test_localtime64_s();
 630     test_daylight();
 631 }