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 "time.h"
  24
  25 #include <stdlib.h> /*setenv*/
  26 #include <stdio.h> /*printf*/
  27
  28 #define SECSPERDAY         86400
  29 #define SECSPERHOUR        3600
  30 #define SECSPERMIN         60
  31 #define MINSPERHOUR        60
  32 #define HOURSPERDAY        24
  33
  34 static void test_gmtime(void)
  35 {
  36     time_t gmt = (time_t)NULL;
  37     struct tm* gmt_tm = gmtime(&gmt);
  38     if(gmt_tm == 0)
  39         {
  40             ok(0,"gmtime() error\n");
  41             return;
  42         }
  43     ok(((gmt_tm->tm_year == 70) && (gmt_tm->tm_mon  == 0) && (gmt_tm->tm_yday  == 0) &&
  44         (gmt_tm->tm_mday ==  1) && (gmt_tm->tm_wday == 4) && (gmt_tm->tm_hour  == 0) &&
  45         (gmt_tm->tm_min  ==  0) && (gmt_tm->tm_sec  == 0) && (gmt_tm->tm_isdst == 0)),
  46        "Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
  47        gmt_tm->tm_year, gmt_tm->tm_mon, gmt_tm->tm_yday, gmt_tm->tm_mday, gmt_tm->tm_wday,
  48        gmt_tm->tm_hour, gmt_tm->tm_min, gmt_tm->tm_sec, gmt_tm->tm_isdst);
  49
  50 }
  51 static void test_mktime(void)
  52 {
  53     TIME_ZONE_INFORMATION tzinfo;
  54     DWORD res =  GetTimeZoneInformation(&tzinfo);
  55     struct tm my_tm, sav_tm;
  56     time_t nulltime, local_time;
  57     char TZ_env[256];
  58     int secs;
  59
  60     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
  61     /* Bias may be positive or negative, to use offset of one day */
  62     secs= SECSPERDAY - tzinfo.Bias * SECSPERMIN;
  63     my_tm.tm_mday = 1 + secs/SECSPERDAY;
  64     secs = secs % SECSPERDAY;
  65     my_tm.tm_hour = secs / SECSPERHOUR;
  66     secs = secs % SECSPERHOUR;
  67     my_tm.tm_min = secs / SECSPERMIN;
  68     secs = secs % SECSPERMIN;
  69     my_tm.tm_sec = secs;
  70
  71     my_tm.tm_year = 70;
  72     my_tm.tm_mon  =  0;
  73     my_tm.tm_isdst=  0;
  74
  75     sav_tm = my_tm;
  76
  77     local_time = mktime(&my_tm);
  78     ok(((DWORD)local_time == SECSPERDAY), "mktime returned 0x%08x\n",(DWORD)local_time);
  79     /* now test some unnormalized struct tm's */
  80     my_tm = sav_tm;
  81     my_tm.tm_sec += 60;
  82     my_tm.tm_min -= 1;
  83     local_time = mktime(&my_tm);
  84     ok(((DWORD)local_time == SECSPERDAY), "Unnormalized mktime returned 0x%08x\n",(DWORD)local_time);
  85     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
  86         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
  87         my_tm.tm_sec == sav_tm.tm_sec
  88             , "mktime returned %3d-%02d-%02d %02d:%02d expected  %3d-%02d-%02d %02d:%02d.\n",
  89             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
  90             my_tm.tm_hour,my_tm.tm_sec,
  91             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
  92             sav_tm.tm_hour,sav_tm.tm_sec);
  93     my_tm = sav_tm;
  94     my_tm.tm_min -= 60;
  95     my_tm.tm_hour += 1;
  96     local_time = mktime(&my_tm);
  97     ok(((DWORD)local_time == SECSPERDAY), "Unnormalized mktime returned 0x%08x\n",(DWORD)local_time);
  98     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
  99         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 100         my_tm.tm_sec == sav_tm.tm_sec
 101             , "mktime returned %3d-%02d-%02d %02d:%02d expected  %3d-%02d-%02d %02d:%02d.\n",
 102             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 103             my_tm.tm_hour,my_tm.tm_sec,
 104             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 105             sav_tm.tm_hour,sav_tm.tm_sec);
 106     my_tm = sav_tm;
 107     my_tm.tm_mon -= 12;
 108     my_tm.tm_year += 1;
 109     local_time = mktime(&my_tm);
 110     ok(((DWORD)local_time == SECSPERDAY), "Unnormalized mktime returned 0x%08x\n",(DWORD)local_time);
 111     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 112         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 113         my_tm.tm_sec == sav_tm.tm_sec
 114             , "mktime returned %3d-%02d-%02d %02d:%02d expected  %3d-%02d-%02d %02d:%02d.\n",
 115             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 116             my_tm.tm_hour,my_tm.tm_sec,
 117             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 118             sav_tm.tm_hour,sav_tm.tm_sec);
 119     my_tm = sav_tm;
 120     my_tm.tm_mon += 12;
 121     my_tm.tm_year -= 1;
 122     local_time = mktime(&my_tm);
 123     ok(((DWORD)local_time == SECSPERDAY), "Unnormalized mktime returned 0x%08x\n",(DWORD)local_time);
 124     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
 125         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
 126         my_tm.tm_sec == sav_tm.tm_sec
 127             , "mktime returned %3d-%02d-%02d %02d:%02d expected  %3d-%02d-%02d %02d:%02d.\n",
 128             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
 129             my_tm.tm_hour,my_tm.tm_sec,
 130             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
 131             sav_tm.tm_hour,sav_tm.tm_sec);
 132     /* now a bad time example */
 133     my_tm = sav_tm;
 134     my_tm.tm_year -= 1;
 135     local_time = mktime(&my_tm);
 136     ok((local_time == -1), "(bad time) mktime returned 0x%08x\n",(DWORD)local_time);
 137
 138     my_tm = sav_tm;
 139     /* TEST that we are independent from the TZ variable */
 140     /*Argh, msvcrt doesn't have setenv() */
 141     _snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
 142     putenv("TZ=GMT");
 143     nulltime = mktime(&my_tm);
 144     ok(((DWORD)nulltime == SECSPERDAY),"mktime returned 0x%08x\n",(DWORD)nulltime);
 145     putenv(TZ_env);
 146 }
 147 static void test_localtime(void)
 148 {
 149     TIME_ZONE_INFORMATION tzinfo;
 150     DWORD res =  GetTimeZoneInformation(&tzinfo);
 151     time_t gmt = (time_t)(SECSPERDAY + tzinfo.Bias * SECSPERMIN);
 152
 153     char TZ_env[256];
 154     struct tm* lt;
 155
 156     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
 157     lt = localtime(&gmt);
 158     ok(((lt->tm_year == 70) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 159         (lt->tm_mday ==  2) && (lt->tm_wday == 5) && (lt->tm_hour  == 0) &&
 160         (lt->tm_min  ==  0) && (lt->tm_sec  == 0) && (lt->tm_isdst == 0)),
 161        "Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour %2d min %2d sec %2d dst %2d\n",
 162        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 163        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 164
 165     _snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
 166     putenv("TZ=GMT");
 167     lt = localtime(&gmt);
 168     ok(((lt->tm_year == 70) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 169         (lt->tm_mday ==  2) && (lt->tm_wday == 5) && (lt->tm_hour  == 0) &&
 170         (lt->tm_min  ==  0) && (lt->tm_sec  == 0) && (lt->tm_isdst == 0)),
 171        "Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour %2d min %2d sec %2d dst %2d\n",
 172        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 173        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 174     putenv(TZ_env);
 175
 176     /* June 22 */
 177     gmt += 201 * SECSPERDAY +
 178         ( res == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
 179         ( res == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 )) * SECSPERMIN;
 180     lt = localtime(&gmt);
 181     ok(((lt->tm_year == 70) && (lt->tm_mon  == 6) && (lt->tm_yday  == 202) &&
 182         (lt->tm_mday == 22) && (lt->tm_wday == 3) && (lt->tm_hour  == 0) &&
 183         (lt->tm_min  ==  0) && (lt->tm_sec  == 0) && (lt->tm_isdst ==
 184                                                       (res == TIME_ZONE_ID_DAYLIGHT))),
 185        "Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour %2d min %2d sec %2d dst %2d\n",
 186        lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
 187        lt->tm_min, lt->tm_sec, lt->tm_isdst);
 188 }
 189 static void test_strdate(void)
 190 {
 191     char date[16], * result;
 192     int month, day, year, count, len;
 193
 194     result = _strdate(date);
 195     ok(result == date, "Wrong return value\n");
 196     len = strlen(date);
 197     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 198     count = sscanf(date, "%02d/%02d/%02d", &month, &day, &year);
 199     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 200 }
 201 static void test_strtime(void)
 202 {
 203     char time[16], * result;
 204     int hour, minute, second, count, len;
 205
 206     result = _strtime(time);
 207     ok(result == time, "Wrong return value\n");
 208     len = strlen(time);
 209     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 210     count = sscanf(time, "%02d:%02d:%02d", &hour, &minute, &second);
 211     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 212 }
 213 static void test_wstrdate(void)
 214 {
 215     wchar_t date[16], * result;
 216     int month, day, year, count, len;
 217     wchar_t format[] = { '%','0','2','d','/','%','0','2','d','/','%','0','2','d',0 };
 218
 219     result = _wstrdate(date);
 220     ok(result == date, "Wrong return value\n");
 221     len = wcslen(date);
 222     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 223     count = swscanf(date, format, &month, &day, &year);
 224     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 225 }
 226 static void test_wstrtime(void)
 227 {
 228     wchar_t time[16], * result;
 229     int hour, minute, second, count, len;
 230     wchar_t format[] = { '%','0','2','d',':','%','0','2','d',':','%','0','2','d',0 };
 231
 232     result = _wstrtime(time);
 233     ok(result == time, "Wrong return value\n");
 234     len = wcslen(time);
 235     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
 236     count = swscanf(time, format, &hour, &minute, &second);
 237     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 238 }
 239
 240 START_TEST(time)
 241 {
 242     test_gmtime();
 243     test_mktime();
 244     test_localtime();
 245     test_strdate();
 246     test_strtime();
 247     test_wstrdate();
 248     test_wstrtime();
 249 }