Sweden-Number/dlls/msvcrt/tests/time.c

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/*
* Unit test suite for time functions.
*
* Copyright 2004 Uwe Bonnes
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wine/test.h"
#include "winbase.h"
#include "time.h"
#include <stdlib.h> /*setenv*/
#include <stdio.h> /*printf*/
#define SECSPERDAY 86400
#define SECSPERHOUR 3600
#define SECSPERMIN 60
#define MINSPERHOUR 60
#define HOURSPERDAY 24
static void test_gmtime()
{
time_t gmt = (time_t)NULL;
struct tm* gmt_tm = gmtime(&gmt);
if(gmt_tm == 0)
{
ok(0,"gmtime() error\n");
return;
}
ok(((gmt_tm->tm_year == 70) && (gmt_tm->tm_mon == 0) && (gmt_tm->tm_yday == 0) &&
(gmt_tm->tm_mday == 1) && (gmt_tm->tm_wday == 4) && (gmt_tm->tm_hour == 0) &&
(gmt_tm->tm_min == 0) && (gmt_tm->tm_sec == 0) && (gmt_tm->tm_isdst == 0)),
"Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
gmt_tm->tm_year, gmt_tm->tm_mon, gmt_tm->tm_yday, gmt_tm->tm_mday, gmt_tm->tm_wday,
gmt_tm->tm_hour, gmt_tm->tm_min, gmt_tm->tm_sec, gmt_tm->tm_isdst);
}
static void test_mktime()
{
TIME_ZONE_INFORMATION tzinfo;
DWORD res = GetTimeZoneInformation(&tzinfo);
struct tm my_tm;
time_t nulltime, local_time;
char TZ_env[256];
int secs;
ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
/* Bias may be positive or negative, to use offset of one day */
secs= SECSPERDAY - (tzinfo.Bias +
( res == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
( res == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ))) * SECSPERMIN;
my_tm.tm_mday = 1 + secs/SECSPERDAY;
secs = secs % SECSPERDAY;
my_tm.tm_hour = secs / SECSPERHOUR;
secs = secs % SECSPERHOUR;
my_tm.tm_min = secs / SECSPERMIN;
secs = secs % SECSPERMIN;
my_tm.tm_sec = secs;
my_tm.tm_year = 70;
my_tm.tm_mon = 0;
my_tm.tm_isdst= 0;
local_time = mktime(&my_tm);
ok(((DWORD)local_time == SECSPERDAY), "mktime returned 0x%08lx\n",(DWORD)local_time);
2004-08-26 02:31:20 +02:00
/* TEST that we are independent from the TZ variable */
/*Argh, msvcrt doesn't have setenv() */
_snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
putenv("TZ=GMT");
nulltime = mktime(&my_tm);
ok(((DWORD)nulltime == SECSPERDAY),"mktime returned 0x%08lx\n",(DWORD)nulltime);
putenv(TZ_env);
}
static void test_localtime()
{
TIME_ZONE_INFORMATION tzinfo;
DWORD res = GetTimeZoneInformation(&tzinfo);
time_t gmt = (time_t)(SECSPERDAY + (tzinfo.Bias +
( res == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
( res == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ))) * SECSPERMIN);
char TZ_env[256];
struct tm* lt;
ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
lt = localtime(&gmt);
ok(((lt->tm_year == 70) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
(lt->tm_mday == 2) && (lt->tm_wday == 5) && (lt->tm_hour == 0) &&
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst ==
(res == TIME_ZONE_ID_DAYLIGHT))),
"Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
lt->tm_min, lt->tm_sec, lt->tm_isdst);
_snprintf(TZ_env,255,"TZ=%s",(getenv("TZ")?getenv("TZ"):""));
putenv("TZ=GMT");
lt = localtime(&gmt);
ok(((lt->tm_year == 70) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
(lt->tm_mday == 2) && (lt->tm_wday == 5) && (lt->tm_hour == 0) &&
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst ==
(res == TIME_ZONE_ID_DAYLIGHT))),
"Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
lt->tm_min, lt->tm_sec, lt->tm_isdst);
putenv(TZ_env);
}
START_TEST(time)
{
test_gmtime();
test_mktime();
test_localtime();
}