dlls/msvcrt/tests/time.c - wine - Git at Google

 /*
  * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "wine/test.h"
 #include "winbase.h"
 #include "winnls.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 int get_test_year(time_t *start)
 {
     time_t now = time(NULL);
     struct tm *tm = localtime(&now);

     /* compute start of year in seconds */
     *start = SECSPERDAY * ((tm->tm_year - 70) * 365 +
                            (tm->tm_year - 69) / 4 -
                            (tm->tm_year - 1) / 100 +
                            (tm->tm_year + 299) / 400);
     return tm->tm_year;
 }

 static void test_ctime(void)
 {
     time_t badtime = -1;
     char* ret;
     ret = ctime(&badtime);
     ok(ret == NULL, "expected ctime to return NULL, got %s\n", ret);
 }
 static void test_gmtime(void)
 {
     time_t gmt = 0;
     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(void)
 {
     TIME_ZONE_INFORMATION tzinfo;
     DWORD res =  GetTimeZoneInformation(&tzinfo);
     struct tm my_tm, sav_tm;
     time_t nulltime, local_time;
     char TZ_env[256];
     char buffer[64];
     int year;
     time_t ref, secs;

     year = get_test_year( &ref );
     ref += SECSPERDAY;

     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
     WideCharToMultiByte( CP_ACP, 0, tzinfo.StandardName, -1, buffer, sizeof(buffer), NULL, NULL );
     trace( "bias %d std %d dst %d zone %s\n",
            tzinfo.Bias, tzinfo.StandardBias, tzinfo.DaylightBias, buffer );
     /* Bias may be positive or negative, to use offset of one day */
     my_tm = *localtime(&ref);  /* retrieve current dst flag */
     secs = SECSPERDAY - tzinfo.Bias * SECSPERMIN;
     secs -= (my_tm.tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * 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 = year;
     my_tm.tm_mon  =  0;

     sav_tm = my_tm;

     local_time = mktime(&my_tm);
     ok(local_time == ref, "mktime returned %u, expected %u\n",
        (DWORD)local_time, (DWORD)ref);
     /* now test some unnormalized struct tm's */
     my_tm = sav_tm;
     my_tm.tm_sec += 60;
     my_tm.tm_min -= 1;
     local_time = mktime(&my_tm);
     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
         (DWORD)local_time, (DWORD)ref);
     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
         my_tm.tm_sec == sav_tm.tm_sec,
             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
             my_tm.tm_hour,my_tm.tm_sec,
             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
             sav_tm.tm_hour,sav_tm.tm_sec);
     my_tm = sav_tm;
     my_tm.tm_min -= 60;
     my_tm.tm_hour += 1;
     local_time = mktime(&my_tm);
     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
        (DWORD)local_time, (DWORD)ref);
     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
         my_tm.tm_sec == sav_tm.tm_sec,
             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
             my_tm.tm_hour,my_tm.tm_sec,
             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
             sav_tm.tm_hour,sav_tm.tm_sec);
     my_tm = sav_tm;
     my_tm.tm_mon -= 12;
     my_tm.tm_year += 1;
     local_time = mktime(&my_tm);
     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
        (DWORD)local_time, (DWORD)ref);
     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
         my_tm.tm_sec == sav_tm.tm_sec,
             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
             my_tm.tm_hour,my_tm.tm_sec,
             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
             sav_tm.tm_hour,sav_tm.tm_sec);
     my_tm = sav_tm;
     my_tm.tm_mon += 12;
     my_tm.tm_year -= 1;
     local_time = mktime(&my_tm);
     ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
        (DWORD)local_time, (DWORD)ref);
     ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
         my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
         my_tm.tm_sec == sav_tm.tm_sec,
             "mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
             my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
             my_tm.tm_hour,my_tm.tm_sec,
             sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
             sav_tm.tm_hour,sav_tm.tm_sec);
     /* now a bad time example */
     my_tm = sav_tm;
     my_tm.tm_year = 69;
     local_time = mktime(&my_tm);
     ok((local_time == -1), "(bad time) mktime returned %d, expected -1\n", (int)local_time);

     my_tm = sav_tm;
     /* 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(nulltime == ref,"mktime returned 0x%08x\n",(DWORD)nulltime);
     putenv(TZ_env);
 }

 static void test_localtime(void)
 {
     TIME_ZONE_INFORMATION tzinfo;
     DWORD res =  GetTimeZoneInformation(&tzinfo);
     time_t gmt, ref;

     char TZ_env[256];
     struct tm* lt;
     int year = get_test_year( &ref );
     int is_leap = !(year % 4) && ((year % 100) || !((year + 300) % 400));

     gmt = ref + SECSPERDAY + tzinfo.Bias * SECSPERMIN;
     ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
     lt = localtime(&gmt);
     gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
     lt = localtime(&gmt);
     ok(((lt->tm_year == year) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 	(lt->tm_mday ==  2) && (lt->tm_hour  == 0) &&
 	(lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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 == year) && (lt->tm_mon  == 0) && (lt->tm_yday  == 1) &&
 	(lt->tm_mday ==  2) && (lt->tm_hour  == 0) &&
 	(lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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);

     /* June 22 */
     gmt = ref + 202 * SECSPERDAY + tzinfo.Bias * SECSPERMIN;
     lt = localtime(&gmt);
     gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
     lt = localtime(&gmt);
     ok(((lt->tm_year == year) && (lt->tm_mon  == 6) && (lt->tm_yday  == 202) &&
 	(lt->tm_mday == 22 - is_leap) && (lt->tm_hour  == 0) &&
 	(lt->tm_min  ==  0) && (lt->tm_sec  == 0)),
        "Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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);
 }

 static void test_strdate(void)
 {
     char date[16], * result;
     int month, day, year, count, len;

     result = _strdate(date);
     ok(result == date, "Wrong return value\n");
     len = strlen(date);
     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
     count = sscanf(date, "%02d/%02d/%02d", &month, &day, &year);
     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 }

 static void test_strtime(void)
 {
     char time[16], * result;
     int hour, minute, second, count, len;

     result = _strtime(time);
     ok(result == time, "Wrong return value\n");
     len = strlen(time);
     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
     count = sscanf(time, "%02d:%02d:%02d", &hour, &minute, &second);
     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 }

 static void test_wstrdate(void)
 {
     wchar_t date[16], * result;
     int month, day, year, count, len;
     wchar_t format[] = { '%','0','2','d','/','%','0','2','d','/','%','0','2','d',0 };

     result = _wstrdate(date);
     ok(result == date, "Wrong return value\n");
     len = wcslen(date);
     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
     count = swscanf(date, format, &month, &day, &year);
     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 }

 static void test_wstrtime(void)
 {
     wchar_t time[16], * result;
     int hour, minute, second, count, len;
     wchar_t format[] = { '%','0','2','d',':','%','0','2','d',':','%','0','2','d',0 };

     result = _wstrtime(time);
     ok(result == time, "Wrong return value\n");
     len = wcslen(time);
     ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
     count = swscanf(time, format, &hour, &minute, &second);
     ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
 }

 START_TEST(time)
 {
     test_ctime();
     test_gmtime();
     test_mktime();
     test_localtime();
     test_strdate();
     test_strtime();
     test_wstrdate();
     test_wstrtime();
 }
	/*
	* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "wine/test.h"
	#include "winbase.h"
	#include "winnls.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 int get_test_year(time_t *start)
	{
	time_t now = time(NULL);
	struct tm *tm = localtime(&now);

	/* compute start of year in seconds */
	start = SECSPERDAY ((tm->tm_year - 70) * 365 +
	(tm->tm_year - 69) / 4 -
	(tm->tm_year - 1) / 100 +
	(tm->tm_year + 299) / 400);
	return tm->tm_year;
	}

	static void test_ctime(void)
	{
	time_t badtime = -1;
	char* ret;
	ret = ctime(&badtime);
	ok(ret == NULL, "expected ctime to return NULL, got %s\n", ret);
	}
	static void test_gmtime(void)
	{
	time_t gmt = 0;
	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(void)
	{
	TIME_ZONE_INFORMATION tzinfo;
	DWORD res = GetTimeZoneInformation(&tzinfo);
	struct tm my_tm, sav_tm;
	time_t nulltime, local_time;
	char TZ_env[256];
	char buffer[64];
	int year;
	time_t ref, secs;

	year = get_test_year( &ref );
	ref += SECSPERDAY;

	ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
	WideCharToMultiByte( CP_ACP, 0, tzinfo.StandardName, -1, buffer, sizeof(buffer), NULL, NULL );
	trace( "bias %d std %d dst %d zone %s\n",
	tzinfo.Bias, tzinfo.StandardBias, tzinfo.DaylightBias, buffer );
	/* Bias may be positive or negative, to use offset of one day */
	my_tm = localtime(&ref); / retrieve current dst flag */
	secs = SECSPERDAY - tzinfo.Bias * SECSPERMIN;
	secs -= (my_tm.tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * 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 = year;
	my_tm.tm_mon = 0;

	sav_tm = my_tm;

	local_time = mktime(&my_tm);
	ok(local_time == ref, "mktime returned %u, expected %u\n",
	(DWORD)local_time, (DWORD)ref);
	/* now test some unnormalized struct tm's */
	my_tm = sav_tm;
	my_tm.tm_sec += 60;
	my_tm.tm_min -= 1;
	local_time = mktime(&my_tm);
	ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
	(DWORD)local_time, (DWORD)ref);
	ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
	my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
	my_tm.tm_sec == sav_tm.tm_sec,
	"mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
	my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
	my_tm.tm_hour,my_tm.tm_sec,
	sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
	sav_tm.tm_hour,sav_tm.tm_sec);
	my_tm = sav_tm;
	my_tm.tm_min -= 60;
	my_tm.tm_hour += 1;
	local_time = mktime(&my_tm);
	ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
	(DWORD)local_time, (DWORD)ref);
	ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
	my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
	my_tm.tm_sec == sav_tm.tm_sec,
	"mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
	my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
	my_tm.tm_hour,my_tm.tm_sec,
	sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
	sav_tm.tm_hour,sav_tm.tm_sec);
	my_tm = sav_tm;
	my_tm.tm_mon -= 12;
	my_tm.tm_year += 1;
	local_time = mktime(&my_tm);
	ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
	(DWORD)local_time, (DWORD)ref);
	ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
	my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
	my_tm.tm_sec == sav_tm.tm_sec,
	"mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
	my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
	my_tm.tm_hour,my_tm.tm_sec,
	sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
	sav_tm.tm_hour,sav_tm.tm_sec);
	my_tm = sav_tm;
	my_tm.tm_mon += 12;
	my_tm.tm_year -= 1;
	local_time = mktime(&my_tm);
	ok(local_time == ref, "Unnormalized mktime returned %u, expected %u\n",
	(DWORD)local_time, (DWORD)ref);
	ok( my_tm.tm_year == sav_tm.tm_year && my_tm.tm_mon == sav_tm.tm_mon &&
	my_tm.tm_mday == sav_tm.tm_mday && my_tm.tm_hour == sav_tm.tm_hour &&
	my_tm.tm_sec == sav_tm.tm_sec,
	"mktime returned %2d-%02d-%02d %02d:%02d expected %2d-%02d-%02d %02d:%02d\n",
	my_tm.tm_year,my_tm.tm_mon,my_tm.tm_mday,
	my_tm.tm_hour,my_tm.tm_sec,
	sav_tm.tm_year,sav_tm.tm_mon,sav_tm.tm_mday,
	sav_tm.tm_hour,sav_tm.tm_sec);
	/* now a bad time example */
	my_tm = sav_tm;
	my_tm.tm_year = 69;
	local_time = mktime(&my_tm);
	ok((local_time == -1), "(bad time) mktime returned %d, expected -1\n", (int)local_time);

	my_tm = sav_tm;
	/* 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(nulltime == ref,"mktime returned 0x%08x\n",(DWORD)nulltime);
	putenv(TZ_env);
	}

	static void test_localtime(void)
	{
	TIME_ZONE_INFORMATION tzinfo;
	DWORD res = GetTimeZoneInformation(&tzinfo);
	time_t gmt, ref;

	char TZ_env[256];
	struct tm* lt;
	int year = get_test_year( &ref );
	int is_leap = !(year % 4) && ((year % 100) \|\| !((year + 300) % 400));

	gmt = ref + SECSPERDAY + tzinfo.Bias * SECSPERMIN;
	ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
	lt = localtime(&gmt);
	gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
	lt = localtime(&gmt);
	ok(((lt->tm_year == year) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
	(lt->tm_mday == 2) && (lt->tm_hour == 0) &&
	(lt->tm_min == 0) && (lt->tm_sec == 0)),
	"Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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 == year) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
	(lt->tm_mday == 2) && (lt->tm_hour == 0) &&
	(lt->tm_min == 0) && (lt->tm_sec == 0)),
	"Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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);

	/* June 22 */
	gmt = ref + 202 * SECSPERDAY + tzinfo.Bias * SECSPERMIN;
	lt = localtime(&gmt);
	gmt += (lt->tm_isdst ? tzinfo.DaylightBias : tzinfo.StandardBias) * SECSPERMIN;
	lt = localtime(&gmt);
	ok(((lt->tm_year == year) && (lt->tm_mon == 6) && (lt->tm_yday == 202) &&
	(lt->tm_mday == 22 - is_leap) && (lt->tm_hour == 0) &&
	(lt->tm_min == 0) && (lt->tm_sec == 0)),
	"Wrong date:Year %d mon %d yday %d mday %d wday %d hour %d min %d sec %d dst %d\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);
	}

	static void test_strdate(void)
	{
	char date[16], * result;
	int month, day, year, count, len;

	result = _strdate(date);
	ok(result == date, "Wrong return value\n");
	len = strlen(date);
	ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
	count = sscanf(date, "%02d/%02d/%02d", &month, &day, &year);
	ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
	}

	static void test_strtime(void)
	{
	char time[16], * result;
	int hour, minute, second, count, len;

	result = _strtime(time);
	ok(result == time, "Wrong return value\n");
	len = strlen(time);
	ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
	count = sscanf(time, "%02d:%02d:%02d", &hour, &minute, &second);
	ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
	}

	static void test_wstrdate(void)
	{
	wchar_t date[16], * result;
	int month, day, year, count, len;
	wchar_t format[] = { '%','0','2','d','/','%','0','2','d','/','%','0','2','d',0 };

	result = _wstrdate(date);
	ok(result == date, "Wrong return value\n");
	len = wcslen(date);
	ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
	count = swscanf(date, format, &month, &day, &year);
	ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
	}

	static void test_wstrtime(void)
	{
	wchar_t time[16], * result;
	int hour, minute, second, count, len;
	wchar_t format[] = { '%','0','2','d',':','%','0','2','d',':','%','0','2','d',0 };

	result = _wstrtime(time);
	ok(result == time, "Wrong return value\n");
	len = wcslen(time);
	ok(len == 8, "Wrong length: returned %d, should be 8\n", len);
	count = swscanf(time, format, &hour, &minute, &second);
	ok(count == 3, "Wrong format: count = %d, should be 3\n", count);
	}

	START_TEST(time)
	{
	test_ctime();
	test_gmtime();
	test_mktime();
	test_localtime();
	test_strdate();
	test_strtime();
	test_wstrdate();
	test_wstrtime();
	}