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., 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)
{
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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;
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/* 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);
}
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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();
}