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glibc/timezone/tst-timezone.c
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/* Copyright (C) 1998-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Andreas Jaeger <aj@suse.de>, 1998. | |
The GNU C 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. | |
The GNU C 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 the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <time.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
int failed = 0; | |
struct test_times | |
{ | |
const char *name; | |
int daylight; | |
int timezone; | |
const char *tzname[2]; | |
}; | |
static const struct test_times tests[] = | |
{ | |
{ "Europe/Amsterdam", 1, -3600, { "CET", "CEST" }}, | |
{ "Europe/Berlin", 1, -3600, { "CET", "CEST" }}, | |
{ "Europe/London", 1, 0, { "GMT", "BST" }}, | |
{ "Universal", 0, 0, {"UTC", "UTC" }}, | |
{ "Australia/Melbourne", 1, -36000, { "EST", "EST" }}, | |
{ "America/Sao_Paulo", 1, 10800, {"BRT", "BRST" }}, | |
{ "America/Chicago", 1, 21600, {"CST", "CDT" }}, | |
{ "America/Indiana/Indianapolis", 1, 18000, {"EST", "EDT" }}, | |
{ "America/Los_Angeles", 1, 28800, {"PST", "PDT" }}, | |
{ "Pacific/Auckland", 1, -43200, { "NZST", "NZDT" }}, | |
{ NULL, 0, 0 } | |
}; | |
/* This string will be used for `putenv' calls. */ | |
char envstring[100]; | |
static void | |
print_tzvars (void) | |
{ | |
printf ("tzname[0]: %s\n", tzname[0]); | |
printf ("tzname[1]: %s\n", tzname[1]); | |
printf ("daylight: %d\n", daylight); | |
printf ("timezone: %ld\n", timezone); | |
} | |
static void | |
check_tzvars (const char *name, int dayl, int timez, const char *const tznam[]) | |
{ | |
int i; | |
if (daylight != dayl) | |
{ | |
printf ("*** Timezone: %s, daylight is: %d but should be: %d\n", | |
name, daylight, dayl); | |
++failed; | |
} | |
if (timezone != timez) | |
{ | |
printf ("*** Timezone: %s, timezone is: %ld but should be: %d\n", | |
name, timezone, timez); | |
++failed; | |
} | |
for (i = 0; i <= 1; ++i) | |
if (strcmp (tzname[i], tznam[i]) != 0) | |
{ | |
printf ("*** Timezone: %s, tzname[%d] is: %s but should be: %s\n", | |
name, i, tzname[i], tznam[i]); | |
++failed; | |
} | |
} | |
static int | |
do_test (void) | |
{ | |
time_t t; | |
const struct test_times *pt; | |
char buf[BUFSIZ]; | |
/* This should be: Fri May 15 01:02:16 1998 (UTC). */ | |
t = 895194136; | |
printf ("We use this date: %s\n", asctime (gmtime (&t))); | |
for (pt = tests; pt->name != NULL; ++pt) | |
{ | |
/* Start with a known state */ | |
printf ("Checking timezone %s\n", pt->name); | |
sprintf (buf, "TZ=%s", pt->name); | |
if (putenv (buf)) | |
{ | |
puts ("putenv failed."); | |
failed = 1; | |
} | |
tzset (); | |
print_tzvars (); | |
check_tzvars (pt->name, pt->daylight, pt->timezone, pt->tzname); | |
/* calling localtime shouldn't make a difference */ | |
localtime (&t); | |
print_tzvars (); | |
check_tzvars (pt->name, pt->daylight, pt->timezone, pt->tzname); | |
} | |
/* From a post of Scott Harrington <seh4@ix.netcom.com> to the timezone | |
mailing list. */ | |
{ | |
struct tm tmBuf = {0, 0, 0, 10, 3, 98, 0, 0, -1}; | |
char buf[200]; | |
strcpy (envstring, "TZ=Europe/London"); | |
putenv (envstring); | |
t = mktime (&tmBuf); | |
snprintf (buf, sizeof (buf), "TZ=%s %jd %d %d %d %d %d %d %d %d %d", | |
getenv ("TZ"), (intmax_t) t, | |
tmBuf.tm_sec, tmBuf.tm_min, tmBuf.tm_hour, | |
tmBuf.tm_mday, tmBuf.tm_mon, tmBuf.tm_year, | |
tmBuf.tm_wday, tmBuf.tm_yday, tmBuf.tm_isdst); | |
fputs (buf, stdout); | |
puts (" should be"); | |
puts ("TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1"); | |
if (strcmp (buf, "TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1") != 0) | |
{ | |
failed = 1; | |
fputs (" FAILED ***", stdout); | |
} | |
} | |
printf("\n"); | |
{ | |
struct tm tmBuf = {0, 0, 0, 10, 3, 98, 0, 0, -1}; | |
char buf[200]; | |
strcpy (envstring, "TZ=GMT"); | |
/* No putenv call needed! */ | |
t = mktime (&tmBuf); | |
snprintf (buf, sizeof (buf), "TZ=%s %jd %d %d %d %d %d %d %d %d %d", | |
getenv ("TZ"), (intmax_t) t, | |
tmBuf.tm_sec, tmBuf.tm_min, tmBuf.tm_hour, | |
tmBuf.tm_mday, tmBuf.tm_mon, tmBuf.tm_year, | |
tmBuf.tm_wday, tmBuf.tm_yday, tmBuf.tm_isdst); | |
fputs (buf, stdout); | |
puts (" should be"); | |
puts ("TZ=GMT 892166400 0 0 0 10 3 98 5 99 0"); | |
if (strcmp (buf, "TZ=GMT 892166400 0 0 0 10 3 98 5 99 0") != 0) | |
{ | |
failed = 1; | |
fputs (" FAILED ***", stdout); | |
} | |
} | |
return failed ? EXIT_FAILURE : EXIT_SUCCESS; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |