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-rw-r--r--test/time/tst-timezone.c169
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diff --git a/test/time/tst-timezone.c b/test/time/tst-timezone.c
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+/* Copyright (C) 1998, 1999, 2000, 2005 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" }},
+ { "Asia/Tokyo", 1, -32400, {"JST", "JDT" }},
+ { "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;
+ }
+}
+
+
+int
+main (int argc, char ** argv)
+{
+ 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 %ld %d %d %d %d %d %d %d %d %d",
+ getenv ("TZ"), 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 %ld %d %d %d %d %d %d %d %d %d",
+ getenv ("TZ"), 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;
+}