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-rw-r--r--timezone/tst-timezone.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/timezone/tst-timezone.c b/timezone/tst-timezone.c
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+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int failed = 0;
+
+struct test_times
+{
+ const char *name;
+ int daylight;
+ int timezone;
+};
+
+static const struct test_times tests[] =
+{
+ { "Europe/Berlin", 1, -3600 },
+ { "Universal", 0, 0 },
+ { "Australia/Melbourne", 1, -36000 },
+ { "America/Sao_Paulo", 1, 10800 },
+ { NULL, 0, 0 }
+};
+
+
+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);
+}
+
+
+void
+check_tzvars (const char *name, int dayl, int timez)
+{
+ 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;
+ }
+}
+
+
+int
+main (int argc, char ** argv)
+{
+ time_t t;
+ const struct test_times *pt;
+ char buf[BUFSIZ];
+
+ /* This should be: Thu May 14 18:02:16 1998. */
+ t = 895194136;
+ printf ("We use this date: %s\n", ctime (&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);
+
+ /* calling localtime shouldn't make a difference */
+ localtime (&t);
+ print_tzvars ();
+ check_tzvars (pt->name, pt->daylight, pt->timezone);
+ }
+
+ return failed ? EXIT_FAILURE : EXIT_SUCCESS;
+}