1 /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
33 const char *tzname[2];
36 static const struct test_times tests[] =
38 { "Europe/Berlin", 1, -3600, { "CET", "CEST" }},
39 { "Universal", 0, 0, {"UTC", "UTC" }},
40 { "Australia/Melbourne", 1, -36000, { "EST", "EST" }},
41 { "America/Sao_Paulo", 1, 10800, {"EST", "EDT" }},
42 { "America/Chicago", 1, 21600, {"CST", "CDT" }},
43 { "America/Los_Angeles", 1, 28800, {"PST", "PDT" }},
44 { "Asia/Tokyo", 0, -32400, {"JST", "JST" }},
52 printf ("tzname[0]: %s\n", tzname[0]);
53 printf ("tzname[1]: %s\n", tzname[1]);
54 printf ("daylight: %d\n", daylight);
55 printf ("timezone: %ld\n", timezone);
60 check_tzvars (const char *name, int dayl, int timez, const char *const tznam[])
66 printf ("Timezone: %s, daylight is: %d but should be: %d\n",
67 name, daylight, dayl);
70 if (timezone != timez)
72 printf ("Timezone: %s, timezone is: %ld but should be: %d\n",
73 name, timezone, timez);
76 for (i = 0; i <= 1; ++i)
77 if (strcmp (tzname[i], tznam[i]) != 0)
79 printf ("Timezone: %s, tzname[%d] is: %s but should be: %s\n",
80 name, i, tzname[i], tznam[i]);
87 main (int argc, char ** argv)
90 const struct test_times *pt;
93 /* This should be: Fri May 15 01:02:16 1998 (UTC). */
95 printf ("We use this date: %s\n", asctime (gmtime (&t)));
97 for (pt = tests; pt->name != NULL; ++pt)
99 /* Start with a known state */
100 printf ("Checking timezone %s\n", pt->name);
101 sprintf (buf, "TZ=%s", pt->name);
104 puts ("putenv failed.");
109 check_tzvars (pt->name, pt->daylight, pt->timezone, pt->tzname);
111 /* calling localtime shouldn't make a difference */
114 check_tzvars (pt->name, pt->daylight, pt->timezone, pt->tzname);
117 /* From a post of Scott Harrington <seh4@ix.netcom.com> to the timezone
120 struct tm tmBuf = {0, 0, 0, 10, 3, 98, 0, 0, -1};
122 putenv ("TZ=Europe/London");
124 snprintf (buf, sizeof (buf), "TZ=%s %ld %d %d %d %d %d %d %d %d %d",
126 tmBuf.tm_sec, tmBuf.tm_min, tmBuf.tm_hour,
127 tmBuf.tm_mday, tmBuf.tm_mon, tmBuf.tm_year,
128 tmBuf.tm_wday, tmBuf.tm_yday, tmBuf.tm_isdst);
131 puts ("TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1");
132 failed |= strcmp (buf, "TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1") != 0;
138 struct tm tmBuf = {0, 0, 0, 10, 3, 98, 0, 0, -1};
142 snprintf (buf, sizeof (buf), "TZ=%s %ld %d %d %d %d %d %d %d %d %d",
144 tmBuf.tm_sec, tmBuf.tm_min, tmBuf.tm_hour,
145 tmBuf.tm_mday, tmBuf.tm_mon, tmBuf.tm_year,
146 tmBuf.tm_wday, tmBuf.tm_yday, tmBuf.tm_isdst);
149 puts ("TZ=GMT 892166400 0 0 0 10 3 98 5 99 0");
150 failed |= strcmp (buf, "TZ=GMT 892166400 0 0 0 10 3 98 5 99 0") != 0;
153 return failed ? EXIT_FAILURE : EXIT_SUCCESS;