time/tst-posixtz.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5
   6 struct
   7 {
   8   time_t when;
   9   const char *tz;
  10   const char *result;
  11 } tests[] =
  12 {
  13   { 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  14     "1998/10/25 21:54:09 dst=1 zone=AEDST" },
  15   { 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  16     "1999/04/23 20:54:09 dst=0 zone=AEST" },
  17   { 919973892L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  18     "1999/02/26 07:18:12 dst=1 zone=AEDST" },
  19   { 909312849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  20     "1998/10/25 05:54:09 dst=0 zone=EST" },
  21   { 909312849L, "EST5EDT,M4.1.0/2,M10.5.0/2",
  22     "1998/10/25 05:54:09 dst=0 zone=EST" },
  23   { 909312849L, "<EST5>5EDT,M4.1.0/2,M10.5.0/2",
  24     "1998/10/25 05:54:09 dst=0 zone=EST5" },
  25   { 924864849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  26     "1999/04/23 06:54:09 dst=1 zone=EDT" },
  27   { 919973892L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  28     "1999/02/25 15:18:12 dst=0 zone=EST" },
  29 };
  30
  31 int
  32 main (void)
  33 {
  34   int result = 0;
  35   size_t cnt;
  36
  37   for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
  38     {
  39       char buf[100];
  40       struct tm *tmp;
  41
  42       printf ("TZ = \"%s\", time = %ld => ", tests[cnt].tz, tests[cnt].when);
  43       fflush (stdout);
  44
  45       setenv ("TZ", tests[cnt].tz, 1);
  46
  47       tmp = localtime (&tests[cnt].when);
  48
  49       snprintf (buf, sizeof (buf),
  50                 "%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
  51                 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
  52                 tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
  53                 tzname[tmp->tm_isdst ? 1 : 0]);
  54
  55       fputs (buf, stdout);
  56
  57       if (strcmp (buf, tests[cnt].result) == 0)
  58         puts (", OK");
  59       else
  60         {
  61           result = 1;
  62           puts (", FAIL");
  63         }
  64     }
  65
  66   setenv ("TZ", "Universal", 1);
  67   localtime (&tests[0].when);
  68   printf ("TZ = \"Universal\" daylight %d tzname = { \"%s\", \"%s\" }",
  69           daylight, tzname[0], tzname[1]);
  70   if (! daylight)
  71     puts (", OK");
  72   else
  73     {
  74       result = 1;
  75       puts (", FAIL");
  76     }
  77
  78   setenv ("TZ", "AEST-10AEDST-11,M10.5.0,M3.5.0", 1);
  79   tzset ();
  80   printf ("TZ = \"AEST-10AEDST-11,M10.5.0,M3.5.0\" daylight %d"
  81           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
  82   if (daylight
  83       && strcmp (tzname[0], "AEST") == 0 && strcmp (tzname[1], "AEDST") == 0)
  84     puts (", OK");
  85   else
  86     {
  87       result = 1;
  88       puts (", FAIL");
  89     }
  90
  91   setenv ("TZ", "<AB1>-10<AB2>-11,M10.5.0,M3.5.0", 1);
  92   tzset ();
  93   printf ("TZ = \"<AB1>-10<AB2>-11,M10.5.0,M3.5.0\" daylight %d"
  94           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
  95   if (daylight
  96       && strcmp (tzname[0], "AB1") == 0 && strcmp (tzname[1], "AB2") == 0)
  97     puts (", OK");
  98   else
  99     {
 100       result = 1;
 101       puts (", FAIL");
 102     }
 103
 104   setenv ("TZ", "<BB1>-10", 1);
 105   tzset ();
 106   printf ("TZ = \"<BB1>-10\" daylight %d"
 107           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
 108   if (daylight == 0
 109       && strcmp (tzname[0], "BB1") == 0 && strcmp (tzname[1], "BB1") == 0)
 110     puts (", OK");
 111   else
 112     {
 113       result = 1;
 114       puts (", FAIL");
 115     }
 116
 117   return result;
 118 }