time/tst-posixtz.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5 #include <stdint.h>
   6
   7 struct
   8 {
   9   time_t when;
  10   const char *tz;
  11   const char *result;
  12 } tests[] =
  13 {
  14   { 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  15     "1998/10/25 21:54:09 dst=1 zone=AEDST" },
  16   { 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  17     "1999/04/23 20:54:09 dst=0 zone=AEST" },
  18   { 919973892L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  19     "1999/02/26 07:18:12 dst=1 zone=AEDST" },
  20   { 909312849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  21     "1998/10/25 05:54:09 dst=0 zone=EST" },
  22   { 909312849L, "EST5EDT,M4.1.0/2,M10.5.0/2",
  23     "1998/10/25 05:54:09 dst=0 zone=EST" },
  24   { 909312849L, "<EST5>5EDT,M4.1.0/2,M10.5.0/2",
  25     "1998/10/25 05:54:09 dst=0 zone=EST5" },
  26   { 924864849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  27     "1999/04/23 06:54:09 dst=1 zone=EDT" },
  28   { 919973892L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  29     "1999/02/25 15:18:12 dst=0 zone=EST" },
  30 };
  31
  32 static int
  33 do_test (void)
  34 {
  35   int result = 0;
  36   size_t cnt;
  37
  38   for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
  39     {
  40       char buf[100];
  41       struct tm *tmp;
  42
  43       printf ("TZ = \"%s\", time = %jd => ", tests[cnt].tz,
  44               (intmax_t) tests[cnt].when);
  45       fflush (stdout);
  46
  47       setenv ("TZ", tests[cnt].tz, 1);
  48
  49       tmp = localtime (&tests[cnt].when);
  50
  51       snprintf (buf, sizeof (buf),
  52                 "%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
  53                 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
  54                 tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
  55                 tzname[tmp->tm_isdst ? 1 : 0]);
  56
  57       fputs (buf, stdout);
  58
  59       if (strcmp (buf, tests[cnt].result) == 0)
  60         puts (", OK");
  61       else
  62         {
  63           result = 1;
  64           puts (", FAIL");
  65         }
  66     }
  67
  68   setenv ("TZ", "Universal", 1);
  69   localtime (&tests[0].when);
  70   printf ("TZ = \"Universal\" daylight %d tzname = { \"%s\", \"%s\" }",
  71           daylight, tzname[0], tzname[1]);
  72   if (! daylight)
  73     puts (", OK");
  74   else
  75     {
  76       result = 1;
  77       puts (", FAIL");
  78     }
  79
  80   setenv ("TZ", "AEST-10AEDST-11,M10.5.0,M3.5.0", 1);
  81   tzset ();
  82   printf ("TZ = \"AEST-10AEDST-11,M10.5.0,M3.5.0\" daylight %d"
  83           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
  84   if (daylight
  85       && strcmp (tzname[0], "AEST") == 0 && strcmp (tzname[1], "AEDST") == 0)
  86     puts (", OK");
  87   else
  88     {
  89       result = 1;
  90       puts (", FAIL");
  91     }
  92
  93   setenv ("TZ", "<AB1>-10<AB2>-11,M10.5.0,M3.5.0", 1);
  94   tzset ();
  95   printf ("TZ = \"<AB1>-10<AB2>-11,M10.5.0,M3.5.0\" daylight %d"
  96           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
  97   if (daylight
  98       && strcmp (tzname[0], "AB1") == 0 && strcmp (tzname[1], "AB2") == 0)
  99     puts (", OK");
 100   else
 101     {
 102       result = 1;
 103       puts (", FAIL");
 104     }
 105
 106   setenv ("TZ", "<BB1>-10", 1);
 107   tzset ();
 108   printf ("TZ = \"<BB1>-10\" daylight %d"
 109           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
 110   if (daylight == 0
 111       && strcmp (tzname[0], "BB1") == 0 && strcmp (tzname[1], "BB1") == 0)
 112     puts (", OK");
 113   else
 114     {
 115       result = 1;
 116       puts (", FAIL");
 117     }
 118
 119   return result;
 120 }
 121
 122 #define TEST_FUNCTION do_test ()
 123 #include "../test-skeleton.c"