time/tst-getdate.c

   1 /* Test for getdate.
   2    Copyright (C) 2000-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Andreas Jaeger <aj@suse.de>, 2000.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <array_length.h>
  21 #include <stdbool.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <support/check.h>
  26 #include <support/temp_file.h>
  27 #include <support/xunistd.h>
  28 #include <time.h>
  29
  30 static const struct
  31 {
  32   const char *str;
  33   const char *tz;
  34   struct tm tm;
  35   bool time64;
  36 } tests [] =
  37 {
  38   {"21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  39    false },
  40   {"21:01:10    1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  41    false },
  42   {"   21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  43    false },
  44   {"21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  45    false },
  46   {"    21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  47    false },
  48   {"21:01:10 1999-2-28", "Universal", {10, 1, 21, 28, 1, 99, 0, 0, 0},
  49    false },
  50   {"16:30:46 2000-2-29", "Universal", {46, 30,16, 29, 1, 100, 0, 0, 0},
  51    false },
  52   {"01-08-2000 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 0, 0, 0},
  53    false },
  54
  55   /* 64 bit time_t tests.  */
  56   {"21:01:10 2038-1-31", "Universal", {10, 1, 21, 31, 0, 138, 0, 0, 0},
  57    true },
  58   {"22:01:10 2048-5-20", "Universal", {10, 1, 22, 20, 4, 148, 0, 0, 0},
  59    true },
  60   {"01-08-2038 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 138, 0, 0, 0},
  61    true },
  62   {"20-03-2050 21:30:08", "Europe/Berlin", {8, 30, 21, 20, 2, 150, 0, 0, 0},
  63    true }
  64 };
  65
  66 static const char *
  67 report_date_error (void)
  68 {
  69   switch (getdate_err)
  70     {
  71     case 1:
  72       return "The environment variable DATEMSK is not defined or null.";
  73     case 2:
  74       return "The template file denoted by the DATEMSK environment variable "
  75              "cannot be opened.";
  76     case 3:
  77       return "Information about the template file cannot retrieved.";
  78     case 4:
  79       return "The template file is not a regular file.\n";
  80     case 5:
  81       return "An I/O error occurred while reading the template file.";
  82     case 6:
  83       return "Not enough memory available to execute the function.";
  84     case 7:
  85       return "The template file contains no matching template.";
  86     case 8:
  87       return "The input date is invalid, but would match a template "
  88               "otherwise.";
  89     default:
  90       return "Unknown error code.";
  91     }
  92 }
  93
  94 static char *datemsk;
  95 static const char datemskstr[] =
  96   "%H:%M:%S %F\n"
  97   "%d-%m-%Y %T\n";
  98
  99 static void
 100 do_prepare (int argc, char **argv)
 101 {
 102   int fd = create_temp_file ("tst-chk1.", &datemsk);
 103   xwrite (fd, datemskstr, sizeof (datemskstr) - 1);
 104
 105   setenv ("DATEMSK", datemsk, 1);
 106 }
 107 #define PREPARE do_prepare
 108
 109 static int
 110 do_test (void)
 111 {
 112   struct tm *tm;
 113
 114   for (int i = 0; i < array_length (tests); ++i)
 115     {
 116       setenv ("TZ", tests[i].tz, 1);
 117
 118       tm = getdate (tests[i].str);
 119       TEST_COMPARE (getdate_err, 0);
 120       if (getdate_err != 0)
 121         {
 122           support_record_failure ();
 123           printf ("%s\n", report_date_error ());
 124         }
 125       else
 126         {
 127           TEST_COMPARE (tests[i].tm.tm_mon, tm->tm_mon);
 128           TEST_COMPARE (tests[i].tm.tm_year, tm->tm_year);
 129           TEST_COMPARE (tests[i].tm.tm_mday, tm->tm_mday);
 130           TEST_COMPARE (tests[i].tm.tm_hour, tm->tm_hour);
 131           TEST_COMPARE (tests[i].tm.tm_min, tm->tm_min);
 132           TEST_COMPARE (tests[i].tm.tm_sec, tm->tm_sec);
 133         }
 134
 135       struct tm tms;
 136       TEST_COMPARE (getdate_r (tests[i].str, &tms), 0);
 137       if (getdate_err == 0)
 138         {
 139           TEST_COMPARE (tests[i].tm.tm_mon, tms.tm_mon);
 140           TEST_COMPARE (tests[i].tm.tm_year, tms.tm_year);
 141           TEST_COMPARE (tests[i].tm.tm_mday, tms.tm_mday);
 142           TEST_COMPARE (tests[i].tm.tm_hour, tms.tm_hour);
 143           TEST_COMPARE (tests[i].tm.tm_min, tms.tm_min);
 144           TEST_COMPARE (tests[i].tm.tm_sec, tms.tm_sec);
 145         }
 146     }
 147
 148   return 0;
 149 }
 150
 151 #include <support/test-driver.c>