time/tst-getdate.c

   1 /* Test for getdate.
   2    Copyright (C) 2000-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <array_length.h>
  20 #include <stdbool.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <support/check.h>
  25 #include <support/temp_file.h>
  26 #include <support/xunistd.h>
  27 #include <time.h>
  28
  29 static const struct
  30 {
  31   const char *str;
  32   const char *tz;
  33   struct tm tm;
  34   bool time64;
  35 } tests [] =
  36 {
  37   {"21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  38    false },
  39   {"21:01:10    1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  40    false },
  41   {"   21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  42    false },
  43   {"21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  44    false },
  45   {"    21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 0, 0},
  46    false },
  47   {"21:01:10 1999-2-28", "Universal", {10, 1, 21, 28, 1, 99, 0, 0, 0},
  48    false },
  49   {"16:30:46 2000-2-29", "Universal", {46, 30,16, 29, 1, 100, 0, 0, 0},
  50    false },
  51   {"01-08-2000 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 0, 0, 0},
  52    false },
  53
  54   /* 64 bit time_t tests.  */
  55   {"21:01:10 2038-1-31", "Universal", {10, 1, 21, 31, 0, 138, 0, 0, 0},
  56    true },
  57   {"22:01:10 2048-5-20", "Universal", {10, 1, 22, 20, 4, 148, 0, 0, 0},
  58    true },
  59   {"01-08-2038 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 138, 0, 0, 0},
  60    true },
  61   {"20-03-2050 21:30:08", "Europe/Berlin", {8, 30, 21, 20, 2, 150, 0, 0, 0},
  62    true }
  63 };
  64
  65 static const char *
  66 report_date_error (void)
  67 {
  68   switch (getdate_err)
  69     {
  70     case 1:
  71       return "The environment variable DATEMSK is not defined or null.";
  72     case 2:
  73       return "The template file denoted by the DATEMSK environment variable "
  74              "cannot be opened.";
  75     case 3:
  76       return "Information about the template file cannot retrieved.";
  77     case 4:
  78       return "The template file is not a regular file.\n";
  79     case 5:
  80       return "An I/O error occurred while reading the template file.";
  81     case 6:
  82       return "Not enough memory available to execute the function.";
  83     case 7:
  84       return "The template file contains no matching template.";
  85     case 8:
  86       return "The input date is invalid, but would match a template "
  87               "otherwise.";
  88     default:
  89       return "Unknown error code.";
  90     }
  91 }
  92
  93 static char *datemsk;
  94 static const char datemskstr[] =
  95   "%H:%M:%S %F\n"
  96   "%d-%m-%Y %T\n";
  97
  98 static void
  99 do_prepare (int argc, char **argv)
 100 {
 101   int fd = create_temp_file ("tst-chk1.", &datemsk);
 102   xwrite (fd, datemskstr, sizeof (datemskstr) - 1);
 103
 104   setenv ("DATEMSK", datemsk, 1);
 105 }
 106 #define PREPARE do_prepare
 107
 108 static int
 109 do_test (void)
 110 {
 111   struct tm *tm;
 112
 113   for (int i = 0; i < array_length (tests); ++i)
 114     {
 115       setenv ("TZ", tests[i].tz, 1);
 116
 117       tm = getdate (tests[i].str);
 118       TEST_COMPARE (getdate_err, 0);
 119       if (getdate_err != 0)
 120         {
 121           support_record_failure ();
 122           printf ("%s\n", report_date_error ());
 123         }
 124       else
 125         {
 126           TEST_COMPARE (tests[i].tm.tm_mon, tm->tm_mon);
 127           TEST_COMPARE (tests[i].tm.tm_year, tm->tm_year);
 128           TEST_COMPARE (tests[i].tm.tm_mday, tm->tm_mday);
 129           TEST_COMPARE (tests[i].tm.tm_hour, tm->tm_hour);
 130           TEST_COMPARE (tests[i].tm.tm_min, tm->tm_min);
 131           TEST_COMPARE (tests[i].tm.tm_sec, tm->tm_sec);
 132         }
 133
 134       struct tm tms;
 135       TEST_COMPARE (getdate_r (tests[i].str, &tms), 0);
 136       if (getdate_err == 0)
 137         {
 138           TEST_COMPARE (tests[i].tm.tm_mon, tms.tm_mon);
 139           TEST_COMPARE (tests[i].tm.tm_year, tms.tm_year);
 140           TEST_COMPARE (tests[i].tm.tm_mday, tms.tm_mday);
 141           TEST_COMPARE (tests[i].tm.tm_hour, tms.tm_hour);
 142           TEST_COMPARE (tests[i].tm.tm_min, tms.tm_min);
 143           TEST_COMPARE (tests[i].tm.tm_sec, tms.tm_sec);
 144         }
 145     }
 146
 147   return 0;
 148 }
 149
 150 #include <support/test-driver.c>