(root)/
glibc-2.38/
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    int err_val;
      36    bool check_tm;
      37  } tests [] =
      38  {
      39    {"21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
      40     false , 0, true},
      41    {"21:01:10    1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
      42     false , 0, true},
      43    {"   21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
      44     false , 0, true},
      45    {"21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
      46     false , 0, true},
      47    {"    21:01:10 1999-1-31   ", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
      48     false , 0, true},
      49    {"21:01:10 1999-2-28", "Universal", {10, 1, 21, 28, 1, 99, 0, 58, 0},
      50     false , 0, true},
      51    {"16:30:46 2000-2-29", "Universal", {46, 30,16, 29, 1, 100, 2, 59, 0},
      52     false , 0, true},
      53    {"01-08-2000 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 2, 213, 0},
      54     false , 0, true},
      55    {"01-08-2000     05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 2, 213, 0},
      56     false , 0, true},
      57    {"01-08-2000 a 05:06:07", "Europe/Berlin", {0, 0, 0, 0, 0, 0, 0, 0, 0},
      58     false , 7, false},
      59    {"       12          AM     ", "Europe/Berlin", {0, 0, 0, 0, 0, 0, 0, 0, 0},
      60     false , 0, false},
      61    {"01-01-1900 2 PM", "Universal", {0, 0, 14, 1, 0, 0, 1, 0, 0},
      62     false, 0, true},
      63    {"12-12-1850 16h", "Universal", {0, 0, 16, 12, 11, -50, 4, 345, 0},
      64     false, 0, true},
      65    {"12/31/93 21:35", "Universal", {0, 35, 21, 31, 11, 93, 5, 364, 0},
      66     false, 0, true},
      67  
      68    /* 64 bit time_t tests.  */
      69    {"21:01:10 2038-1-31", "Universal", {10, 1, 21, 31, 0, 138, 0, 30, 0},
      70     true , 0, true},
      71    {"22:01:10 2048-5-20", "Universal", {10, 1, 22, 20, 4, 148, 3, 140, 0},
      72     true , 0, true},
      73    {"01-08-2038 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 138, 0, 212, 0},
      74     true , 0, true},
      75    {"20-03-2050 21:30:08", "Europe/Berlin", {8, 30, 21, 20, 2, 150, 0, 78, 0},
      76     true , 0, true}
      77  };
      78  
      79  static const char *
      80  report_date_error (void)
      81  {
      82    switch (getdate_err)
      83      {
      84      case 1:
      85        return "The environment variable DATEMSK is not defined or null.";
      86      case 2:
      87        return "The template file denoted by the DATEMSK environment variable "
      88  	     "cannot be opened.";
      89      case 3:
      90        return "Information about the template file cannot retrieved.";
      91      case 4:
      92        return "The template file is not a regular file.\n";
      93      case 5:
      94        return "An I/O error occurred while reading the template file.";
      95      case 6:
      96        return "Not enough memory available to execute the function.";
      97      case 7:
      98        return "The template file contains no matching template.";
      99      case 8:
     100        return "The input date is invalid, but would match a template "
     101  	      "otherwise.";
     102      default:
     103        return "Unknown error code.";
     104      }
     105  }
     106  
     107  static char *datemsk;
     108  static const char datemskstr[] =
     109    "%H:%M:%S %F\n"
     110    "%d-%m-%Y %T\n"
     111    "%I %p\n"
     112    "%d-%m-%Y %I %p\n"
     113    "%d-%m-%Y %H%nh\n"
     114    "%D %R\n";
     115  
     116  static void
     117  do_prepare (int argc, char **argv)
     118  {
     119    int fd = create_temp_file ("tst-getdate.", &datemsk);
     120    xwrite (fd, datemskstr, sizeof (datemskstr) - 1);
     121  
     122    setenv ("DATEMSK", datemsk, 1);
     123  }
     124  #define PREPARE do_prepare
     125  
     126  static int
     127  do_test (void)
     128  {
     129    struct tm *tm;
     130  
     131    for (int i = 0; i < array_length (tests); ++i)
     132      {
     133        setenv ("TZ", tests[i].tz, 1);
     134  
     135        tm = getdate (tests[i].str);
     136  
     137        /* Only check getdate_err when tm is NULL as getdate doesn't set
     138           getdate_err on success. */
     139        if (tm == NULL)
     140  	{
     141            TEST_COMPARE (getdate_err, tests[i].err_val);
     142            if (getdate_err != tests[i].err_val)
     143              printf ("%s\n", report_date_error ());
     144  	}
     145        if (tests[i].err_val != 0)  /* Expected failure */
     146  	{
     147  	  TEST_VERIFY (tm == NULL);
     148  	  continue;
     149  	}
     150  
     151        if (tests[i].check_tm)
     152  	{
     153  	  TEST_COMPARE (tests[i].tm.tm_mon, tm->tm_mon);
     154  	  TEST_COMPARE (tests[i].tm.tm_year, tm->tm_year);
     155  	  TEST_COMPARE (tests[i].tm.tm_mday, tm->tm_mday);
     156  	  TEST_COMPARE (tests[i].tm.tm_hour, tm->tm_hour);
     157  	  TEST_COMPARE (tests[i].tm.tm_min, tm->tm_min);
     158  	  TEST_COMPARE (tests[i].tm.tm_sec, tm->tm_sec);
     159  	  TEST_COMPARE (tests[i].tm.tm_wday, tm->tm_wday);
     160  	  TEST_COMPARE (tests[i].tm.tm_yday, tm->tm_yday);
     161  	}
     162  
     163        struct tm tms;
     164        int retval = getdate_r (tests[i].str, &tms);
     165        TEST_COMPARE (retval, tests[i].err_val);
     166        if (retval == tests[i].err_val && tests[i].check_tm)
     167  	{
     168  	  TEST_COMPARE (tests[i].tm.tm_mon, tms.tm_mon);
     169  	  TEST_COMPARE (tests[i].tm.tm_year, tms.tm_year);
     170  	  TEST_COMPARE (tests[i].tm.tm_mday, tms.tm_mday);
     171  	  TEST_COMPARE (tests[i].tm.tm_hour, tms.tm_hour);
     172  	  TEST_COMPARE (tests[i].tm.tm_min, tms.tm_min);
     173  	  TEST_COMPARE (tests[i].tm.tm_sec, tms.tm_sec);
     174  	  TEST_COMPARE (tests[i].tm.tm_wday, tms.tm_wday);
     175  	  TEST_COMPARE (tests[i].tm.tm_yday, tms.tm_yday);
     176  	}
     177      }
     178  
     179    return 0;
     180  }
     181  
     182  #include <support/test-driver.c>