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/* Test for getdate.
Copyright (C) 2000-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <array_length.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/temp_file.h>
#include <support/xunistd.h>
#include <time.h>
static const struct
{
const char *str;
const char *tz;
struct tm tm;
bool time64;
int err_val;
bool check_tm;
} tests [] =
{
{"21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
false , 0, true},
{"21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
false , 0, true},
{" 21:01:10 1999-1-31", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
false , 0, true},
{"21:01:10 1999-1-31 ", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
false , 0, true},
{" 21:01:10 1999-1-31 ", "Universal", {10, 1, 21, 31, 0, 99, 0, 30, 0},
false , 0, true},
{"21:01:10 1999-2-28", "Universal", {10, 1, 21, 28, 1, 99, 0, 58, 0},
false , 0, true},
{"16:30:46 2000-2-29", "Universal", {46, 30,16, 29, 1, 100, 2, 59, 0},
false , 0, true},
{"01-08-2000 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 2, 213, 0},
false , 0, true},
{"01-08-2000 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 100, 2, 213, 0},
false , 0, true},
{"01-08-2000 a 05:06:07", "Europe/Berlin", {0, 0, 0, 0, 0, 0, 0, 0, 0},
false , 7, false},
{" 12 AM ", "Europe/Berlin", {0, 0, 0, 0, 0, 0, 0, 0, 0},
false , 0, false},
{"01-01-1900 2 PM", "Universal", {0, 0, 14, 1, 0, 0, 1, 0, 0},
false, 0, true},
{"12-12-1850 16h", "Universal", {0, 0, 16, 12, 11, -50, 4, 345, 0},
false, 0, true},
{"12/31/93 21:35", "Universal", {0, 35, 21, 31, 11, 93, 5, 364, 0},
false, 0, true},
/* 64 bit time_t tests. */
{"21:01:10 2038-1-31", "Universal", {10, 1, 21, 31, 0, 138, 0, 30, 0},
true , 0, true},
{"22:01:10 2048-5-20", "Universal", {10, 1, 22, 20, 4, 148, 3, 140, 0},
true , 0, true},
{"01-08-2038 05:06:07", "Europe/Berlin", {7, 6, 5, 1, 7, 138, 0, 212, 0},
true , 0, true},
{"20-03-2050 21:30:08", "Europe/Berlin", {8, 30, 21, 20, 2, 150, 0, 78, 0},
true , 0, true}
};
static const char *
report_date_error (void)
{
switch (getdate_err)
{
case 1:
return "The environment variable DATEMSK is not defined or null.";
case 2:
return "The template file denoted by the DATEMSK environment variable "
"cannot be opened.";
case 3:
return "Information about the template file cannot retrieved.";
case 4:
return "The template file is not a regular file.\n";
case 5:
return "An I/O error occurred while reading the template file.";
case 6:
return "Not enough memory available to execute the function.";
case 7:
return "The template file contains no matching template.";
case 8:
return "The input date is invalid, but would match a template "
"otherwise.";
default:
return "Unknown error code.";
}
}
static char *datemsk;
static const char datemskstr[] =
"%H:%M:%S %F\n"
"%d-%m-%Y %T\n"
"%I %p\n"
"%d-%m-%Y %I %p\n"
"%d-%m-%Y %H%nh\n"
"%D %R\n";
static void
do_prepare (int argc, char **argv)
{
int fd = create_temp_file ("tst-getdate.", &datemsk);
xwrite (fd, datemskstr, sizeof (datemskstr) - 1);
setenv ("DATEMSK", datemsk, 1);
}
#define PREPARE do_prepare
static int
do_test (void)
{
struct tm *tm;
for (int i = 0; i < array_length (tests); ++i)
{
setenv ("TZ", tests[i].tz, 1);
tm = getdate (tests[i].str);
/* Only check getdate_err when tm is NULL as getdate doesn't set
getdate_err on success. */
if (tm == NULL)
{
TEST_COMPARE (getdate_err, tests[i].err_val);
if (getdate_err != tests[i].err_val)
printf ("%s\n", report_date_error ());
}
if (tests[i].err_val != 0) /* Expected failure */
{
TEST_VERIFY (tm == NULL);
continue;
}
if (tests[i].check_tm)
{
TEST_COMPARE (tests[i].tm.tm_mon, tm->tm_mon);
TEST_COMPARE (tests[i].tm.tm_year, tm->tm_year);
TEST_COMPARE (tests[i].tm.tm_mday, tm->tm_mday);
TEST_COMPARE (tests[i].tm.tm_hour, tm->tm_hour);
TEST_COMPARE (tests[i].tm.tm_min, tm->tm_min);
TEST_COMPARE (tests[i].tm.tm_sec, tm->tm_sec);
TEST_COMPARE (tests[i].tm.tm_wday, tm->tm_wday);
TEST_COMPARE (tests[i].tm.tm_yday, tm->tm_yday);
}
struct tm tms;
int retval = getdate_r (tests[i].str, &tms);
TEST_COMPARE (retval, tests[i].err_val);
if (retval == tests[i].err_val && tests[i].check_tm)
{
TEST_COMPARE (tests[i].tm.tm_mon, tms.tm_mon);
TEST_COMPARE (tests[i].tm.tm_year, tms.tm_year);
TEST_COMPARE (tests[i].tm.tm_mday, tms.tm_mday);
TEST_COMPARE (tests[i].tm.tm_hour, tms.tm_hour);
TEST_COMPARE (tests[i].tm.tm_min, tms.tm_min);
TEST_COMPARE (tests[i].tm.tm_sec, tms.tm_sec);
TEST_COMPARE (tests[i].tm.tm_wday, tms.tm_wday);
TEST_COMPARE (tests[i].tm.tm_yday, tms.tm_yday);
}
}
return 0;
}
#include <support/test-driver.c>
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