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146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/* t-timestuff.c - Regression tests for time functions
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* Copyright (C) 2007 Free Software Foundation, Inc.
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*
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* This file is part of JNLIB.
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*
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* JNLIB is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* JNLIB is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include "mischelp.h"
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#include "t-support.h"
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static int
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cmp_time_s (struct tm *a, struct tm *b)
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{
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if (a->tm_year != b->tm_year
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|| a->tm_mon != b->tm_mon
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|| a->tm_mday != b->tm_mday
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|| a->tm_hour != b->tm_hour
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|| a->tm_min != b->tm_min
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|| a->tm_sec != b->tm_sec
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|| a->tm_wday != b->tm_wday
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|| a->tm_yday != b->tm_yday
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|| !a->tm_isdst != !b->tm_isdst)
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return -1;
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return 0;
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}
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static void
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test_timegm (void)
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{
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static struct {
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int year, mon, mday, hour, min, sec;
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} tvalues[] = {
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{ -1 },
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{ -2, 1 },
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{ -2, 2 },
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{ -2, 86399 },
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{ -2, 86400 },
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{ -2, 0x7ffffffe },
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{ -2, 0x7fffffff },
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/* Note: Because we use mktime below we can only start with the
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day after Epoch. */
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{ 1970, 1, 2, 0, 0 , 1},
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{ 1970, 1, 2, 0, 0 , 2},
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{ 1970, 1, 2, 12, 0 , 0},
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{ 1970, 1, 2, 23, 59 , 59},
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{ 1999, 12, 31, 23, 59 , 59},
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{ 2000, 1, 1, 0, 0, 0},
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{ 2000, 1, 1, 0, 0, 1},
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{ 2010, 12, 31, 23, 59 , 59},
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{ 2010, 1, 1, 0, 0, 0},
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{ 2010, 1, 1, 0, 0, 1},
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/* The date below is about the last time mktime works in CET on
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Windows XP; this is a somewhat strange because 32 bit Unices
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will happily work along for another month until they reach the
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end of all ticks on 20380119T031408 (unless Uli takes
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compassion on us and changes time_t to a u64). */
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{ 2037, 12, 18, 23, 59, 59}
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};
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int tidx;
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time_t now, atime, counter;
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struct tm tbuf, tbuf2, *tp;
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counter = 0;
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for (tidx=0; tidx < DIM (tvalues); tidx++)
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{
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if (tvalues[tidx].year == -1)
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{
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now = time (NULL);
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}
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else if (tvalues[tidx].year == -2)
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{
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now = tvalues[tidx].mon;
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}
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else
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{
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memset (&tbuf, 0, sizeof tbuf);
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tbuf.tm_year = tvalues[tidx].year - 1900;
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tbuf.tm_mon = tvalues[tidx].mon;
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tbuf.tm_mday = tvalues[tidx].mday;
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tbuf.tm_hour = tvalues[tidx].hour;
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tbuf.tm_min = tvalues[tidx].min;
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tbuf.tm_sec = tvalues[tidx].sec;
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now = mktime (&tbuf);
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}
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if (now == (time_t)(-1))
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fail (tidx);
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tp = gmtime (&now);
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if (!tp)
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fail (tidx);
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tbuf = *tp;
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tbuf2 = tbuf;
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atime = timegm (&tbuf);
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if (atime == (time_t)(-1))
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fail (tidx);
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if (atime != now)
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fail (tidx);
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tp = gmtime (&atime);
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if (!tp)
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fail (tidx);
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if (cmp_time_s (tp, &tbuf))
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fail (tidx);
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if (cmp_time_s (tp, &tbuf2))
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fail (tidx);
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}
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}
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int
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main (int argc, char **argv)
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{
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(void)argc;
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(void)argv;
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test_timegm ();
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return 0;
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}
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