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/*
* tests for mktime(), mkgmtime(), timespec_to_iso8601() and
* iso8601_to_timespec().
* mktime() is a libc function, why test it?
*
* This file is Copyright 2010 by the GPSD project
* SPDX-License-Identifier: BSD-2-clause
*/
#include "../include/gpsd_config.h" // must be before all includes
#include <limits.h>
#include <math.h> // for fabs()
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "../include/gps.h"
#include "../include/compiler.h"
#include "../include/timespec.h"
static struct
{
struct tm t;
time_t result;
} tests[] = {
// *INDENT-OFF*
/* sec, min, h, md, mon, year, wd, yd, isdst, gmtoff, zone,
* time_t what */
// lower limit
{{ 0, 0, 0, 1, 0, 70, 0, 0, 0, 0, 0}, 0},
// upper limit
{{ 7, 14, 3, 19, 0, 138, 0, 0, 0, 0, 0}, 0x7fffffff},
// leap year
{{ 0, 0, 12, 1, 0, 99, 0, 0, 0, 0, 0}, 915192000},
// leap year
{{ 0, 0, 12, 1, 1, 99, 0, 0, 0, 0, 0}, 917870400},
// leap year
{{ 0, 0, 12, 1, 2, 99, 0, 0, 0, 0, 0}, 920289600},
// leap year
{{ 0, 0, 12, 1, 8, 99, 0, 0, 0, 0, 0}, 936187200},
// leap year
{{ 0, 0, 12, 1, 0, 100, 0, 0, 0, 0, 0}, 946728000},
// leap year
{{ 0, 0, 12, 1, 1, 100, 0, 0, 0, 0, 0}, 949406400},
// leap year
{{ 0, 0, 12, 1, 2, 100, 0, 0, 0, 0, 0}, 951912000},
// leap year
{{ 0, 0, 12, 1, 8, 100, 0, 0, 0, 0, 0}, 967809600},
// leap year
{{ 0, 0, 12, 1, 0, 101, 0, 0, 0, 0, 0}, 978350400},
// leap year
{{ 0, 0, 12, 1, 1, 101, 0, 0, 0, 0, 0}, 981028800},
// leap year
{{ 0, 0, 12, 1, 2, 101, 0, 0, 0, 0, 0}, 983448000},
// leap year
{{ 0, 0, 12, 1, 8, 101, 0, 0, 0, 0, 0}, 999345600},
// leap year
{{ 0, 0, 12, 1, 0, 102, 0, 0, 0, 0, 0}, 1009886400},
// leap year
{{ 0, 0, 12, 1, 1, 102, 0, 0, 0, 0, 0}, 1012564800},
// leap year
{{ 0, 0, 12, 1, 2, 102, 0, 0, 0, 0, 0}, 1014984000},
// leap year
{{ 0, 0, 12, 1, 8, 102, 0, 0, 0, 0, 0}, 1030881600},
// leap year
{{ 0, 0, 12, 1, 0, 103, 0, 0, 0, 0, 0}, 1041422400},
// leap year
{{ 0, 0, 12, 1, 1, 103, 0, 0, 0, 0, 0}, 1044100800},
// leap year
{{ 0, 0, 12, 1, 2, 103, 0, 0, 0, 0, 0}, 1046520000},
// leap year
{{ 0, 0, 12, 1, 8, 103, 0, 0, 0, 0, 0}, 1062417600},
// leap year
{{ 0, 0, 12, 1, 0, 104, 0, 0, 0, 0, 0}, 1072958400},
// leap year
{{ 0, 0, 12, 1, 1, 104, 0, 0, 0, 0, 0}, 1075636800},
// leap year
{{ 0, 0, 12, 1, 2, 104, 0, 0, 0, 0, 0}, 1078142400},
{{ 0, 0, 12, 1, 2, 104, 0, 0, 0, 0, 0}, 1078142400},
// leap year
{{ 0, 0, 12, 1, 8, 104, 0, 0, 0, 0, 0}, 1094040000},
// leap year
{{ 0, 0, 12, 1, 0, 108, 0, 0, 0, 0, 0}, 1199188800},
// leap year
{{ 0, 0, 12, 1, 1, 108, 0, 0, 0, 0, 0}, 1201867200},
// leap year
{{ 0, 0, 12, 1, 2, 108, 0, 0, 0, 0, 0}, 1204372800},
// leap year
{{ 0, 0, 12, 1, 8, 108, 0, 0, 0, 0, 0}, 1220270400},
// year wrap
{{ 59, 59, 23, 31, 12, 110, 0, 0, 0, 0, 0}, 1296518399},
// year wrap
{{ 0, 0, 0, 1, 0, 111, 0, 0, 0, 0, 0}, 1293840000},
// year wrap
{{ 59, 59, 23, 31, 12, 111, 0, 0, 0, 0, 0}, 1328054399},
// year wrap
{{ 0, 0, 0, 1, 0, 112, 0, 0, 0, 0, 0}, 1325376000},
// year wrap
{{ 59, 59, 23, 31, 12, 112, 0, 0, 0, 0, 0}, 1359676799},
// year wrap
{{ 0, 0, 0, 1, 0, 113, 0, 0, 0, 0, 0}, 1356998400},
// month wrap
{{ 59, 59, 23, 31, 0, 115, 0, 0, 0, 0, 0}, 1422748799},
// month wrap
{{ 0, 0, 0, 1, 1, 115, 0, 0, 0, 0, 0}, 1422748800},
// month wrap
{{ 59, 59, 23, 28, 1, 115, 0, 0, 0, 0, 0}, 1425167999},
// month wrap
{{ 0, 0, 0, 1, 2, 115, 0, 0, 0, 0, 0}, 1425168000},
// month wrap
{{ 59, 59, 23, 31, 2, 115, 0, 0, 0, 0, 0}, 1427846399},
// month wrap
{{ 0, 0, 0, 1, 3, 115, 0, 0, 0, 0, 0}, 1427846400},
// month wrap
{{ 59, 59, 23, 30, 3, 115, 0, 0, 0, 0, 0}, 1430438399},
// month wrap
{{ 0, 0, 0, 1, 4, 115, 0, 0, 0, 0, 0}, 1430438400},
// month wrap
{{ 59, 59, 23, 31, 4, 115, 0, 0, 0, 0, 0}, 1433116799},
// month wrap
{{ 0, 0, 0, 1, 5, 115, 0, 0, 0, 0, 0}, 1433116800},
// month wrap
{{ 59, 59, 23, 30, 5, 115, 0, 0, 0, 0, 0}, 1435708799},
// month wrap
{{ 0, 0, 0, 1, 6, 115, 0, 0, 0, 0, 0}, 1435708800},
// month wrap
{{ 59, 59, 23, 31, 6, 115, 0, 0, 0, 0, 0}, 1438387199},
// month wrap
{{ 0, 0, 0, 1, 7, 115, 0, 0, 0, 0, 0}, 1438387200},
// month wrap
{{ 59, 59, 23, 31, 7, 115, 0, 0, 0, 0, 0}, 1441065599},
// month wrap
{{ 0, 0, 0, 1, 8, 115, 0, 0, 0, 0, 0}, 1441065600},
// month wrap
{{ 59, 59, 23, 30, 8, 115, 0, 0, 0, 0, 0}, 1443657599},
// month wrap
{{ 0, 0, 0, 1, 9, 115, 0, 0, 0, 0, 0}, 1443657600},
// month wrap
{{ 59, 59, 23, 31, 9, 115, 0, 0, 0, 0, 0}, 1446335999},
// month wrap
{{ 0, 0, 0, 1, 10, 115, 0, 0, 0, 0, 0}, 1446336000},
// month wrap
{{ 59, 59, 23, 30, 10, 115, 0, 0, 0, 0, 0}, 1448927999},
// month wrap
{{ 0, 0, 0, 1, 11, 115, 0, 0, 0, 0, 0}, 1448928000},
// month wrap
{{ 59, 59, 23, 31, 11, 115, 0, 0, 0, 0, 0}, 1451606399},
// month wrap
{{ 0, 0, 0, 1, 0, 116, 0, 0, 0, 0, 0}, 1451606400},
// *INDENT-ON*
};
// tests for timespec_to_iso8601()
static struct
{
timespec_t ts_time;
char *iso8601; // iso8601 result
} tests1[] = {
// time zero
{{0, 0}, "1970-01-01T00:00:00.000Z"},
// before/after leap second end of 2008, notice no :60!
{{1230767999L, 1000000L}, "2008-12-31T23:59:59.001Z"},
{{1230767999L, 10000000L}, "2008-12-31T23:59:59.010Z"},
{{1230767999L, 100000000L}, "2008-12-31T23:59:59.100Z"},
{{1230768000L, 20000000L}, "2009-01-01T00:00:00.020Z"},
// test for rounding at %.3f
{{1541766896L, 999412000L}, "2018-11-09T12:34:56.999Z"},
{{1541766896L, 999499000L}, "2018-11-09T12:34:56.999Z"},
{{1541766896L, 999500000L}, "2018-11-09T12:34:57.000Z"},
{{1541766896L, 999501000L}, "2018-11-09T12:34:57.000Z"},
// the end of time: 2038
{{2147483647L, 123456000L}, "2038-01-19T03:14:07.123Z"},
#if 4 < SIZEOF_TIME_T
// Test the first value exceeding the 32-bit (signed) time_t
{{2147483648LL, 123456000L}, "2038-01-19T03:14:08.123Z"},
// farthest in future we go
{{253402300799LL, 123456000L}, "9999-12-31T23:59:59.123Z"},
// one second too far
{{253402300800LL, 123456000L}, "9999-12-31T23:59:59.123Z"},
#endif
};
int main(int argc UNUSED, char *argv[] UNUSED)
{
int i;
char tbuf[128];
bool failed = false;
timespec_t ts_time;
char ts_buf[TIMESPEC_LEN];
(void)setenv("TZ", "GMT", 1);
// test mktime()
for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
time_t ts = mktime(&tests[i].t);
if (ts != tests[i].result) {
failed = true;
(void)strftime(tbuf, sizeof(tbuf), "%F %T", &tests[i].t);
(void)printf("test_mktime: mktime() test %2d failed.\n"
" Time returned from: %s should be %lu "
" (but was: %lu)\n",
i, tbuf, (unsigned long)tests[i].result,
(unsigned long)ts);
}
}
// test mkgmtime()
for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
time_t ts = mkgmtime(&tests[i].t);
if (ts != tests[i].result) {
failed = true;
(void)strftime(tbuf, sizeof(tbuf), "%F %T", &tests[i].t);
(void)printf("test_mktime: mkgmtime() test %2d failed.\n"
" Time returned from: %s should be %lu "
" (but was: %lu)\n",
i, tbuf, (unsigned long)tests[i].result,
(unsigned long)ts);
}
}
// test timespec_to_iso8601()
if ( 4 >= sizeof(time_t)) {
(void)printf("WARNING: time_t too small. This gpsd binary "
"will fail at the 2038 roll over\n");
}
for (i = 0; i < (int)(sizeof(tests1) / sizeof(tests1[0])); i++) {
timespec_to_iso8601(tests1[i].ts_time, tbuf, sizeof(tbuf));
if (0 != strcmp(tests1[i].iso8601, tbuf)) {
failed = true;
(void)printf("test_mktime: timespec_to_iso8601() test %s failed.\n"
" Got %s, s/b %s\n",
timespec_str(&tests1[i].ts_time, ts_buf,
sizeof(ts_buf)),
tbuf, tests1[i].iso8601);
}
}
// test iso8601_to_timespec()
for (i = 0; i < (int)(sizeof(tests1) / sizeof(tests1[0])); i++) {
timespec_t ts_tmp;
#if 4 < SIZEOF_TIME_T
if (253402300799LL < tests1[i].ts_time.tv_sec) {
// skip over run test
continue;
}
#endif
ts_time = iso8601_to_timespec(tests1[i].iso8601);
TS_SUB(&ts_tmp, &ts_time, &tests1[i].ts_time);
if (0.001 <= fabs(TSTONS(&ts_tmp))) {
failed = true;
(void)printf("test_mktime: iso8601_to_timespec() test %s failed.\n"
" Got %.3f, s/b %.3f\n",
tests1[i].iso8601, TSTONS(&ts_time),
TSTONS(&tests1[i].ts_time));
}
}
return (int)failed;
}
// vim: set expandtab shiftwidth=4
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