[thirdparty/systemd.git] / src / test / test-time.c

/***
  This file is part of systemd.

  Copyright 2013 Lennart Poettering

  systemd 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.

  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include "strv.h"
#include "time-util.h"
#include "random-util.h"

static void test_parse_sec(void) {
        usec_t u;

        assert_se(parse_sec("5s", &u) >= 0);
        assert_se(u == 5 * USEC_PER_SEC);
        assert_se(parse_sec("5s500ms", &u) >= 0);
        assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
        assert_se(parse_sec(" 5s 500ms  ", &u) >= 0);
        assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
        assert_se(parse_sec(" 5.5s  ", &u) >= 0);
        assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
        assert_se(parse_sec(" 5.5s 0.5ms ", &u) >= 0);
        assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC + 500);
        assert_se(parse_sec(" .22s ", &u) >= 0);
        assert_se(u == 220 * USEC_PER_MSEC);
        assert_se(parse_sec(" .50y ", &u) >= 0);
        assert_se(u == USEC_PER_YEAR / 2);
        assert_se(parse_sec("2.5", &u) >= 0);
        assert_se(u == 2500 * USEC_PER_MSEC);
        assert_se(parse_sec(".7", &u) >= 0);
        assert_se(u == 700 * USEC_PER_MSEC);
        assert_se(parse_sec("infinity", &u) >= 0);
        assert_se(u == USEC_INFINITY);
        assert_se(parse_sec(" infinity ", &u) >= 0);
        assert_se(u == USEC_INFINITY);

        assert_se(parse_sec(" xyz ", &u) < 0);
        assert_se(parse_sec("", &u) < 0);
        assert_se(parse_sec(" . ", &u) < 0);
        assert_se(parse_sec(" 5. ", &u) < 0);
        assert_se(parse_sec(".s ", &u) < 0);
        assert_se(parse_sec(" infinity .7", &u) < 0);
        assert_se(parse_sec(".3 infinity", &u) < 0);
}

static void test_parse_time(void) {
        usec_t u;

        assert_se(parse_time("5", &u, 1) >= 0);
        assert_se(u == 5);

        assert_se(parse_time("5", &u, USEC_PER_MSEC) >= 0);
        assert_se(u == 5 * USEC_PER_MSEC);

        assert_se(parse_time("5", &u, USEC_PER_SEC) >= 0);
        assert_se(u == 5 * USEC_PER_SEC);

        assert_se(parse_time("5s", &u, 1) >= 0);
        assert_se(u == 5 * USEC_PER_SEC);

        assert_se(parse_time("5s", &u, USEC_PER_SEC) >= 0);
        assert_se(u == 5 * USEC_PER_SEC);

        assert_se(parse_time("5s", &u, USEC_PER_MSEC) >= 0);
        assert_se(u == 5 * USEC_PER_SEC);
}

static void test_parse_nsec(void) {
        nsec_t u;

        assert_se(parse_nsec("5s", &u) >= 0);
        assert_se(u == 5 * NSEC_PER_SEC);
        assert_se(parse_nsec("5s500ms", &u) >= 0);
        assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
        assert_se(parse_nsec(" 5s 500ms  ", &u) >= 0);
        assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
        assert_se(parse_nsec(" 5.5s  ", &u) >= 0);
        assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
        assert_se(parse_nsec(" 5.5s 0.5ms ", &u) >= 0);
        assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC + 500 * NSEC_PER_USEC);
        assert_se(parse_nsec(" .22s ", &u) >= 0);
        assert_se(u == 220 * NSEC_PER_MSEC);
        assert_se(parse_nsec(" .50y ", &u) >= 0);
        assert_se(u == NSEC_PER_YEAR / 2);
        assert_se(parse_nsec("2.5", &u) >= 0);
        assert_se(u == 2);
        assert_se(parse_nsec(".7", &u) >= 0);
        assert_se(u == 0);
        assert_se(parse_nsec("infinity", &u) >= 0);
        assert_se(u == NSEC_INFINITY);
        assert_se(parse_nsec(" infinity ", &u) >= 0);
        assert_se(u == NSEC_INFINITY);

        assert_se(parse_nsec(" xyz ", &u) < 0);
        assert_se(parse_nsec("", &u) < 0);
        assert_se(parse_nsec(" . ", &u) < 0);
        assert_se(parse_nsec(" 5. ", &u) < 0);
        assert_se(parse_nsec(".s ", &u) < 0);
        assert_se(parse_nsec(" infinity .7", &u) < 0);
        assert_se(parse_nsec(".3 infinity", &u) < 0);
}

static void test_format_timespan_one(usec_t x, usec_t accuracy) {
        char *r;
        char l[FORMAT_TIMESPAN_MAX];
        usec_t y;

        log_info(USEC_FMT"     (at accuracy "USEC_FMT")", x, accuracy);

        r = format_timespan(l, sizeof(l), x, accuracy);
        assert_se(r);

        log_info(" = <%s>", l);

        assert_se(parse_sec(l, &y) >= 0);

        log_info(" = "USEC_FMT, y);

        if (accuracy <= 0)
                accuracy = 1;

        assert_se(x / accuracy == y / accuracy);
}

static void test_format_timespan(usec_t accuracy) {
        test_format_timespan_one(0, accuracy);
        test_format_timespan_one(1, accuracy);
        test_format_timespan_one(1*USEC_PER_SEC, accuracy);
        test_format_timespan_one(999*USEC_PER_MSEC, accuracy);
        test_format_timespan_one(1234567, accuracy);
        test_format_timespan_one(12, accuracy);
        test_format_timespan_one(123, accuracy);
        test_format_timespan_one(1234, accuracy);
        test_format_timespan_one(12345, accuracy);
        test_format_timespan_one(123456, accuracy);
        test_format_timespan_one(1234567, accuracy);
        test_format_timespan_one(12345678, accuracy);
        test_format_timespan_one(1200000, accuracy);
        test_format_timespan_one(1230000, accuracy);
        test_format_timespan_one(1230000, accuracy);
        test_format_timespan_one(1234000, accuracy);
        test_format_timespan_one(1234500, accuracy);
        test_format_timespan_one(1234560, accuracy);
        test_format_timespan_one(1234567, accuracy);
        test_format_timespan_one(986087, accuracy);
        test_format_timespan_one(500 * USEC_PER_MSEC, accuracy);
        test_format_timespan_one(9*USEC_PER_YEAR/5 - 23, accuracy);
        test_format_timespan_one(USEC_INFINITY, accuracy);
}

static void test_timezone_is_valid(void) {
        assert_se(timezone_is_valid("Europe/Berlin"));
        assert_se(timezone_is_valid("Australia/Sydney"));
        assert_se(!timezone_is_valid("Europe/Do not exist"));
}

static void test_get_timezones(void) {
        _cleanup_strv_free_ char **zones = NULL;
        int r;
        char **zone;

        r = get_timezones(&zones);
        assert_se(r == 0);

        STRV_FOREACH(zone, zones)
                assert_se(timezone_is_valid(*zone));
}

static void test_usec_add(void) {
        assert_se(usec_add(0, 0) == 0);
        assert_se(usec_add(1, 4) == 5);
        assert_se(usec_add(USEC_INFINITY, 5) == USEC_INFINITY);
        assert_se(usec_add(5, USEC_INFINITY) == USEC_INFINITY);
        assert_se(usec_add(USEC_INFINITY-5, 2) == USEC_INFINITY-3);
        assert_se(usec_add(USEC_INFINITY-2, 2) == USEC_INFINITY);
        assert_se(usec_add(USEC_INFINITY-1, 2) == USEC_INFINITY);
        assert_se(usec_add(USEC_INFINITY, 2) == USEC_INFINITY);
}

static void test_usec_sub(void) {
        assert_se(usec_sub(0, 0) == 0);
        assert_se(usec_sub(4, 1) == 3);
        assert_se(usec_sub(4, 4) == 0);
        assert_se(usec_sub(4, 5) == 0);
        assert_se(usec_sub(USEC_INFINITY-3, -3) == USEC_INFINITY);
        assert_se(usec_sub(USEC_INFINITY-3, -3) == USEC_INFINITY);
        assert_se(usec_sub(USEC_INFINITY-3, -4) == USEC_INFINITY);
        assert_se(usec_sub(USEC_INFINITY-3, -5) == USEC_INFINITY);
        assert_se(usec_sub(USEC_INFINITY, 5) == USEC_INFINITY);
}

static void test_format_timestamp(void) {
        unsigned i;

        for (i = 0; i < 100; i++) {
                char buf[MAX(FORMAT_TIMESTAMP_MAX, FORMAT_TIMESPAN_MAX)];
                usec_t x, y;

                random_bytes(&x, sizeof(x));
                x = x % (2147483600 * USEC_PER_SEC) + 1;

                assert_se(format_timestamp(buf, sizeof(buf), x));
                log_info("%s", buf);
                assert_se(parse_timestamp(buf, &y) >= 0);
                assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);

                assert_se(format_timestamp_utc(buf, sizeof(buf), x));
                log_info("%s", buf);
                assert_se(parse_timestamp(buf, &y) >= 0);
                assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);

                assert_se(format_timestamp_us(buf, sizeof(buf), x));
                log_info("%s", buf);
                assert_se(parse_timestamp(buf, &y) >= 0);
                assert_se(x == y);

                assert_se(format_timestamp_us_utc(buf, sizeof(buf), x));
                log_info("%s", buf);
                assert_se(parse_timestamp(buf, &y) >= 0);
                assert_se(x == y);

                assert_se(format_timestamp_relative(buf, sizeof(buf), x));
                log_info("%s", buf);
                assert_se(parse_timestamp(buf, &y) >= 0);

                /* The two calls above will run with a slightly different local time. Make sure we are in the same
                 * range however, but give enough leeway that this is unlikely to explode. And of course,
                 * format_timestamp_relative() scales the accuracy with the distance from the current time up to one
                 * month, cover for that too. */
                assert_se(y > x ? y - x : x - y <= USEC_PER_MONTH + USEC_PER_DAY);
        }
}

int main(int argc, char *argv[]) {
        uintmax_t x;

        test_parse_sec();
        test_parse_time();
        test_parse_nsec();
        test_format_timespan(1);
        test_format_timespan(USEC_PER_MSEC);
        test_format_timespan(USEC_PER_SEC);
        test_timezone_is_valid();
        test_get_timezones();
        test_usec_add();
        test_usec_sub();
        test_format_timestamp();

        /* Ensure time_t is signed */
        assert_cc((time_t) -1 < (time_t) 1);

        /* Ensure TIME_T_MAX works correctly */
        x = (uintmax_t) TIME_T_MAX;
        x++;
        assert((time_t) x < 0);

        return 0;
}
Commit	Line	Data
cb0dac05 LP	1	/***
	2	This file is part of systemd.
	3
	4	Copyright 2013 Lennart Poettering
	5
	6	systemd is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU Lesser General Public License as published by
	8	the Free Software Foundation; either version 2.1 of the License, or
	9	(at your option) any later version.
	10
	11	systemd is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public License
	17	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	18	***/
	19
6accc7a2	20	#include "strv.h"
cf0fbc49	21	#include "time-util.h"
21b3a0fc	22	#include "random-util.h"
cb0dac05 LP	23
	24	static void test_parse_sec(void) {
	25	usec_t u;
	26
	27	assert_se(parse_sec("5s", &u) >= 0);
	28	assert_se(u == 5 * USEC_PER_SEC);
	29	assert_se(parse_sec("5s500ms", &u) >= 0);
	30	assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
	31	assert_se(parse_sec(" 5s 500ms ", &u) >= 0);
	32	assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
	33	assert_se(parse_sec(" 5.5s ", &u) >= 0);
	34	assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
	35	assert_se(parse_sec(" 5.5s 0.5ms ", &u) >= 0);
	36	assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC + 500);
	37	assert_se(parse_sec(" .22s ", &u) >= 0);
	38	assert_se(u == 220 * USEC_PER_MSEC);
	39	assert_se(parse_sec(" .50y ", &u) >= 0);
	40	assert_se(u == USEC_PER_YEAR / 2);
	41	assert_se(parse_sec("2.5", &u) >= 0);
	42	assert_se(u == 2500 * USEC_PER_MSEC);
	43	assert_se(parse_sec(".7", &u) >= 0);
	44	assert_se(u == 700 * USEC_PER_MSEC);
b1d6dcf5 ZJS	45	assert_se(parse_sec("infinity", &u) >= 0);
	46	assert_se(u == USEC_INFINITY);
	47	assert_se(parse_sec(" infinity ", &u) >= 0);
	48	assert_se(u == USEC_INFINITY);
cb0dac05 LP	49
	50	assert_se(parse_sec(" xyz ", &u) < 0);
	51	assert_se(parse_sec("", &u) < 0);
	52	assert_se(parse_sec(" . ", &u) < 0);
	53	assert_se(parse_sec(" 5. ", &u) < 0);
	54	assert_se(parse_sec(".s ", &u) < 0);
b1d6dcf5 ZJS	55	assert_se(parse_sec(" infinity .7", &u) < 0);
b1d6dcf5 ZJS	56	assert_se(parse_sec(".3 infinity", &u) < 0);
cb0dac05 LP	57	}
cb0dac05 LP	58
519cffec LP	59	static void test_parse_time(void) {
	60	usec_t u;
	61
	62	assert_se(parse_time("5", &u, 1) >= 0);
	63	assert_se(u == 5);
	64
	65	assert_se(parse_time("5", &u, USEC_PER_MSEC) >= 0);
	66	assert_se(u == 5 * USEC_PER_MSEC);
	67
	68	assert_se(parse_time("5", &u, USEC_PER_SEC) >= 0);
	69	assert_se(u == 5 * USEC_PER_SEC);
	70
	71	assert_se(parse_time("5s", &u, 1) >= 0);
	72	assert_se(u == 5 * USEC_PER_SEC);
	73
	74	assert_se(parse_time("5s", &u, USEC_PER_SEC) >= 0);
	75	assert_se(u == 5 * USEC_PER_SEC);
	76
	77	assert_se(parse_time("5s", &u, USEC_PER_MSEC) >= 0);
	78	assert_se(u == 5 * USEC_PER_SEC);
	79	}
	80
cb0dac05 LP	81	static void test_parse_nsec(void) {
	82	nsec_t u;
	83
	84	assert_se(parse_nsec("5s", &u) >= 0);
	85	assert_se(u == 5 * NSEC_PER_SEC);
	86	assert_se(parse_nsec("5s500ms", &u) >= 0);
	87	assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
	88	assert_se(parse_nsec(" 5s 500ms ", &u) >= 0);
	89	assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
	90	assert_se(parse_nsec(" 5.5s ", &u) >= 0);
	91	assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
	92	assert_se(parse_nsec(" 5.5s 0.5ms ", &u) >= 0);
	93	assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC + 500 * NSEC_PER_USEC);
	94	assert_se(parse_nsec(" .22s ", &u) >= 0);
	95	assert_se(u == 220 * NSEC_PER_MSEC);
	96	assert_se(parse_nsec(" .50y ", &u) >= 0);
	97	assert_se(u == NSEC_PER_YEAR / 2);
	98	assert_se(parse_nsec("2.5", &u) >= 0);
	99	assert_se(u == 2);
	100	assert_se(parse_nsec(".7", &u) >= 0);
	101	assert_se(u == 0);
fdd30a15 DM	102	assert_se(parse_nsec("infinity", &u) >= 0);
	103	assert_se(u == NSEC_INFINITY);
	104	assert_se(parse_nsec(" infinity ", &u) >= 0);
	105	assert_se(u == NSEC_INFINITY);
cb0dac05 LP	106
	107	assert_se(parse_nsec(" xyz ", &u) < 0);
	108	assert_se(parse_nsec("", &u) < 0);
	109	assert_se(parse_nsec(" . ", &u) < 0);
	110	assert_se(parse_nsec(" 5. ", &u) < 0);
	111	assert_se(parse_nsec(".s ", &u) < 0);
fdd30a15 DM	112	assert_se(parse_nsec(" infinity .7", &u) < 0);
fdd30a15 DM	113	assert_se(parse_nsec(".3 infinity", &u) < 0);
cb0dac05 LP	114	}
cb0dac05 LP	115
2fa4092c LP	116	static void test_format_timespan_one(usec_t x, usec_t accuracy) {
	117	char *r;
	118	char l[FORMAT_TIMESPAN_MAX];
	119	usec_t y;
	120
de0671ee	121	log_info(USEC_FMT" (at accuracy "USEC_FMT")", x, accuracy);
2fa4092c LP	122
	123	r = format_timespan(l, sizeof(l), x, accuracy);
	124	assert_se(r);
	125
	126	log_info(" = <%s>", l);
	127
	128	assert_se(parse_sec(l, &y) >= 0);
	129
de0671ee	130	log_info(" = "USEC_FMT, y);
2fa4092c LP	131
	132	if (accuracy <= 0)
	133	accuracy = 1;
	134
	135	assert_se(x / accuracy == y / accuracy);
	136	}
	137
	138	static void test_format_timespan(usec_t accuracy) {
	139	test_format_timespan_one(0, accuracy);
	140	test_format_timespan_one(1, accuracy);
	141	test_format_timespan_one(1*USEC_PER_SEC, accuracy);
	142	test_format_timespan_one(999*USEC_PER_MSEC, accuracy);
	143	test_format_timespan_one(1234567, accuracy);
	144	test_format_timespan_one(12, accuracy);
	145	test_format_timespan_one(123, accuracy);
	146	test_format_timespan_one(1234, accuracy);
	147	test_format_timespan_one(12345, accuracy);
	148	test_format_timespan_one(123456, accuracy);
	149	test_format_timespan_one(1234567, accuracy);
	150	test_format_timespan_one(12345678, accuracy);
	151	test_format_timespan_one(1200000, accuracy);
	152	test_format_timespan_one(1230000, accuracy);
	153	test_format_timespan_one(1230000, accuracy);
	154	test_format_timespan_one(1234000, accuracy);
	155	test_format_timespan_one(1234500, accuracy);
	156	test_format_timespan_one(1234560, accuracy);
	157	test_format_timespan_one(1234567, accuracy);
	158	test_format_timespan_one(986087, accuracy);
	159	test_format_timespan_one(500 * USEC_PER_MSEC, accuracy);
	160	test_format_timespan_one(9*USEC_PER_YEAR/5 - 23, accuracy);
b1d6dcf5	161	test_format_timespan_one(USEC_INFINITY, accuracy);
2fa4092c LP	162	}
2fa4092c LP	163
6accc7a2 RC	164	static void test_timezone_is_valid(void) {
	165	assert_se(timezone_is_valid("Europe/Berlin"));
	166	assert_se(timezone_is_valid("Australia/Sydney"));
	167	assert_se(!timezone_is_valid("Europe/Do not exist"));
	168	}
	169
	170	static void test_get_timezones(void) {
	171	_cleanup_strv_free_ char **zones = NULL;
	172	int r;
	173	char **zone;
	174
	175	r = get_timezones(&zones);
	176	assert_se(r == 0);
	177
53f555b6	178	STRV_FOREACH(zone, zones)
6accc7a2	179	assert_se(timezone_is_valid(*zone));
53f555b6 LP	180	}
	181
	182	static void test_usec_add(void) {
	183	assert_se(usec_add(0, 0) == 0);
	184	assert_se(usec_add(1, 4) == 5);
	185	assert_se(usec_add(USEC_INFINITY, 5) == USEC_INFINITY);
	186	assert_se(usec_add(5, USEC_INFINITY) == USEC_INFINITY);
	187	assert_se(usec_add(USEC_INFINITY-5, 2) == USEC_INFINITY-3);
	188	assert_se(usec_add(USEC_INFINITY-2, 2) == USEC_INFINITY);
	189	assert_se(usec_add(USEC_INFINITY-1, 2) == USEC_INFINITY);
	190	assert_se(usec_add(USEC_INFINITY, 2) == USEC_INFINITY);
6accc7a2 RC	191	}
6accc7a2 RC	192
04a1d84c LP	193	static void test_usec_sub(void) {
	194	assert_se(usec_sub(0, 0) == 0);
	195	assert_se(usec_sub(4, 1) == 3);
	196	assert_se(usec_sub(4, 4) == 0);
	197	assert_se(usec_sub(4, 5) == 0);
	198	assert_se(usec_sub(USEC_INFINITY-3, -3) == USEC_INFINITY);
	199	assert_se(usec_sub(USEC_INFINITY-3, -3) == USEC_INFINITY);
	200	assert_se(usec_sub(USEC_INFINITY-3, -4) == USEC_INFINITY);
	201	assert_se(usec_sub(USEC_INFINITY-3, -5) == USEC_INFINITY);
	202	assert_se(usec_sub(USEC_INFINITY, 5) == USEC_INFINITY);
	203	}
	204
21b3a0fc LP	205	static void test_format_timestamp(void) {
	206	unsigned i;
	207
	208	for (i = 0; i < 100; i++) {
	209	char buf[MAX(FORMAT_TIMESTAMP_MAX, FORMAT_TIMESPAN_MAX)];
	210	usec_t x, y;
	211
	212	random_bytes(&x, sizeof(x));
	213	x = x % (2147483600 * USEC_PER_SEC) + 1;
	214
	215	assert_se(format_timestamp(buf, sizeof(buf), x));
	216	log_info("%s", buf);
	217	assert_se(parse_timestamp(buf, &y) >= 0);
	218	assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);
	219
	220	assert_se(format_timestamp_utc(buf, sizeof(buf), x));
	221	log_info("%s", buf);
	222	assert_se(parse_timestamp(buf, &y) >= 0);
	223	assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);
	224
	225	assert_se(format_timestamp_us(buf, sizeof(buf), x));
	226	log_info("%s", buf);
	227	assert_se(parse_timestamp(buf, &y) >= 0);
	228	assert_se(x == y);
	229
	230	assert_se(format_timestamp_us_utc(buf, sizeof(buf), x));
	231	log_info("%s", buf);
	232	assert_se(parse_timestamp(buf, &y) >= 0);
	233	assert_se(x == y);
	234
	235	assert_se(format_timestamp_relative(buf, sizeof(buf), x));
	236	log_info("%s", buf);
	237	assert_se(parse_timestamp(buf, &y) >= 0);
	238
	239	/* The two calls above will run with a slightly different local time. Make sure we are in the same
	240	* range however, but give enough leeway that this is unlikely to explode. And of course,
	241	* format_timestamp_relative() scales the accuracy with the distance from the current time up to one
	242	* month, cover for that too. */
	243	assert_se(y > x ? y - x : x - y <= USEC_PER_MONTH + USEC_PER_DAY);
	244	}
	245	}
	246
cb0dac05	247	int main(int argc, char *argv[]) {
2d60169d LP	248	uintmax_t x;
2d60169d LP	249
cb0dac05	250	test_parse_sec();
519cffec	251	test_parse_time();
cb0dac05	252	test_parse_nsec();
2fa4092c LP	253	test_format_timespan(1);
	254	test_format_timespan(USEC_PER_MSEC);
	255	test_format_timespan(USEC_PER_SEC);
6accc7a2 RC	256	test_timezone_is_valid();
6accc7a2 RC	257	test_get_timezones();
53f555b6	258	test_usec_add();
04a1d84c	259	test_usec_sub();
21b3a0fc	260	test_format_timestamp();
6accc7a2	261
2d60169d LP	262	/* Ensure time_t is signed */
	263	assert_cc((time_t) -1 < (time_t) 1);
	264
	265	/* Ensure TIME_T_MAX works correctly */
	266	x = (uintmax_t) TIME_T_MAX;
313cefa1	267	x++;
2d60169d LP	268	assert((time_t) x < 0);
2d60169d LP	269
cb0dac05 LP	270	return 0;
cb0dac05 LP	271	}