/* * tests for mktime(), mkgmtime(), unix_to_iso8601() and iso8601_to_unix(). * mktime() is a libc function, why test it? * * This file is Copyright (c) 2010 by the GPSD project * SPDX-License-Identifier: BSD-2-clause */ #include #include /* for fabs() */ #include #include #include #include #include #include "../gps.h" #include "../compiler.h" #define TIME_T_BITS ((int)(sizeof(time_t) * CHAR_BIT)) #define TIME_T_MAX ((1ULL << (TIME_T_BITS - 1)) - 1) static struct { struct tm t; time_t result; } tests[] = { /* *INDENT-OFF* */ /* sec, min, h, md, mon, year, wd, yd, isdst, gmtoff, zone timestamp what */ {{ 0, 0, 0, 1, 0, 70, 0, 0, 0, 0, 0, }, 0 }, {{ 0, 0, 0, 1, 0, 70, 0, 0, 0, 0, 0, }, 0 }, /* lower limit */ {{ 7, 14, 3, 19, 0, 138, 0, 0, 0, 0, 0, }, 0x7fffffff }, /* upper limit */ {{ 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 }, /* 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 }, /* leap year */ {{ 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 }, /* year 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 }, /* month wrap */ /* *INDENT-ON* */ }; /* tests for unit_to_iso8601() */ static struct { timestamp_t unixtime; /* unix time */ char *iso8601; /* iso8601 result */ } tests1[] = { /* time zero */ {(timestamp_t)0, "1970-01-01T00:00:00.000Z"}, /* before/after leap second end of 2008, notice no :60! */ {(timestamp_t)1230767999.01, "2008-12-31T23:59:59.010Z"}, {(timestamp_t)1230768000.02, "2009-01-01T00:00:00.020Z"}, /* test for rounding at %.3f */ {(timestamp_t)1541766896.999412, "2018-11-09T12:34:56.999Z"}, {(timestamp_t)1541766896.999499, "2018-11-09T12:34:56.999Z"}, {(timestamp_t)1541766896.999500, "2018-11-09T12:34:57.000Z"}, {(timestamp_t)1541766896.999501, "2018-11-09T12:34:57.000Z"}, /* the end of time: 2038 */ {(timestamp_t)2147483647.123456, "2038-01-19T03:14:07.123Z"}, {(timestamp_t)2147483648.123456, "2038-01-19T03:14:08.123Z"}, /* test the NaN case */ {(timestamp_t)NAN, "NaN"}, }; /* Skip test if value is out of time_t range */ static int check_range(const char *name, timestamp_t ts, const char *text) { if ((unsigned long long) ts > TIME_T_MAX) { (void)printf("test_mktime: skipping %s for %s due to %d-bit time_t\n", name, text, TIME_T_BITS); return 1; } return 0; } int main(int argc UNUSED, char *argv[] UNUSED) { int i; char tbuf[128]; bool failed = false; timestamp_t ttime; (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 unix_to_iso8601() */ for (i = 0; i < (int)(sizeof(tests1) / sizeof(tests1[0])); i++) { if (check_range("unix_to_iso8601()", tests1[i].unixtime, tests1[i].iso8601)) { continue; } unix_to_iso8601(tests1[i].unixtime, tbuf, sizeof(tbuf)); if (0 != strcmp(tests1[i].iso8601, tbuf)) { failed = true; (void)printf("test_mktime: unix_to_iso8601() test %f failed.\n" " Got %s, s/b %s\n", tests1[i].unixtime, tbuf, tests1[i].iso8601); } } /* test iso8601_to_unix() */ for (i = 0; i < (int)(sizeof(tests1) / sizeof(tests1[0])); i++) { if (check_range("iso8601_to_unix()", tests1[i].unixtime, tests1[i].iso8601)) { continue; } ttime = iso8601_to_unix(tests1[i].iso8601); if (0.001 <= fabs(ttime - tests1[i].unixtime)) { failed = true; (void)printf("test_mktime: iso8601_to_unix() test %s failed.\n" " Got %.3f, s/b %.3f\n", tests1[i].iso8601, ttime, tests1[i].unixtime); } } return (int)failed; } /* end */