blob: 4dce98545a622034a1984eb522c2d01a16edb037 [file] [log] [blame]
/*
* Copyright (c) 2019 Peter Bigot Consulting
*
* SPDX-License-Identifier: Apache-2.0
*/
/* Tests where time_t requires a 64-bit value */
#include <errno.h>
#include <ztest.h>
#include "timeutil_test.h"
static const struct timeutil_test_data tests[] = {
/* 32-bit, but algorithm subtraction underflows */
{ .ux = -2147483648,
.civil = "1901-12-13 20:45:52 Fri 347",
.tm = {
.tm_sec = 52,
.tm_min = 45,
.tm_hour = 20,
.tm_mday = 13,
.tm_mon = 11,
.tm_year = 1,
.tm_wday = 5,
.tm_yday = 346,
} },
{ .ux = (time_t)-2147483649,
.civil = "1901-12-13 20:45:51 Fri 347",
.tm = {
.tm_sec = 51,
.tm_min = 45,
.tm_hour = 20,
.tm_mday = 13,
.tm_mon = 11,
.tm_year = 1,
.tm_wday = 5,
.tm_yday = 346,
} },
{ .ux = (time_t)2147483648,
.civil = "2038-01-19 03:14:08 Tue 019",
.tm = {
.tm_sec = 8,
.tm_min = 14,
.tm_hour = 3,
.tm_mday = 19,
.tm_mon = 0,
.tm_year = 138,
.tm_wday = 2,
.tm_yday = 18,
} },
{ .ux = (time_t)64060588799,
.civil = "3999-12-31 23:59:59 Fri 365",
.tm = {
.tm_sec = 59,
.tm_min = 59,
.tm_hour = 23,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = 2099,
.tm_wday = 5,
.tm_yday = 364,
} },
{ .ux = (time_t)64060588800,
.civil = "4000-01-01 00:00:00 Sat 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 2100,
.tm_wday = 6,
.tm_yday = 0,
} },
/* Normal century is a common year */
{ .ux = (time_t)-2208988801,
.civil = "1899-12-31 23:59:59 Sun 365",
.tm = {
.tm_sec = 59,
.tm_min = 59,
.tm_hour = 23,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = -1,
.tm_wday = 0,
.tm_yday = 364,
} },
{ .ux = (time_t)-2208988800,
.civil = "1900-01-01 00:00:00 Mon 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 0,
.tm_wday = 1,
.tm_yday = 0,
} },
{ .ux = (time_t)-2203977600,
.civil = "1900-02-28 00:00:00 Wed 059",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 28,
.tm_mon = 1,
.tm_year = 0,
.tm_wday = 3,
.tm_yday = 58,
} },
{ .ux = (time_t)-2203891200,
.civil = "1900-03-01 00:00:00 Thu 060",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 2,
.tm_year = 0,
.tm_wday = 4,
.tm_yday = 59,
} },
{ .ux = (time_t)-2177539200,
.civil = "1900-12-31 00:00:00 Mon 365",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = 0,
.tm_wday = 1,
.tm_yday = 364,
} },
{ .ux = (time_t)-2177452800,
.civil = "1901-01-01 00:00:00 Tue 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 1,
.tm_wday = 2,
.tm_yday = 0,
} },
/* Extrema, check against proleptic Gregorian calendar data:
* https://www.timeanddate.com/calendar/?year=1&country=22
*/
{ .ux = (time_t)-62167305600,
.civil = "-1-12-31 00:00:00 Fri 365",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = -1901,
.tm_wday = 5,
.tm_yday = 364,
} },
{ .ux = (time_t)-62167219200,
.civil = "0-01-01 00:00:00 Sat 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = -1900,
.tm_wday = 6,
.tm_yday = 0,
} },
{ .ux = (time_t)-62135596801,
.civil = "0-12-31 23:59:59 Sun 366",
.tm = {
.tm_sec = 59,
.tm_min = 59,
.tm_hour = 23,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = -1900,
.tm_wday = 0,
.tm_yday = 365,
} },
{ .ux = (time_t)-62135596800,
.civil = "1-01-01 00:00:00 Mon 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = -1899,
.tm_wday = 1,
.tm_yday = 0,
} },
{ .ux = (time_t)-62135596800,
.civil = "1-01-01 00:00:00 Mon 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = -1899,
.tm_wday = 1,
.tm_yday = 0,
} },
};
static void test_time32_errno_clear(void)
{
const struct timeutil_test_data *tp = &(const struct timeutil_test_data){
.ux = 0,
.civil = "1970-01-01 00:00:00 Thu 001",
.tm = {
.tm_sec = 0,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 70,
.tm_wday = 4,
.tm_yday = 0,
},
};
errno = EINVAL;
time_t ux = timeutil_timegm(&tp->tm);
zassert_equal(ux, tp->ux,
"conversion incorrect");
zassert_equal(errno, 0,
"errno was not cleared");
}
static void test_time32_epochm1(void)
{
const struct timeutil_test_data *tp = &(const struct timeutil_test_data){
.ux = -1,
.civil = "1969-12-31 23:59:59 Wed 365",
.tm = {
.tm_sec = 59,
.tm_min = 59,
.tm_hour = 23,
.tm_mday = 31,
.tm_mon = 11,
.tm_year = 69,
.tm_wday = 3,
.tm_yday = 364,
},
};
errno = EINVAL;
time_t ux = timeutil_timegm(&tp->tm);
zassert_equal(ux, tp->ux,
"conversion incorrect");
zassert_equal(errno, 0,
"final errno state bad");
}
static void test_time32_underflow(void)
{
const int64_t unix64 = -2147483649;
const struct timeutil_test_data *tp = &(const struct timeutil_test_data){
.civil = "1901-12-13 20:45:51 Fri 347",
.tm = {
.tm_sec = 51,
.tm_min = 45,
.tm_hour = 20,
.tm_mday = 13,
.tm_mon = 11,
.tm_year = 1,
.tm_wday = 5,
.tm_yday = 346,
},
};
zassert_equal(timeutil_timegm64(&tp->tm), unix64,
"fullscale failed");
errno = 0;
time_t ux = timeutil_timegm(&tp->tm);
zassert_equal(ux, -1,
"underflow undetected");
zassert_equal(errno, ERANGE,
"final errno state bad");
}
static void test_time32_overflow(void)
{
const int64_t unix64 = 2147483648;
const struct timeutil_test_data *tp = &(const struct timeutil_test_data){
.civil = "2038-01-19 03:14:08 Tue 019",
.tm = {
.tm_sec = 8,
.tm_min = 14,
.tm_hour = 3,
.tm_mday = 19,
.tm_mon = 0,
.tm_year = 138,
.tm_wday = 2,
.tm_yday = 18,
},
};
zassert_equal(timeutil_timegm64(&tp->tm), unix64,
"fullscale failed");
errno = 0;
time_t ux = timeutil_timegm(&tp->tm);
zassert_equal(ux, -1,
"overflow undetected");
zassert_equal(errno, ERANGE,
"final errno state bad");
}
void test_s64(void)
{
if (sizeof(time_t) < 8U) {
test_time32_errno_clear();
test_time32_epochm1();
test_time32_underflow();
test_time32_overflow();
return;
}
timeutil_check(tests, sizeof(tests) / sizeof(*tests));
}