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// Copyright © Tavian Barnes <tavianator@tavianator.com>
// SPDX-License-Identifier: 0BSD
#include "tests.h"
#include "../src/xtime.h"
#include "../src/bfstd.h"
#include "../src/config.h"
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
static bool tm_equal(const struct tm *tma, const struct tm *tmb) {
return tma->tm_year == tmb->tm_year
&& tma->tm_mon == tmb->tm_mon
&& tma->tm_mday == tmb->tm_mday
&& tma->tm_hour == tmb->tm_hour
&& tma->tm_min == tmb->tm_min
&& tma->tm_sec == tmb->tm_sec
&& tma->tm_wday == tmb->tm_wday
&& tma->tm_yday == tmb->tm_yday
&& tma->tm_isdst == tmb->tm_isdst;
}
/** Check one xgetdate() result. */
static bool check_one_xgetdate(const char *str, int error, time_t expected) {
struct timespec ts;
int ret = xgetdate(str, &ts);
if (error) {
return bfs_check(ret == -1 && errno == error, "xgetdate('%s'): %s", str, xstrerror(errno));
} else {
return bfs_check(ret == 0, "xgetdate('%s'): %s", str, xstrerror(errno))
&& bfs_check(ts.tv_sec == expected && ts.tv_nsec == 0,
"xgetdate('%s'): %jd.%09jd != %jd",
str, (intmax_t)ts.tv_sec, (intmax_t)ts.tv_nsec, (intmax_t)expected);
}
}
/** xgetdate() tests. */
static bool check_xgetdate(void) {
bool ret = true;
ret &= check_one_xgetdate("", EINVAL, 0);
ret &= check_one_xgetdate("????", EINVAL, 0);
ret &= check_one_xgetdate("1991", EINVAL, 0);
ret &= check_one_xgetdate("1991-??", EINVAL, 0);
ret &= check_one_xgetdate("1991-12", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-??", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14", 0, 692668800);
ret &= check_one_xgetdate("1991-12-14-", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T??", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T10", 0, 692704800);
ret &= check_one_xgetdate("1991-12-14T10:??", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T10:11", 0, 692705460);
ret &= check_one_xgetdate("1991-12-14T10:11:??", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T10:11:12", 0, 692705472);
ret &= check_one_xgetdate("1991-12-14T10Z", 0, 692704800);
ret &= check_one_xgetdate("1991-12-14T10:11Z", 0, 692705460);
ret &= check_one_xgetdate("1991-12-14T10:11:12Z", 0, 692705472);
ret &= check_one_xgetdate("1991-12-14T10:11:12?", EINVAL, 0);
ret &= check_one_xgetdate("1991-12-14T03-07", 0, 692704800);
ret &= check_one_xgetdate("1991-12-14T06:41-03:30", 0, 692705460);
ret &= check_one_xgetdate("1991-12-14T03:11:12-07:00", 0, 692705472);
ret &= check_one_xgetdate("19911214 031112-0700", 0, 692705472);;
return ret;
}
#define TM_FORMAT "%04d-%02d-%02d %02d:%02d:%02d (%d/7, %d/365%s)"
#define TM_PRINTF(tm) \
(1900 + (tm).tm_year), (tm).tm_mon, (tm).tm_mday, \
(tm).tm_hour, (tm).tm_min, (tm).tm_sec, \
((tm).tm_wday + 1), ((tm).tm_yday + 1), \
((tm).tm_isdst ? ((tm).tm_isdst < 0 ? ", DST?" : ", DST") : "")
/** Check one xmktime() result. */
static bool check_one_xmktime(time_t expected) {
struct tm tm;
if (xlocaltime(&expected, &tm) != 0) {
bfs_diag("xlocaltime(%jd): %s", (intmax_t)expected, xstrerror(errno));
return false;
}
time_t actual;
return bfs_check(xmktime(&tm, &actual) == 0, "xmktime(" TM_FORMAT "): %s", TM_PRINTF(tm), xstrerror(errno))
&& bfs_check(actual == expected, "xmktime(" TM_FORMAT "): %jd != %jd", TM_PRINTF(tm), (intmax_t)actual, (intmax_t)expected);
}
/** xmktime() tests. */
static bool check_xmktime(void) {
bool ret = true;
for (time_t time = -10; time <= 10; ++time) {
ret &= check_one_xmktime(time);
}
return ret;
}
/** Check one xtimegm() result. */
static bool check_one_xtimegm(const struct tm *tm) {
struct tm tma = *tm, tmb = *tm;
time_t ta, tb;
ta = mktime(&tma);
if (xtimegm(&tmb, &tb) != 0) {
tb = -1;
}
bool ret = true;
ret &= bfs_check(ta == tb, "%jd != %jd", (intmax_t)ta, (intmax_t)tb);
ret &= bfs_check(ta == -1 || tm_equal(&tma, &tmb));
if (!ret) {
bfs_diag("mktime(): " TM_FORMAT, TM_PRINTF(tma));
bfs_diag("xtimegm(): " TM_FORMAT, TM_PRINTF(tmb));
bfs_diag("(input): " TM_FORMAT, TM_PRINTF(*tm));
}
return ret;
}
/** xtimegm() tests. */
static bool check_xtimegm(void) {
bool ret = true;
struct tm tm = {
.tm_isdst = -1,
};
for (tm.tm_year = 10; tm.tm_year <= 200; tm.tm_year += 10)
for (tm.tm_mon = -3; tm.tm_mon <= 15; tm.tm_mon += 3)
for (tm.tm_mday = -31; tm.tm_mday <= 61; tm.tm_mday += 4)
for (tm.tm_hour = -1; tm.tm_hour <= 24; tm.tm_hour += 5)
for (tm.tm_min = -1; tm.tm_min <= 60; tm.tm_min += 31)
for (tm.tm_sec = -60; tm.tm_sec <= 120; tm.tm_sec += 5) {
ret &= check_one_xtimegm(&tm);
}
return ret;
}
bool check_xtime(void) {
if (setenv("TZ", "UTC0", true) != 0) {
perror("setenv()");
return false;
}
tzset();
bool ret = true;
ret &= check_xgetdate();
ret &= check_xmktime();
ret &= check_xtimegm();
return ret;
}
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