cosmopolitan/test/libc/time/strftime_test.c

102 lines
4.3 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program 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 │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/limits.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
textstartup static void strftime_test_init(void) {
setenv("TZ", "GST", true);
}
const void *const strftime_test_ctor[] initarray = {strftime_test_init};
testonly char *FormatTime(const char *fmt, struct tm *tm) {
static char buf[64];
strftime(buf, sizeof(buf), fmt, tm);
return &buf[0];
}
TEST(strftime_100, iso8601_ShakaZuluTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("2019-05-06T15:04:46Z",
FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t)));
}
TEST(xiso8601, testUnixYearZero) {
int64_t t = 0;
ASSERT_STREQ("1970-01-01T00:00:00Z",
FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t)));
}
TEST(strftime_100, rfc2822_ShakaZuluTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("Mon, 06 May 2019 15:04:46 +0000",
FormatTime("%a, %d %b %Y %T %z", gmtime(&t)));
}
TEST(strftime_100, rfc822_ShakaZuluTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("Mon, 06 May 19 15:04:46 +0000",
FormatTime("%a, %d %b %y %T %z", gmtime(&t)));
}
TEST(strftime_201, iso8601_GoogleStandardTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("2019-05-06T08:04:46PDT",
FormatTime("%Y-%m-%dT%H:%M:%S%Z", localtime(&t)));
}
TEST(strftime_201, rfc2822_GoogleStandardTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("Mon, 06 May 2019 08:04:46 -0700",
FormatTime("%a, %d %b %Y %T %z", localtime(&t)));
}
TEST(strftime_201, rfc822_GoogleStandardTime) {
int64_t t = 0x5cd04d0e;
ASSERT_STREQ("Mon, 06 May 19 08:04:46 -0700",
FormatTime("%a, %d %b %y %T %z", localtime(&t)));
}
/* TEST(xiso8601, testModernity_TODO) { */
/* int64_t t = (1600 - 1970) * 31536000; */
/* ASSERT_STREQ("1600-01-01T00:00:00Z", */
/* FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t))); */
/* } */
TEST(xiso8601, testAtLeastBetterThanTraditionalUnixLimit) {
int64_t t = 10737418235;
ASSERT_STREQ("2310-04-04T16:10:35Z",
FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t)));
}
TEST(xiso8601, testSomethingHuge) {
int64_t t = 7707318812667;
ASSERT_STREQ("246205-03-18T20:24:27Z",
FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t)));
}
/* TEST(xiso8601, testMostOfStelliferousEra_TODO) { */
/* int64_t t = INT64_MAX; */
/* ASSERT_STREQ("somethinghuge-01-01T00:00:00Z", */
/* FormatTime("%Y-%m-%dT%H:%M:%SZ", gmtime(&t))); */
/* } */