cosmopolitan/test/libc/time/clock_gettime_test.c

36 lines
2.3 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/conv/conv.h"
#include "libc/runtime/gc.h"
#include "libc/stdio/stdio.h"
#include "libc/sysv/consts/clock.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
#include "libc/calls/struct/timespec.h"
#include "libc/x/x.h"
TEST(clock_gettime, testClockRealtime) {
struct timeval tv;
struct timespec ts;
EXPECT_NE(-1, gettimeofday(&tv, NULL));
EXPECT_NE(-1, clock_gettime(CLOCK_REALTIME, &ts));
EXPECT_LT((unsigned)abs(ts.tv_sec - tv.tv_sec), 5u);
}