2022-04-26 04:16:05 +00:00
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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2023-12-08 03:11:56 +00:00
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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2020-06-15 14:18:57 +00:00
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╞══════════════════════════════════════════════════════════════════════════════╡
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2022-04-26 04:16:05 +00:00
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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2020-06-15 14:18:57 +00:00
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│ │
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2020-12-28 01:18:44 +00:00
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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2020-06-15 14:18:57 +00:00
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│ │
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2020-12-28 01:18:44 +00:00
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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2020-06-15 14:18:57 +00:00
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╚─────────────────────────────────────────────────────────────────────────────*/
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2022-04-26 04:16:05 +00:00
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#include "libc/calls/struct/timespec.h"
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2022-05-24 17:19:39 +00:00
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#include "libc/calls/struct/timeval.h"
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2022-08-11 07:15:29 +00:00
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#include "libc/errno.h"
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2024-09-04 07:38:44 +00:00
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#include "libc/macros.h"
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2022-06-11 07:05:06 +00:00
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#include "libc/sysv/consts/clock.h"
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2024-09-04 07:38:44 +00:00
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#include "libc/testlib/benchmark.h"
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2022-04-26 04:16:05 +00:00
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#include "libc/testlib/testlib.h"
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2022-05-24 17:19:39 +00:00
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2023-10-03 02:25:19 +00:00
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TEST(clock_gettime, nullResult_validatesClockParam) {
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ASSERT_SYS(EINVAL, -1, clock_gettime(666, 0));
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}
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2022-05-24 17:19:39 +00:00
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TEST(clock_gettime, test) {
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struct timespec ts = {0};
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ASSERT_EQ(0, clock_gettime(0, &ts));
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ASSERT_NE(0, ts.tv_sec);
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ASSERT_NE(0, ts.tv_nsec);
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2023-10-03 02:25:19 +00:00
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}
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TEST(clock_gettime, testClockRealtime) {
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struct timeval tv;
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struct timespec ts;
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EXPECT_NE(-1, gettimeofday(&tv, NULL));
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EXPECT_NE(-1, clock_gettime(CLOCK_REALTIME, &ts));
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EXPECT_LT((unsigned)ABS(ts.tv_sec - tv.tv_sec), 5u);
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2022-05-24 17:19:39 +00:00
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}
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2020-06-15 14:18:57 +00:00
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2023-11-18 09:57:44 +00:00
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TEST(clock_gettime, bench) {
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2022-04-26 04:16:05 +00:00
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struct timespec ts;
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2024-09-04 07:38:44 +00:00
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BENCHMARK(1, 1, timespec_real());
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BENCHMARK(1000, 1, timespec_real());
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if (!clock_gettime(CLOCK_REALTIME, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_REALTIME, &ts));
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if (!clock_gettime(CLOCK_REALTIME_COARSE, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_REALTIME_COARSE, &ts));
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if (!clock_gettime(CLOCK_MONOTONIC, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_MONOTONIC, &ts));
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if (!clock_gettime(CLOCK_MONOTONIC_COARSE, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_MONOTONIC_COARSE, &ts));
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if (!clock_gettime(CLOCK_MONOTONIC_RAW, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_MONOTONIC_RAW, &ts));
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if (!clock_gettime(CLOCK_BOOTTIME, 0))
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BENCHMARK(1000, 1, clock_gettime(CLOCK_BOOTTIME, &ts));
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2022-04-26 04:16:05 +00:00
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}
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