mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Avoid long double timestamps in redbean

Browse source
This commit is contained in:
Justine Tunney 2022-08-05 19:24:05 -07:00
parent 8d9ac3da50
commit acdf591833
17 changed files with 431 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

76
test/libc/calls/_timespec_test.c Normal file
View file

@ -0,0 +1,76 @@
/*-*- 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 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/timespec.h"
#include "libc/intrin/kprintf.h"
#include "libc/rand/rand.h"
#include "libc/testlib/testlib.h"
TEST(_timespec_gte, test) {
EXPECT_FALSE(_timespec_gte((struct timespec){1}, (struct timespec){2}));
EXPECT_TRUE(_timespec_gte((struct timespec){2}, (struct timespec){2}));
EXPECT_TRUE(_timespec_gte((struct timespec){2}, (struct timespec){1}));
EXPECT_FALSE(_timespec_gte((struct timespec){2}, (struct timespec){2, 1}));
EXPECT_TRUE(_timespec_gte((struct timespec){2, 1}, (struct timespec){2}));
}
TEST(_timespec_sub, test) {
EXPECT_TRUE(
_timespec_eq((struct timespec){-1},
_timespec_sub((struct timespec){1}, (struct timespec){2})));
EXPECT_TRUE(
_timespec_eq((struct timespec){1},
_timespec_sub((struct timespec){2}, (struct timespec){1})));
EXPECT_TRUE(_timespec_eq(
(struct timespec){1, 1},
_timespec_sub((struct timespec){2, 2}, (struct timespec){1, 1})));
EXPECT_TRUE(_timespec_eq(
(struct timespec){0, 999999999},
_timespec_sub((struct timespec){2, 1}, (struct timespec){1, 2})));
}
TEST(_timespec_frommillis, test) {
EXPECT_TRUE(
_timespec_eq((struct timespec){0, 1000000}, _timespec_frommillis(1)));
EXPECT_TRUE(
_timespec_eq((struct timespec){0, 2000000}, _timespec_frommillis(2)));
EXPECT_TRUE(_timespec_eq((struct timespec){1}, _timespec_frommillis(1000)));
}
TEST(_timespec_frommicros, test) {
EXPECT_TRUE(
_timespec_eq((struct timespec){0, 1000}, _timespec_frommicros(1)));
EXPECT_TRUE(
_timespec_eq((struct timespec){0, 2000}, _timespec_frommicros(2)));
EXPECT_TRUE(
_timespec_eq((struct timespec){1}, _timespec_frommicros(1000000)));
}
static long mod(long x, long y) {
if (y == -1) return 0;
return x - y * (x / y - (x % y && (x ^ y) < 0));
}
TEST(_timespec_sub, math) {
for (int i = 0; i < 1000; ++i) {
struct timespec x = {mod(lemur64(), 10), mod(lemur64(), 10)};
struct timespec y = {mod(lemur64(), 10), mod(lemur64(), 10)};
struct timespec z = _timespec_add(_timespec_sub(x, y), y);
EXPECT_TRUE(_timespec_eq(x, _timespec_add(_timespec_sub(x, y), y)));
}
}

1
test/libc/calls/clock_gettime_test.c
View file

@ -55,6 +55,7 @@ BENCH(clock_gettime, bench) {
EZBENCH2("nowl", donothing, nowl());
EZBENCH2("rdtsc", donothing, rdtsc());
EZBENCH2("gettimeofday", donothing, gettimeofday(&tv, 0));
EZBENCH2("_timespec_real", donothing, _timespec_real());
EZBENCH2("clock_gettime 0", donothing,
clock_gettime(CLOCK_REALTIME_FAST, &ts));
EZBENCH2("clock_gettime 1", donothing,