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test_time.c
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/*
* Copyright 2020 New Relic Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*/
#include "nr_axiom.h"
#include "util_sleep.h"
#include "util_time.h"
#include "tlib_main.h"
/*
* Some floating point decimal to binary routines differ in 1 ULP
* when converting microsecond precise time to microseconds.
*/
static int fuzz_time_match(uint64_t expected, uint64_t actual) {
return (expected == actual) || (expected - 1ULL == actual)
|| (expected + 1ULL == actual);
}
static void test_duration(void) {
tlib_pass_if_uint64_t_equal("start > stop", 0, nr_time_duration(1, 0));
tlib_pass_if_uint64_t_equal("start == stop", 0, nr_time_duration(1, 1));
tlib_pass_if_uint64_t_equal("start < stop", 1, nr_time_duration(0, 1));
}
static void test_parse_unix_time(void) {
nrtime_t t1;
t1 = nr_parse_unix_time(0);
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("nope");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("t");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("0");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("0.0");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("9999999999999999999999999999999999999999999999999");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("-1368811467146000");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("3000000000");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("3000000000000");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("900000000");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("900000000000");
tlib_pass_if_true("parse bad unix time", 0 == t1, "t1=" NR_TIME_FMT, t1);
/*
* Microseconds
*/
t1 = nr_parse_unix_time("1368811467146000");
tlib_pass_if_true("parse unix time", 1368811467146000ULL == t1,
"t1=" NR_TIME_FMT, t1);
/*
* Milliseconds
*/
t1 = nr_parse_unix_time("1368811467146.000");
tlib_pass_if_true("parse unix time", 1368811467146000ULL == t1,
"t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("1368811467146");
tlib_pass_if_true("parse unix time", 1368811467146000ULL == t1,
"t1=" NR_TIME_FMT, t1);
/*
* Seconds
*/
t1 = nr_parse_unix_time("1368811467.146000");
tlib_pass_if_true("parse unix time", fuzz_time_match(1368811467146000ULL, t1),
"t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("1368811467.146");
tlib_pass_if_true("parse unix time", fuzz_time_match(1368811467146000ULL, t1),
"t1=" NR_TIME_FMT, t1);
t1 = nr_parse_unix_time("1368811467");
tlib_pass_if_true("parse unix time", fuzz_time_match(1368811467000000ULL, t1),
"t1=" NR_TIME_FMT, t1);
}
tlib_parallel_info_t parallel_info = {.suggested_nthreads = 4, .state_size = 0};
void test_main(void* p NRUNUSED) {
/*
* It is tempting to test nr_msleep and nr_usleep, but those tests
* consistently fail when run on virtual machines (VMs). The VMs cause
* time dilation due to multiple layers of process stoppage, the weird
* notion of real time on a VM, as well as the guest O/S (especially
* on solaris or BSD) not being configured to support a high enough
* clock interrupt rate.
*/
test_parse_unix_time();
test_duration();
}