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bind/tests/isc/time_test.c
Ondřej Surý f5c204ac3e
Move the library init and shutdown to executables 
Instead of relying on unreliable order of execution of the library
constructors and destructors, move them to individual binaries.  The
advantage is that the execution time and order will remain constant and
will not depend on the dynamic load dependency solver.

This requires more work, but that was mitigated by a simple requirement,
any executable using libisc and libdns, must include <isc/lib.h> and
<dns/lib.h> respectively (in this particular order).  In turn, these two
headers must not be included from within any library as they contain
inlined functions marked with constructor/destructor attributes.
2025-02-22 16:19:00 +01:00

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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/lib.h>
#include <isc/result.h>
#include <isc/time.h>
#include <isc/util.h>
#include "time.c"
#include <tests/isc.h>
#define MAX_NS (NS_PER_SEC - 1)
struct time_vectors {
isc_time_t a;
isc_interval_t b;
isc_time_t r;
isc_result_t result;
};
const struct time_vectors vectors_add[8] = {
{ { 0, 0 }, { 0, 0 }, { 0, 0 }, ISC_R_SUCCESS },
{ { 0, MAX_NS }, { 0, MAX_NS }, { 1, MAX_NS - 1 }, ISC_R_SUCCESS },
{ { 0, NS_PER_SEC / 2 },
{ 0, NS_PER_SEC / 2 },
{ 1, 0 },
ISC_R_SUCCESS },
{ { UINT_MAX, MAX_NS }, { 0, 0 }, { UINT_MAX, MAX_NS }, ISC_R_SUCCESS },
{ { UINT_MAX, 0 }, { 0, MAX_NS }, { UINT_MAX, MAX_NS }, ISC_R_SUCCESS },
{ { UINT_MAX, 0 }, { 1, 0 }, { 0, 0 }, ISC_R_RANGE },
{ { UINT_MAX, MAX_NS }, { 0, 1 }, { 0, 0 }, ISC_R_RANGE },
{ { UINT_MAX / 2 + 1, NS_PER_SEC / 2 },
{ UINT_MAX / 2, NS_PER_SEC / 2 },
{ 0, 0 },
ISC_R_RANGE },
};
const struct time_vectors vectors_sub[7] = {
{ { 0, 0 }, { 0, 0 }, { 0, 0 }, ISC_R_SUCCESS },
{ { 1, 0 }, { 0, MAX_NS }, { 0, 1 }, ISC_R_SUCCESS },
{ { 1, NS_PER_SEC / 2 },
{ 0, MAX_NS },
{ 0, NS_PER_SEC / 2 + 1 },
ISC_R_SUCCESS },
{ { UINT_MAX, MAX_NS }, { UINT_MAX, 0 }, { 0, MAX_NS }, ISC_R_SUCCESS },
{ { 0, 0 }, { 1, 0 }, { 0, 0 }, ISC_R_RANGE },
{ { 0, 0 }, { 0, MAX_NS }, { 0, 0 }, ISC_R_RANGE },
};
ISC_RUN_TEST_IMPL(isc_time_add_test) {
UNUSED(state);
for (size_t i = 0; i < ARRAY_SIZE(vectors_add); i++) {
isc_time_t r = { UINT_MAX, UINT_MAX };
isc_result_t result = isc_time_add(&(vectors_add[i].a),
&(vectors_add[i].b), &r);
assert_int_equal(result, vectors_add[i].result);
if (result != ISC_R_SUCCESS) {
continue;
}
assert_int_equal(r.seconds, vectors_add[i].r.seconds);
assert_int_equal(r.nanoseconds, vectors_add[i].r.nanoseconds);
}
expect_assert_failure((void)isc_time_add(&(isc_time_t){ 0, MAX_NS + 1 },
&(isc_interval_t){ 0, 0 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_add(
&(isc_time_t){ 0, 0 }, &(isc_interval_t){ 0, MAX_NS + 1 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_add((isc_time_t *)NULL,
&(isc_interval_t){ 0, 0 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_add(&(isc_time_t){ 0, 0 },
(isc_interval_t *)NULL,
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_add(
&(isc_time_t){ 0, 0 }, &(isc_interval_t){ 0, 0 }, NULL));
}
ISC_RUN_TEST_IMPL(isc_time_sub_test) {
UNUSED(state);
for (size_t i = 0; i < ARRAY_SIZE(vectors_sub); i++) {
isc_time_t r = { UINT_MAX, UINT_MAX };
isc_result_t result = isc_time_subtract(
&(vectors_sub[i].a), &(vectors_sub[i].b), &r);
assert_int_equal(result, vectors_sub[i].result);
if (result != ISC_R_SUCCESS) {
continue;
}
assert_int_equal(r.seconds, vectors_sub[i].r.seconds);
assert_int_equal(r.nanoseconds, vectors_sub[i].r.nanoseconds);
}
expect_assert_failure((void)isc_time_subtract(
&(isc_time_t){ 0, MAX_NS + 1 }, &(isc_interval_t){ 0, 0 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_subtract(
&(isc_time_t){ 0, 0 }, &(isc_interval_t){ 0, MAX_NS + 1 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_subtract((isc_time_t *)NULL,
&(isc_interval_t){ 0, 0 },
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_subtract(&(isc_time_t){ 0, 0 },
(isc_interval_t *)NULL,
&(isc_time_t){ 0, 0 }));
expect_assert_failure((void)isc_time_subtract(
&(isc_time_t){ 0, 0 }, &(isc_interval_t){ 0, 0 }, NULL));
}
/* parse http time stamp */
ISC_RUN_TEST_IMPL(isc_time_parsehttptimestamp_test) {
isc_result_t result;
isc_time_t t, x;
char buf[ISC_FORMATHTTPTIMESTAMP_SIZE];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
isc_time_formathttptimestamp(&t, buf, sizeof(buf));
result = isc_time_parsehttptimestamp(buf, &x);
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(isc_time_seconds(&t), isc_time_seconds(&x));
}
/* print UTC in ISO8601 */
ISC_RUN_TEST_IMPL(isc_time_formatISO8601_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
/* check formatting: yyyy-mm-ddThh:mm:ssZ */
memset(buf, 'X', sizeof(buf));
isc_time_formatISO8601(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), 20);
assert_int_equal(buf[4], '-');
assert_int_equal(buf[7], '-');
assert_int_equal(buf[10], 'T');
assert_int_equal(buf[13], ':');
assert_int_equal(buf[16], ':');
assert_int_equal(buf[19], 'Z');
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatISO8601(&t, buf, sizeof(buf));
assert_string_equal(buf, "1970-01-01T00:00:00Z");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123000000);
isc_time_formatISO8601(&t, buf, sizeof(buf));
assert_string_equal(buf, "2015-12-13T09:46:40Z");
}
/* print UTC in ISO8601 with milliseconds */
ISC_RUN_TEST_IMPL(isc_time_formatISO8601ms_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
/* check formatting: yyyy-mm-ddThh:mm:ss.sssZ */
memset(buf, 'X', sizeof(buf));
isc_time_formatISO8601ms(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), 24);
assert_int_equal(buf[4], '-');
assert_int_equal(buf[7], '-');
assert_int_equal(buf[10], 'T');
assert_int_equal(buf[13], ':');
assert_int_equal(buf[16], ':');
assert_int_equal(buf[19], '.');
assert_int_equal(buf[23], 'Z');
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatISO8601ms(&t, buf, sizeof(buf));
assert_string_equal(buf, "1970-01-01T00:00:00.000Z");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123000000);
isc_time_formatISO8601ms(&t, buf, sizeof(buf));
assert_string_equal(buf, "2015-12-13T09:46:40.123Z");
}
/* print UTC in ISO8601 with microseconds */
ISC_RUN_TEST_IMPL(isc_time_formatISO8601us_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now_hires();
/* check formatting: yyyy-mm-ddThh:mm:ss.ssssssZ */
memset(buf, 'X', sizeof(buf));
isc_time_formatISO8601us(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), 27);
assert_int_equal(buf[4], '-');
assert_int_equal(buf[7], '-');
assert_int_equal(buf[10], 'T');
assert_int_equal(buf[13], ':');
assert_int_equal(buf[16], ':');
assert_int_equal(buf[19], '.');
assert_int_equal(buf[26], 'Z');
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatISO8601us(&t, buf, sizeof(buf));
assert_string_equal(buf, "1970-01-01T00:00:00.000000Z");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123456000);
isc_time_formatISO8601us(&t, buf, sizeof(buf));
assert_string_equal(buf, "2015-12-13T09:46:40.123456Z");
}
/* print local time in ISO8601 with milliseconds and timezone */
ISC_RUN_TEST_IMPL(isc_time_formatISO8601TZms_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
/* check formatting: yyyy-mm-ddThh:mm:ss.sss */
memset(buf, 'X', sizeof(buf));
buf[63] = '\0';
isc_time_formatISO8601TZms(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), strlen("yyyy-mm-ddThh:mm:ss.sss+hh:mm"));
assert_int_equal(buf[4], '-');
assert_int_equal(buf[7], '-');
assert_int_equal(buf[10], 'T');
assert_int_equal(buf[13], ':');
assert_int_equal(buf[16], ':');
assert_int_equal(buf[19], '.');
assert_true((buf[23] == '+') || (buf[23] == '-'));
assert_int_equal(buf[26], ':');
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatISO8601Lms(&t, buf, sizeof(buf));
assert_string_equal(buf, "1969-12-31T16:00:00.000");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123000000);
isc_time_formatISO8601Lms(&t, buf, sizeof(buf));
assert_string_equal(buf, "2015-12-13T01:46:40.123");
}
/* print local time in ISO8601 with milliseconds */
ISC_RUN_TEST_IMPL(isc_time_formatISO8601Lms_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
/* check formatting: yyyy-mm-ddThh:mm:ss.sss */
memset(buf, 'X', sizeof(buf));
isc_time_formatISO8601Lms(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), 23);
assert_int_equal(buf[4], '-');
assert_int_equal(buf[7], '-');
assert_int_equal(buf[10], 'T');
assert_int_equal(buf[13], ':');
assert_int_equal(buf[16], ':');
assert_int_equal(buf[19], '.');
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatISO8601Lms(&t, buf, sizeof(buf));
assert_string_equal(buf, "1969-12-31T16:00:00.000");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123000000);
isc_time_formatISO8601Lms(&t, buf, sizeof(buf));
assert_string_equal(buf, "2015-12-13T01:46:40.123");
}
/* print UTC time as yyyymmddhhmmsssss */
ISC_RUN_TEST_IMPL(isc_time_formatshorttimestamp_test) {
isc_time_t t;
char buf[64];
UNUSED(state);
setenv("TZ", "America/Los_Angeles", 1);
t = isc_time_now();
/* check formatting: yyyymmddhhmmsssss */
memset(buf, 'X', sizeof(buf));
isc_time_formatshorttimestamp(&t, buf, sizeof(buf));
assert_int_equal(strlen(buf), 17);
/* check time conversion correctness */
memset(buf, 'X', sizeof(buf));
isc_time_settoepoch(&t);
isc_time_formatshorttimestamp(&t, buf, sizeof(buf));
assert_string_equal(buf, "19700101000000000");
memset(buf, 'X', sizeof(buf));
isc_time_set(&t, 1450000000, 123000000);
isc_time_formatshorttimestamp(&t, buf, sizeof(buf));
assert_string_equal(buf, "20151213094640123");
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY(isc_time_add_test)
ISC_TEST_ENTRY(isc_time_sub_test)
ISC_TEST_ENTRY(isc_time_parsehttptimestamp_test)
ISC_TEST_ENTRY(isc_time_formatISO8601_test)
ISC_TEST_ENTRY(isc_time_formatISO8601ms_test)
ISC_TEST_ENTRY(isc_time_formatISO8601us_test)
ISC_TEST_ENTRY(isc_time_formatISO8601Lms_test)
ISC_TEST_ENTRY(isc_time_formatISO8601TZms_test)
ISC_TEST_ENTRY(isc_time_formatshorttimestamp_test)
ISC_TEST_LIST_END
ISC_TEST_MAIN
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