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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 <stdlib.h>
#include <string.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/mem.h>
#include <isc/result.h>
#include <isc/stats.h>
#include <isc/util.h>
#include <tests/isc.h>
/* test stats */
ISC_RUN_TEST_IMPL(isc_stats_basic) {
isc_stats_t *stats = NULL;
isc_result_t result;
UNUSED(state);
result = isc_stats_create(mctx, &stats, 4);
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(isc_stats_ncounters(stats), 4);
/* Default all 0. */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
assert_int_equal(isc_stats_get_counter(stats, i), 0);
}
/* Test increment. */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
isc_stats_increment(stats, i);
assert_int_equal(isc_stats_get_counter(stats, i), 1);
isc_stats_increment(stats, i);
assert_int_equal(isc_stats_get_counter(stats, i), 2);
}
/* Test decrement. */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
isc_stats_decrement(stats, i);
assert_int_equal(isc_stats_get_counter(stats, i), 1);
isc_stats_decrement(stats, i);
assert_int_equal(isc_stats_get_counter(stats, i), 0);
}
/* Test set. */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
isc_stats_set(stats, i, i);
assert_int_equal(isc_stats_get_counter(stats, i), i);
}
/* Test update if greater. */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
isc_stats_update_if_greater(stats, i, i);
assert_int_equal(isc_stats_get_counter(stats, i), i);
isc_stats_update_if_greater(stats, i, i + 1);
assert_int_equal(isc_stats_get_counter(stats, i), i + 1);
}
/* Test resize. */
isc_stats_resize(&stats, 3);
assert_int_equal(isc_stats_ncounters(stats), 4);
isc_stats_resize(&stats, 4);
assert_int_equal(isc_stats_ncounters(stats), 4);
isc_stats_resize(&stats, 5);
assert_int_equal(isc_stats_ncounters(stats), 5);
/* Existing counters are retained */
for (int i = 0; i < isc_stats_ncounters(stats); i++) {
uint32_t expect = i + 1;
if (i == 4) {
expect = 0;
}
assert_int_equal(isc_stats_get_counter(stats, i), expect);
}
isc_stats_detach(&stats);
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY(isc_stats_basic)
ISC_TEST_LIST_END
ISC_TEST_MAIN
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