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bind9/tests/dns/diff_test.c
Daniel Baumann f66ff7eae6
Adding upstream version 1:9.20.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 13:32:37 +02:00

144 lines
4.2 KiB
C

/*
* 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.
*/
/* sched.h must be imported before cmocka to avoid redefinition errors */
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include "isc/list.h"
#define UNIT_TESTING
#include <cmocka.h>
#include <dns/diff.h>
#include <tests/dns.h>
unsigned char data_1[] = "\006name_1";
unsigned char offsets_1[] = { 0, 7 };
dns_name_t name_1 = DNS_NAME_INITABSOLUTE(data_1, offsets_1);
unsigned char data_2[] = "\006name_2";
unsigned char offsets_2[] = { 0, 7 };
dns_name_t name_2 = DNS_NAME_INITABSOLUTE(data_2, offsets_2);
unsigned char data_3[] = "\006name_3";
unsigned char offsets_3[] = { 0, 7 };
dns_name_t name_3 = DNS_NAME_INITABSOLUTE(data_3, offsets_3);
unsigned char data_dup[] = "\006name_1";
unsigned char offsets_dup[] = { 0, 7 };
dns_name_t name_dup = DNS_NAME_INITABSOLUTE(data_dup, offsets_dup);
unsigned char data_nodup[] = "\006name_1";
unsigned char offsets_nodup[] = { 0, 7 };
dns_name_t name_nodup = DNS_NAME_INITABSOLUTE(data_nodup, offsets_nodup);
static size_t
count_elements(const dns_diff_t *diff) {
dns_difftuple_t *ot = NULL;
size_t count = 0;
for (ot = ISC_LIST_HEAD(diff->tuples); ot != NULL;
ot = ISC_LIST_NEXT(ot, link))
{
++count;
}
return count;
}
static void
prepare_rdata(dns_rdata_t *rdata, unsigned char *dest, size_t dest_size) {
dns_rdataclass_t rdclass = dns_rdataclass_in;
dns_rdatatype_t type = dns_rdatatype_wallet;
const char text[] = "cid-example wid-example";
*rdata = (dns_rdata_t)DNS_RDATA_INIT;
isc_result_t result = dns_test_rdatafromstring(
rdata, rdclass, type, dest, dest_size, text, false);
INSIST(result == ISC_R_SUCCESS);
}
ISC_RUN_TEST_IMPL(dns_diff_size) {
dns_diff_t diff;
dns_diff_init(mctx, &diff);
assert_true(dns_diff_size(&diff) == 0);
dns_rdata_t rdatas[5] = { 0 };
unsigned char bufs[sizeof(rdatas) / sizeof(*rdatas)][128] = { 0 };
size_t buf_len = sizeof(bufs[0]);
for (size_t idx = 0; idx < sizeof(rdatas) / sizeof(*rdatas); ++idx) {
prepare_rdata(&rdatas[idx], bufs[idx], buf_len);
}
dns_difftuple_t *tup_1 = NULL, *tup_2 = NULL, *tup_3 = NULL;
dns_difftuple_create(mctx, DNS_DIFFOP_ADD, &name_1, 1, &rdatas[0],
&tup_1);
dns_difftuple_create(mctx, DNS_DIFFOP_DEL, &name_2, 1, &rdatas[1],
&tup_2);
dns_difftuple_create(mctx, DNS_DIFFOP_DEL, &name_3, 1, &rdatas[2],
&tup_3);
dns_difftuple_t *tup_dup = NULL, *tup_nodup = NULL;
dns_difftuple_create(mctx, DNS_DIFFOP_DEL, &name_dup, 1, &rdatas[3],
&tup_dup);
dns_difftuple_create(mctx, DNS_DIFFOP_ADD, &name_nodup, 1, &rdatas[4],
&tup_nodup);
dns_diff_append(&diff, &tup_1);
assert_true(dns_diff_size(&diff) == 1);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_diff_append(&diff, &tup_2);
assert_true(dns_diff_size(&diff) == 2);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_diff_appendminimal(&diff, &tup_dup);
assert_true(dns_diff_size(&diff) == 1);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_diff_append(&diff, &tup_3);
assert_true(dns_diff_size(&diff) == 2);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_diff_appendminimal(&diff, &tup_nodup);
assert_true(dns_diff_size(&diff) == 3);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_diff_clear(&diff);
assert_true(dns_diff_size(&diff) == 0);
assert_true(dns_diff_size(&diff) == count_elements(&diff));
dns_difftuple_t *to_clear[] = { tup_1, tup_2, tup_3, tup_dup,
tup_nodup };
size_t to_clear_size = sizeof(to_clear) / sizeof(*to_clear);
for (size_t idx = 0; idx < to_clear_size; ++idx) {
if (to_clear[idx] != NULL) {
dns_difftuple_free(&to_clear[idx]);
}
}
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY(dns_diff_size)
ISC_TEST_LIST_END
ISC_TEST_MAIN