knot-dns/tests/libknot/test_rdata.c
2025-03-24 09:53:50 +01:00

49 lines
1.5 KiB
C

/* Copyright (C) CZ.NIC, z.s.p.o. and contributors
* SPDX-License-Identifier: GPL-2.0-or-later
* For more information, see <https://www.knot-dns.cz/>
*/
#include <stdbool.h>
#include <tap/basic.h>
#include "libknot/rdata.h"
int main(int argc, char *argv[])
{
plan_lazy();
// Test array size
ok(knot_rdata_size(1) == 2 + 1 + 1, "rdata: array size odd.");
ok(knot_rdata_size(2) == 2 + 2, "rdata: array size even.");
// Test init
const size_t data_size = 16;
uint8_t buf1[knot_rdata_size(data_size)];
knot_rdata_t *rdata = (knot_rdata_t *)buf1;
uint8_t payload[] = "abcdefghijklmnop";
knot_rdata_init(rdata, data_size, payload);
const bool set_ok = rdata->len == data_size &&
memcmp(rdata->data, payload, data_size) == 0;
ok(set_ok, "rdata: init.");
// Test compare
rdata->len = data_size;
ok(knot_rdata_cmp(rdata, rdata) == 0, "rdata: cmp eq.");
knot_rdata_t *lower = rdata;
uint8_t buf2[knot_rdata_size(data_size)];
knot_rdata_t *greater = (knot_rdata_t *)buf2;
knot_rdata_init(greater, data_size, (uint8_t *)"qrstuvwxyz123456");
ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower.");
ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater.");
// Payloads will be the same.
memcpy(greater->data, lower->data, data_size);
assert(knot_rdata_cmp(lower, greater) == 0);
lower->len = data_size - 1;
ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower size.");
ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater size.");
return 0;
}