Systemd/src/resolve/test-resolved-packet.c

52 lines
1.6 KiB
C

/***
This file is part of systemd
Copyright 2017 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "log.h"
#include "resolved-dns-packet.h"
static void test_dns_packet_new(void) {
size_t i;
_cleanup_(dns_packet_unrefp) DnsPacket *p2 = NULL;
for (i = 0; i <= DNS_PACKET_SIZE_MAX; i++) {
_cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
assert_se(dns_packet_new(&p, DNS_PROTOCOL_DNS, i) == 0);
log_debug("dns_packet_new: %zu → %zu", i, p->allocated);
assert_se(p->allocated >= MIN(DNS_PACKET_SIZE_MAX, i));
if (i > DNS_PACKET_SIZE_START + 10 && i < DNS_PACKET_SIZE_MAX - 10)
i = MIN(i * 2, DNS_PACKET_SIZE_MAX - 10);
}
assert_se(dns_packet_new(&p2, DNS_PROTOCOL_DNS, DNS_PACKET_SIZE_MAX + 1) == -EFBIG);
}
int main(int argc, char **argv) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
test_dns_packet_new();
return 0;
}