mbed-os/TESTS/netsocket/dns/asynchronous_dns_invalid_ho...

69 lines
2.4 KiB
C++

/*
* Copyright (c) 2018, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed.h"
#include "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"
#include "dns_tests.h"
using namespace utest::v1;
namespace {
int result_ok;
int result_no_mem;
int result_dns_failure;
int result_exp_timeout;
}
void ASYNCHRONOUS_DNS_INVALID_HOST()
{
// Ensures that cache does not contain entries
do_asynchronous_gethostbyname(dns_test_hosts_second, MBED_CONF_NSAPI_DNS_CACHE_SIZE, &result_ok, &result_no_mem,
&result_dns_failure, &result_exp_timeout);
char dns_test_hosts_new[MBED_CONF_APP_DNS_TEST_HOSTS_NUM][DNS_TEST_HOST_LEN];
memcpy(dns_test_hosts_new, dns_test_hosts, sizeof(dns_test_hosts_new));
int exp_dns_failure = 0;
int exp_ok = 0;
// Invalidate 1st and 3th etc. entries
for (unsigned int i = 0; i < MBED_CONF_APP_DNS_SIMULT_QUERIES + 1; i++) {
if ((i % 2) == 0) {
// Last query fails to no memory so do not increase
if (i != MBED_CONF_APP_DNS_SIMULT_QUERIES) {
exp_dns_failure++;
}
strcat(&(dns_test_hosts_new[i][0]), "_invalid");
} else {
// Last query fails to no memory so do not increase
if (i != MBED_CONF_APP_DNS_SIMULT_QUERIES) {
exp_ok++;
}
}
}
do_asynchronous_gethostbyname(dns_test_hosts_new, MBED_CONF_APP_DNS_SIMULT_QUERIES + 1, &result_ok, &result_no_mem,
&result_dns_failure, &result_exp_timeout);
TEST_ASSERT_EQUAL(exp_ok, result_ok);
TEST_ASSERT_EQUAL(1, result_no_mem); // last query fails for no memory as expected
TEST_ASSERT(result_dns_failure == exp_dns_failure || result_dns_failure == exp_dns_failure + 1);
TEST_ASSERT_EQUAL(0, result_exp_timeout);
}