mirror of https://github.com/ARMmbed/mbed-os.git
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "greentea-client/test_env.h"
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#include "unity.h"
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#include "utest.h"
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#include "dns_tests.h"
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#include "nsapi_dns.h"
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using namespace utest::v1;
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namespace {
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int result_ok;
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int result_no_mem;
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int result_dns_failure;
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int result_exp_timeout;
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const int EXTERNAL_THREAD_SIZE = 2048;
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const int EVENT_QUEUE_SIZE = 10;
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events::EventQueue *event_queue;
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}
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static nsapi_error_t event_queue_call(int delay, mbed::Callback<void()> func)
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{
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// Run event queue without delays
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if (event_queue->call(func) == 0) {
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return NSAPI_ERROR_NO_MEMORY;
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}
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return NSAPI_ERROR_OK;
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}
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void ASYNCHRONOUS_DNS_TIMEOUTS()
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{
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// Ensures that cache does not contain entries
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do_asynchronous_gethostbyname(dns_test_hosts, MBED_CONF_NSAPI_DNS_CACHE_SIZE, &result_ok, &result_no_mem,
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&result_dns_failure, &result_exp_timeout);
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TEST_ASSERT_EQUAL(MBED_CONF_NSAPI_DNS_CACHE_SIZE, result_ok);
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TEST_ASSERT_EQUAL(0, result_no_mem);
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TEST_ASSERT_EQUAL(0, result_dns_failure);
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TEST_ASSERT_EQUAL(0, result_exp_timeout);
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// Dispatch event queue
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Thread eventThread(osPriorityNormal, EXTERNAL_THREAD_SIZE);
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EventQueue queue(EVENT_QUEUE_SIZE * EVENTS_EVENT_SIZE);
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eventThread.start(callback(&queue, &EventQueue::dispatch_forever));
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event_queue = &queue;
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// Set event queue callback to test specific one
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nsapi_dns_call_in_set(event_queue_call);
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do_asynchronous_gethostbyname(dns_test_hosts_second, MBED_CONF_APP_DNS_SIMULT_QUERIES + 1, &result_ok, &result_no_mem,
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&result_dns_failure, &result_exp_timeout);
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// Depends on timing, but at least one operation shall fail to timeout
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TEST_ASSERT(result_exp_timeout > 0);
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// Give event queue time to finalise before destructors
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wait(2.0);
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nsapi_dns_call_in_set(0);
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}
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