async_test.h

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/*
 * Copyright (c) 2018 Pilz GmbH & Co. KG
 *
 * 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.
 */

#ifndef ASYNC_TEST_H
#define ASYNC_TEST_H

#include <mutex>
#include <condition_variable>

#include <gtest/gtest.h>

namespace testing
{

class AsyncTest
{
  public:
    void triggerClearEvent(std::string event);

    void barricade(std::string clear_event);

    void barricade(std::initializer_list<std::string> clear_events);

  protected:
    std::mutex m_;
    std::condition_variable cv_;
    std::set<std::string> clear_events_ {};
    std::set<std::string> waitlist_ {};
};

// for better readability in tests
#define BARRIER(...) barricade(__VA_ARGS__)

#define ACTION_OPEN_BARRIER(str) ::testing::InvokeWithoutArgs([this](void){this->triggerClearEvent(str); return true;})
#define ACTION_OPEN_BARRIER_VOID(str) ::testing::InvokeWithoutArgs([this](void){this->triggerClearEvent(str);})
}

#endif // ASYNC_TEST_H