TestThread.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_TEST_TESTBASE_TEST_THREAD_H
#define META_OCEAN_TEST_TESTBASE_TEST_THREAD_H
 
#include "ocean/test/testbase/TestBase.h"
 
#include "ocean/base/Lock.h"
#include "ocean/base/Thread.h"
#include "ocean/base/Timestamp.h"
 
#include <atomic>
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestBase
{
 
/**
 * This class implements tests for the Thread class.
 * @ingroup testbase
 */
class OCEAN_TEST_BASE_EXPORT TestThread
{
    public:
 
        /**
         * Tests all functions.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool test(const double testDuration);
 
        /**
         * Tests to waitForValue() function without lock object.
         * @param testDuration Number of seconds for the test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testWaitForValueWithoutLock(const double testDuration);
 
        /**
         * Tests to waitForValue() function with lock object.
         * @param testDuration Number of seconds for the test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testWaitForValueWithLock(const double testDuration);
 
    protected:
 
        /**
         * Sets a parameter to a specified value after a specified delay.
         * @param object The object which will be set
         * @param value The value to use
         * @param delay The delay in seconds, with range [0, infinity)
         * @param lock The lock to be used
         * @param isSet Will be set to True if the value was set
         * @tparam TObject The data type of the object
         * @tparam TValue The data type of the value
         */
        template <typename TObject, typename TValue>
        static void setValueDelayed(TObject& object, const TValue& value, const double delay, Lock& lock, std::atomic<bool>& isSet);
};
 
template <typename TObject, typename TValue>
void TestThread::setValueDelayed(TObject& object, const TValue& value, const double delay, Lock& lock, std::atomic<bool>& isSet)
{
    ocean_assert(!isSet);
 
#ifdef OCEAN_USE_GTEST
 
    // running the test with Gtest will result in extreme bad results when using Thread::sleep(),
    // thus using a while loop instead
 
    const Timestamp startTimestamp(true);
 
    while (!startTimestamp.hasTimePassed(delay))
    {
        Thread::sleep(0u);
    }
 
#else
 
    Thread::sleep((unsigned int)(Timestamp::seconds2milliseconds(delay)));
 
#endif // OCEAN_USE_GTEST
 
    const ScopedLock scopedLock(lock);
 
    object = value;
 
    isSet = true;
}
 
}
 
}
 
}
 
#endif // META_OCEAN_TEST_TESTBASE_TEST_THREAD_H