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/*
* Copyright (C) 2016 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef TEST_UTILS_H
#define TEST_UTILS_H
#include <chrono>
#include <cstdlib>
template <typename T>
class RandomValueGenerator
{
public:
RandomValueGenerator(const T& min, const T& max)
: minVal(min)
, maxVal(max)
{
return;
}
const T operator()() const
{
return static_cast<T>(
std::rand() % (maxVal + 1 - minVal) + minVal);
}
private:
T minVal;
T maxVal;
};
class Timer
{
public:
typedef typename std::chrono::microseconds us;
typedef typename std::chrono::milliseconds ms;
typedef typename std::chrono::seconds s;
Timer() { reset(); }
template <typename T = std::chrono::microseconds>
typename T::rep elapsed() const
{
return std::chrono::duration_cast<T>(
std::chrono::steady_clock::now() - start).count();
}
void reset()
{
start = std::chrono::steady_clock::now();
}
private:
std::chrono::steady_clock::time_point start;
};
#endif // TEST_UTILS_H
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