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/*
* Copyright (c) 2017-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS 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 ARM_COMPUTE_TEST_UTILS
#define ARM_COMPUTE_TEST_UTILS
#include "support/StringSupport.h"
#include <algorithm>
#include <cmath>
#include <cstddef>
#include <limits>
#include <memory>
#include <numeric>
#include <sstream>
#include <string>
#include <type_traits>
namespace arm_compute
{
namespace test
{
namespace framework
{
/** @cond */
namespace detail
{
template <int...>
struct sequence
{
};
template <int N, int... Ns>
struct sequence_generator;
template <int... Ns>
struct sequence_generator<0, Ns...>
{
using type = sequence<Ns...>;
};
template <int N, int... Ns>
struct sequence_generator : sequence_generator < N - 1, N - 1, Ns... >
{
};
template <int N>
using sequence_t = typename sequence_generator<N>::type;
/** @endcond */
template <typename O, typename F, typename... As, int... S>
void apply_impl(O *obj, F &&func, const std::tuple<As...> &args, detail::sequence<S...>)
{
(obj->*func)(std::get<S>(args)...);
}
} // namespace
template <typename O, typename F, typename... As>
void apply(O *obj, F &&func, const std::tuple<As...> &args)
{
detail::apply_impl(obj, std::forward<F>(func), args, detail::sequence_t<sizeof...(As)>());
}
/** Helper function to concatenate multiple strings.
*
* @param[in] first Iterator pointing to the first element to be concatenated.
* @param[in] last Iterator pointing behind the last element to be concatenated.
* @param[in] separator String used to join the elements.
*
* @return String containing all elements joined by @p separator.
*/
template <typename T, typename std::enable_if<std::is_same<typename T::value_type, std::string>::value, int>::type = 0>
std::string join(T first, T last, const std::string &separator)
{
return std::accumulate(std::next(first), last, *first, [&separator](const std::string & base, const std::string & suffix)
{
return base + separator + suffix;
});
}
/** Helper function to concatenate multiple values.
*
* All values are converted to std::string using the provided operation before
* being joined.
*
* The signature of op has to be equivalent to
* std::string op(const T::value_type &val).
*
* @param[in] first Iterator pointing to the first element to be concatenated.
* @param[in] last Iterator pointing behind the last element to be concatenated.
* @param[in] separator String used to join the elements.
* @param[in] op Conversion function.
*
* @return String containing all elements joined by @p separator.
*/
template <typename T, typename UnaryOp>
std::string join(T &&first, T &&last, const std::string &separator, UnaryOp &&op)
{
return std::accumulate(std::next(first), last, op(*first), [&separator, &op](const std::string & base, const typename T::value_type & suffix)
{
return base + separator + op(suffix);
});
}
/** Helper function to concatenate multiple values.
*
* All values are converted to std::string using std::to_string before being joined.
*
* @param[in] first Iterator pointing to the first element to be concatenated.
* @param[in] last Iterator pointing behind the last element to be concatenated.
* @param[in] separator String used to join the elements.
*
* @return String containing all elements joined by @p separator.
*/
template <typename T, typename std::enable_if<std::is_arithmetic<typename T::value_type>::value, int>::type = 0>
std::string join(T && first, T && last, const std::string &separator)
{
return join(std::forward<T>(first), std::forward<T>(last), separator, support::cpp11::to_string);
}
/** Convert string to lower case.
*
* @param[in] string To be converted string.
*
* @return Lower case string.
*/
inline std::string tolower(std::string string)
{
std::transform(string.begin(), string.end(), string.begin(), [](unsigned char c)
{
return std::tolower(c);
});
return string;
}
/** Create a string with the arithmetic value in full precision.
*
* @param val Arithmetic value
* @param decimal_places How many decimal places to show
*
* @return String with the arithmetic value.
*/
template <typename T, typename std::enable_if<std::is_arithmetic<T>::value, int>::type = 0>
inline std::string arithmetic_to_string(T val, int decimal_places = 0)
{
std::stringstream ss;
ss << std::fixed;
ss.precision((decimal_places) ? decimal_places : std::numeric_limits<T>::digits10 + 1);
ss << val;
return ss.str();
}
/** Makes the calling thread to sleep for a specified number of seconds
*
* @param[in] seconds Amount of seconds to sleep. Will return immediately if less or equal to zero.
*/
void sleep_in_seconds(float seconds);
} // namespace framework
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_UTILS */
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