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test_gtest_utils.hh
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Tue, Jun 18, 20:38

test_gtest_utils.hh
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/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <boost/preprocessor.hpp>
#include <gtest/gtest.h>
#include <tuple>
/* -------------------------------------------------------------------------- */
namespace {
/* -------------------------------------------------------------------------- */
template <::akantu::ElementType t>
using element_type_t = std::integral_constant<::akantu::ElementType, t>;
/* -------------------------------------------------------------------------- */
template <typename... T> struct gtest_list {};
template <typename... Ts> struct gtest_list<std::tuple<Ts...>> {
using type = ::testing::Types<Ts...>;
};
template <typename... T> using gtest_list_t = typename gtest_list<T...>::type;
/* -------------------------------------------------------------------------- */
template <typename... T> struct tuple_concat {};
template <typename... T1s, typename... T2s>
struct tuple_concat<std::tuple<T1s...>, std::tuple<T2s...>> {
using type = std::tuple<T1s..., T2s...>;
};
template <typename... T>
using tuple_concat_t = typename tuple_concat<T...>::type;
/* -------------------------------------------------------------------------- */
template <template <typename> class Pred, typename... Ts> struct tuple_filter {};
template <template <typename> class Pred, typename T>
struct tuple_filter<Pred, std::tuple<T>> {
using type = std::conditional_t<Pred<T>::value, std::tuple<T>, std::tuple<>>;
};
template <template <typename> class Pred, typename T, typename... Ts>
struct tuple_filter<Pred, std::tuple<T, Ts...>> {
using type = tuple_concat_t<
typename tuple_filter<Pred, std::tuple<T>>::type,
typename tuple_filter<Pred, std::tuple<Ts...>>::type>;
};
template <template <typename> class Pred, typename... Ts>
using tuple_filter_t = typename tuple_filter<Pred, Ts...>::type;
/* -------------------------------------------------------------------------- */
template <size_t N, typename... Ts> struct tuple_split {};
template <size_t N, typename T, typename... Ts>
struct tuple_split<N, std::tuple<T, Ts...>> {
protected:
using split = tuple_split<N - 1, std::tuple<Ts...>>;
public:
using type = tuple_concat_t<std::tuple<T>, typename split::type>;
using type_tail = typename split::type_tail;
};
template <typename T, typename... Ts>
struct tuple_split<1, std::tuple<T, Ts...>> {
using type = std::tuple<T>;
using type_tail = std::tuple<Ts...>;
};
template <size_t N, typename... T>
using tuple_split_t = typename tuple_split<N, T...>::type;
template <size_t N, typename... T>
using tuple_split_tail_t = typename tuple_split<N, T...>::type_tail;
/* -------------------------------------------------------------------------- */
template <typename... T> struct cross_product {};
template <typename... T2s>
struct cross_product<std::tuple<>, std::tuple<T2s...>> {
using type = std::tuple<>;
};
template <typename T1, typename... T1s, typename... T2s>
struct cross_product<std::tuple<T1, T1s...>, std::tuple<T2s...>> {
using type = tuple_concat_t<
std::tuple<std::tuple<T1, T2s>...>,
typename cross_product<std::tuple<T1s...>, std::tuple<T2s...>>::type>;
};
template <typename... T>
using cross_product_t = typename cross_product<T...>::type;
/* -------------------------------------------------------------------------- */
#define OP_CAT(s, data, elem) element_type_t<::akantu::elem>
using TestElementTypesAll = std::tuple<BOOST_PP_SEQ_ENUM(
BOOST_PP_SEQ_TRANSFORM(OP_CAT, _, AKANTU_ek_regular_ELEMENT_TYPE))>;
} // namespace
template <typename T>
using is_point_1 = std::is_same<T, element_type_t<::akantu::_point_1>>;
template <typename T>
using not_is_point_1 =
aka::negation<std::is_same<T, element_type_t<::akantu::_point_1>>>;
using TestElementTypes = tuple_filter_t<not_is_point_1, TestElementTypesAll>;

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