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// Copyright Daniel Wallin 2006.
// Copyright Cromwell D. Enage 2017.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_DEDUCED_060920_HPP
#define BOOST_DEDUCED_060920_HPP
#include <boost/parameter/config.hpp>
#include "basics.hpp"
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#include <boost/mp11/map.hpp>
#include <boost/mp11/algorithm.hpp>
#else
#include <boost/mpl/bool.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_same.hpp>
#endif
namespace test {
struct not_present_tag
{
};
not_present_tag not_present;
template <typename E, typename ArgPack>
class assert_expected
{
E const& _expected;
ArgPack const& _args;
public:
assert_expected(E const& e, ArgPack const& args_)
: _expected(e), _args(args_)
{
}
template <typename T>
static bool check_not_present(T const&)
{
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
static_assert(
std::is_same<T,test::not_present_tag>::value
, "T == test::not_present_tag"
);
#else
BOOST_MPL_ASSERT((
typename boost::mpl::if_<
boost::is_same<T,test::not_present_tag>
, boost::mpl::true_
, boost::mpl::false_
>::type
));
#endif
return true;
}
template <typename K>
bool check1(K const& k, test::not_present_tag const& t, long) const
{
return assert_expected<E,ArgPack>::check_not_present(
this->_args[k | t]
);
}
template <typename K, typename Expected>
bool check1(K const& k, Expected const& e, int) const
{
return test::equal(this->_args[k], e);
}
template <typename K>
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
void operator()(K&&) const
#else
void operator()(K) const
#endif
{
boost::parameter::keyword<K> const&
k = boost::parameter::keyword<K>::instance;
BOOST_TEST(this->check1(k, this->_expected[k], 0L));
}
};
template <typename E, typename A>
void check0(E const& e, A const& args)
{
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
boost::mp11::mp_for_each<boost::mp11::mp_map_keys<E> >(
test::assert_expected<E,A>(e, args)
);
#else
boost::mpl::for_each<E>(test::assert_expected<E,A>(e, args));
#endif
}
#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
template <typename P, typename E, typename ...Args>
void check(E const& e, Args const&... args)
{
test::check0(e, P()(args...));
}
#else
template <typename P, typename E, typename A0>
void check(E const& e, A0 const& a0)
{
test::check0(e, P()(a0));
}
template <typename P, typename E, typename A0, typename A1>
void check(E const& e, A0 const& a0, A1 const& a1)
{
test::check0(e, P()(a0, a1));
}
template <typename P, typename E, typename A0, typename A1, typename A2>
void check(E const& e, A0 const& a0, A1 const& a1, A2 const& a2)
{
test::check0(e, P()(a0, a1, a2));
}
#endif // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
} // namespace test
#endif // include guard
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