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// Copyright Daniel Wallin 2005.
// Copyright Cromwell D. Enage 2019.
// 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)
namespace test {
struct default_src
{
typedef int result_type;
int operator()() const
{
return 0;
}
};
} // namespace test
#include <boost/parameter/name.hpp>
namespace test {
BOOST_PARAMETER_NAME(x)
BOOST_PARAMETER_NAME(y)
BOOST_PARAMETER_NAME(z)
} // namespace test
#include <boost/parameter/is_argument_pack.hpp>
#include <boost/parameter/config.hpp>
#include <boost/mpl/has_key.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/core/lightweight_test.hpp>
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#include <boost/mp11/map.hpp>
#include <type_traits>
#endif
namespace test {
template <typename ArgumentPack, typename K, typename T>
void check0(ArgumentPack const& p, K const& kw, T const& value)
{
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
static_assert(
!boost::mp11::mp_map_contains<ArgumentPack,test::tag::z>::value
, "test::tag::z must not be in ArgumentPack"
);
static_assert(
std::is_same<
boost::mp11::mp_map_find<ArgumentPack,test::tag::z>
, void
>::value
, "test::tag::z must not be found in ArgumentPack"
);
#endif // BOOST_PARAMETER_CAN_USE_MP11
BOOST_MPL_ASSERT((boost::parameter::is_argument_pack<ArgumentPack>));
BOOST_MPL_ASSERT_NOT((
boost::mpl::has_key<ArgumentPack,test::tag::z>
));
BOOST_TEST_EQ(p[kw], value);
}
} // namespace test
#include <boost/mpl/void.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/key_type.hpp>
#include <boost/mpl/order.hpp>
#include <boost/mpl/count.hpp>
#include <boost/mpl/equal_to.hpp>
#include <boost/type_traits/is_same.hpp>
namespace test {
template <typename ArgumentPack, typename K, typename T>
void check1(ArgumentPack const& p, K const& kw, T const& value)
{
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
static_assert(
boost::mp11::mp_map_contains<ArgumentPack,typename K::tag>::value
, "typename K::tag must be in ArgumentPack"
);
static_assert(
!boost::mp11::mp_map_contains<ArgumentPack,test::tag::z>::value
, "test::tag::z must not be in ArgumentPack"
);
static_assert(
!std::is_same<
boost::mp11::mp_map_find<ArgumentPack,typename K::tag>
, void
>::value
, "typename K::tag must be found in ArgumentPack"
);
static_assert(
std::is_same<
boost::mp11::mp_map_find<ArgumentPack,test::tag::z>
, void
>::value
, "test::tag::z must not be found in ArgumentPack"
);
#endif // BOOST_PARAMETER_CAN_USE_MP11
BOOST_MPL_ASSERT((boost::parameter::is_argument_pack<ArgumentPack>));
BOOST_MPL_ASSERT((boost::mpl::has_key<ArgumentPack,typename K::tag>));
BOOST_MPL_ASSERT_NOT((
boost::mpl::has_key<ArgumentPack,test::tag::z>
));
BOOST_MPL_ASSERT((
boost::mpl::equal_to<
typename boost::mpl::count<ArgumentPack,typename K::tag>::type
, boost::mpl::int_<1>
>
));
BOOST_MPL_ASSERT((
typename boost::mpl::if_<
boost::is_same<
typename boost::mpl
::key_type<ArgumentPack,typename K::tag>::type
, typename K::tag
>
, boost::mpl::true_
, boost::mpl::false_
>::type
));
BOOST_MPL_ASSERT((
typename boost::mpl::if_<
boost::is_same<
typename boost::mpl
::order<ArgumentPack,typename K::tag>::type
, boost::mpl::void_
>
, boost::mpl::false_
, boost::mpl::true_
>::type
));
BOOST_TEST_EQ(p[kw], value);
}
} // namespace test
int main()
{
test::check1(test::_x = 20, test::_x, 20);
test::check1(test::_y = 20, test::_y, 20);
test::check0(test::_x = 20, test::_x | 0, 20);
test::check0(test::_y = 20, test::_y | 0, 20);
test::check0(test::_x = 20, test::_x || test::default_src(), 20);
test::check0(test::_y = 20, test::_y || test::default_src(), 20);
test::check0(test::_y = 20, test::_x | 0, 0);
test::check0(test::_y = 20, test::_x || test::default_src(), 0);
return boost::report_errors();
}
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