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// Copyright 2015, 2017 Peter Dimov.
//
// 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
#include <boost/mp11/utility.hpp>
#include <boost/mp11/detail/config.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
using boost::mp11::mp_invoke_q;
template<class...> struct X {};
template<template<class...> class F, class... T> using Y = X<F<T>...>;
template<class Q, class... T> using Z = X<mp_invoke_q<Q, T>...>;
template<class T, class U> struct P {};
template<class T, class U> using first = T;
int main()
{
using boost::mp11::mp_identity_t;
using boost::mp11::mp_quote;
{
using Q = mp_quote<mp_identity_t>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, int[]>, int[]>));
}
{
using Q = mp_quote<mp_identity_t>;
#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, <= 1800 )
using R1 = Y<Q::fn, void, char, int>;
BOOST_TEST_TRAIT_TRUE((std::is_same<R1, X<void, char, int>>));
#endif
#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1920 && BOOST_MP11_MSVC >= 1900 )
using R2 = Z<Q, void, char, int>;
BOOST_TEST_TRAIT_TRUE((std::is_same<R2, X<void, char, int>>));
#endif
}
{
using Q = mp_quote<P>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void, void>, P<void, void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, char[], int[]>, P<char[], int[]>>));
}
{
using Q = mp_quote<first>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void, int>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, char[], int[]>, char[]>));
}
return boost::report_errors();
}
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