69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
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// Copyright 2015, 2017 Peter Dimov.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/mp11/utility.hpp>
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#include <boost/mp11/detail/config.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <type_traits>
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using boost::mp11::mp_invoke_q;
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template<class...> struct X {};
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template<template<class...> class F, class... T> using Y = X<F<T>...>;
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template<class Q, class... T> using Z = X<mp_invoke_q<Q, T>...>;
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template<class T, class U> struct P {};
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template<class T, class U> using first = T;
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int main()
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{
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using boost::mp11::mp_identity_t;
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using boost::mp11::mp_quote;
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{
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using Q = mp_quote<mp_identity_t>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void>, void>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, int[]>, int[]>));
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}
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{
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using Q = mp_quote<mp_identity_t>;
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#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, <= 1800 )
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using R1 = Y<Q::fn, void, char, int>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<R1, X<void, char, int>>));
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#endif
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#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1920 && BOOST_MP11_MSVC >= 1900 )
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using R2 = Z<Q, void, char, int>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<R2, X<void, char, int>>));
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#endif
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}
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{
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using Q = mp_quote<P>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void, void>, P<void, void>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, char[], int[]>, P<char[], int[]>>));
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}
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{
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using Q = mp_quote<first>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void, int>, void>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, char[], int[]>, char[]>));
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}
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return boost::report_errors();
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}
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