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// Copyright 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/compat/invoke.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#define STATIC_ASSERT(...) static_assert((__VA_ARGS__), #__VA_ARGS__)
#define BOOST_TEST_EQ(x, y) STATIC_ASSERT((x) == (y))
struct X
{
int m = -1;
};
struct Y: public X
{
};
int main()
{
{
constexpr X x = {};
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, X() ), -1 );
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, x ), -1 );
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &x ), -1 );
#if !defined(BOOST_NO_CXX14_CONSTEXPR)
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, X() ), true );
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, x ), true );
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, &x ), true );
#endif
}
#if !BOOST_WORKAROUND(BOOST_MSVC, >= 1920 && BOOST_MSVC < 1950)
{
constexpr Y y = {};
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, Y() ), -1 );
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, y ), -1 );
BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &y ), -1 );
#if !defined(BOOST_NO_CXX14_CONSTEXPR)
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, Y() ), true );
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, y ), true );
STATIC_ASSERT( boost::compat::invoke_r<void>( &X::m, &y ), true );
#endif
}
#endif
}
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