mp11/test/mp_with_index.cpp
2018-08-29 20:03:59 +03:00

90 lines
1.7 KiB
C++

// Copyright 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/algorithm.hpp>
#include <boost/mp11/detail/config.hpp>
#include <boost/core/lightweight_test.hpp>
#include <tuple>
using boost::mp11::mp_size_t;
using boost::mp11::mp_for_each;
using boost::mp11::mp_with_index;
using boost::mp11::mp_iota_c;
struct F
{
std::size_t i_;
explicit F( std::size_t i ): i_( i ) {}
template<std::size_t I> bool operator()( mp_size_t<I> ) const
{
BOOST_TEST_EQ( I, i_ );
return false;
}
};
struct G
{
void operator()( mp_size_t<0> ) const
{
}
template<std::size_t N> void operator()( mp_size_t<N> ) const
{
for( std::size_t i = 0; i < N; ++i )
{
mp_with_index<N>( i, F(i) );
mp_with_index<mp_size_t<N>>( i, F(i) );
}
}
};
int main()
{
#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
G()( mp_size_t<1>{} );
G()( mp_size_t<2>{} );
G()( mp_size_t<3>{} );
G()( mp_size_t<4>{} );
G()( mp_size_t<5>{} );
G()( mp_size_t<6>{} );
G()( mp_size_t<7>{} );
G()( mp_size_t<8>{} );
G()( mp_size_t<9>{} );
G()( mp_size_t<10>{} );
G()( mp_size_t<11>{} );
G()( mp_size_t<12>{} );
G()( mp_size_t<13>{} );
G()( mp_size_t<14>{} );
G()( mp_size_t<15>{} );
G()( mp_size_t<16>{} );
G()( mp_size_t<32+1>{} );
G()( mp_size_t<48+2>{} );
G()( mp_size_t<64+3>{} );
G()( mp_size_t<96+4>{} );
G()( mp_size_t<112+5>{} );
G()( mp_size_t<128+6>{} );
#else
mp_for_each<mp_iota_c<134>>( G() );
#endif
return boost::report_errors();
}