189 lines
6.2 KiB
C++
189 lines
6.2 KiB
C++
// (C) Copyright Gennadiy Rozental 2001.
|
|
// 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)
|
|
|
|
// See http://www.boost.org/libs/test for the library home page.
|
|
//
|
|
/// @file
|
|
/// Defines monomorphic dataset based on zipping of 2 other monomorphic datasets
|
|
// ***************************************************************************
|
|
|
|
#ifndef BOOST_TEST_DATA_MONOMORPHIC_ZIP_HPP_102211GER
|
|
#define BOOST_TEST_DATA_MONOMORPHIC_ZIP_HPP_102211GER
|
|
|
|
// Boost.Test
|
|
#include <boost/test/data/config.hpp>
|
|
|
|
#if !defined(BOOST_TEST_NO_ZIP_COMPOSITION_AVAILABLE) || defined(BOOST_TEST_DOXYGEN_DOC__)
|
|
|
|
#include <boost/test/data/monomorphic/fwd.hpp>
|
|
#include <boost/test/data/monomorphic/sample_merge.hpp>
|
|
|
|
#include <boost/core/enable_if.hpp>
|
|
#include <boost/mpl/identity.hpp>
|
|
|
|
#include <boost/test/detail/suppress_warnings.hpp>
|
|
|
|
|
|
namespace boost {
|
|
namespace unit_test {
|
|
namespace data {
|
|
namespace monomorphic {
|
|
|
|
// ************************************************************************** //
|
|
// ************** zip ************** //
|
|
// ************************************************************************** //
|
|
|
|
//! Zip datasets
|
|
//!
|
|
//! A zip of two datasets is a dataset whose arity is the sum of the operand datasets arity. The size is given by
|
|
//! the function creating the instance (see @c operator^ on datasets).
|
|
template<typename DataSet1, typename DataSet2>
|
|
class zip {
|
|
typedef typename boost::decay<DataSet1>::type dataset1_decay;
|
|
typedef typename boost::decay<DataSet2>::type dataset2_decay;
|
|
|
|
typedef typename dataset1_decay::iterator dataset1_iter;
|
|
typedef typename dataset2_decay::iterator dataset2_iter;
|
|
|
|
public:
|
|
static const int arity = dataset1_decay::arity + dataset2_decay::arity;
|
|
|
|
struct iterator {
|
|
// Constructor
|
|
explicit iterator( dataset1_iter iter1, dataset2_iter iter2 )
|
|
: m_iter1( std::move( iter1 ) )
|
|
, m_iter2( std::move( iter2 ) )
|
|
{}
|
|
|
|
using iterator_sample = decltype(
|
|
sample_merge( *std::declval<dataset1_iter>(),
|
|
*std::declval<dataset2_iter>()) );
|
|
|
|
// forward iterator interface
|
|
auto operator*() const -> iterator_sample {
|
|
return sample_merge( *m_iter1, *m_iter2 );
|
|
}
|
|
void operator++() { ++m_iter1; ++m_iter2; }
|
|
|
|
private:
|
|
// Data members
|
|
dataset1_iter m_iter1;
|
|
dataset2_iter m_iter2;
|
|
};
|
|
|
|
//! Constructor
|
|
//!
|
|
//! The datasets are moved and not copied.
|
|
zip( DataSet1&& ds1, DataSet2&& ds2/*, data::size_t size*/ )
|
|
: m_ds1( std::forward<DataSet1>( ds1 ) )
|
|
, m_ds2( std::forward<DataSet2>( ds2 ) )
|
|
//, m_size( size )
|
|
{}
|
|
|
|
//! Move constructor
|
|
zip( zip&& j )
|
|
: m_ds1( std::forward<DataSet1>( j.m_ds1 ) )
|
|
, m_ds2( std::forward<DataSet2>( j.m_ds2 ) )
|
|
//, m_size( j.m_size )
|
|
{}
|
|
|
|
// dataset interface
|
|
data::size_t size() const { return zip_size(); }
|
|
iterator begin() const { return iterator( m_ds1.begin(), m_ds2.begin() ); }
|
|
|
|
private:
|
|
// Data members
|
|
DataSet1 m_ds1;
|
|
DataSet2 m_ds2;
|
|
//data::size_t m_size;
|
|
|
|
|
|
//! Handles the sise of the resulting zipped dataset.
|
|
data::size_t zip_size() const
|
|
{
|
|
data::size_t ds1_size = m_ds1.size();
|
|
data::size_t ds2_size = m_ds2.size();
|
|
|
|
if( ds1_size == ds2_size )
|
|
return ds1_size;
|
|
|
|
if( ds1_size == 1 || ds1_size.is_inf() )
|
|
return ds2_size;
|
|
|
|
if( ds2_size == 1 || ds2_size.is_inf() )
|
|
return ds1_size;
|
|
|
|
BOOST_TEST_DS_ERROR( "Can't zip datasets of different sizes" );
|
|
}
|
|
};
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
//! Zipped datasets results in a dataset.
|
|
template<typename DataSet1, typename DataSet2>
|
|
struct is_dataset<zip<DataSet1,DataSet2>> : mpl::true_ {};
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
namespace result_of {
|
|
|
|
//! Result type of the zip operator.
|
|
template<typename DS1Gen, typename DS2Gen>
|
|
struct zip {
|
|
typedef monomorphic::zip<typename DS1Gen::type,typename DS2Gen::type> type;
|
|
};
|
|
|
|
} // namespace result_of
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
//! Overload operator for zip support
|
|
template<typename DataSet1, typename DataSet2>
|
|
inline typename boost::lazy_enable_if_c<is_dataset<DataSet1>::value && is_dataset<DataSet2>::value,
|
|
result_of::zip<mpl::identity<DataSet1>,mpl::identity<DataSet2>>
|
|
>::type
|
|
operator^( DataSet1&& ds1, DataSet2&& ds2 )
|
|
{
|
|
return zip<DataSet1,DataSet2>( std::forward<DataSet1>( ds1 ),
|
|
std::forward<DataSet2>( ds2 )/*,
|
|
ds_detail::zip_size( ds1, ds2 )*/ );
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
//! @overload boost::unit_test::data::monomorphic::operator^()
|
|
template<typename DataSet1, typename DataSet2>
|
|
inline typename boost::lazy_enable_if_c<is_dataset<DataSet1>::value && !is_dataset<DataSet2>::value,
|
|
result_of::zip<mpl::identity<DataSet1>,data::result_of::make<DataSet2>>
|
|
>::type
|
|
operator^( DataSet1&& ds1, DataSet2&& ds2 )
|
|
{
|
|
return std::forward<DataSet1>( ds1 ) ^ data::make( std::forward<DataSet2>( ds2 ) );
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
//! @overload boost::unit_test::data::monomorphic::operator^()
|
|
template<typename DataSet1, typename DataSet2>
|
|
inline typename boost::lazy_enable_if_c<!is_dataset<DataSet1>::value && is_dataset<DataSet2>::value,
|
|
result_of::zip<data::result_of::make<DataSet1>,mpl::identity<DataSet2>>
|
|
>::type
|
|
operator^( DataSet1&& ds1, DataSet2&& ds2 )
|
|
{
|
|
return data::make( std::forward<DataSet1>( ds1 ) ) ^ std::forward<DataSet2>( ds2 );
|
|
}
|
|
|
|
} // namespace monomorphic
|
|
} // namespace data
|
|
} // namespace unit_test
|
|
} // namespace boost
|
|
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
|
|
|
#endif // BOOST_TEST_NO_ZIP_COMPOSITION_AVAILABLE
|
|
|
|
#endif // BOOST_TEST_DATA_MONOMORPHIC_ZIP_HPP_102211GER
|
|
|