boost/test/data/monomorphic/array.hpp
// (C) Copyright Gennadiy Rozental 2011-2014.
// 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 C type arrays
// ***************************************************************************
#ifndef BOOST_TEST_DATA_MONOMORPHIC_ARRAY_HPP_121411GER
#define BOOST_TEST_DATA_MONOMORPHIC_ARRAY_HPP_121411GER
// Boost.Test
#include <boost/test/data/config.hpp>
#include <boost/test/data/monomorphic/dataset.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
namespace data {
namespace monomorphic {
// ************************************************************************** //
// ************** array ************** //
// ************************************************************************** //
/// Dataset view of an C array
template<typename T>
class array : public monomorphic::dataset<T> {
typedef monomorphic::dataset<T> base;
typedef typename base::iter_ptr iter_ptr;
struct iterator : public base::iterator {
// Constructor
explicit iterator( T const* begin, data::size_t size )
: m_it( begin )
, m_singleton( size == 1 )
{}
// forward iterator interface
virtual T const& operator*() { return *m_it; }
virtual void operator++() { if( !m_singleton ) ++m_it; }
private:
// Data members
T const* m_it;
bool m_singleton;
};
public:
enum { arity = 1 };
// Constructor
array( T const* arr, std::size_t size )
: m_arr( arr )
, m_size( size )
{}
// dataset interface
virtual data::size_t size() const { return m_size; }
virtual iter_ptr begin() const { return boost::make_shared<iterator>( m_arr, m_size ); }
private:
// Data members
T const* m_arr;
std::size_t m_size;
};
//____________________________________________________________________________//
//! An array dataset is a dataset
template<typename T>
struct is_dataset<array<T> > : mpl::true_ {};
} // namespace monomorphic
//! @overload boost::unit_test::data::make()
template<typename T, std::size_t size>
inline monomorphic::array< typename boost::remove_const<T>::type > make( T (&a)[size] )
{
return monomorphic::array< typename boost::remove_const<T>::type >( a, size );
}
//! @overload boost::unit_test::data::make()
template<typename T, std::size_t size>
inline monomorphic::array< typename boost::remove_const<T>::type > make( T const (&a)[size] )
{
return monomorphic::array<T>( a, size );
}
template<typename T, std::size_t size>
inline monomorphic::array< typename boost::remove_const<T>::type > make( T a[size] )
{
return monomorphic::array<T>( a, size );
}
//____________________________________________________________________________//
} // namespace data
} // namespace unit_test
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_DATA_MONOMORPHIC_ARRAY_HPP_121411GER