196 lines
8.2 KiB
C++
196 lines
8.2 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 : $RCSfile$
|
||
|
|
//
|
||
|
|
// Version : $Revision$
|
||
|
|
//
|
||
|
|
// Description : simple facility that mimmic notion of read-only read-write
|
||
|
|
// properties in C++ classes. Original idea by Henrik Ravn.
|
||
|
|
// ***************************************************************************
|
||
|
|
|
||
|
|
#ifndef BOOST_TEST_UTILS_CLASS_PROPERTIES_HPP
|
||
|
|
#define BOOST_TEST_UTILS_CLASS_PROPERTIES_HPP
|
||
|
|
|
||
|
|
// Boost.Test
|
||
|
|
#include <boost/test/detail/config.hpp>
|
||
|
|
|
||
|
|
// Boost
|
||
|
|
#if !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
|
||
|
|
#include <boost/preprocessor/seq/for_each.hpp>
|
||
|
|
#endif
|
||
|
|
#include <boost/call_traits.hpp>
|
||
|
|
#include <boost/type_traits/add_pointer.hpp>
|
||
|
|
#include <boost/type_traits/add_const.hpp>
|
||
|
|
#include <boost/utility/addressof.hpp>
|
||
|
|
|
||
|
|
// STL
|
||
|
|
#include <iosfwd>
|
||
|
|
|
||
|
|
#include <boost/test/detail/suppress_warnings.hpp>
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace unit_test {
|
||
|
|
|
||
|
|
// ************************************************************************** //
|
||
|
|
// ************** class_property ************** //
|
||
|
|
// ************************************************************************** //
|
||
|
|
|
||
|
|
template<class PropertyType>
|
||
|
|
class class_property {
|
||
|
|
protected:
|
||
|
|
typedef typename call_traits<PropertyType>::const_reference read_access_t;
|
||
|
|
typedef typename call_traits<PropertyType>::param_type write_param_t;
|
||
|
|
typedef typename add_pointer<typename add_const<PropertyType>::type>::type address_res_t;
|
||
|
|
public:
|
||
|
|
// Constructor
|
||
|
|
class_property() : value( PropertyType() ) {}
|
||
|
|
explicit class_property( write_param_t init_value )
|
||
|
|
: value( init_value ) {}
|
||
|
|
|
||
|
|
// Access methods
|
||
|
|
operator read_access_t() const { return value; }
|
||
|
|
read_access_t get() const { return value; }
|
||
|
|
bool operator!() const { return !value; }
|
||
|
|
address_res_t operator&() const { return &value; }
|
||
|
|
|
||
|
|
// Data members
|
||
|
|
#ifndef BOOST_TEST_NO_PROTECTED_USING
|
||
|
|
protected:
|
||
|
|
#endif
|
||
|
|
PropertyType value;
|
||
|
|
};
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
#ifdef BOOST_CLASSIC_IOSTREAMS
|
||
|
|
|
||
|
|
template<class PropertyType>
|
||
|
|
inline std::ostream&
|
||
|
|
operator<<( std::ostream& os, class_property<PropertyType> const& p )
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
template<typename CharT1, typename Tr,class PropertyType>
|
||
|
|
inline std::basic_ostream<CharT1,Tr>&
|
||
|
|
operator<<( std::basic_ostream<CharT1,Tr>& os, class_property<PropertyType> const& p )
|
||
|
|
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
return os << p.get();
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
#define DEFINE_PROPERTY_FREE_BINARY_OPERATOR( op ) \
|
||
|
|
template<class PropertyType> \
|
||
|
|
inline bool \
|
||
|
|
operator op( PropertyType const& lhs, class_property<PropertyType> const& rhs ) \
|
||
|
|
{ \
|
||
|
|
return lhs op rhs.get(); \
|
||
|
|
} \
|
||
|
|
template<class PropertyType> \
|
||
|
|
inline bool \
|
||
|
|
operator op( class_property<PropertyType> const& lhs, PropertyType const& rhs ) \
|
||
|
|
{ \
|
||
|
|
return lhs.get() op rhs; \
|
||
|
|
} \
|
||
|
|
template<class PropertyType> \
|
||
|
|
inline bool \
|
||
|
|
operator op( class_property<PropertyType> const& lhs, \
|
||
|
|
class_property<PropertyType> const& rhs ) \
|
||
|
|
{ \
|
||
|
|
return lhs.get() op rhs.get(); \
|
||
|
|
} \
|
||
|
|
/**/
|
||
|
|
|
||
|
|
DEFINE_PROPERTY_FREE_BINARY_OPERATOR( == )
|
||
|
|
DEFINE_PROPERTY_FREE_BINARY_OPERATOR( != )
|
||
|
|
|
||
|
|
#undef DEFINE_PROPERTY_FREE_BINARY_OPERATOR
|
||
|
|
|
||
|
|
// ************************************************************************** //
|
||
|
|
// ************** readonly_property ************** //
|
||
|
|
// ************************************************************************** //
|
||
|
|
|
||
|
|
template<class PropertyType>
|
||
|
|
class readonly_property : public class_property<PropertyType> {
|
||
|
|
typedef class_property<PropertyType> base_prop;
|
||
|
|
typedef typename base_prop::address_res_t arrow_res_t;
|
||
|
|
protected:
|
||
|
|
typedef typename base_prop::write_param_t write_param_t;
|
||
|
|
public:
|
||
|
|
// Constructor
|
||
|
|
readonly_property() {}
|
||
|
|
explicit readonly_property( write_param_t init_value ) : base_prop( init_value ) {}
|
||
|
|
|
||
|
|
// access methods
|
||
|
|
arrow_res_t operator->() const { return boost::addressof( base_prop::value ); }
|
||
|
|
};
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
#if BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
|
||
|
|
|
||
|
|
#define BOOST_READONLY_PROPERTY( property_type, friends ) boost::unit_test::readwrite_property<property_type >
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define BOOST_READONLY_PROPERTY_DECLARE_FRIEND(r, data, elem) friend class elem;
|
||
|
|
|
||
|
|
#define BOOST_READONLY_PROPERTY( property_type, friends ) \
|
||
|
|
class BOOST_JOIN( readonly_property, __LINE__ ) \
|
||
|
|
: public boost::unit_test::readonly_property<property_type > { \
|
||
|
|
typedef boost::unit_test::readonly_property<property_type > base_prop; \
|
||
|
|
BOOST_PP_SEQ_FOR_EACH( BOOST_READONLY_PROPERTY_DECLARE_FRIEND, ' ', friends ) \
|
||
|
|
typedef base_prop::write_param_t write_param_t; \
|
||
|
|
public: \
|
||
|
|
BOOST_JOIN( readonly_property, __LINE__ )() {} \
|
||
|
|
explicit BOOST_JOIN( readonly_property, __LINE__ )( write_param_t init_v ) \
|
||
|
|
: base_prop( init_v ) {} \
|
||
|
|
} \
|
||
|
|
/**/
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// ************************************************************************** //
|
||
|
|
// ************** readwrite_property ************** //
|
||
|
|
// ************************************************************************** //
|
||
|
|
|
||
|
|
template<class PropertyType>
|
||
|
|
class readwrite_property : public class_property<PropertyType> {
|
||
|
|
typedef class_property<PropertyType> base_prop;
|
||
|
|
typedef typename add_pointer<PropertyType>::type arrow_res_t;
|
||
|
|
typedef typename base_prop::address_res_t const_arrow_res_t;
|
||
|
|
typedef typename base_prop::write_param_t write_param_t;
|
||
|
|
public:
|
||
|
|
readwrite_property() : base_prop() {}
|
||
|
|
explicit readwrite_property( write_param_t init_value ) : base_prop( init_value ) {}
|
||
|
|
|
||
|
|
// access methods
|
||
|
|
void set( write_param_t v ) { base_prop::value = v; }
|
||
|
|
arrow_res_t operator->() { return boost::addressof( base_prop::value ); }
|
||
|
|
const_arrow_res_t operator->() const { return boost::addressof( base_prop::value ); }
|
||
|
|
|
||
|
|
#ifndef BOOST_TEST_NO_PROTECTED_USING
|
||
|
|
using base_prop::value;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
} // unit_test
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
||
|
|
|
||
|
|
#undef BOOST_TEST_NO_PROTECTED_USING
|
||
|
|
|
||
|
|
#endif // BOOST_TEST_UTILS_CLASS_PROPERTIES_HPP
|