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Diffstat (limited to 'src/third_party/boost-1.70.0/boost/test/utils/class_properties.hpp')
| -rw-r--r-- | src/third_party/boost-1.70.0/boost/test/utils/class_properties.hpp | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/third_party/boost-1.70.0/boost/test/utils/class_properties.hpp b/src/third_party/boost-1.70.0/boost/test/utils/class_properties.hpp new file mode 100644 index 00000000000..d4f3db3f2d8 --- /dev/null +++ b/src/third_party/boost-1.70.0/boost/test/utils/class_properties.hpp @@ -0,0 +1,195 @@ +// (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 |