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			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			91 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //  (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 | ||
|  | /// Enhanced result for test predicate that include message explaining failure | ||
|  | // *************************************************************************** | ||
|  | 
 | ||
|  | #ifndef BOOST_TEST_PREDICATE_RESULT_HPP_012705GER | ||
|  | #define BOOST_TEST_PREDICATE_RESULT_HPP_012705GER | ||
|  | 
 | ||
|  | // Boost.Test | ||
|  | #include <boost/test/utils/class_properties.hpp> | ||
|  | #include <boost/test/utils/wrap_stringstream.hpp> | ||
|  | #include <boost/test/utils/basic_cstring/basic_cstring.hpp> | ||
|  | 
 | ||
|  | // Boost | ||
|  | #include <boost/shared_ptr.hpp> | ||
|  | #include <boost/detail/workaround.hpp> | ||
|  | 
 | ||
|  | // STL | ||
|  | #include <cstddef>          // for std::size_t | ||
|  | 
 | ||
|  | #include <boost/test/detail/suppress_warnings.hpp> | ||
|  | 
 | ||
|  | //____________________________________________________________________________// | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | namespace test_tools { | ||
|  | 
 | ||
|  | // ************************************************************************** // | ||
|  | // **************                assertion_result              ************** // | ||
|  | // ************************************************************************** // | ||
|  | 
 | ||
|  | //!@brief Type used for storing the result of an assertion. | ||
|  | class BOOST_TEST_DECL assertion_result { | ||
|  | 
 | ||
|  |     //!@internal | ||
|  |     typedef unit_test::const_string      const_string; | ||
|  | 
 | ||
|  |     //!@internal | ||
|  |     struct dummy { void nonnull() {} }; | ||
|  | 
 | ||
|  |     //!@internal | ||
|  |     typedef void (dummy::*safe_bool)(); | ||
|  | 
 | ||
|  | public: | ||
|  |     // Constructor | ||
|  |     assertion_result( bool pv_ ) | ||
|  |     : p_predicate_value( pv_ ) | ||
|  |     {} | ||
|  | 
 | ||
|  |     template<typename BoolConvertable> | ||
|  |     assertion_result( BoolConvertable const& pv_ ) : p_predicate_value( !!pv_ ) {} | ||
|  | 
 | ||
|  |     // Access methods | ||
|  |     bool                operator!() const           { return !p_predicate_value; } | ||
|  |     void                operator=( bool pv_ )       { p_predicate_value.value = pv_; } | ||
|  |     operator            safe_bool() const           { return !!p_predicate_value ? &dummy::nonnull : 0; } | ||
|  | 
 | ||
|  |     // Public properties | ||
|  |     BOOST_READONLY_PROPERTY( bool, (assertion_result) ) p_predicate_value; | ||
|  | 
 | ||
|  |     // Access methods | ||
|  |     bool                has_empty_message() const   { return !m_message; } | ||
|  |     wrap_stringstream&  message() | ||
|  |     { | ||
|  |         if( !m_message ) | ||
|  |             m_message.reset( new wrap_stringstream ); | ||
|  | 
 | ||
|  |         return *m_message; | ||
|  |     } | ||
|  |     const_string        message() const                   { return !m_message ? const_string() : const_string( m_message->str() ); } | ||
|  | 
 | ||
|  | private: | ||
|  |     // Data members | ||
|  |     shared_ptr<wrap_stringstream> m_message; | ||
|  | }; | ||
|  | 
 | ||
|  | typedef assertion_result predicate_result; | ||
|  | 
 | ||
|  | } // namespace test_tools | ||
|  | } // namespace boost | ||
|  | 
 | ||
|  | #include <boost/test/detail/enable_warnings.hpp> | ||
|  | 
 | ||
|  | #endif // BOOST_TEST_PREDICATE_RESULT_HPP_012705GER |