359 lines
13 KiB
C++
359 lines
13 KiB
C++
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// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision: 74248 $
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//
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// Description : implementation details for old toolbox
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// ***************************************************************************
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#ifndef BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER
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#define BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER
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// Boost.Test
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#include <boost/test/unit_test_log.hpp>
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#include <boost/test/tools/assertion_result.hpp>
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#include <boost/test/tools/floating_point_comparison.hpp>
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#include <boost/test/tools/detail/fwd.hpp>
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#include <boost/test/tools/detail/print_helper.hpp>
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// Boost
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#include <boost/limits.hpp>
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#include <boost/numeric/conversion/conversion_traits.hpp> // for numeric::conversion_traits
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#include <boost/type_traits/is_array.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#include <boost/preprocessor/arithmetic/add.hpp>
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// STL
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#include <cstddef> // for std::size_t
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#include <climits> // for CHAR_BIT
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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namespace boost {
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namespace test_tools {
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namespace tt_detail {
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// ************************************************************************** //
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// ************** old TOOLBOX Implementation ************** //
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// ************************************************************************** //
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// This function adds level of indirection, but it makes sure we evaluate predicate
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// arguments only once
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#ifndef BOOST_TEST_PROD
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#define TEMPL_PARAMS( z, m, dummy ) , typename BOOST_JOIN( Arg, m )
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#define FUNC_PARAMS( z, m, dummy ) \
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, BOOST_JOIN( Arg, m ) const& BOOST_JOIN( arg, m ) \
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, char const* BOOST_JOIN( BOOST_JOIN( arg, m ), _descr ) \
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/**/
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#define PRED_PARAMS( z, m, dummy ) BOOST_PP_COMMA_IF( m ) BOOST_JOIN( arg, m )
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#define ARG_INFO( z, m, dummy ) \
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, BOOST_JOIN( BOOST_JOIN( arg, m ), _descr ) \
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, &static_cast<const unit_test::lazy_ostream&>(unit_test::lazy_ostream::instance() \
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<< ::boost::test_tools::tt_detail::print_helper( BOOST_JOIN( arg, m ) )) \
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/**/
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#define IMPL_FRWD( z, n, dummy ) \
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template<typename Pred \
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BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), TEMPL_PARAMS, _ )> \
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inline bool \
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check_frwd( Pred P, unit_test::lazy_ostream const& assertion_descr, \
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const_string file_name, std::size_t line_num, \
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tool_level tl, check_type ct \
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BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), FUNC_PARAMS, _ ) \
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) \
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{ \
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return \
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report_assertion( P( BOOST_PP_REPEAT_ ## z(BOOST_PP_ADD(n, 1), PRED_PARAMS,_) ),\
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assertion_descr, file_name, line_num, tl, ct, \
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BOOST_PP_ADD( n, 1 ) \
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BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), ARG_INFO, _ ) \
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); \
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} \
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/**/
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#ifndef BOOST_TEST_MAX_PREDICATE_ARITY
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#define BOOST_TEST_MAX_PREDICATE_ARITY 5
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#endif
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BOOST_PP_REPEAT( BOOST_TEST_MAX_PREDICATE_ARITY, IMPL_FRWD, _ )
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#undef TEMPL_PARAMS
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#undef FUNC_PARAMS
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#undef PRED_INFO
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#undef ARG_INFO
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#undef IMPL_FRWD
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#endif
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//____________________________________________________________________________//
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template <class Left, class Right>
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inline assertion_result equal_impl( Left const& left, Right const& right )
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{
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return left == right;
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}
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//____________________________________________________________________________//
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inline assertion_result equal_impl( char* left, char const* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); }
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inline assertion_result equal_impl( char const* left, char* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); }
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inline assertion_result equal_impl( char* left, char* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); }
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#if !defined( BOOST_NO_CWCHAR )
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assertion_result BOOST_TEST_DECL equal_impl( wchar_t const* left, wchar_t const* right );
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inline assertion_result equal_impl( wchar_t* left, wchar_t const* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); }
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inline assertion_result equal_impl( wchar_t const* left, wchar_t* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); }
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inline assertion_result equal_impl( wchar_t* left, wchar_t* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); }
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#endif
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//____________________________________________________________________________//
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struct equal_impl_frwd {
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template <typename Left, typename Right>
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inline assertion_result
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call_impl( Left const& left, Right const& right, mpl::false_ ) const
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{
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return equal_impl( left, right );
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}
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template <typename Left, typename Right>
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inline assertion_result
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call_impl( Left const& left, Right const& right, mpl::true_ ) const
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{
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return (*this)( right, &left[0] );
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}
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template <typename Left, typename Right>
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inline assertion_result
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operator()( Left const& left, Right const& right ) const
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{
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typedef typename is_array<Left>::type left_is_array;
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return call_impl( left, right, left_is_array() );
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}
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};
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//____________________________________________________________________________//
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struct ne_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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return !equal_impl_frwd()( left, right );
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}
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};
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//____________________________________________________________________________//
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struct lt_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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return left < right;
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}
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};
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//____________________________________________________________________________//
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struct le_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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return left <= right;
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}
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};
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//____________________________________________________________________________//
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struct gt_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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return left > right;
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}
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};
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//____________________________________________________________________________//
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struct ge_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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return left >= right;
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}
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};
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//____________________________________________________________________________//
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struct equal_coll_impl {
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template <typename Left, typename Right>
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assertion_result operator()( Left left_begin, Left left_end, Right right_begin, Right right_end )
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{
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assertion_result pr( true );
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std::size_t pos = 0;
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for( ; left_begin != left_end && right_begin != right_end; ++left_begin, ++right_begin, ++pos ) {
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if( *left_begin != *right_begin ) {
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pr = false;
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pr.message() << "\nMismatch at position " << pos << ": "
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<< ::boost::test_tools::tt_detail::print_helper(*left_begin)
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<< " != "
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<< ::boost::test_tools::tt_detail::print_helper(*right_begin);
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}
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}
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if( left_begin != left_end ) {
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std::size_t r_size = pos;
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while( left_begin != left_end ) {
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++pos;
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++left_begin;
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}
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pr = false;
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pr.message() << "\nCollections size mismatch: " << pos << " != " << r_size;
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}
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if( right_begin != right_end ) {
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std::size_t l_size = pos;
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while( right_begin != right_end ) {
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++pos;
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++right_begin;
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}
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pr = false;
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pr.message() << "\nCollections size mismatch: " << l_size << " != " << pos;
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}
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return pr;
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}
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};
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//____________________________________________________________________________//
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struct bitwise_equal_impl {
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template <class Left, class Right>
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assertion_result operator()( Left const& left, Right const& right )
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{
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assertion_result pr( true );
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std::size_t left_bit_size = sizeof(Left)*CHAR_BIT;
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std::size_t right_bit_size = sizeof(Right)*CHAR_BIT;
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static Left const leftOne( 1 );
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static Right const rightOne( 1 );
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std::size_t total_bits = left_bit_size < right_bit_size ? left_bit_size : right_bit_size;
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for( std::size_t counter = 0; counter < total_bits; ++counter ) {
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if( ( left & ( leftOne << counter ) ) != ( right & ( rightOne << counter ) ) ) {
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pr = false;
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pr.message() << "\nMismatch at position " << counter;
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}
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}
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if( left_bit_size != right_bit_size ) {
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pr = false;
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pr.message() << "\nOperands bit sizes mismatch: " << left_bit_size << " != " << right_bit_size;
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}
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return pr;
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}
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};
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//____________________________________________________________________________//
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template<typename FPT1, typename FPT2>
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struct comp_supertype {
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// deduce "better" type from types of arguments being compared
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// if one type is floating and the second integral we use floating type and
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// value of integral type is promoted to the floating. The same for float and double
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// But we don't want to compare two values of integral types using this tool.
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typedef typename numeric::conversion_traits<FPT1,FPT2>::supertype type;
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BOOST_STATIC_ASSERT_MSG( !is_integral<type>::value, "Only floating-point types can be compared!");
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};
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} // namespace tt_detail
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namespace fpc = math::fpc;
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// ************************************************************************** //
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// ************** check_is_close ************** //
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// ************************************************************************** //
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struct BOOST_TEST_DECL check_is_close_t {
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// Public typedefs
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typedef assertion_result result_type;
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template<typename FPT1, typename FPT2, typename ToleranceType>
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assertion_result
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operator()( FPT1 left, FPT2 right, ToleranceType tolerance ) const
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{
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fpc::close_at_tolerance<typename tt_detail::comp_supertype<FPT1,FPT2>::type> pred( tolerance, fpc::FPC_STRONG );
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assertion_result ar( pred( left, right ) );
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if( !ar )
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ar.message() << pred.tested_rel_diff();
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return ar;
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}
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};
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//____________________________________________________________________________//
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template<typename FPT1, typename FPT2, typename ToleranceType>
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inline assertion_result
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check_is_close( FPT1 left, FPT2 right, ToleranceType tolerance )
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{
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return check_is_close_t()( left, right, tolerance );
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** check_is_small ************** //
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// ************************************************************************** //
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struct BOOST_TEST_DECL check_is_small_t {
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// Public typedefs
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typedef bool result_type;
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template<typename FPT>
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bool
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operator()( FPT fpv, FPT tolerance ) const
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{
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return fpc::is_small( fpv, tolerance );
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}
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};
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//____________________________________________________________________________//
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template<typename FPT>
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inline bool
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check_is_small( FPT fpv, FPT tolerance )
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{
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return fpc::is_small( fpv, tolerance );
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}
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//____________________________________________________________________________//
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} // namespace test_tools
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER
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