add boost on mac
This commit is contained in:
Bassem Girgis
450
macx64/include/boost/test/tools/collection_comparison_op.hpp
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450
macx64/include/boost/test/tools/collection_comparison_op.hpp
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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
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//!@brief Collection comparison with enhanced reporting
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// ***************************************************************************
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#ifndef BOOST_TEST_TOOLS_COLLECTION_COMPARISON_OP_HPP_050815GER
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#define BOOST_TEST_TOOLS_COLLECTION_COMPARISON_OP_HPP_050815GER
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// Boost.Test
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#include <boost/test/tools/assertion.hpp>
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#include <boost/test/utils/is_forward_iterable.hpp>
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#include <boost/test/utils/is_cstring.hpp>
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// Boost
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <boost/type_traits/decay.hpp>
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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 assertion {
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// ************************************************************************** //
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// ************* selectors for specialized comparizon routines ************** //
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// ************************************************************************** //
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template<typename T>
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struct specialized_compare : public mpl::false_ {};
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template <typename T>
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struct is_c_array : public mpl::false_ {};
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template<typename T, std::size_t N>
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struct is_c_array<T [N]> : public mpl::true_ {};
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template<typename T, std::size_t N>
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struct is_c_array<T (&)[N]> : public mpl::true_ {};
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#define BOOST_TEST_SPECIALIZED_COLLECTION_COMPARE(Col) \
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namespace boost { namespace test_tools { namespace assertion { \
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template<> \
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struct specialized_compare<Col> : public mpl::true_ {}; \
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}}} \
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/**/
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// ************************************************************************** //
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// ************** lexicographic_compare ************** //
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// ************************************************************************** //
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namespace op {
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template <typename OP, bool can_be_equal, bool prefer_shorter,
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typename Lhs, typename Rhs>
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inline
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typename boost::enable_if_c<
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unit_test::is_forward_iterable<Lhs>::value && !unit_test::is_cstring<Lhs>::value
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&& unit_test::is_forward_iterable<Rhs>::value && !unit_test::is_cstring<Rhs>::value,
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assertion_result>::type
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lexicographic_compare( Lhs const& lhs, Rhs const& rhs )
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{
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assertion_result ar( true );
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typedef unit_test::bt_iterator_traits<Lhs> t_Lhs_iterator;
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typedef unit_test::bt_iterator_traits<Rhs> t_Rhs_iterator;
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typename t_Lhs_iterator::const_iterator first1 = t_Lhs_iterator::begin(lhs);
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typename t_Rhs_iterator::const_iterator first2 = t_Rhs_iterator::begin(rhs);
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typename t_Lhs_iterator::const_iterator last1 = t_Lhs_iterator::end(lhs);
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typename t_Rhs_iterator::const_iterator last2 = t_Rhs_iterator::end(rhs);
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std::size_t pos = 0;
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for( ; (first1 != last1) && (first2 != last2); ++first1, ++first2, ++pos ) {
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assertion_result const& element_ar = OP::eval(*first1, *first2);
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if( !can_be_equal && element_ar )
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return ar; // a < b
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assertion_result const& reverse_ar = OP::eval(*first2, *first1);
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if( element_ar && !reverse_ar )
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return ar; // a<=b and !(b<=a) => a < b => return true
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if( element_ar || !reverse_ar )
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continue; // (a<=b and b<=a) or (!(a<b) and !(b<a)) => a == b => keep looking
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// !(a<=b) and b<=a => b < a => return false
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ar = false;
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ar.message() << "\nFailure at position " << pos << ": "
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<< tt_detail::print_helper(*first1)
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<< OP::revert()
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<< tt_detail::print_helper(*first2)
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<< ". " << element_ar.message();
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return ar;
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}
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if( first1 != last1 ) {
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if( prefer_shorter ) {
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ar = false;
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ar.message() << "\nFirst collection has extra trailing elements.";
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}
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}
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else if( first2 != last2 ) {
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if( !prefer_shorter ) {
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ar = false;
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ar.message() << "\nSecond collection has extra trailing elements.";
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}
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}
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else if( !can_be_equal ) {
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ar = false;
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ar.message() << "\nCollections appear to be equal.";
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}
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return ar;
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}
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template <typename OP, bool can_be_equal, bool prefer_shorter,
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typename Lhs, typename Rhs>
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inline
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typename boost::enable_if_c<
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(unit_test::is_cstring<Lhs>::value || unit_test::is_cstring<Rhs>::value),
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assertion_result>::type
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lexicographic_compare( Lhs const& lhs, Rhs const& rhs )
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{
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typedef typename unit_test::deduce_cstring<Lhs>::type lhs_char_type;
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typedef typename unit_test::deduce_cstring<Rhs>::type rhs_char_type;
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return lexicographic_compare<OP, can_be_equal, prefer_shorter>(
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lhs_char_type(lhs),
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rhs_char_type(rhs));
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** equality_compare ************** //
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// ************************************************************************** //
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template <typename OP, typename Lhs, typename Rhs>
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inline
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typename boost::enable_if_c<
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unit_test::is_forward_iterable<Lhs>::value && !unit_test::is_cstring<Lhs>::value
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&& unit_test::is_forward_iterable<Rhs>::value && !unit_test::is_cstring<Rhs>::value,
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assertion_result>::type
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element_compare( Lhs const& lhs, Rhs const& rhs )
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{
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typedef unit_test::bt_iterator_traits<Lhs> t_Lhs_iterator;
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typedef unit_test::bt_iterator_traits<Rhs> t_Rhs_iterator;
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assertion_result ar( true );
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if( t_Lhs_iterator::size(lhs) != t_Rhs_iterator::size(rhs) ) {
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ar = false;
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ar.message() << "\nCollections size mismatch: " << t_Lhs_iterator::size(lhs) << " != " << t_Rhs_iterator::size(rhs);
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return ar;
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}
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typename t_Lhs_iterator::const_iterator left = t_Lhs_iterator::begin(lhs);
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typename t_Rhs_iterator::const_iterator right = t_Rhs_iterator::begin(rhs);
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std::size_t pos = 0;
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for( ; pos < t_Lhs_iterator::size(lhs); ++left, ++right, ++pos ) {
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assertion_result const element_ar = OP::eval( *left, *right );
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if( element_ar )
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continue;
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ar = false;
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ar.message() << "\nMismatch at position " << pos << ": "
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<< tt_detail::print_helper(*left)
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<< OP::revert()
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<< tt_detail::print_helper(*right)
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<< ". " << element_ar.message();
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}
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return ar;
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}
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// In case string comparison is branching here
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template <typename OP, typename Lhs, typename Rhs>
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inline
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typename boost::enable_if_c<
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(unit_test::is_cstring<Lhs>::value || unit_test::is_cstring<Rhs>::value),
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assertion_result>::type
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element_compare( Lhs const& lhs, Rhs const& rhs )
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{
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typedef typename unit_test::deduce_cstring<Lhs>::type lhs_char_type;
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typedef typename unit_test::deduce_cstring<Rhs>::type rhs_char_type;
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return element_compare<OP>(lhs_char_type(lhs),
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rhs_char_type(rhs));
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** non_equality_compare ************** //
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// ************************************************************************** //
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template <typename OP, typename Lhs, typename Rhs>
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inline assertion_result
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non_equality_compare( Lhs const& lhs, Rhs const& rhs )
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{
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typedef unit_test::bt_iterator_traits<Lhs> t_Lhs_iterator;
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typedef unit_test::bt_iterator_traits<Rhs> t_Rhs_iterator;
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assertion_result ar( true );
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if( t_Lhs_iterator::size(lhs) != t_Rhs_iterator::size(rhs) )
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return ar;
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typename t_Lhs_iterator::const_iterator left = t_Lhs_iterator::begin(lhs);
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typename t_Rhs_iterator::const_iterator right = t_Rhs_iterator::begin(rhs);
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typename t_Lhs_iterator::const_iterator end = t_Lhs_iterator::end(lhs);
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for( ; left != end; ++left, ++right ) {
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if( OP::eval( *left, *right ) )
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return ar;
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}
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ar = false;
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ar.message() << "\nCollections appear to be equal";
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return ar;
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** cctraits ************** //
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// ************************************************************************** //
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// set of collection comparison traits per comparison OP
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template<typename OP>
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struct cctraits;
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template<typename Lhs, typename Rhs>
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struct cctraits<op::EQ<Lhs, Rhs> > {
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typedef specialized_compare<Lhs> is_specialized;
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};
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template<typename Lhs, typename Rhs>
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struct cctraits<op::NE<Lhs, Rhs> > {
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typedef specialized_compare<Lhs> is_specialized;
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};
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template<typename Lhs, typename Rhs>
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struct cctraits<op::LT<Lhs, Rhs> > {
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static const bool can_be_equal = false;
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static const bool prefer_short = true;
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typedef specialized_compare<Lhs> is_specialized;
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};
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template<typename Lhs, typename Rhs>
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struct cctraits<op::LE<Lhs, Rhs> > {
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static const bool can_be_equal = true;
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static const bool prefer_short = true;
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typedef specialized_compare<Lhs> is_specialized;
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};
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template<typename Lhs, typename Rhs>
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struct cctraits<op::GT<Lhs, Rhs> > {
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static const bool can_be_equal = false;
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static const bool prefer_short = false;
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typedef specialized_compare<Lhs> is_specialized;
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};
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template<typename Lhs, typename Rhs>
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struct cctraits<op::GE<Lhs, Rhs> > {
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static const bool can_be_equal = true;
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static const bool prefer_short = false;
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typedef specialized_compare<Lhs> is_specialized;
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};
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// ************************************************************************** //
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// ************** compare_collections ************** //
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// ************************************************************************** //
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// Overloaded set of functions dispatching to specific implementation of comparison
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::EQ<L, R> >*, mpl::true_ )
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{
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return assertion::op::element_compare<op::EQ<L, R> >( lhs, rhs );
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::EQ<L, R> >*, mpl::false_ )
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{
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return lhs == rhs;
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::NE<L, R> >*, mpl::true_ )
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{
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return assertion::op::non_equality_compare<op::NE<L, R> >( lhs, rhs );
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::NE<L, R> >*, mpl::false_ )
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{
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return lhs != rhs;
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}
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//____________________________________________________________________________//
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template <typename OP, typename Lhs, typename Rhs>
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inline assertion_result
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lexicographic_compare( Lhs const& lhs, Rhs const& rhs )
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{
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return assertion::op::lexicographic_compare<OP, cctraits<OP>::can_be_equal, cctraits<OP>::prefer_short>( lhs, rhs );
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename OP>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<OP>*, mpl::true_ )
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{
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return lexicographic_compare<OP>( lhs, rhs );
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::LT<L, R> >*, mpl::false_ )
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{
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return lhs < rhs;
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::LE<L, R> >*, mpl::false_ )
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{
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return lhs <= rhs;
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::GT<L, R> >*, mpl::false_ )
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{
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return lhs > rhs;
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}
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//____________________________________________________________________________//
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template <typename Lhs, typename Rhs, typename L, typename R>
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inline assertion_result
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compare_collections( Lhs const& lhs, Rhs const& rhs, boost::type<op::GE<L, R> >*, mpl::false_ )
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{
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return lhs >= rhs;
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ********* specialization of comparison operators for collections ********* //
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// ************************************************************************** //
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#define DEFINE_COLLECTION_COMPARISON( oper, name, rev ) \
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template<typename Lhs,typename Rhs> \
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struct name<Lhs,Rhs,typename boost::enable_if_c< \
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unit_test::is_forward_iterable<Lhs>::value \
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&& !unit_test::is_cstring_comparable<Lhs>::value \
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&& unit_test::is_forward_iterable<Rhs>::value \
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&& !unit_test::is_cstring_comparable<Rhs>::value>::type> { \
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public: \
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typedef assertion_result result_type; \
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typedef unit_test::bt_iterator_traits<Lhs> t_Lhs_iterator_helper; \
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typedef unit_test::bt_iterator_traits<Rhs> t_Rhs_iterator_helper; \
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\
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typedef name<Lhs, Rhs> OP; \
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\
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typedef typename \
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mpl::if_c< \
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mpl::or_< \
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typename is_c_array<Lhs>::type, \
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typename is_c_array<Rhs>::type \
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>::value, \
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mpl::true_, \
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typename \
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mpl::if_c<is_same<typename decay<Lhs>::type, \
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typename decay<Rhs>::type>::value, \
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typename cctraits<OP>::is_specialized, \
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mpl::false_>::type \
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>::type is_specialized; \
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\
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typedef name<typename t_Lhs_iterator_helper::value_type, \
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typename t_Rhs_iterator_helper::value_type \
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> elem_op; \
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\
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static assertion_result \
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eval( Lhs const& lhs, Rhs const& rhs) \
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{ \
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return assertion::op::compare_collections( lhs, rhs, \
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(boost::type<elem_op>*)0, \
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is_specialized() ); \
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} \
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\
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template<typename PrevExprType> \
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static void \
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report( std::ostream&, \
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PrevExprType const&, \
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Rhs const& ) {} \
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\
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static char const* revert() \
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{ return " " #rev " "; } \
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\
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}; \
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/**/
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BOOST_TEST_FOR_EACH_COMP_OP( DEFINE_COLLECTION_COMPARISON )
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#undef DEFINE_COLLECTION_COMPARISON
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//____________________________________________________________________________//
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} // namespace op
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} // namespace assertion
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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_COLLECTION_COMPARISON_OP_HPP_050815GER
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