321 lines
13 KiB
C++
321 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
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//!@brief test case family based on data generator
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// ***************************************************************************
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#ifndef BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
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#define BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
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// Boost.Test
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#include <boost/test/data/config.hpp>
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#include <boost/test/data/dataset.hpp>
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#include <boost/test/data/for_each_sample.hpp>
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// Boost
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_binary_params.hpp>
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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#include <boost/preprocessor/variadic/to_seq.hpp>
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#include <boost/preprocessor/variadic/size.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/seq/for_each_i.hpp>
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#include <boost/preprocessor/seq/for_each.hpp>
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#include <boost/preprocessor/seq/enum.hpp>
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/preprocessor/comparison/equal.hpp>
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#include <boost/bind.hpp>
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#include <boost/type_traits/is_copy_constructible.hpp>
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#include <boost/test/detail/suppress_warnings.hpp>
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#include <boost/test/tools/detail/print_helper.hpp>
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#include <boost/test/utils/string_cast.hpp>
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#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) \
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&& !defined(BOOST_TEST_DATASET_MAX_ARITY)
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# define BOOST_TEST_DATASET_MAX_ARITY 10
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#endif
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//____________________________________________________________________________//
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namespace boost {
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namespace unit_test {
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namespace data {
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namespace ds_detail {
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// ************************************************************************** //
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// ************** seed ************** //
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// ************************************************************************** //
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struct seed {
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template<typename DataSet>
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typename data::result_of::make<DataSet>::type
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operator->*( DataSet&& ds ) const
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{
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return data::make( std::forward<DataSet>( ds ) );
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}
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};
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#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
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!defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
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!defined(BOOST_NO_CXX11_DECLTYPE) && \
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!defined(BOOST_NO_CXX11_TRAILING_RESULT_TYPES) && \
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!defined(BOOST_NO_CXX11_SMART_PTR)
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#define BOOST_TEST_DATASET_VARIADIC
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template <class T>
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struct parameter_holder {
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std::shared_ptr<T> value;
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parameter_holder(T && value_)
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: value(std::make_shared<T>(std::move(value_)))
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{}
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operator T const&() const {
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return *value;
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}
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};
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template <class T>
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parameter_holder<typename std::remove_reference<T>::type>
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boost_bind_rvalue_holder_helper_impl(T&& value, boost::false_type /* is copy constructible */) {
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return parameter_holder<typename std::remove_reference<T>::type>(std::forward<T>(value));
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}
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template <class T>
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T&& boost_bind_rvalue_holder_helper_impl(T&& value, boost::true_type /* is copy constructible */) {
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return std::forward<T>(value);
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}
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template <class T>
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auto boost_bind_rvalue_holder_helper(T&& value)
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-> decltype(boost_bind_rvalue_holder_helper_impl(
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std::forward<T>(value),
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typename boost::is_copy_constructible<typename std::remove_reference<T>::type>::type()))
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{
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// need to use boost::is_copy_constructible because std::is_copy_constructible is broken on MSVC12
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return boost_bind_rvalue_holder_helper_impl(
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std::forward<T>(value),
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typename boost::is_copy_constructible<typename std::remove_reference<T>::type>::type());
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}
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#endif
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// ************************************************************************** //
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// ************** test_case_gen ************** //
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// ************************************************************************** //
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template<typename TestCase,typename DataSet>
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class test_case_gen : public test_unit_generator {
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public:
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// Constructor
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet&& ds )
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: m_tc_name( ut_detail::normalize_test_case_name( tc_name ) )
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, m_tc_file( tc_file )
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, m_tc_line( tc_line )
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, m_tc_index( 0 )
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{
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data::for_each_sample( std::forward<DataSet>( ds ), *this );
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}
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test_case_gen( test_case_gen&& gen )
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: m_tc_name( gen.m_tc_name )
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, m_tc_file( gen.m_tc_file )
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, m_tc_line( gen.m_tc_line )
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, m_tc_index( gen.m_tc_index )
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, m_test_cases( std::move(gen.m_test_cases) )
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{}
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#else
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test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet const& ds )
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: m_tc_name( ut_detail::normalize_test_case_name( tc_name ) )
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, m_tc_file( tc_file )
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, m_tc_line( tc_line )
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, m_tc_index( 0 )
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{
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data::for_each_sample( ds, *this );
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}
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#endif
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virtual test_unit* next() const
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{
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if( m_test_cases.empty() )
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return 0;
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test_unit* res = m_test_cases.front();
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m_test_cases.pop_front();
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return res;
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}
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#if !defined(BOOST_TEST_DATASET_VARIADIC)
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// see BOOST_TEST_DATASET_MAX_ARITY to increase the default supported arity
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#define TC_MAKE(z,arity,_) \
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template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
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void operator()( BOOST_PP_ENUM_BINARY_PARAMS(arity, Arg, const& arg) ) const \
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{ \
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m_test_cases.push_back( new test_case( genTestCaseName(), m_tc_file, m_tc_line, \
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boost::bind( &TestCase::template test_method<BOOST_PP_ENUM_PARAMS(arity,Arg)>,\
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BOOST_PP_ENUM_PARAMS(arity, arg) ) ) ); \
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} \
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BOOST_PP_REPEAT_FROM_TO(1, BOOST_TEST_DATASET_MAX_ARITY, TC_MAKE, _)
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#else
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template<typename ...Arg>
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void operator()(Arg&& ... arg) const
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{
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m_test_cases.push_back(
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new test_case( genTestCaseName(),
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m_tc_file,
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m_tc_line,
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boost::bind( &TestCase::template test_method<Arg...>,
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boost_bind_rvalue_holder_helper(std::forward<Arg>(arg))...)));
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}
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#endif
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private:
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std::string genTestCaseName() const
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{
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return "_" + utils::string_cast(m_tc_index++);
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}
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// Data members
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std::string m_tc_name;
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const_string m_tc_file;
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std::size_t m_tc_line;
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mutable std::size_t m_tc_index;
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mutable std::list<test_unit*> m_test_cases;
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};
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//____________________________________________________________________________//
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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template<typename TestCase,typename DataSet>
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test_case_gen<TestCase,DataSet>
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make_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet&& ds )
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{
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return test_case_gen<TestCase,DataSet>( tc_name, tc_file, tc_line, std::forward<DataSet>(ds) );
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}
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#else
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template<typename TestCase,typename DataSet>
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test_case_gen<TestCase,DataSet>
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make_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet const& ds )
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{
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return test_case_gen<TestCase,DataSet>( tc_name, tc_file, tc_line, ds );
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}
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#endif
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//____________________________________________________________________________//
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} // namespace ds_detail
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// ************************************************************************** //
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// ************** BOOST_DATA_TEST_CASE ************** //
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// ************************************************************************** //
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#define BOOST_DATA_TEST_CASE_PARAM(r, _, i, param) (BOOST_PP_CAT(Arg, i) const& param)
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#define BOOST_DATA_TEST_CONTEXT(r, _, param) << BOOST_STRINGIZE(param) << " = " << boost::test_tools::tt_detail::print_helper(param) << "; "
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#define BOOST_DATA_TEST_CASE_PARAMS( params ) \
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BOOST_PP_SEQ_ENUM( \
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BOOST_PP_SEQ_FOR_EACH_I(BOOST_DATA_TEST_CASE_PARAM, _, params)) \
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/**/
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#define BOOST_DATA_TEST_CASE_IMPL(arity, F, test_name, dataset, params) \
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struct BOOST_PP_CAT(test_name, case) : public F { \
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template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
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static void test_method( BOOST_DATA_TEST_CASE_PARAMS( params ) ) \
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{ \
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BOOST_TEST_CHECKPOINT('"' << #test_name << "\" fixture entry.");\
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BOOST_PP_CAT(test_name, case) t; \
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BOOST_TEST_CHECKPOINT('"' << #test_name << "\" entry."); \
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BOOST_TEST_CONTEXT( "" \
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BOOST_PP_SEQ_FOR_EACH(BOOST_DATA_TEST_CONTEXT, _, params)) \
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t._impl(BOOST_PP_SEQ_ENUM(params)); \
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BOOST_TEST_CHECKPOINT('"' << #test_name << "\" exit."); \
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} \
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private: \
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template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
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void _impl(BOOST_DATA_TEST_CASE_PARAMS( params )); \
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}; \
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\
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BOOST_AUTO_TEST_SUITE( test_name ) \
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\
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BOOST_AUTO_TU_REGISTRAR( BOOST_PP_CAT(test_name, case) )( \
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boost::unit_test::data::ds_detail::make_test_case_gen< \
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BOOST_PP_CAT(test_name, case)>( \
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BOOST_STRINGIZE( test_name ), \
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__FILE__, __LINE__, \
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boost::unit_test::data::ds_detail::seed{} ->* dataset ), \
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boost::unit_test::decorator::collector::instance() ); \
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\
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BOOST_AUTO_TEST_SUITE_END() \
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\
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template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
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void BOOST_PP_CAT(test_name, case)::_impl( \
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BOOST_DATA_TEST_CASE_PARAMS( params ) ) \
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/**/
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#define BOOST_DATA_TEST_CASE_WITH_PARAMS( F, test_name, dataset, ... ) \
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BOOST_DATA_TEST_CASE_IMPL( BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
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F, test_name, dataset, \
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BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__) ) \
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/**/
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#define BOOST_DATA_TEST_CASE_NO_PARAMS( F, test_name, dataset ) \
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BOOST_DATA_TEST_CASE_WITH_PARAMS( F, test_name, dataset, sample ) \
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/**/
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#if BOOST_PP_VARIADICS_MSVC
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#define BOOST_DATA_TEST_CASE( ... ) \
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BOOST_PP_CAT( \
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BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
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BOOST_DATA_TEST_CASE_NO_PARAMS, \
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BOOST_DATA_TEST_CASE_WITH_PARAMS) ( \
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BOOST_AUTO_TEST_CASE_FIXTURE, __VA_ARGS__), ) \
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/**/
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#define BOOST_DATA_TEST_CASE_F( F, ... ) \
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BOOST_PP_CAT( \
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BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
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BOOST_DATA_TEST_CASE_NO_PARAMS, \
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BOOST_DATA_TEST_CASE_WITH_PARAMS) ( \
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F, __VA_ARGS__), ) \
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/**/
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#else
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#define BOOST_DATA_TEST_CASE( ... ) \
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BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
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BOOST_DATA_TEST_CASE_NO_PARAMS, \
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BOOST_DATA_TEST_CASE_WITH_PARAMS) ( \
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BOOST_AUTO_TEST_CASE_FIXTURE, __VA_ARGS__) \
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/**/
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#define BOOST_DATA_TEST_CASE_F( F, ... ) \
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BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
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BOOST_DATA_TEST_CASE_NO_PARAMS, \
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BOOST_DATA_TEST_CASE_WITH_PARAMS) ( \
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F, __VA_ARGS__) \
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/**/
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#endif
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} // namespace data
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} // namespace unit_test
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
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