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- // (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
- /// Defines for_each_sample algorithm
- // ***************************************************************************
- #ifndef BOOST_TEST_DATA_FOR_EACH_SAMPLE_HPP_102211GER
- #define BOOST_TEST_DATA_FOR_EACH_SAMPLE_HPP_102211GER
- // Boost.Test
- #include <boost/test/data/config.hpp>
- #include <boost/test/data/size.hpp>
- #include <boost/test/data/index_sequence.hpp>
- #include <boost/test/data/monomorphic/sample_merge.hpp>
- #include <boost/test/data/monomorphic/fwd.hpp>
- // STL
- #include <tuple>
- #include <boost/test/detail/suppress_warnings.hpp>
- // needed for std::min
- #include <algorithm>
- //____________________________________________________________________________//
- namespace boost {
- namespace unit_test {
- namespace data {
- // ************************************************************************** //
- // ************** data::invoke_action ************** //
- // ************************************************************************** //
- template<typename Action, typename T>
- inline void
- invoke_action( Action const& action, T && arg, std::false_type /* is_tuple */ )
- {
- action( std::forward<T>(arg) );
- }
- //____________________________________________________________________________//
- template<typename Action, typename T, std::size_t ...I>
- inline void
- invoke_action_impl( Action const& action,
- T && args,
- index_sequence<I...> const& )
- {
- action( std::get<I>(std::forward<T>(args))... );
- }
- //____________________________________________________________________________//
- template<typename Action, typename T>
- inline void
- invoke_action( Action const& action, T&& args, std::true_type /* is_tuple */ )
- {
- invoke_action_impl( action,
- std::forward<T>(args),
- typename make_index_sequence< 0,
- std::tuple_size<typename std::decay<T>::type>::value
- >::type{} );
- }
- //____________________________________________________________________________//
- // ************************************************************************** //
- // ************** for_each_sample ************** //
- // ************************************************************************** //
- template<typename DataSet, typename Action>
- inline typename std::enable_if<monomorphic::is_dataset<DataSet>::value,void>::type
- for_each_sample( DataSet const & samples,
- Action const& act,
- data::size_t number_of_samples = BOOST_TEST_DS_INFINITE_SIZE )
- {
- data::size_t size = (std::min)( samples.size(), number_of_samples );
- BOOST_TEST_DS_ASSERT( !size.is_inf(), "Dataset has infinite size. Please specify the number of samples" );
- auto it = samples.begin();
- while( size-- > 0 ) {
- invoke_action( act,
- *it,
- typename monomorphic::ds_detail::is_tuple<decltype(*it)>::type());
- ++it;
- }
- }
- //____________________________________________________________________________//
- template<typename DataSet, typename Action>
- inline typename std::enable_if<!monomorphic::is_dataset<DataSet>::value,void>::type
- for_each_sample( DataSet && samples,
- Action const& act,
- data::size_t number_of_samples = BOOST_TEST_DS_INFINITE_SIZE )
- {
- data::for_each_sample( data::make( std::forward<DataSet>(samples) ),
- act,
- number_of_samples );
- }
- } // namespace data
- } // namespace unit_test
- } // namespace boost
- #include <boost/test/detail/enable_warnings.hpp>
- #endif // BOOST_TEST_DATA_FOR_EACH_SAMPLE_HPP_102211GER
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