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// (C) Copyright Gennadiy Rozental 2011-2014.
// 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
//!@brief test case family based on data generator
// ***************************************************************************
#ifndef BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
#define BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
// Boost.Test
#include <boost/test/data/config.hpp>
#include <boost/test/data/dataset.hpp>
// Boost
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/preprocessor/variadic/to_seq.hpp>
#include <boost/preprocessor/variadic/size.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/seq/for_each_i.hpp>
#include <boost/preprocessor/seq/for_each.hpp>
#include <boost/preprocessor/seq/enum.hpp>
#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/comparison/equal.hpp>
#include <boost/bind.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
#include <boost/test/tools/detail/print_helper.hpp>
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
namespace data {
// ************************************************************************** //
// ************** test_case_template ************** //
// ************************************************************************** //
namespace ds_detail {
template<typename TestCase,typename DataSet>
class test_case_gen : public test_unit_generator {
public:
// Constructor
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet&& ds )
: m_tc_name( ut_detail::normalize_test_case_name( tc_name ) )
{
data::for_each_sample( std::forward<DataSet>( ds ), *this );
}
test_case_gen( test_case_gen&& gen )
: m_tc_name( gen.m_tc_name )
, m_test_cases( std::move(gen.m_test_cases) )
{}
#else
test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet const& ds )
: m_tc_name( ut_detail::normalize_test_case_name( tc_name ) )
{
data::for_each_sample( ds, *this );
}
#endif
virtual test_unit* next() const
{
if( m_test_cases.empty() )
return 0;
test_unit* res = m_test_cases.front();
m_test_cases.pop_front();
return res;
}
// !! ?? variadics based implementation
#define TC_MAKE(z,arity,_) \
template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
void operator()( BOOST_PP_ENUM_BINARY_PARAMS(arity, Arg, const& arg) ) const \
{ \
m_test_cases.push_back( new test_case( m_tc_name, m_tc_file, m_tc_line, \
boost::bind( &TestCase::template test_method<BOOST_PP_ENUM_PARAMS(arity,Arg)>, \
BOOST_PP_ENUM_PARAMS(arity, arg) ) ) ); \
} \
BOOST_PP_REPEAT_FROM_TO(1, 4, TC_MAKE, _)
private:
// Data members
std::string m_tc_name;
const_string m_tc_file;
std::size_t m_tc_line;
mutable std::list<test_unit*> m_test_cases;
};
//____________________________________________________________________________//
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
template<typename TestCase,typename DataSet>
test_case_gen<TestCase,DataSet>
make_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet&& ds )
{
return test_case_gen<TestCase,DataSet>( tc_name, tc_file, tc_line, std::forward<DataSet>(ds) );
}
#else
template<typename TestCase,typename DataSet>
test_case_gen<TestCase,DataSet>
make_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line, DataSet const& ds )
{
return test_case_gen<TestCase,DataSet>( tc_name, tc_file, tc_line, ds );
}
#endif
//____________________________________________________________________________//
} // namespace ds_detail
// ************************************************************************** //
// ************** BOOST_DATA_TEST_CASE ************** //
// ************************************************************************** //
#define BOOST_DATA_TEST_CASE_PARAM(r, _, i, param) (BOOST_PP_CAT(Arg, i) const& param)
#define BOOST_DATA_TEST_CONTEXT(r, _, param) << BOOST_STRINGIZE(param) << " = " << boost::test_tools::tt_detail::print_helper(param) << "; "
#define BOOST_DATA_TEST_CASE_PARAMS( params ) \
BOOST_PP_SEQ_ENUM( \
BOOST_PP_SEQ_FOR_EACH_I(BOOST_DATA_TEST_CASE_PARAM, _, params)) \
/**/
#define BOOST_DATA_TEST_CASE_IMPL( arity, test_name, dataset, params ) \
struct test_name { \
template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
static void test_method( BOOST_DATA_TEST_CASE_PARAMS( params ) ) \
{ \
BOOST_TEST_CONTEXT( "" \
BOOST_PP_SEQ_FOR_EACH(BOOST_DATA_TEST_CONTEXT, _, params)) \
_impl(BOOST_PP_SEQ_ENUM(params)); \
} \
private: \
template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
static void _impl(BOOST_DATA_TEST_CASE_PARAMS( params )); \
}; \
\
BOOST_AUTO_TU_REGISTRAR( test_name )( \
boost::unit_test::data::ds_detail::make_test_case_gen<test_name>( \
BOOST_STRINGIZE( test_name ), \
__FILE__, __LINE__, \
boost::unit_test::data::make(dataset) ), \
boost::unit_test::decorator::collector::instance() ); \
\
template<BOOST_PP_ENUM_PARAMS(arity, typename Arg)> \
void test_name::_impl( BOOST_DATA_TEST_CASE_PARAMS( params ) ) \
/**/
#define BOOST_DATA_TEST_CASE_WITH_PARAMS( test_name, dataset, ... ) \
BOOST_DATA_TEST_CASE_IMPL( BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
test_name, dataset, \
BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__) ) \
/**/
#define BOOST_DATA_TEST_CASE_NO_PARAMS( test_name, dataset ) \
BOOST_DATA_TEST_CASE_WITH_PARAMS( test_name, dataset, sample ) \
/**/
#if BOOST_PP_VARIADICS_MSVC
#define BOOST_DATA_TEST_CASE( ... ) \
BOOST_PP_CAT( \
BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
BOOST_DATA_TEST_CASE_NO_PARAMS, \
BOOST_DATA_TEST_CASE_WITH_PARAMS) (__VA_ARGS__), ) \
/**/
#else
#define BOOST_DATA_TEST_CASE( ... ) \
BOOST_PP_IIF(BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),2), \
BOOST_DATA_TEST_CASE_NO_PARAMS, \
BOOST_DATA_TEST_CASE_WITH_PARAMS) (__VA_ARGS__) \
/**/
#endif
} // namespace data
} // namespace unit_test
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_DATA_TEST_CASE_HPP_102211GER
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