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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 template_test_case_gen
// ***************************************************************************
#ifndef BOOST_TEST_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
#define BOOST_TEST_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
// Boost.Test
#include <boost/test/detail/config.hpp>
#include <boost/test/detail/global_typedef.hpp>
#include <boost/test/detail/fwd_decl.hpp>
#include <boost/test/detail/workaround.hpp>
#include <boost/test/utils/class_properties.hpp>
#include <boost/test/tree/observer.hpp>
// Boost
#include <boost/shared_ptr.hpp>
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/type.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/function/function0.hpp>
#if defined(BOOST_NO_TYPEID) || defined(BOOST_NO_RTTI)
# include <boost/current_function.hpp>
#else
# include <boost/core/demangle.hpp>
#endif
// STL
#include <string> // for std::string
#include <list> // for std::list
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
!defined(BOOST_NO_CXX11_HDR_TUPLE) && \
!defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
#include <tuple>
#endif
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
namespace ut_detail {
// ************************************************************************** //
// ************** test_case_template_invoker ************** //
// ************************************************************************** //
template<typename TestCaseTemplate,typename TestType>
class test_case_template_invoker {
public:
void operator()() { TestCaseTemplate::run( (boost::type<TestType>*)0 ); }
};
// ************************************************************************** //
// ************** generate_test_case_4_type ************** //
// ************************************************************************** //
template<typename Generator, typename TestCaseTemplate>
struct generate_test_case_4_type {
explicit generate_test_case_4_type( const_string tc_name, const_string tc_file, std::size_t tc_line, Generator& G )
: m_test_case_name( tc_name )
, m_test_case_file( tc_file )
, m_test_case_line( tc_line )
, m_holder( G )
{}
template<typename TestType>
void operator()( mpl::identity<TestType> )
{
std::string full_name;
assign_op( full_name, m_test_case_name, 0 );
full_name += '<';
#if !defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI)
full_name += boost::core::demangle(typeid(TestType).name()); // same as execution_monitor.ipp
#else
full_name += BOOST_CURRENT_FUNCTION;
#endif
if( boost::is_const<TestType>::value )
full_name += "_const";
full_name += '>';
m_holder.m_test_cases.push_back( new test_case( ut_detail::normalize_test_case_name( full_name ),
m_test_case_file,
m_test_case_line,
test_case_template_invoker<TestCaseTemplate,TestType>() ) );
}
private:
// Data members
const_string m_test_case_name;
const_string m_test_case_file;
std::size_t m_test_case_line;
Generator& m_holder;
};
// ************************************************************************** //
// ************** test_case_template ************** //
// ************************************************************************** //
class template_test_case_gen_base : public test_unit_generator {
public:
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;
}
// Data members
mutable std::list<test_unit*> m_test_cases;
};
template<typename TestCaseTemplate,typename TestTypesList>
class template_test_case_gen : public template_test_case_gen_base {
public:
// Constructor
template_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line )
{
typedef generate_test_case_4_type<template_test_case_gen<TestCaseTemplate,TestTypesList>,TestCaseTemplate> single_test_gen;
mpl::for_each<TestTypesList,mpl::make_identity<mpl::_> >( single_test_gen( tc_name, tc_file, tc_line, *this ) );
}
};
// adding support for tuple
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
!defined(BOOST_NO_CXX11_HDR_TUPLE) && \
!defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
template<typename TestCaseTemplate, typename... tuple_parameter_pack>
class template_test_case_gen<TestCaseTemplate, std::tuple<tuple_parameter_pack...> > : public template_test_case_gen_base {
template<int... Is>
struct seq { };
template<int N, int... Is>
struct gen_seq : gen_seq<N - 1, N - 1, Is...> { };
template<int... Is>
struct gen_seq<0, Is...> : seq<Is...> { };
template<typename tuple_t, typename F, int... Is>
void for_each(F &f, seq<Is...>)
{
auto l = { (f(mpl::identity<typename std::tuple_element<Is, tuple_t>::type>()), 0)... };
(void)l; // silence warning
}
public:
// Constructor
template_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line )
{
using tuple_t = std::tuple<tuple_parameter_pack...>;
using this_type = template_test_case_gen<TestCaseTemplate, tuple_t >;
using single_test_gen = generate_test_case_4_type<this_type, TestCaseTemplate>;
single_test_gen op( tc_name, tc_file, tc_line, *this );
this->for_each<tuple_t>(op, gen_seq<sizeof...(tuple_parameter_pack)>());
}
};
#endif /* C++11 variadic and tuples */
} // namespace ut_detail
} // unit_test
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
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