// (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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/// Defines template_test_case_gen
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// ***************************************************************************
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#ifndef BOOST_TEST_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
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#define BOOST_TEST_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
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// Boost.Test
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#include <boost/test/detail/config.hpp>
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#include <boost/test/detail/global_typedef.hpp>
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#include <boost/test/detail/fwd_decl.hpp>
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#include <boost/test/tree/test_unit.hpp>
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#include <boost/test/utils/class_properties.hpp>
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#include <boost/test/tree/observer.hpp>
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#include <boost/test/utils/algorithm.hpp>
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// Boost
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#include <boost/shared_ptr.hpp>
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#include <boost/mpl/for_each.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/type.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#include <boost/type_traits/is_lvalue_reference.hpp>
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#include <boost/type_traits/is_rvalue_reference.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/function/function0.hpp>
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#if defined(BOOST_NO_TYPEID) || defined(BOOST_NO_RTTI)
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# include <boost/current_function.hpp>
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#else
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# include <boost/core/demangle.hpp>
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#endif
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// STL
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#include <string> // for std::string
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#include <list> // for std::list
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#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
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!defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
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#include <type_traits>
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#include <boost/mpl/is_sequence.hpp>
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#endif
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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 unit_test {
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namespace ut_detail {
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// ************************************************************************** //
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// ************** test_case_template_invoker ************** //
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// ************************************************************************** //
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template<typename TestCaseTemplate,typename TestType>
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class test_case_template_invoker {
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public:
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void operator()() { TestCaseTemplate::run( (boost::type<TestType>*)0 ); }
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};
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// ************************************************************************** //
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// ************** generate_test_case_4_type ************** //
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// ************************************************************************** //
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template<typename Generator, typename TestCaseTemplate>
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struct generate_test_case_4_type {
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explicit generate_test_case_4_type( const_string tc_name, const_string tc_file, std::size_t tc_line, Generator& G )
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: m_test_case_name( tc_name )
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, m_test_case_file( tc_file )
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, m_test_case_line( tc_line )
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, m_holder( G )
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{}
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template<typename TestType>
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void operator()( mpl::identity<TestType> )
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{
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std::string full_name;
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assign_op( full_name, m_test_case_name, 0 );
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full_name += '<';
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#if !defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI)
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full_name += boost::core::demangle(typeid(TestType).name()); // same as execution_monitor.ipp
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#else
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full_name += BOOST_CURRENT_FUNCTION;
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#endif
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// replacing ',' by ', ' first, and then removing any double space
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static const std::string to_replace[] = { "class ", "struct ", ",", " ", " <", " >"};
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static const std::string replacement[] = { "", "" , ", ", " ", "<" , ">"};
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full_name = unit_test::utils::replace_all_occurrences_of(
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full_name,
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to_replace, to_replace + sizeof(to_replace)/sizeof(to_replace[0]),
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replacement, replacement + sizeof(replacement)/sizeof(replacement[0]));
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typedef typename boost::remove_reference<TestType>::type TestTypewoRef;
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if( boost::is_const<TestTypewoRef>::value )
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full_name += "_const";
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if( boost::is_volatile<TestTypewoRef>::value )
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full_name += "_volatile";
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if( boost::is_rvalue_reference<TestType>::value )
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full_name += "_refref";
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else if( boost::is_lvalue_reference<TestType>::value )
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full_name += "_ref";
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full_name += '>';
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m_holder.m_test_cases.push_back( new test_case( ut_detail::normalize_test_case_name( full_name ),
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m_test_case_file,
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m_test_case_line,
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test_case_template_invoker<TestCaseTemplate,TestType>() ) );
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}
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private:
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// Data members
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const_string m_test_case_name;
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const_string m_test_case_file;
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std::size_t m_test_case_line;
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Generator& m_holder;
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};
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// ************************************************************************** //
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// ************** test_case_template ************** //
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// ************************************************************************** //
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class template_test_case_gen_base : public test_unit_generator {
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public:
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test_unit* next() const BOOST_OVERRIDE
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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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// Data members
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mutable std::list<test_unit*> m_test_cases;
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};
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template<typename TestCaseTemplate,typename TestTypesList, typename enabler = void>
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class template_test_case_gen : public template_test_case_gen_base {
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public:
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// Constructor
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template_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line )
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{
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typedef generate_test_case_4_type<template_test_case_gen<TestCaseTemplate,TestTypesList>,TestCaseTemplate> single_test_gen;
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mpl::for_each<TestTypesList,mpl::make_identity<mpl::_> >( single_test_gen( tc_name, tc_file, tc_line, *this ) );
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}
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};
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// Describing template test cases with tuples
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#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
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!defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && \
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!defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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template<typename TestCaseTemplate,
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template <class ...> class C,
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typename... parameter_pack>
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class template_test_case_gen<
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TestCaseTemplate,
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C<parameter_pack...>,
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typename std::enable_if<!boost::mpl::is_sequence<C<parameter_pack...>>::value>::type >
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: public template_test_case_gen_base {
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template<typename F>
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void for_each(F &f)
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{
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auto l = { (f(mpl::identity<parameter_pack>()), 0)... };
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(void)l; // silence warning
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}
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public:
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// Constructor
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template_test_case_gen( const_string tc_name, const_string tc_file, std::size_t tc_line )
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{
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using this_type = template_test_case_gen<
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TestCaseTemplate,
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C<parameter_pack...>,
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typename std::enable_if<!boost::mpl::is_sequence<C<parameter_pack...>>::value>::type>;
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using single_test_gen = generate_test_case_4_type<this_type, TestCaseTemplate>;
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single_test_gen op( tc_name, tc_file, tc_line, *this );
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this->for_each(op);
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}
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};
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#endif /* C++11 variadic, type alias */
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} // namespace ut_detail
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} // 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_TREE_TEST_CASE_TEMPLATE_HPP_091911GER
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