boost/test/test_case_template.hpp
// (C) Copyright Gennadiy Rozental 2003-2007.
// 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 : $RCSfile$
//
// Version : $Revision: 41369 $
//
// Description : implements support for test cases templates instantiated with
// sequence of test types
// ***************************************************************************
#ifndef BOOST_TEST_TEST_CASE_TEMPLATE_HPP_071894GER
#define BOOST_TEST_TEST_CASE_TEMPLATE_HPP_071894GER
// Boost.Test
#include <boost/test/unit_test_suite.hpp>
// Boost
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/type.hpp>
#include <boost/type_traits/is_const.hpp>
// STL
#include <typeinfo>
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
#define BOOST_TEST_CASE_TEMPLATE( name, typelist ) \
boost::unit_test::ut_detail::template_test_case_gen<name,typelist >( \
BOOST_TEST_STRINGIZE( name ) ) \
/**/
//____________________________________________________________________________//
#define BOOST_TEST_CASE_TEMPLATE_FUNCTION( name, type_name ) \
template<typename type_name> \
void BOOST_JOIN( name, _impl )( boost::type<type_name>* ); \
\
struct name { \
template<typename TestType> \
static void run( boost::type<TestType>* frwrd = 0 ) \
{ \
BOOST_JOIN( name, _impl )( frwrd ); \
} \
}; \
\
template<typename type_name> \
void BOOST_JOIN( name, _impl )( boost::type<type_name>* ) \
/**/
//____________________________________________________________________________//
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, Generator& G )
: m_test_case_name( tc_name )
, 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 += '<';
full_name += typeid(TestType).name();
if( boost::is_const<TestType>::value )
full_name += " const";
full_name += '>';
m_holder.m_test_cases.push_back(
new test_case( full_name, test_case_template_invoker<TestCaseTemplate,TestType>() ) );
}
private:
// Data members
const_string m_test_case_name;
Generator& m_holder;
};
// ************************************************************************** //
// ************** test_case_template ************** //
// ************************************************************************** //
template<typename TestCaseTemplate,typename TestTypesList>
class template_test_case_gen : public test_unit_generator {
public:
// Constructor
template_test_case_gen( const_string tc_name )
{
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, *this ) );
}
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;
};
//____________________________________________________________________________//
} // namespace ut_detail
} // unit_test
} // namespace boost
//____________________________________________________________________________//
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_TEST_CASE_TEMPLATE_HPP_071894GER