// (C) Copyright Douglas Gregor 2003-2004. // (C) Copyright Tobias Schwinger // // Use modification and distribution are subject to the boost Software License, // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). //------------------------------------------------------------------------------ // This file is a modified copy of the original Boost.ResultOf test-suite. // See result_of.hpp in this directory for details. #include "result_of.hpp" #include <utility> #include <boost/static_assert.hpp> #include <boost/type_traits/is_same.hpp> struct int_result_type { typedef int result_type; }; struct int_result_of { template<typename F> struct result { typedef int type; }; }; struct int_result_type_and_float_result_of { typedef int result_type; template<typename F> struct result { typedef float type; }; }; struct X {}; int main() { using namespace boost; namespace e = example; typedef int (*func_ptr)(float, double); typedef int (&func_ref)(float, double); typedef int (X::*mem_func_ptr)(float); typedef int (X::*mem_func_ptr_c)(float) const; typedef int (X::*mem_func_ptr_v)(float) volatile; typedef int (X::*mem_func_ptr_cv)(float) const volatile; BOOST_STATIC_ASSERT((is_same<e::result_of<int_result_type(float)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<int_result_of(double)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<int_result_of(void)>::type, void>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<const int_result_of(double)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<volatile int_result_of(void)>::type, void>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<int_result_type_and_float_result_of(char)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<func_ptr(char, float)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<func_ref(char, float)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<mem_func_ptr(X,char)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<mem_func_ptr_c(X,char)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<mem_func_ptr_v(X,char)>::type, int>::value)); BOOST_STATIC_ASSERT((is_same<e::result_of<mem_func_ptr_cv(X,char)>::type, int>::value)); return 0; }