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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [tr1/] [3_function_objects/] [result_of.cc] - Rev 19
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// 2005-01-26 Douglas Gregor <doug.gregor -at- gmail.com> // // Copyright (C) 2005 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 2, or (at your option) // any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 3.4 function return types #include <tr1/functional> #include <tr1/type_traits> #include <testsuite_hooks.h> #include <testsuite_tr1.h> class X {}; 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; }; }; void test01() { bool test __attribute__((unused)) = true; using std::tr1::result_of; using std::tr1::is_same; using namespace __gnu_test; 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; VERIFY((is_same<result_of<int_result_type(float)>::type, int>::value)); VERIFY((is_same<result_of<int_result_of(double)>::type, int>::value)); VERIFY((is_same<result_of<int_result_of(void)>::type, void>::value)); VERIFY((is_same<result_of<const int_result_of(double)>::type, int>::value)); VERIFY((is_same<result_of<volatile int_result_of(void)>::type, void>::value)); VERIFY((is_same<result_of<int_result_type_and_float_result_of(char)>::type, int>::value)); VERIFY((is_same<result_of<func_ptr(char, float)>::type, int>::value)); VERIFY((is_same<result_of<func_ref(char, float)>::type, int>::value)); VERIFY((is_same<result_of<mem_func_ptr(::X,char)>::type, int>::value)); VERIFY((is_same<result_of<mem_func_ptr_c(::X,char)>::type, int>::value)); VERIFY((is_same<result_of<mem_func_ptr_v(::X,char)>::type, int>::value)); VERIFY((is_same<result_of<mem_func_ptr_cv(::X,char)>::type, int>::value)); } int main() { test01(); return 0; }