1 // { dg-options "-std=gnu++11" }
2 // { dg-do compile }
3 
4 // Copyright (C) 2013-2016 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library.  This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3.  If not see
19 // <http://www.gnu.org/licenses/>.
20 
21 #include <type_traits>
22 #include <testsuite_tr1.h>
23 
test01()24 void test01()
25 {
26   using std::add_const;
27   using std::is_same;
28   using namespace __gnu_test;
29 
30   static_assert(is_same<add_const<int>::type, const int>::value, "");
31   static_assert(is_same<add_const<volatile int>::type,
32 		const volatile int>::value, "");
33   static_assert(is_same<add_const<int*>::type, int* const>::value, "");
34   static_assert(is_same<add_const<int&>::type, int&>::value, "");
35   static_assert(is_same<add_const<int (int)>::type, int (int)>::value, "");
36   static_assert(is_same<add_const<const int>::type, const int>::value, "");
37   static_assert(is_same<add_const<ClassType>::type,
38 		const ClassType>::value, "");
39   static_assert(is_same<add_const<volatile ClassType>::type,
40 		const volatile ClassType>::value, "");
41   static_assert(is_same<add_const<ClassType*>::type,
42 		ClassType* const>::value, "");
43   static_assert(is_same<add_const<ClassType&>::type, ClassType&>::value, "");
44   static_assert(is_same<add_const<ClassType (ClassType)>::type,
45 		ClassType (ClassType)>::value, "");
46   static_assert(is_same<add_const<const ClassType>::type,
47 		const ClassType>::value, "");
48 }
49