1 // { dg-do compile { target c++11 } }
2
3 // Copyright (C) 2013-2021 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 //
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
19
20 #include <type_traits>
21 #include <testsuite_tr1.h>
22
test01()23 void test01()
24 {
25 using std::add_const;
26 using std::is_same;
27 using namespace __gnu_test;
28
29 static_assert(is_same<add_const<int>::type, const int>::value, "");
30 static_assert(is_same<add_const<volatile int>::type,
31 const volatile int>::value, "");
32 static_assert(is_same<add_const<int*>::type, int* const>::value, "");
33 static_assert(is_same<add_const<int&>::type, int&>::value, "");
34 static_assert(is_same<add_const<int (int)>::type, int (int)>::value, "");
35 static_assert(is_same<add_const<const int>::type, const int>::value, "");
36 static_assert(is_same<add_const<ClassType>::type,
37 const ClassType>::value, "");
38 static_assert(is_same<add_const<volatile ClassType>::type,
39 const volatile ClassType>::value, "");
40 static_assert(is_same<add_const<ClassType*>::type,
41 ClassType* const>::value, "");
42 static_assert(is_same<add_const<ClassType&>::type, ClassType&>::value, "");
43 static_assert(is_same<add_const<ClassType (ClassType)>::type,
44 ClassType (ClassType)>::value, "");
45 static_assert(is_same<add_const<const ClassType>::type,
46 const ClassType>::value, "");
47 }
48