1 // -*- C++ -*-
2 
3 // Copyright (C) 2006-2021 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 <ext/type_traits.h>
21 #include <tr1/type_traits>
22 #include <testsuite_hooks.h>
23 
24 template<typename T>
25   void
check_add_unsigned()26   check_add_unsigned()
27   {
28     typedef typename __gnu_cxx::__add_unsigned<T>::__type unsigned_type;
29     VERIFY( std::tr1::is_unsigned<unsigned_type>::value );
30   }
31 
main()32 int main()
33 {
34   check_add_unsigned<char>();
35   check_add_unsigned<unsigned char>();
36   check_add_unsigned<signed char>();
37   check_add_unsigned<int>();
38   check_add_unsigned<unsigned int>();
39   check_add_unsigned<signed int>();
40   check_add_unsigned<long>();
41   check_add_unsigned<unsigned long>();
42   check_add_unsigned<signed long>();
43   check_add_unsigned<long long>();
44   check_add_unsigned<unsigned long long>();
45   check_add_unsigned<signed long long>();
46   return 0;
47 }
48