1 // { dg-do compile { target c++11 } }
2 
3 // 2007-06-02  Paolo Carlini  <pcarlini@suse.de>
4 //
5 // Copyright (C) 2007-2020 Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library.  This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 //
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3.  If not see
20 // <http://www.gnu.org/licenses/>.
21 
22 #include <type_traits>
23 #include <testsuite_tr1.h>
24 
test01()25 void test01()
26 {
27   using std::add_lvalue_reference;
28   using std::is_same;
29   using namespace __gnu_test;
30 
31   static_assert(is_same<add_lvalue_reference<int>::type, int&>::value, "");
32   static_assert(is_same<add_lvalue_reference<int&>::type, int&>::value, "" );
33   static_assert(is_same<add_lvalue_reference<const int>::type,
34 		const int&>::value, "");
35   static_assert(is_same<add_lvalue_reference<int*>::type, int*&>::value, "");
36   static_assert(is_same<add_lvalue_reference<ClassType&>::type,
37 		ClassType&>::value, "");
38   static_assert(is_same<add_lvalue_reference<ClassType>::type,
39 		ClassType&>::value, "");
40   static_assert(is_same<add_lvalue_reference<int(int)>::type,
41 		int(&)(int)>::value, "");
42   static_assert(is_same<add_lvalue_reference<int&&>::type, int&>::value, "");
43   static_assert(is_same<add_lvalue_reference<ClassType&&>::type,
44 		ClassType&>::value, "");
45   static_assert(is_same<add_lvalue_reference<void>::type, void>::value, "");
46   static_assert(is_same<add_lvalue_reference<const void>::type,
47 		const void>::value, "");
48   static_assert(is_same<add_lvalue_reference<bool(int) const>::type,
49 		bool(int) const>::value, "");
50   static_assert(is_same<add_lvalue_reference<bool(int) &>::type,
51 		bool(int) &>::value, "");
52   static_assert(is_same<add_lvalue_reference<bool(int) const &&>::type,
53 		bool(int) const &&>::value, "");
54   static_assert(is_same<add_lvalue_reference<bool(int)>::type,
55 		bool(&)(int)>::value, "");
56 }
57