1 // Copyright (C) 2014-2021 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 #include <tr1/functional>
19 #include <stdexcept>
20 #include <testsuite_hooks.h>
21 
22 struct functor
23 {
functorfunctor24   functor() : copies(0) { }
25 
functorfunctor26   functor(const functor& f)
27   : copies(f.copies + 1)
28   {
29     if (copies > 1)
30       throw std::runtime_error("functor");
31   }
32 
operator ()functor33   void operator()() const { }
34 
35   int copies;
36 };
37 
38 
39 void
test01()40 test01()
41 {
42   std::tr1::function<void()> f = functor();
43   try {
44     std::tr1::function<void()> g = f;
45   } catch (const std::runtime_error& e) {
46     return;
47   }
48   VERIFY(false);
49 }
50 
51 int
main()52 main()
53 {
54   test01();
55 }
56