1 // { dg-do run { target c++11 } }
2 
3 // Copyright (C) 2005-2021 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 
21 // NOTE: This makes use of the fact that we know how moveable
22 // is implemented on map (via swap). If the implementation changed
23 // this test may begin to fail.
24 
25 #include <map>
26 #include <utility>
27 #include <testsuite_hooks.h>
28 
main()29 int main()
30 {
31   std::map<int, int> a,b;
32   a[2]=0;
33   b[1]=0;
34   b = std::move(a);
35   VERIFY(b.find(2) != b.end() && a.find(1) == a.end());
36 
37   std::map<int, int> c(std::move(b));
38   VERIFY( c.find(2) != c.end());
39   VERIFY( b.find(2) == b.end());
40   return 0;
41 }
42