libstdc++-v3/testsuite/20_util/function/cons/move_target.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2009-2018 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 <functional>
  21
  22 struct moveable
  23 {
  24   moveable() = default;
  25   ~moveable() = default;
  26   // target object must be CopyConstructible,
  27   // but should not be copied during this test
  28   moveable(const moveable& c) { throw "copied"; }
  29   moveable& operator=(const moveable&) = delete;
  30   moveable(moveable&&) { }
  31
  32   void operator()() const { }
  33 };
  34
  35 void test01()
  36 {
  37   std::function<void ()> f = moveable();
  38   f();
  39 }
  40
  41 int main()
  42 {
  43   test01();
  44
  45   return 0;
  46 }