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

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-effective-target hosted }
   3
   4 // Copyright (C) 2009-2022 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <functional>
  22
  23 struct moveable
  24 {
  25   moveable() = default;
  26   ~moveable() = default;
  27   // target object must be CopyConstructible,
  28   // but should not be copied during this test
  29   moveable(const moveable&) { throw "copied"; }
  30   moveable& operator=(const moveable&) = delete;
  31   moveable(moveable&&) { }
  32
  33   void operator()() const { }
  34 };
  35
  36 void test01()
  37 {
  38   std::function<void ()> f = moveable();
  39   f();
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45
  46   return 0;
  47 }