libstdc++-v3/testsuite/experimental/any/assign/2.cc

   1 // { dg-do run { target c++14 } }
   2
   3 // Copyright (C) 2014-2016 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 <experimental/any>
  21 #include <testsuite_hooks.h>
  22
  23 using std::experimental::any;
  24 using std::experimental::any_cast;
  25
  26 struct X
  27 {
  28   bool moved = false;
  29   bool moved_from = false;
  30   X() = default;
  31   X(const X&) = default;
  32   X(X&& x) : moved(true) { x.moved_from = true; }
  33 };
  34
  35 void test01()
  36 {
  37   X x;
  38   any a1;
  39   a1 = x;
  40   VERIFY(x.moved_from == false);
  41   any a2;
  42   a2 = std::move(x);
  43   VERIFY(x.moved_from == true);
  44   VERIFY(any_cast<X&>(a2).moved == true );
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50 }