libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/assign.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-effective-target hosted }
   3
   4 // Copyright (C) 2013-2022 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 <memory>
  22 #include <testsuite_hooks.h>
  23
  24 struct X : public std::enable_shared_from_this<X> { };
  25
  26 void test01()
  27 {
  28   auto x1 = std::make_shared<X>(), x2 = std::make_shared<X>();
  29   *x1 = *x2;
  30   VERIFY( x1->shared_from_this() != x2->shared_from_this() );
  31 }
  32
  33 int main()
  34 {
  35   test01();
  36 }