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

   1 // { dg-options "-std=gnu++11" }
   2
   3 // Copyright (C) 2013 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 <memory>
  21 #include <testsuite_hooks.h>
  22
  23 struct X : public std::enable_shared_from_this<X> { };
  24
  25 void test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  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 }