libstdc++-v3/testsuite/20_util/auto_ptr/3946.cc

   1 // Copyright (C) 2000-2019 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 20.4.5 Template class auto_ptr [lib.auto.ptr]
  19
  20 // { dg-options "-std=c++98" }
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/3946
  26 // http://gcc.gnu.org/ml/libstdc++/2002-07/msg00024.html
  27 struct Base { };
  28 struct Derived : public Base { };
  29
  30 std::auto_ptr<Derived>
  31 conversiontest08() { return std::auto_ptr<Derived>(new Derived); }
  32
  33 void
  34 test08()
  35 {
  36   std::auto_ptr<Base> ptr;
  37   ptr = conversiontest08();
  38 }
  39
  40
  41 int
  42 main()
  43 {
  44   test08();
  45   return 0;
  46 }