libstdc++-v3/testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc

   1 // Copyright (C) 2005, 2009 Free Software Foundation
   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 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
  19
  20 #include <tr1/memory>
  21 #include <testsuite_hooks.h>
  22
  23 struct A { };
  24
  25 // 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
  26
  27 // Construction from auto_ptr
  28 int
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32
  33   std::auto_ptr<A> a(new A);
  34   std::tr1::shared_ptr<A> a2(a);
  35   VERIFY( a.get() == 0 );
  36   VERIFY( a2.get() != 0 );
  37   VERIFY( a2.use_count() == 1 );
  38
  39   return 0;
  40 }
  41
  42 int
  43 main()
  44 {
  45   test01();
  46   return 0;
  47 }