gomp-20050608-branch/libstdc++-v3/testsuite/tr1/2_general_utilities/memory/shared_ptr/cons/weak_ptr_expired.cc

   1 // { dg-do run { xfail *-*-* } }
   2 // Copyright (C) 2005 Free Software Foundation
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 2, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING.  If not, write to the Free
  17 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  18 // USA.
  19
  20 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
  21
  22 #include <tr1/memory>
  23 #include <testsuite_hooks.h>
  24
  25 struct A { };
  26
  27 // 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
  28
  29 // Construction from expired weak_ptr
  30 int
  31 test01()
  32 {
  33   bool test __attribute__((unused)) = true;
  34
  35   std::tr1::shared_ptr<A> a1(new A);
  36   std::tr1::weak_ptr<A> wa(a1);
  37   a1.reset();
  38   VERIFY( wa.expired() );
  39   try
  40   {
  41     std::tr1::shared_ptr<A> a2(wa);
  42   }
  43   catch (const std::tr1::bad_weak_ptr&)
  44   {
  45     // Expected.
  46       __throw_exception_again;
  47   }
  48   catch (...)
  49   {
  50     // Failed.
  51   }
  52
  53   return 0;
  54 }
  55
  56 int
  57 main()
  58 {
  59   test01();
  60   return 0;
  61 }