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// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 2, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 20.4.5 Template class auto_ptr [lib.auto.ptr]

#include <memory>

#include <testsuite_hooks.h>

struct A

{

  A() { ++ctor_count; }

  virtual ~A() { ++dtor_count; }

  static long ctor_count;

  static long dtor_count;

};

long A::ctor_count = 0;

long A::dtor_count = 0;

struct B : A

{

  B() { ++ctor_count; }

  virtual ~B() { ++dtor_count; }

  static long ctor_count;

  static long dtor_count;

};

long B::ctor_count = 0;

long B::dtor_count = 0;

struct reset_count_struct

{

  ~reset_count_struct()

  {

    A::ctor_count = 0;

    A::dtor_count = 0;

    B::ctor_count = 0;

    B::dtor_count = 0;

  }

};

// 20.4.5.2 auto_ptr members [lib.auto.ptr.members]

// Member access

int

test06()

{

  reset_count_struct __attribute__((unused)) reset;

  bool test __attribute__((unused)) = true;

  std::auto_ptr<A> A_from_A(new A);

  std::auto_ptr<A> A_from_A_ptr(A_from_A.release());

  VERIFY( A_from_A.get() == 0 );

  VERIFY( A_from_A_ptr.get() != 0 );

  VERIFY( A_from_A_ptr->ctor_count == 1 );

  VERIFY( (*A_from_A_ptr).dtor_count == 0 );

  A* A_ptr = A_from_A_ptr.get();

  A_from_A_ptr.reset(A_ptr);

  VERIFY( A_from_A_ptr.get() == A_ptr );

  VERIFY( A_from_A_ptr->ctor_count == 1 );

  VERIFY( (*A_from_A_ptr).dtor_count == 0 );

  A_from_A_ptr.reset(new A);

  VERIFY( A_from_A_ptr.get() != A_ptr );

  VERIFY( A_from_A_ptr->ctor_count == 2 );

  VERIFY( (*A_from_A_ptr).dtor_count == 1 );

  return 0;

}

int

main()

{

  test06();

  return 0;

}