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// Copyright (C) 2000, 2002, 2003, 2004, 2009 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 3, 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 COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 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;

  }

};

// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv]

// Parameters and return values

template <typename T>

static std::auto_ptr<T> source()

{

  return std::auto_ptr<T>(new T);

}

template <typename T>

static void drain(std::auto_ptr<T>)

{}

int

test07()

{

  bool test __attribute__((unused)) = true;

  reset_count_struct __attribute__((unused)) reset;

  drain(source<A>());

  // The resolution of core issue 84, now a DR, breaks this call.

  // drain<A>(source<B>());

  drain(source<B>());

  VERIFY( A::ctor_count == 2 );

  VERIFY( A::dtor_count == 2 );

  VERIFY( B::ctor_count == 1 );

  VERIFY( B::dtor_count == 1 );

  return 0;

}

int

main()

{

  test07();

  return 0;

}