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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2007, 2008, 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/>.

// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]

#include <memory>

#include <testsuite_hooks.h>

#include <testsuite_allocator.h>

using __gnu_test::tracker_allocator_counter;

using __gnu_test::tracker_allocator;

struct A

{

  A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }

  explicit A(int i) : i(i), d(), c() { ++ctor_count; }

  A() : i(), d(), c() { ++ctor_count; }

  ~A() { ++dtor_count; }

  int i;

  double d;

  char c;

  static int ctor_count;

  static int dtor_count;

};

int A::ctor_count = 0;

int A::dtor_count = 0;

struct reset_count_struct

{

  ~reset_count_struct()

  {

    A::ctor_count = 0;

    A::dtor_count = 0;

    tracker_allocator_counter::reset();

  }

};

// 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]

void

test01()

{

  bool test __attribute__((unused)) = true;

  reset_count_struct __attribute__((unused)) reset;

  {

    std::shared_ptr<A> p1 = std::allocate_shared<A>(tracker_allocator<A>());

    VERIFY( p1.get() != 0 );

    VERIFY( p1.use_count() == 1 );

    VERIFY( A::ctor_count == 1 );

    VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );

  }

  VERIFY( A::ctor_count == A::dtor_count );

  VERIFY( tracker_allocator_counter::get_allocation_count()

          == tracker_allocator_counter::get_deallocation_count() );

}

void

test02()

{

  bool test __attribute__((unused)) = true;

  reset_count_struct __attribute__((unused)) reset;

  std::shared_ptr<A> p1;

  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1);

  VERIFY( A::ctor_count == 1 );

  VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );

  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0);

  VERIFY( A::ctor_count == 2 );

  VERIFY( A::dtor_count == 1 );

  VERIFY( tracker_allocator_counter::get_deallocation_count() > 0 );

  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0, '3');

  VERIFY( A::ctor_count == 3 );

  VERIFY( A::dtor_count == 2 );

  VERIFY( p1->i == 1 );

  VERIFY( p1->d == 2.0 );

  VERIFY( p1->c == '3' );

  p1 = std::shared_ptr<A>();

  VERIFY( A::ctor_count == A::dtor_count );

  VERIFY( tracker_allocator_counter::get_allocation_count()

          == tracker_allocator_counter::get_deallocation_count() );

}

int

main()

{

  test01();

  test02();

  return 0;

}