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// { dg-options "-std=gnu++0x" }
 
// Copyright (C) 2011 Free Software Foundation, Inc.
//
// 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/>.
 
#include <memory>
#include <cstddef>
#include <testsuite_hooks.h>
 
struct X
{
  static int counter;
  X() { }
  X(const X&) { ++counter; }
  explicit X(int) { ++counter; }
  X(int, int) { ++counter; }
  X(int, int, int) { ++counter; }
};
 
int X::counter = 0;
 
template<typename T>
struct fake_allocator
{
  typedef T value_type;
 
  fake_allocator() : counter() {}
 
  int counter;
 
  T* allocate(std::size_t n) { return (T*)new char[n*sizeof(T)]; }
  void deallocate(T* p, std::size_t) { delete[] (char*)p; }
 
  // don't actually construct anything when these are called
  void construct(T* p) { ++counter; }
  void construct(T* p, int, int) { ++counter; }
};
 
void test01()
{
  bool test __attribute__((unused)) = true;
 
  typedef std::allocator_traits<fake_allocator<X>> traits_type;
  traits_type::allocator_type a;
  X* p = traits_type::allocate(a, 1);
  traits_type::construct(a, p);
  VERIFY( a.counter == 1 );
  traits_type::construct(a, p, 1);
  VERIFY( a.counter == 1 );
  VERIFY( X::counter == 1 );
  traits_type::destroy(a, p);
  traits_type::construct(a, p, 1, 1);
  VERIFY( a.counter == 2 );
  VERIFY( X::counter == 1 );
  traits_type::construct(a, p, 1, 1, 1);
  VERIFY( a.counter == 2 );
  VERIFY( X::counter == 2 );
  traits_type::destroy(a, p);
  traits_type::deallocate(a, p, 1);
}
 
int main()
{
  test01();
}