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// { dg-do compile }

// { 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/>.

// test that propagate_on_container_xxx is true iff it is true for

// any of the outer or inner allocators

#include <scoped_allocator>

using std::scoped_allocator_adaptor;

typedef short test_type;

template<typename T>

  struct minimal_allocator

  {

    typedef T value_type;

    minimal_allocator();

    template <typename U>

      minimal_allocator(const minimal_allocator<U>&);

    T* allocate(std::size_t);

    void deallocate(T*, std::size_t);

  };

template<typename T, bool copy, bool move, bool swap>

  struct test_allocator : minimal_allocator<T>

  {

    struct propagate_on_container_copy_assignment

    { static const bool value = copy; };

    struct propagate_on_container_move_assignment

    { static const bool value = move; };

    struct propagate_on_container_swap

    { static const bool value = swap; };

  };

template<typename A>

  constexpr bool prop_on_copy()

  {

    typedef typename A::propagate_on_container_copy_assignment type;

    return type::value;

  }

template<typename A>

  constexpr bool prop_on_move()

  {

    typedef typename A::propagate_on_container_move_assignment type;

    return type::value;

  }

template<typename A>

  constexpr bool prop_on_swap()

  {

    typedef typename A::propagate_on_container_swap type;

    return type::value;

  }

template<typename A, bool C, bool M, bool S>

  constexpr bool test1()

  {

    static_assert( prop_on_copy<A>() == C, "copy" );

    static_assert( prop_on_move<A>() == M, "move" );

    static_assert( prop_on_swap<A>() == S, "swap" );

    return true;

  }

template<bool C, bool M, bool S>

  constexpr bool test2()

  {

    typedef minimal_allocator<test_type>       base_alloc;

    typedef test_allocator<test_type, C, M, S> test_alloc;

    typedef scoped_allocator_adaptor<base_alloc, test_alloc> scoped1;

    typedef scoped_allocator_adaptor<test_alloc, base_alloc> scoped2;

    typedef scoped_allocator_adaptor<test_alloc, test_alloc> scoped3;

    return test1<scoped1, C, M, S>()

        && test1<scoped2, C, M, S>()

        && test1<scoped3, C, M, S>();

  }

static_assert( test2<false, false, false>(), "never propagate" );

static_assert( test2<true, false, false>(), "propagate on copy" );

static_assert( test2<false, true, false>(), "propagate on move" );

static_assert( test2<false, false, true>(), "propagate on swap" );

static_assert( test2<true, true, false>(), "propagate on copy & move" );

static_assert( test2<true, false, true>(), "propagate on copy & swap" );

static_assert( test2<false, true, true>(), "propagate on move & swap" );

static_assert( test2<true, true, true>(), "always propagate" );