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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 23_containers / multimap / cons / noexcept_move_construct.cc

// { dg-do compile { target c++11 } }

// 2011-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
//
// Copyright (C) 2011-2024 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 <map>

typedef std::multimap<int, int> mmtype;

static_assert( std::is_nothrow_move_constructible<mmtype>::value,
	       "noexcept move constructor" );
static_assert( std::is_nothrow_constructible<mmtype,
	       mmtype&&, const typename mmtype::allocator_type&>::value,
	       "noexcept move constructor with allocator" );

template<typename Type>
  class not_noexcept_move_constructor_alloc : public std::allocator<Type>
  {
  public:
    not_noexcept_move_constructor_alloc() noexcept { }

    not_noexcept_move_constructor_alloc(
	const not_noexcept_move_constructor_alloc& x) noexcept
    : std::allocator<Type>(x)
    { }

    not_noexcept_move_constructor_alloc(
	not_noexcept_move_constructor_alloc&& x) noexcept(false)
    : std::allocator<Type>(std::move(x))
    { }

    template<typename _Tp1>
      struct rebind
      { typedef not_noexcept_move_constructor_alloc<_Tp1> other; };
  };

typedef std::multimap<int, int, std::less<int>,
		      not_noexcept_move_constructor_alloc<std::pair<const int, int>>> ammtype;

static_assert( std::is_nothrow_move_constructible<ammtype>::value,
	       "noexcept move constructor with not noexcept alloc" );

struct not_noexcept_less
{
  not_noexcept_less() = default;
  not_noexcept_less(const not_noexcept_less&) /* noexcept */
  { }

  bool
  operator()(int l, int r) const
  { return l < r; }
};

typedef std::multimap<int, int, not_noexcept_less> emmtype;

static_assert( !std::is_nothrow_move_constructible<emmtype>::value,
	       "not noexcept move constructor with not noexcept less" );

static_assert( !std::is_nothrow_constructible<emmtype, emmtype&&,
	       const typename emmtype::allocator_type&>::value,
	       "not noexcept move constructor with allocator" );