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// Copyright (C) 2016-2022 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/>.
// { dg-do run { target c++17 } }
#include <memory_resource>
#include <utility>
#include <tuple>
struct do_not_copy {
do_not_copy() = default;
do_not_copy(const do_not_copy&) { throw 1; }
};
void
test01()
{
struct X {
X(do_not_copy&&) { }
};
using pair = std::pair<X, int>;
std::pmr::polymorphic_allocator<pair> a;
auto ptr = a.allocate(1);
a.construct(ptr, std::piecewise_construct,
std::tuple<do_not_copy>{}, std::make_tuple(1));
a.deallocate(ptr, 1);
}
void
test02()
{
struct X {
using allocator_type = std::pmr::polymorphic_allocator<int>;
X(do_not_copy&&, const allocator_type&) { }
};
using pair = std::pair<X, int>;
std::pmr::polymorphic_allocator<pair> a;
auto ptr = a.allocate(1);
a.construct(ptr, std::piecewise_construct,
std::tuple<do_not_copy>{}, std::make_tuple(1));
a.deallocate(ptr, 1);
}
void
test03()
{
struct X {
using allocator_type = std::pmr::polymorphic_allocator<int>;
X(std::allocator_arg_t, const allocator_type&, do_not_copy&&) { }
};
using pair = std::pair<X, int>;
std::pmr::polymorphic_allocator<pair> a;
auto ptr = a.allocate(1);
a.construct(ptr, std::piecewise_construct,
std::tuple<do_not_copy>{}, std::make_tuple(1));
a.deallocate(ptr, 1);
}
void
test04()
{
struct X
{
using allocator_type = std::pmr::polymorphic_allocator<int>;
X() = default;
X(const X&) { throw 1; }
X(const X&, const allocator_type&) { }
};
struct Y
{
using allocator_type = std::pmr::polymorphic_allocator<int>;
Y() = default;
Y(const Y&) = delete;
Y(std::allocator_arg_t, const allocator_type&, const Y&) { }
};
using pair_type = std::pair<X, Y>;
std::pmr::polymorphic_allocator<pair_type> a;
auto ptr = a.allocate(1);
/* not const */ pair_type p;
a.construct(ptr, p); // LWG 2975
a.deallocate(ptr, 1);
}
int main()
{
test01();
test02();
test03();
test04();
}
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