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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / shared_ptr / cons / lwg2802.cc

// Copyright (C) 2017-2024 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/>.

// { dg-do compile { target c++11 } }
// { dg-require-effective-target hosted }

#include <memory>

// LWG 2802. shared_ptr constructor requirements for a deleter

struct D
{
  D() { }
  D(D&&) { }
  void operator()(int* p) const { delete p; }
};

std::allocator<int> a;

std::shared_ptr<int> s1((int*)nullptr, D());
std::shared_ptr<int> s2((int*)nullptr, D(), a);
std::shared_ptr<int> s3(nullptr, D());
std::shared_ptr<int> s4(nullptr, D(), a);

void test01()
{
  s1.reset((int*)nullptr, D());
  s1.reset((int*)nullptr, D(), a);
}

struct D2 final
{
  D2() { }
  D2(D2&&) { }
  void operator()(int* p) const { delete p; }
};

std::shared_ptr<int> s5(nullptr, D2());