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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2011 Free Software Foundation

//

// 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 <testsuite_hooks.h>

struct Deleter

{

  Deleter() = default;

  Deleter(const Deleter&) = default;

  Deleter(Deleter&&) = default;

  Deleter&

  operator=(const Deleter&)

  {

    bool test __attribute__((unused)) = true;

    VERIFY( true );

    return *this;

  }

  Deleter&

  operator=(Deleter&&)

  {

    bool test __attribute__((unused)) = true;

    VERIFY( false );

    return *this;

  }

  template<class T>

    void

    operator()(T*) const { }

};

struct DDeleter : Deleter { };

// libstdc++/48635

void test01()

{

  Deleter d;

  std::unique_ptr<int, Deleter&> p1(nullptr, d), p2(nullptr, d);

  p2 = std::move(p1);

  DDeleter dd;

  std::unique_ptr<int, DDeleter&> p1t(nullptr, dd);

  std::unique_ptr<int, Deleter&> p2t(nullptr, d);

  p2t = std::move(p1t);

  std::unique_ptr<int[], Deleter&> p1a(nullptr, d), p2a(nullptr, d);

  p2a = std::move(p1a);

  std::unique_ptr<int[], DDeleter&> p1at(nullptr, dd);

  std::unique_ptr<int[], Deleter&> p2at(nullptr, d);

  p2at = std::move(p1at);

}

int main()

{

  test01();

  return 0;

}