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// { dg-do compile { target c++11 } }
// Copyright (C) 2008-2024 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 <memory>
struct base { virtual ~base() {} };
struct derived : base {};
void
test01()
{
std::unique_ptr<derived> p1(new derived);
std::unique_ptr<derived> p2(new derived);
// p2 = p1; // should not compile
p2 = std::move(p1);
std::unique_ptr<base> p3(new base);
// p3 = p2; // should not compile
p3 = std::move(p2);
}
void
test02()
{
std::unique_ptr<int[]> p1(new int(420));
std::unique_ptr<int[]> p2 = p1; // { dg-error "deleted" }
}
void
test03()
{
std::unique_ptr<int[2]> p1(new int[3]); // { dg-error "no match" }
std::unique_ptr<int[2]> p2 = p1; // { dg-error "deleted" }
}
struct base_pointer { operator base*() const { return nullptr; } };
template<typename T>
struct deleter
{
deleter() = default;
template<typename U>
deleter(const deleter<U>) { }
typedef T pointer;
void operator()(T) const { }
};
void
test04()
{
// Disallow conversions from incompatible deleter
std::unique_ptr<derived[], deleter<base_pointer>> p;
std::unique_ptr<base[], deleter<base*>> upA;
upA = std::move(p); // { dg-error "no match" }
}
// { dg-prune-output "include" }
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