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// { dg-do compile { target c++11 } }
// Copyright (C) 2016-2018 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/>.
// 20.7.1 Class template unique_ptr [unique.ptr]
#include <memory>
struct A { virtual ~A() = default; };
struct B : A { };
// Construction from objects with different cv-qualification
struct A_pointer { operator A*() const { return nullptr; } };
void
test07()
{
A_pointer p;
// Disallow conversions from user-defined pointer-like types
// for the array version
std::unique_ptr<A[]> upA3(p); // { dg-error "no matching function" }
std::unique_ptr<const A[]> cA3(p); // { dg-error "no matching function" }
std::unique_ptr<volatile A[]> vA3(p); // { dg-error "no matching function" }
std::unique_ptr<const volatile A[]> cvA3(p); // { dg-error "no matching function" }
// { dg-prune-output "no type" }
}
template<typename T>
struct deleter
{
deleter() = default;
template<typename U>
deleter(const deleter<U>) { }
typedef T pointer;
void operator()(T) const { }
};
void
test08()
{
// Disallow conversions from non-assignable deleter
std::unique_ptr<A[], deleter<A_pointer>> p;
std::unique_ptr<A[], deleter<A*>> upA(std::move(p)); // { dg-error "no matching function" }
}
void
test011()
{
// Disallow conversions between different array types.
std::unique_ptr<B[]> upB;
std::unique_ptr<const A[]> cA(std::move(upB)); // { dg-error "no matching function" }
std::unique_ptr<volatile A[]> vA(std::move(upB)); // { dg-error "no matching function" }
std::unique_ptr<const volatile A[]> cvA(std::move(upB)); // { dg-error "no matching function" }
}
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