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// { dg-do compile { target c++11 } }
// Copyright (C) 2012-2018 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
void
test01()
{
std::unique_ptr<const A> cA(new A);
std::unique_ptr<volatile A> vA(new A);
std::unique_ptr<const volatile A> cvA(new A);
}
void
test02()
{
std::unique_ptr<const A> cB(new B);
std::unique_ptr<volatile A> vB(new B);
std::unique_ptr<const volatile A> cvB(new B);
}
void
test03()
{
std::unique_ptr<A> upA;
std::unique_ptr<const A> cA(std::move(upA));
std::unique_ptr<volatile A> vA(std::move(upA));
std::unique_ptr<const volatile A> cvA(std::move(upA));
}
void
test04()
{
std::unique_ptr<B> upB;
std::unique_ptr<const A> cA(std::move(upB));
std::unique_ptr<volatile A> vA(std::move(upB));
std::unique_ptr<const volatile A> cvA(std::move(upB));
}
void
test05()
{
std::unique_ptr<const A[]> cA(new A[1]);
std::unique_ptr<volatile A[]> vA(new A[1]);
std::unique_ptr<const volatile A[]> cvA(new A[1]);
}
void
test06()
{
std::unique_ptr<A[]> upA;
std::unique_ptr<const A[]> cA(std::move(upA));
std::unique_ptr<volatile A[]> vA(std::move(upA));
std::unique_ptr<const volatile A[]> cvA(std::move(upA));
}
struct A_pointer { operator A*() const { return nullptr; } };
void
test07()
{
// Allow conversions from user-defined pointer-like types
// for the single-object version
A_pointer p;
std::unique_ptr<A> upA(p);
std::unique_ptr<const A> cA(p);
std::unique_ptr<volatile A> vA(p);
std::unique_ptr<const volatile A> cvA(p);
// Allow conversions from user-defined pointer-like types
// for the array version when the type is converted explicitly
std::unique_ptr<A[]> upA2((A*)p);
std::unique_ptr<const A[]> cA2((A*)p);
std::unique_ptr<volatile A[]> vA2((A*)p);
std::unique_ptr<const volatile A[]> cvA2((A*)p);
}
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