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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/cv_qual.cc
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1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2012-2024 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 20.7.1 Class template unique_ptr [unique.ptr]
24 struct A
{ virtual ~A() = default; };
28 // Construction from objects with different cv-qualification
33 std::unique_ptr
<const A
> cA
;
35 std::unique_ptr
<volatile A
> vA
;
37 std::unique_ptr
<const volatile A
> cvA
;
44 std::unique_ptr
<const A
> cB
;
46 std::unique_ptr
<volatile A
> vB
;
48 std::unique_ptr
<const volatile A
> cvB
;
55 std::unique_ptr
<const A
[]> cA
;
57 std::unique_ptr
<volatile A
[]> vA
;
59 std::unique_ptr
<const volatile A
[]> cvA
;
63 struct A_pointer
{ operator A
*() const { return nullptr; } };
69 // Allow conversions from user-defined pointer-like types
70 // for the single-object version
71 std::unique_ptr
<A
> upA
;
73 std::unique_ptr
<const A
> cA
;
75 std::unique_ptr
<volatile A
> vA
;
77 std::unique_ptr
<const volatile A
> cvA
;
79 // Allow conversions from user-defined pointer-like types
80 // for the array version when the type is converted explicitly
81 std::unique_ptr
<A
[]> upA2
;
83 std::unique_ptr
<const A
[]> cA2
;
85 std::unique_ptr
<volatile A
[]> vA2
;
87 std::unique_ptr
<const volatile A
[]> cvA2
;