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52066eae | 1 | // { dg-do compile { target c++11 } } |
23df8534 | 2 | |
a945c346 | 3 | // Copyright (C) 2012-2024 Free Software Foundation, Inc. |
23df8534 JW |
4 | // |
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) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
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/>. | |
19 | ||
20 | // 20.7.1 Class template unique_ptr [unique.ptr] | |
21 | ||
22 | #include <memory> | |
23 | ||
24 | struct A { virtual ~A() = default; }; | |
25 | ||
26 | struct B : A { }; | |
27 | ||
28 | // Construction from objects with different cv-qualification | |
29 | ||
30 | void | |
31 | test01() | |
32 | { | |
33 | std::unique_ptr<const A> cA; | |
34 | cA.reset(new A); | |
35 | std::unique_ptr<volatile A> vA; | |
36 | vA.reset(new A); | |
37 | std::unique_ptr<const volatile A> cvA; | |
38 | cvA.reset(new A); | |
39 | } | |
40 | ||
41 | void | |
42 | test02() | |
43 | { | |
44 | std::unique_ptr<const A> cB; | |
45 | cB.reset(new B); | |
46 | std::unique_ptr<volatile A> vB; | |
47 | vB.reset(new B); | |
48 | std::unique_ptr<const volatile A> cvB; | |
49 | cvB.reset(new B); | |
50 | } | |
51 | ||
52 | void | |
53 | test03() | |
54 | { | |
55 | std::unique_ptr<const A[]> cA; | |
56 | cA.reset(new A[1]); | |
57 | std::unique_ptr<volatile A[]> vA; | |
58 | vA.reset(new A[1]); | |
59 | std::unique_ptr<const volatile A[]> cvA; | |
60 | cvA.reset(new A[1]); | |
61 | } | |
62 | ||
63 | struct A_pointer { operator A*() const { return nullptr; } }; | |
64 | ||
65 | void | |
66 | test07() | |
67 | { | |
23df8534 | 68 | A_pointer p; |
f3344569 VV |
69 | // Allow conversions from user-defined pointer-like types |
70 | // for the single-object version | |
71 | std::unique_ptr<A> upA; | |
23df8534 | 72 | upA.reset(p); |
f3344569 | 73 | std::unique_ptr<const A> cA; |
23df8534 | 74 | cA.reset(p); |
f3344569 | 75 | std::unique_ptr<volatile A> vA; |
23df8534 | 76 | vA.reset(p); |
f3344569 | 77 | std::unique_ptr<const volatile A> cvA; |
23df8534 | 78 | cvA.reset(p); |
f3344569 VV |
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; | |
82 | upA2.reset((A*)p); | |
83 | std::unique_ptr<const A[]> cA2; | |
84 | cA2.reset((A*)p); | |
85 | std::unique_ptr<volatile A[]> vA2; | |
86 | vA2.reset((A*)p); | |
87 | std::unique_ptr<const volatile A[]> cvA2; | |
88 | cvA2.reset((A*)p); | |
23df8534 | 89 | } |