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52066eae | 1 | // { dg-do run { target c++11 } } |
b3754f1b | 2 | |
99dee823 | 3 | // Copyright (C) 2008-2021 Free Software Foundation, Inc. |
b3754f1b CF |
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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
b3754f1b CF |
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 | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
b3754f1b CF |
19 | |
20 | // 20.6.11 Template class unique_ptr [unique.ptr] | |
21 | ||
22 | #include <memory> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct A | |
26 | { | |
27 | A() { ++ctor_count; } | |
28 | virtual ~A() { ++dtor_count; } | |
29 | static long ctor_count; | |
30 | static long dtor_count; | |
31 | }; | |
32 | long A::ctor_count = 0; | |
33 | long A::dtor_count = 0; | |
34 | ||
35 | struct B : A | |
36 | { | |
37 | B() { ++ctor_count; } | |
38 | virtual ~B() { ++dtor_count; } | |
39 | static long ctor_count; | |
40 | static long dtor_count; | |
41 | }; | |
42 | long B::ctor_count = 0; | |
43 | long B::dtor_count = 0; | |
44 | ||
45 | ||
46 | struct reset_count_struct | |
47 | { | |
48 | ~reset_count_struct() | |
49 | { | |
50 | A::ctor_count = 0; | |
51 | A::dtor_count = 0; | |
52 | B::ctor_count = 0; | |
53 | B::dtor_count = 0; | |
54 | } | |
55 | }; | |
56 | ||
57 | // 20.6.11.2.1 unique_ptr constructors [unique.ptr.single.ctor] | |
58 | ||
59 | // Construction from pointer | |
60 | void | |
61 | test01() | |
62 | { | |
63 | reset_count_struct __attribute__((unused)) reset; | |
b3754f1b CF |
64 | |
65 | std::unique_ptr<A> A_default; | |
66 | VERIFY( A_default.get() == 0 ); | |
67 | VERIFY( A::ctor_count == 0 ); | |
68 | VERIFY( A::dtor_count == 0 ); | |
69 | VERIFY( B::ctor_count == 0 ); | |
70 | VERIFY( B::dtor_count == 0 ); | |
71 | ||
72 | std::unique_ptr<A> A_from_A(new A); | |
73 | VERIFY( A_from_A.get() != 0 ); | |
74 | VERIFY( A::ctor_count == 1 ); | |
75 | VERIFY( A::dtor_count == 0 ); | |
76 | VERIFY( B::ctor_count == 0 ); | |
77 | VERIFY( B::dtor_count == 0 ); | |
78 | ||
79 | std::unique_ptr<A> A_from_B(new B); | |
80 | VERIFY( A_from_B.get() != 0 ); | |
81 | VERIFY( A::ctor_count == 2 ); | |
82 | VERIFY( A::dtor_count == 0 ); | |
83 | VERIFY( B::ctor_count == 1 ); | |
84 | VERIFY( B::dtor_count == 0 ); | |
85 | } | |
86 | ||
87 | void | |
88 | test02() | |
89 | { | |
90 | reset_count_struct __attribute__((unused)) reset; | |
b3754f1b CF |
91 | |
92 | A * const A_default = 0; | |
93 | std::unique_ptr<A> p1(A_default); | |
94 | VERIFY( p1.get() == 0 ); | |
95 | VERIFY( A::ctor_count == 0 ); | |
96 | VERIFY( A::dtor_count == 0 ); | |
97 | VERIFY( B::ctor_count == 0 ); | |
98 | VERIFY( B::dtor_count == 0 ); | |
99 | ||
100 | A * const A_from_A = new A; | |
101 | std::unique_ptr<A> p2(A_from_A); | |
102 | VERIFY( p2.get() == A_from_A ); | |
103 | VERIFY( A::ctor_count == 1 ); | |
104 | VERIFY( A::dtor_count == 0 ); | |
105 | VERIFY( B::ctor_count == 0 ); | |
106 | VERIFY( B::dtor_count == 0 ); | |
107 | } | |
108 | ||
109 | int | |
110 | main() | |
111 | { | |
112 | test01(); | |
113 | test02(); | |
114 | return 0; | |
115 | } |