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1 | // { dg-options "-std=gnu++0x" } |
2 | ||
748086b7 | 3 | // Copyright (C) 2007, 2008, 2009 Free Software Foundation |
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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) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] | |
21 | ||
22 | #include <memory> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct A | |
26 | { | |
27 | A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; } | |
28 | explicit A(int i) : i(i), d(), c() { ++ctor_count; } | |
29 | A() : i(), d(), c() { ++ctor_count; } | |
30 | ~A() { ++dtor_count; } | |
31 | int i; | |
32 | double d; | |
33 | char c; | |
34 | static int ctor_count; | |
35 | static int dtor_count; | |
36 | }; | |
37 | int A::ctor_count = 0; | |
38 | int A::dtor_count = 0; | |
39 | ||
40 | struct reset_count_struct | |
41 | { | |
42 | ~reset_count_struct() | |
43 | { | |
44 | A::ctor_count = 0; | |
45 | A::dtor_count = 0; | |
46 | } | |
47 | }; | |
48 | ||
49 | // 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create] | |
50 | ||
395c9e79 | 51 | void |
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52 | test01() |
53 | { | |
54 | bool test __attribute__((unused)) = true; | |
55 | reset_count_struct __attribute__((unused)) reset; | |
56 | ||
57 | { | |
58 | std::shared_ptr<A> p1 = std::make_shared<A>(); | |
59 | VERIFY( p1.get() != 0 ); | |
60 | VERIFY( p1.use_count() == 1 ); | |
61 | VERIFY( A::ctor_count == 1 ); | |
62 | } | |
63 | VERIFY( A::ctor_count == A::dtor_count ); | |
64 | } | |
65 | ||
395c9e79 | 66 | void |
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67 | test02() |
68 | { | |
69 | bool test __attribute__((unused)) = true; | |
70 | reset_count_struct __attribute__((unused)) reset; | |
71 | ||
72 | std::shared_ptr<A> p1; | |
73 | ||
74 | p1 = std::make_shared<A>(1); | |
75 | VERIFY( A::ctor_count == 1 ); | |
76 | ||
77 | p1 = std::make_shared<A>(1, 2.0); | |
78 | VERIFY( A::ctor_count == 2 ); | |
79 | VERIFY( A::dtor_count == 1 ); | |
80 | ||
81 | p1 = std::make_shared<A>(1, 2.0, '3'); | |
82 | VERIFY( A::ctor_count == 3 ); | |
83 | VERIFY( A::dtor_count == 2 ); | |
84 | VERIFY( p1->i == 1 ); | |
85 | VERIFY( p1->d == 2.0 ); | |
86 | VERIFY( p1->c == '3' ); | |
87 | ||
88 | p1 = std::shared_ptr<A>(); | |
89 | VERIFY( A::ctor_count == A::dtor_count ); | |
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90 | } |
91 | ||
92 | int | |
93 | main() | |
94 | { | |
95 | test01(); | |
96 | test02(); | |
97 | } |