1 // { dg-do run { target c++11 } }
2
3 // Copyright (C) 2007-2019 Free Software Foundation, Inc.
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 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
21
22 #include <memory>
23 #include <testsuite_hooks.h>
24
25 struct A
26 {
AA27 A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }
AA28 explicit A(int i) : i(i), d(), c() { ++ctor_count; }
AA29 A() : i(), d(), c() { ++ctor_count; }
~AA30 ~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 {
~reset_count_structreset_count_struct42 ~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
51 void
test01()52 test01()
53 {
54 reset_count_struct __attribute__((unused)) reset;
55
56 {
57 std::shared_ptr<A> p1 = std::make_shared<A>();
58 VERIFY( p1.get() != 0 );
59 VERIFY( p1.use_count() == 1 );
60 VERIFY( A::ctor_count == 1 );
61 }
62 VERIFY( A::ctor_count == A::dtor_count );
63 }
64
65 void
test02()66 test02()
67 {
68 reset_count_struct __attribute__((unused)) reset;
69
70 std::shared_ptr<A> p1;
71
72 p1 = std::make_shared<A>(1);
73 VERIFY( A::ctor_count == 1 );
74
75 p1 = std::make_shared<A>(1, 2.0);
76 VERIFY( A::ctor_count == 2 );
77 VERIFY( A::dtor_count == 1 );
78
79 p1 = std::make_shared<A>(1, 2.0, '3');
80 VERIFY( A::ctor_count == 3 );
81 VERIFY( A::dtor_count == 2 );
82 VERIFY( p1->i == 1 );
83 VERIFY( p1->d == 2.0 );
84 VERIFY( p1->c == '3' );
85
86 p1 = std::shared_ptr<A>();
87 VERIFY( A::ctor_count == A::dtor_count );
88 }
89
90 int
main()91 main()
92 {
93 test01();
94 test02();
95 }
96