1 | // Copyright 2020 Peter Dimov |
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // https://www.boost.org/LICENSE_1_0.txt |
4 | |
5 | #include <boost/shared_ptr.hpp> |
6 | #include <boost/weak_ptr.hpp> |
7 | #include <boost/core/lightweight_test.hpp> |
8 | |
9 | int main() |
10 | { |
11 | { |
12 | boost::shared_ptr<int> p1( new int ); |
13 | boost::shared_ptr<int> p2( p1 ); |
14 | |
15 | BOOST_TEST_EQ( p1.owner_hash_value(), p2.owner_hash_value() ); |
16 | |
17 | boost::shared_ptr<int> p3( new int ); |
18 | |
19 | BOOST_TEST_NE( p1.owner_hash_value(), p3.owner_hash_value() ); |
20 | |
21 | boost::shared_ptr<int> p4; |
22 | boost::shared_ptr<int> p5; |
23 | |
24 | BOOST_TEST_EQ( p4.owner_hash_value(), p5.owner_hash_value() ); |
25 | BOOST_TEST_NE( p4.owner_hash_value(), p3.owner_hash_value() ); |
26 | |
27 | boost::shared_ptr<int> p6( static_cast<int*>(0) ); |
28 | |
29 | BOOST_TEST_NE( p4.owner_hash_value(), p6.owner_hash_value() ); |
30 | |
31 | boost::shared_ptr<void> p7( p1 ); |
32 | |
33 | BOOST_TEST_EQ( p1.owner_hash_value(), p7.owner_hash_value() ); |
34 | |
35 | boost::shared_ptr<void> p8; |
36 | |
37 | BOOST_TEST_NE( p1.owner_hash_value(), p8.owner_hash_value() ); |
38 | BOOST_TEST_EQ( p4.owner_hash_value(), p8.owner_hash_value() ); |
39 | |
40 | boost::weak_ptr<int> q1( p1 ); |
41 | |
42 | BOOST_TEST_EQ( p1.owner_hash_value(), q1.owner_hash_value() ); |
43 | |
44 | boost::weak_ptr<int> q2( p1 ); |
45 | |
46 | BOOST_TEST_EQ( q1.owner_hash_value(), q2.owner_hash_value() ); |
47 | |
48 | boost::weak_ptr<int> q3( p3 ); |
49 | |
50 | BOOST_TEST_NE( p1.owner_hash_value(), q3.owner_hash_value() ); |
51 | BOOST_TEST_NE( q1.owner_hash_value(), q3.owner_hash_value() ); |
52 | |
53 | boost::weak_ptr<int> q4; |
54 | |
55 | BOOST_TEST_EQ( p4.owner_hash_value(), q4.owner_hash_value() ); |
56 | BOOST_TEST_NE( q1.owner_hash_value(), q4.owner_hash_value() ); |
57 | |
58 | boost::weak_ptr<void> q5; |
59 | |
60 | BOOST_TEST_EQ( q4.owner_hash_value(), q5.owner_hash_value() ); |
61 | |
62 | boost::weak_ptr<void> q7( p7 ); |
63 | |
64 | BOOST_TEST_EQ( p1.owner_hash_value(), q7.owner_hash_value() ); |
65 | BOOST_TEST_EQ( q1.owner_hash_value(), q7.owner_hash_value() ); |
66 | |
67 | p1.reset(); |
68 | p2.reset(); |
69 | p3.reset(); |
70 | p7.reset(); |
71 | |
72 | BOOST_TEST( q1.expired() ); |
73 | BOOST_TEST( q2.expired() ); |
74 | BOOST_TEST( q3.expired() ); |
75 | BOOST_TEST( q7.expired() ); |
76 | |
77 | BOOST_TEST_EQ( q1.owner_hash_value(), q2.owner_hash_value() ); |
78 | BOOST_TEST_EQ( q1.owner_hash_value(), q7.owner_hash_value() ); |
79 | |
80 | BOOST_TEST_NE( q1.owner_hash_value(), q3.owner_hash_value() ); |
81 | BOOST_TEST_NE( q1.owner_hash_value(), q4.owner_hash_value() ); |
82 | } |
83 | |
84 | return boost::report_errors(); |
85 | } |
86 | |