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
9int 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

source code of boost/libs/smart_ptr/test/sp_owner_hash_value_test.cpp