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/smart_ptr/owner_equal_to.hpp> |
6 | #include <boost/shared_ptr.hpp> |
7 | #include <boost/weak_ptr.hpp> |
8 | #include <boost/core/lightweight_test.hpp> |
9 | |
10 | int main() |
11 | { |
12 | boost::owner_equal_to<> const eq = {}; |
13 | |
14 | { |
15 | boost::shared_ptr<int> p1( new int ); |
16 | boost::shared_ptr<int> p2( p1 ); |
17 | |
18 | BOOST_TEST( eq( p1, p2 ) ); |
19 | BOOST_TEST( eq( p2, p1 ) ); |
20 | |
21 | boost::shared_ptr<int> p3( new int ); |
22 | |
23 | BOOST_TEST( !eq( p1, p3 ) ); |
24 | BOOST_TEST( !eq( p3, p1 ) ); |
25 | |
26 | boost::shared_ptr<int> p4; |
27 | boost::shared_ptr<int> p5; |
28 | |
29 | BOOST_TEST( eq( p4, p5 ) ); |
30 | BOOST_TEST( eq( p5, p4 ) ); |
31 | |
32 | BOOST_TEST( !eq( p4, p3 ) ); |
33 | BOOST_TEST( !eq( p3, p4 ) ); |
34 | |
35 | boost::shared_ptr<int> p6( static_cast<int*>(0) ); |
36 | |
37 | BOOST_TEST( !eq( p4, p6 ) ); |
38 | BOOST_TEST( !eq( p6, p4 ) ); |
39 | |
40 | boost::shared_ptr<void> p7( p1 ); |
41 | |
42 | BOOST_TEST( eq( p1, p7 ) ); |
43 | BOOST_TEST( eq( p7, p1 ) ); |
44 | |
45 | boost::shared_ptr<void> p8; |
46 | |
47 | BOOST_TEST( !eq( p1, p8 ) ); |
48 | BOOST_TEST( !eq( p8, p1 ) ); |
49 | |
50 | BOOST_TEST( eq( p4, p8 ) ); |
51 | BOOST_TEST( eq( p8, p4 ) ); |
52 | |
53 | boost::weak_ptr<int> q1( p1 ); |
54 | |
55 | BOOST_TEST( eq( p1, q1 ) ); |
56 | BOOST_TEST( eq( q1, p1 ) ); |
57 | |
58 | boost::weak_ptr<int> q2( p1 ); |
59 | |
60 | BOOST_TEST( eq( q1, q2 ) ); |
61 | BOOST_TEST( eq( q2, q1 ) ); |
62 | |
63 | boost::weak_ptr<int> q3( p3 ); |
64 | |
65 | BOOST_TEST( !eq( p1, q3 ) ); |
66 | BOOST_TEST( !eq( q3, p1 ) ); |
67 | |
68 | BOOST_TEST( !eq( q1, q3 ) ); |
69 | BOOST_TEST( !eq( q3, q1 ) ); |
70 | |
71 | boost::weak_ptr<int> q4; |
72 | |
73 | BOOST_TEST( eq( p4, q4 ) ); |
74 | BOOST_TEST( eq( q4, p4 ) ); |
75 | |
76 | BOOST_TEST( !eq( q1, q4 ) ); |
77 | BOOST_TEST( !eq( q4, q1 ) ); |
78 | |
79 | boost::weak_ptr<void> q5; |
80 | |
81 | BOOST_TEST( eq( q4, q5 ) ); |
82 | BOOST_TEST( eq( q5, q4 ) ); |
83 | |
84 | boost::weak_ptr<void> q7( p7 ); |
85 | |
86 | BOOST_TEST( eq( p1, q7 ) ); |
87 | BOOST_TEST( eq( q7, p1 ) ); |
88 | |
89 | BOOST_TEST( eq( q1, q7 ) ); |
90 | BOOST_TEST( eq( q7, q1 ) ); |
91 | |
92 | p1.reset(); |
93 | p2.reset(); |
94 | p3.reset(); |
95 | p7.reset(); |
96 | |
97 | BOOST_TEST( q1.expired() ); |
98 | BOOST_TEST( q2.expired() ); |
99 | BOOST_TEST( q3.expired() ); |
100 | BOOST_TEST( q7.expired() ); |
101 | |
102 | BOOST_TEST( eq( q1, q2 ) ); |
103 | BOOST_TEST( eq( q2, q1 ) ); |
104 | |
105 | BOOST_TEST( eq( q1, q7 ) ); |
106 | BOOST_TEST( eq( q7, q1 ) ); |
107 | |
108 | BOOST_TEST( !eq( q1, q3 ) ); |
109 | BOOST_TEST( !eq( q3, q1 ) ); |
110 | |
111 | BOOST_TEST( !eq( q1, q4 ) ); |
112 | BOOST_TEST( !eq( q4, q1 ) ); |
113 | } |
114 | |
115 | return boost::report_errors(); |
116 | } |
117 | |