1 | // Copyright 2011, 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/smart_ptr/owner_hash.hpp> |
7 | #include <boost/smart_ptr/owner_equal_to.hpp> |
8 | #include <boost/core/lightweight_test.hpp> |
9 | #include <boost/config.hpp> |
10 | |
11 | #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) |
12 | |
13 | int main() {} |
14 | |
15 | #else |
16 | |
17 | #include <unordered_set> |
18 | |
19 | int main() |
20 | { |
21 | std::unordered_set< boost::shared_ptr<void>, boost::owner_hash< boost::shared_ptr<void> >, boost::owner_equal_to< boost::shared_ptr<void> > > set; |
22 | |
23 | boost::shared_ptr<int> p1( (int*)0 ); |
24 | boost::shared_ptr<int> p2( p1 ); |
25 | boost::shared_ptr<void> p3( p1 ); |
26 | |
27 | set.insert( x: p1 ); |
28 | set.insert( x: p2 ); |
29 | set.insert( x: p3 ); |
30 | |
31 | BOOST_TEST_EQ( set.size(), 1 ); |
32 | |
33 | boost::shared_ptr<int> p4( (int*)0 ); |
34 | |
35 | set.insert( x: p4 ); |
36 | |
37 | BOOST_TEST_EQ( set.size(), 2 ); |
38 | |
39 | BOOST_TEST_EQ( set.count( p1 ), 1 ); |
40 | BOOST_TEST_EQ( set.count( p2 ), 1 ); |
41 | BOOST_TEST_EQ( set.count( p3 ), 1 ); |
42 | BOOST_TEST_EQ( set.count( p4 ), 1 ); |
43 | |
44 | boost::shared_ptr<int> p5( (int*)0 ); |
45 | |
46 | BOOST_TEST_EQ( set.count( p5 ), 0 ); |
47 | |
48 | return boost::report_errors(); |
49 | } |
50 | |
51 | #endif // #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) |
52 | |