| // Copyright 2020 Peter Dimov |
| // Distributed under the Boost Software License, Version 1.0. |
| // https://www.boost.org/LICENSE_1_0.txt |
| |
| #include <boost/shared_ptr.hpp> |
| #include <boost/weak_ptr.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| |
| int main() |
| { |
| { |
| boost::shared_ptr<int> p1( new int ); |
| boost::shared_ptr<int> p2( p1 ); |
| |
| BOOST_TEST( !p1.owner_before( p2 ) ); |
| BOOST_TEST( !p2.owner_before( p1 ) ); |
| |
| boost::shared_ptr<int> p3( new int ); |
| |
| BOOST_TEST( p1.owner_before( p3 ) || p3.owner_before( p1 ) ); |
| |
| boost::shared_ptr<int> p4; |
| boost::shared_ptr<int> p5; |
| |
| BOOST_TEST( !p4.owner_before( p5 ) ); |
| BOOST_TEST( !p5.owner_before( p4 ) ); |
| |
| BOOST_TEST( p4.owner_before( p3 ) || p3.owner_before( p4 ) ); |
| |
| boost::shared_ptr<int> p6( static_cast<int*>(0) ); |
| |
| BOOST_TEST( p4.owner_before( p6 ) || p6.owner_before( p4 ) ); |
| |
| boost::shared_ptr<void> p7( p1 ); |
| |
| BOOST_TEST( !p1.owner_before( p7 ) ); |
| BOOST_TEST( !p7.owner_before( p1 ) ); |
| |
| boost::shared_ptr<void> p8; |
| |
| BOOST_TEST( p1.owner_before( p8 ) || p8.owner_before( p1 ) ); |
| |
| BOOST_TEST( !p4.owner_before( p8 ) ); |
| BOOST_TEST( !p8.owner_before( p4 ) ); |
| |
| boost::weak_ptr<int> q1( p1 ); |
| |
| BOOST_TEST( !p1.owner_before( q1 ) ); |
| BOOST_TEST( !q1.owner_before( p1 ) ); |
| |
| boost::weak_ptr<int> q2( p1 ); |
| |
| BOOST_TEST( !q1.owner_before( q2 ) ); |
| BOOST_TEST( !q2.owner_before( q1 ) ); |
| |
| boost::weak_ptr<int> q3( p3 ); |
| |
| BOOST_TEST( p1.owner_before( q3 ) || q3.owner_before( p1 ) ); |
| BOOST_TEST( q1.owner_before( q3 ) || q3.owner_before( q1 ) ); |
| |
| boost::weak_ptr<int> q4; |
| |
| BOOST_TEST( !p4.owner_before( q4 ) ); |
| BOOST_TEST( !q4.owner_before( p4 ) ); |
| |
| BOOST_TEST( q1.owner_before( q4 ) || q4.owner_before( q1 ) ); |
| |
| boost::weak_ptr<void> q5; |
| |
| BOOST_TEST( !q4.owner_before( q5 ) ); |
| BOOST_TEST( !q5.owner_before( q4 ) ); |
| |
| boost::weak_ptr<void> q7( p7 ); |
| |
| BOOST_TEST( !p1.owner_before( q7 ) ); |
| BOOST_TEST( !q7.owner_before( p1 ) ); |
| |
| BOOST_TEST( !q1.owner_before( q7 ) ); |
| BOOST_TEST( !q7.owner_before( q1 ) ); |
| |
| p1.reset(); |
| p2.reset(); |
| p3.reset(); |
| p7.reset(); |
| |
| BOOST_TEST( q1.expired() ); |
| BOOST_TEST( q2.expired() ); |
| BOOST_TEST( q3.expired() ); |
| BOOST_TEST( q7.expired() ); |
| |
| BOOST_TEST( !q1.owner_before( q2 ) ); |
| BOOST_TEST( !q2.owner_before( q1 ) ); |
| |
| BOOST_TEST( !q1.owner_before( q7 ) ); |
| BOOST_TEST( !q7.owner_before( q1 ) ); |
| |
| BOOST_TEST( q1.owner_before( q3 ) || q3.owner_before( q1 ) ); |
| |
| BOOST_TEST( q1.owner_before( q4 ) || q4.owner_before( q1 ) ); |
| } |
| |
| return boost::report_errors(); |
| } |