| 1 | // |
|---|---|
| 2 | // weak_from_raw_test2.cpp |
| 3 | // |
| 4 | // Test that weak_from_raw returns consistent values |
| 5 | // throughout the object lifetime |
| 6 | // |
| 7 | // Copyright (c) 2014 Peter Dimov |
| 8 | // |
| 9 | // Distributed under the Boost Software License, Version 1.0. |
| 10 | // |
| 11 | // See accompanying file LICENSE_1_0.txt or copy at |
| 12 | // http://www.boost.org/LICENSE_1_0.txt |
| 13 | // |
| 14 | |
| 15 | #include <boost/smart_ptr/enable_shared_from_raw.hpp> |
| 16 | #include <boost/weak_ptr.hpp> |
| 17 | #include <boost/core/lightweight_test.hpp> |
| 18 | |
| 19 | class X; |
| 20 | |
| 21 | static boost::weak_ptr< X > r_; |
| 22 | |
| 23 | void register_( boost::weak_ptr< X > const & r ) |
| 24 | { |
| 25 | r_ = r; |
| 26 | } |
| 27 | |
| 28 | void check_( boost::weak_ptr< X > const & r ) |
| 29 | { |
| 30 | BOOST_TEST( !( r < r_ ) && !( r_ < r ) ); |
| 31 | } |
| 32 | |
| 33 | void unregister_( boost::weak_ptr< X > const & r ) |
| 34 | { |
| 35 | BOOST_TEST( !( r < r_ ) && !( r_ < r ) ); |
| 36 | r_.reset(); |
| 37 | } |
| 38 | |
| 39 | class X: public boost::enable_shared_from_raw |
| 40 | { |
| 41 | public: |
| 42 | |
| 43 | X() |
| 44 | { |
| 45 | register_( r: boost::shared_from_raw( p: this ) ); |
| 46 | } |
| 47 | |
| 48 | ~X() |
| 49 | { |
| 50 | unregister_( r: boost::weak_from_raw( p: this ) ); |
| 51 | } |
| 52 | |
| 53 | void check() |
| 54 | { |
| 55 | check_( r: boost::weak_from_raw( p: this ) ); |
| 56 | } |
| 57 | }; |
| 58 | |
| 59 | int main() |
| 60 | { |
| 61 | { |
| 62 | boost::shared_ptr< X > px( new X ); |
| 63 | px->check(); |
| 64 | } |
| 65 | |
| 66 | return boost::report_errors(); |
| 67 | } |
| 68 |