| 1 | /* |
|---|---|
| 2 | Copyright 2012-2015 Glen Joseph Fernandes |
| 3 | (glenjofe@gmail.com) |
| 4 | |
| 5 | Distributed under the Boost Software License, Version 1.0. |
| 6 | (http://www.boost.org/LICENSE_1_0.txt) |
| 7 | */ |
| 8 | #include <boost/core/lightweight_test.hpp> |
| 9 | #include <boost/smart_ptr/enable_shared_from_this.hpp> |
| 10 | #include <boost/smart_ptr/make_shared.hpp> |
| 11 | |
| 12 | class type |
| 13 | : public boost::enable_shared_from_this<type> { |
| 14 | public: |
| 15 | static unsigned instances; |
| 16 | |
| 17 | type() { |
| 18 | ++instances; |
| 19 | } |
| 20 | |
| 21 | ~type() { |
| 22 | --instances; |
| 23 | } |
| 24 | |
| 25 | private: |
| 26 | type(const type&); |
| 27 | type& operator=(const type&); |
| 28 | }; |
| 29 | |
| 30 | unsigned type::instances = 0; |
| 31 | |
| 32 | int main() |
| 33 | { |
| 34 | BOOST_TEST(type::instances == 0); |
| 35 | { |
| 36 | boost::shared_ptr<type[]> result = |
| 37 | boost::make_shared<type[]>(size: 3); |
| 38 | try { |
| 39 | result[0].shared_from_this(); |
| 40 | BOOST_ERROR("shared_from_this did not throw"); |
| 41 | } catch (...) { |
| 42 | BOOST_TEST(type::instances == 3); |
| 43 | } |
| 44 | } |
| 45 | BOOST_TEST(type::instances == 0); |
| 46 | { |
| 47 | boost::shared_ptr<type[3]> result = |
| 48 | boost::make_shared_noinit<type[3]>(); |
| 49 | try { |
| 50 | result[0].shared_from_this(); |
| 51 | BOOST_ERROR("shared_from_this did not throw"); |
| 52 | } catch (...) { |
| 53 | BOOST_TEST(type::instances == 3); |
| 54 | } |
| 55 | } |
| 56 | return boost::report_errors(); |
| 57 | } |
| 58 |