/* * Copyright (c) 2012-2014 Glen Joseph Fernandes * glenfe at live dot com * * Distributed under the Boost Software License, * Version 1.0. (See accompanying file LICENSE_1_0.txt * or copy at http://boost.org/LICENSE_1_0.txt) */ #include #include #include class type : public boost::enable_shared_from_this { public: static unsigned int instances; explicit type() { instances++; } ~type() { instances--; } private: type(const type&); type& operator=(const type&); }; unsigned int type::instances = 0; int main() { BOOST_TEST(type::instances == 0); { boost::shared_ptr a1 = boost::make_shared(3); try { a1[0].shared_from_this(); BOOST_ERROR("shared_from_this did not throw"); } catch (...) { BOOST_TEST(type::instances == 3); } } BOOST_TEST(type::instances == 0); { boost::shared_ptr a1 = boost::make_shared_noinit(3); try { a1[0].shared_from_this(); BOOST_ERROR("shared_from_this did not throw"); } catch (...) { BOOST_TEST(type::instances == 3); } } return boost::report_errors(); }