| // make_shared_test.cpp |
| // |
| // Copyright 2007-2009 Peter Dimov |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt |
| |
| #include <boost/detail/lightweight_test.hpp> |
| #include <boost/make_shared.hpp> |
| #include <boost/shared_ptr.hpp> |
| #include <boost/weak_ptr.hpp> |
| #include <cstddef> |
| |
| class X |
| { |
| private: |
| |
| X( X const & ); |
| X & operator=( X const & ); |
| |
| void * operator new( std::size_t n ) |
| { |
| // lack of this definition causes link errors on Comeau C++ |
| BOOST_ERROR( "private X::new called" ); |
| return ::operator new( n ); |
| } |
| |
| void operator delete( void * p ) |
| { |
| // lack of this definition causes link errors on MSVC |
| BOOST_ERROR( "private X::delete called" ); |
| ::operator delete( p ); |
| } |
| |
| public: |
| |
| static int instances; |
| |
| int v; |
| |
| explicit X( int a1 = 0, int a2 = 0, int a3 = 0, int a4 = 0, int a5 = 0, int a6 = 0, int a7 = 0, int a8 = 0, int a9 = 0 ): v( a1+a2+a3+a4+a5+a6+a7+a8+a9 ) |
| { |
| ++instances; |
| } |
| |
| ~X() |
| { |
| --instances; |
| } |
| }; |
| |
| int X::instances = 0; |
| |
| int main() |
| { |
| { |
| boost::shared_ptr< int > pi = boost::make_shared< int >(); |
| |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( *pi == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< int > pi = boost::make_shared< int >( 5 ); |
| |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( *pi == 5 ); |
| } |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >(); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 0 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4, 5 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4+5 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4, 5, 6 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4+5+6 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4+5+6+7 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| { |
| boost::shared_ptr< X > pi = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8, 9 ); |
| boost::weak_ptr<X> wp( pi ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| BOOST_TEST( pi.get() != 0 ); |
| BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8+9 ); |
| |
| pi.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| } |
| |
| return boost::report_errors(); |
| } |