263 lines
6.7 KiB
C++
263 lines
6.7 KiB
C++
// make_local_shared_const_test.cpp
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//
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// Copyright 2007-2009, 2017, 2018 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/config.hpp>
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#if defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) || defined( BOOST_NO_CXX11_VARIADIC_TEMPLATES )
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int main()
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{
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}
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#else
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#include <boost/core/lightweight_test.hpp>
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#include <boost/smart_ptr/make_local_shared.hpp>
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#include <boost/smart_ptr/local_shared_ptr.hpp>
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#include <boost/weak_ptr.hpp>
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#include <cstddef>
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class X
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{
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private:
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X( X const & );
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X & operator=( X const & );
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void * operator new( std::size_t n )
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{
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// lack of this definition causes link errors on Comeau C++
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BOOST_ERROR( "private X::new called" );
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return ::operator new( n );
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}
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void operator delete( void * p )
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{
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// lack of this definition causes link errors on MSVC
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BOOST_ERROR( "private X::delete called" );
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::operator delete( p );
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}
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public:
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static int instances;
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int v;
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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 )
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{
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++instances;
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}
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~X()
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{
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--instances;
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}
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};
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int X::instances = 0;
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template<class T> static long use_count( boost::local_shared_ptr<T> const & p )
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{
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return boost::shared_ptr<T>( p ).use_count() - 1;
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}
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int main()
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{
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{
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boost::local_shared_ptr<int const> pi = boost::make_local_shared<int const>();
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( *pi == 0 );
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}
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{
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boost::local_shared_ptr<int const> pi = boost::make_local_shared<int const>( 5 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( *pi == 5 );
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}
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BOOST_TEST( X::instances == 0 );
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>();
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 0 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared_noinit<X const>();
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 0 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4, 5 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4+5 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4, 5, 6 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4+5+6 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4, 5, 6, 7 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4+5+6+7 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4, 5, 6, 7, 8 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::local_shared_ptr<X const> pi = boost::make_local_shared<X const>( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
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boost::weak_ptr<X const> wp( pi );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( pi.get() != 0 );
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BOOST_TEST( pi.local_use_count() == 1 );
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BOOST_TEST( use_count( pi ) == 1 );
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BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8+9 );
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pi.reset();
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BOOST_TEST( X::instances == 0 );
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}
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return boost::report_errors();
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}
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#endif
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