mirror of
https://github.com/boostorg/smart_ptr.git
synced 2025-11-03 01:01:54 +01:00
295 lines
7.6 KiB
C++
295 lines
7.6 KiB
C++
//
|
|
// sp_bml_unique_ptr_test.cpp
|
|
//
|
|
// Copyright (c) 2012, 2015 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/shared_ptr.hpp>
|
|
#include <boost/enable_shared_from_this.hpp>
|
|
#include <boost/core/lightweight_test.hpp>
|
|
#include <boost/move/unique_ptr.hpp>
|
|
#include <boost/type_traits/remove_reference.hpp>
|
|
#include <memory>
|
|
#include <utility>
|
|
|
|
struct X: public boost::enable_shared_from_this< X >
|
|
{
|
|
static int instances;
|
|
|
|
X()
|
|
{
|
|
++instances;
|
|
}
|
|
|
|
~X()
|
|
{
|
|
--instances;
|
|
}
|
|
|
|
private:
|
|
|
|
X( X const & );
|
|
X & operator=( X const & );
|
|
};
|
|
|
|
int X::instances = 0;
|
|
|
|
struct Y
|
|
{
|
|
static int instances;
|
|
|
|
bool deleted_;
|
|
|
|
Y(): deleted_( false )
|
|
{
|
|
++instances;
|
|
}
|
|
|
|
~Y()
|
|
{
|
|
BOOST_TEST( deleted_ );
|
|
--instances;
|
|
}
|
|
|
|
private:
|
|
|
|
Y( Y const & );
|
|
Y & operator=( Y const & );
|
|
};
|
|
|
|
int Y::instances = 0;
|
|
|
|
struct YD
|
|
{
|
|
void operator()( Y* p ) const
|
|
{
|
|
if( p )
|
|
{
|
|
p->deleted_ = true;
|
|
delete p;
|
|
}
|
|
else
|
|
{
|
|
BOOST_ERROR( "YD::operator()(0) called" );
|
|
}
|
|
}
|
|
};
|
|
|
|
template<class U, class T, class D> static void test_null_unique_ptr( boost::movelib::unique_ptr<T, D> p1, boost::movelib::unique_ptr<T, D> p2 )
|
|
{
|
|
BOOST_TEST( T::instances == 0 );
|
|
|
|
boost::shared_ptr<U> sp( boost::move( p1 ) );
|
|
|
|
BOOST_TEST( sp.get() == 0 );
|
|
BOOST_TEST( sp.use_count() == 0 );
|
|
|
|
sp.reset( new T, typename boost::remove_reference<D>::type() );
|
|
|
|
BOOST_TEST( sp.get() != 0 );
|
|
BOOST_TEST( sp.use_count() == 1 );
|
|
|
|
BOOST_TEST( T::instances == 1 );
|
|
|
|
sp = boost::move( p2 );
|
|
|
|
BOOST_TEST( sp.get() == 0 );
|
|
BOOST_TEST( sp.use_count() == 0 );
|
|
|
|
BOOST_TEST( T::instances == 0 );
|
|
}
|
|
|
|
int main()
|
|
{
|
|
{
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
boost::movelib::unique_ptr<X> p( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
boost::shared_ptr<X> p2( boost::move( p ) );
|
|
BOOST_TEST( X::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
boost::shared_ptr<X> p3 = p2->shared_from_this();
|
|
BOOST_TEST( p2 == p3 );
|
|
BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
|
|
|
|
p2.reset();
|
|
p3.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p3 = p2->shared_from_this();
|
|
BOOST_TEST( p2 == p3 );
|
|
BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
|
|
|
|
p2.reset();
|
|
p3.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
}
|
|
|
|
{
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
boost::movelib::unique_ptr<X> p( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
boost::shared_ptr<X const> p2( boost::move( p ) );
|
|
BOOST_TEST( X::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
boost::shared_ptr<X const> p3 = p2->shared_from_this();
|
|
BOOST_TEST( p2 == p3 );
|
|
BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
|
|
|
|
p2.reset();
|
|
p3.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p3 = p2->shared_from_this();
|
|
BOOST_TEST( p2 == p3 );
|
|
BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
|
|
|
|
p2.reset();
|
|
p3.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
}
|
|
|
|
{
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
boost::movelib::unique_ptr<X> p( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
boost::shared_ptr<void> p2( boost::move( p ) );
|
|
BOOST_TEST( X::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<X>( new X );
|
|
BOOST_TEST( X::instances == 1 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( X::instances == 0 );
|
|
}
|
|
|
|
{
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
boost::movelib::unique_ptr<Y, YD> p( new Y, YD() );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
boost::shared_ptr<Y> p2( boost::move( p ) );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD>( new Y, YD() );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD>( new Y, YD() );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
}
|
|
|
|
{
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
YD yd;
|
|
|
|
boost::movelib::unique_ptr<Y, YD&> p( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
boost::shared_ptr<Y> p2( boost::move( p ) );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD&>( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD&>( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
}
|
|
|
|
{
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
YD yd;
|
|
|
|
boost::movelib::unique_ptr<Y, YD const&> p( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
boost::shared_ptr<Y> p2( boost::move( p ) );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
BOOST_TEST( p.get() == 0 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD const&>( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2 = boost::movelib::unique_ptr<Y, YD const&>( new Y, yd );
|
|
BOOST_TEST( Y::instances == 1 );
|
|
|
|
p2.reset();
|
|
BOOST_TEST( Y::instances == 0 );
|
|
}
|
|
|
|
{
|
|
test_null_unique_ptr<X>( boost::movelib::unique_ptr<X>(), boost::movelib::unique_ptr<X>() );
|
|
test_null_unique_ptr<X const>( boost::movelib::unique_ptr<X>(), boost::movelib::unique_ptr<X>() );
|
|
test_null_unique_ptr<void>( boost::movelib::unique_ptr<X>(), boost::movelib::unique_ptr<X>() );
|
|
test_null_unique_ptr<void const>( boost::movelib::unique_ptr<X>(), boost::movelib::unique_ptr<X>() );
|
|
}
|
|
|
|
{
|
|
test_null_unique_ptr<Y>( boost::movelib::unique_ptr<Y, YD>( 0, YD() ), boost::movelib::unique_ptr<Y, YD>( 0, YD() ) );
|
|
test_null_unique_ptr<Y const>( boost::movelib::unique_ptr<Y, YD>( 0, YD() ), boost::movelib::unique_ptr<Y, YD>( 0, YD() ) );
|
|
test_null_unique_ptr<void>( boost::movelib::unique_ptr<Y, YD>( 0, YD() ), boost::movelib::unique_ptr<Y, YD>( 0, YD() ) );
|
|
test_null_unique_ptr<void const>( boost::movelib::unique_ptr<Y, YD>( 0, YD() ), boost::movelib::unique_ptr<Y, YD>( 0, YD() ) );
|
|
}
|
|
|
|
{
|
|
YD yd;
|
|
|
|
test_null_unique_ptr<Y>( boost::movelib::unique_ptr<Y, YD&>( 0, yd ), boost::movelib::unique_ptr<Y, YD&>( 0, yd ) );
|
|
test_null_unique_ptr<Y const>( boost::movelib::unique_ptr<Y, YD&>( 0, yd ), boost::movelib::unique_ptr<Y, YD&>( 0, yd ) );
|
|
test_null_unique_ptr<void>( boost::movelib::unique_ptr<Y, YD&>( 0, yd ), boost::movelib::unique_ptr<Y, YD&>( 0, yd ) );
|
|
test_null_unique_ptr<void const>( boost::movelib::unique_ptr<Y, YD&>( 0, yd ), boost::movelib::unique_ptr<Y, YD&>( 0, yd ) );
|
|
}
|
|
|
|
return boost::report_errors();
|
|
}
|