Regression test for enable_shared_from_this.

[SVN r43733]
This commit is contained in:
Peter Dimov
2008-03-19 19:39:50 +00:00
parent 3a4dc43924
commit 2eb3991630
2 changed files with 137 additions and 0 deletions

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@ -35,5 +35,6 @@ import testing ;
[ run sp_unary_addr_test.cpp ]
[ compile-fail scoped_ptr_eq_fail.cpp ]
[ compile-fail scoped_array_eq_fail.cpp ]
[ run esft_regtest.cpp ]
;
}

136
test/esft_regtest.cpp Normal file
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@ -0,0 +1,136 @@
//
// esft_regtest.cpp
//
// A regression test for enable_shared_from_this
//
// Copyright (c) 2008 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/enable_shared_from_this.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <memory>
class X: public boost::enable_shared_from_this< X >
{
private:
int destroyed_;
int deleted_;
int expected_;
private:
X( X const& );
X& operator=( X const& );
public:
static int instances;
public:
explicit X( int expected ): destroyed_( 0 ), deleted_( 0 ), expected_( expected )
{
++instances;
}
~X()
{
BOOST_TEST( deleted_ == expected_ );
BOOST_TEST( destroyed_ == 0 );
++destroyed_;
--instances;
}
typedef void (*deleter_type)( X* );
static void deleter( X * px )
{
++px->deleted_;
}
static void deleter2( X * px )
{
++px->deleted_;
delete px;
}
};
int X::instances = 0;
int main()
{
BOOST_TEST( X::instances == 0 );
{
X x( 0 );
BOOST_TEST( X::instances == 1 );
}
BOOST_TEST( X::instances == 0 );
{
std::auto_ptr<X> px( new X( 0 ) );
BOOST_TEST( X::instances == 1 );
}
BOOST_TEST( X::instances == 0 );
{
boost::shared_ptr<X> px( new X( 0 ) );
BOOST_TEST( X::instances == 1 );
boost::weak_ptr<X> wp( px );
BOOST_TEST( !wp.expired() );
px.reset();
BOOST_TEST( wp.expired() );
}
BOOST_TEST( X::instances == 0 );
{
X x( 1 );
boost::shared_ptr<X> px( &x, X::deleter );
BOOST_TEST( X::instances == 1 );
X::deleter_type * pd = boost::get_deleter<X::deleter_type>( px );
BOOST_TEST( pd != 0 && *pd == X::deleter );
boost::weak_ptr<X> wp( px );
BOOST_TEST( !wp.expired() );
px.reset();
BOOST_TEST( wp.expired() );
}
BOOST_TEST( X::instances == 0 );
{
boost::shared_ptr<X> px( new X( 1 ), X::deleter2 );
BOOST_TEST( X::instances == 1 );
X::deleter_type * pd = boost::get_deleter<X::deleter_type>( px );
BOOST_TEST( pd != 0 && *pd == X::deleter2 );
boost::weak_ptr<X> wp( px );
BOOST_TEST( !wp.expired() );
px.reset();
BOOST_TEST( wp.expired() );
}
BOOST_TEST( X::instances == 0 );
return boost::report_errors();
}