smart_ptr/test/abi_test_main.cpp
2018-12-23 00:06:13 +02:00

83 lines
1.8 KiB
C++

// Copyright 2018 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/core/lightweight_test.hpp>
#include <boost/config/pragma_message.hpp>
#if defined(BOOST_DISABLE_THREADS)
BOOST_PRAGMA_MESSAGE( "BOOST_DISABLE_THREADS is defined" )
#else
BOOST_PRAGMA_MESSAGE( "BOOST_DISABLE_THREADS is not defined" )
#endif
#if defined(BOOST_NO_CXX11_HDR_ATOMIC)
BOOST_PRAGMA_MESSAGE( "BOOST_NO_CXX11_HDR_ATOMIC is defined" )
#else
BOOST_PRAGMA_MESSAGE( "BOOST_NO_CXX11_HDR_ATOMIC is not defined" )
#endif
void abi_test_1( boost::shared_ptr<void> & p );
boost::shared_ptr<void> abi_test_2( boost::shared_ptr<void> const & p );
boost::shared_ptr<void> abi_test_3();
static int deleter_called;
void deleter( void* )
{
++deleter_called;
}
int main()
{
{
deleter_called = 0;
boost::shared_ptr<void> p( static_cast<void*>( 0 ), deleter );
BOOST_TEST_EQ( p.use_count(), 1 );
abi_test_1( p );
BOOST_TEST_EQ( p.use_count(), 0 );
BOOST_TEST_EQ( deleter_called, 1 );
}
{
deleter_called = 0;
boost::shared_ptr<void> p1( static_cast<void*>( 0 ), deleter );
BOOST_TEST_EQ( p1.use_count(), 1 );
boost::shared_ptr<void> p2 = abi_test_2( p1 );
BOOST_TEST_EQ( p1.use_count(), 2 );
BOOST_TEST_EQ( p2.use_count(), 2 );
p1.reset();
BOOST_TEST_EQ( p2.use_count(), 1 );
p2.reset();
BOOST_TEST_EQ( deleter_called, 1 );
}
{
boost::shared_ptr<void> p = abi_test_3();
BOOST_TEST_EQ( p.use_count(), 1 );
p.reset();
BOOST_TEST_EQ( p.use_count(), 0 );
}
return boost::report_errors();
}