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//
// quick.cpp - a quick (CI) test for Boost.SmartPtr
//
// Copyright 2017 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/smart_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
class X
{
private:
X( X const & );
X & operator=( X const & );
public:
static int instances;
X()
{
++instances;
}
~X()
{
--instances;
}
};
int X::instances = 0;
int main()
{
{
boost::shared_ptr<X> p1( new X );
BOOST_TEST_EQ( X::instances, 1 );
BOOST_TEST_EQ( p1.use_count(), 1 );
boost::shared_ptr<X> p2( p1 );
BOOST_TEST_EQ( p2.use_count(), 2 );
boost::weak_ptr<X> wp( p1 );
BOOST_TEST_EQ( wp.use_count(), 2 );
p1.reset();
BOOST_TEST_EQ( wp.use_count(), 1 );
p2.reset();
BOOST_TEST_EQ( wp.use_count(), 0 );
BOOST_TEST_EQ( X::instances, 0 );
}
{
boost::shared_ptr<X> p1 = boost::make_shared<X>();
BOOST_TEST_EQ( X::instances, 1 );
BOOST_TEST_EQ( p1.use_count(), 1 );
boost::shared_ptr<X> p2( p1 );
BOOST_TEST_EQ( p2.use_count(), 2 );
boost::weak_ptr<X> wp( p1 );
BOOST_TEST_EQ( wp.use_count(), 2 );
p1.reset();
BOOST_TEST_EQ( wp.use_count(), 1 );
p2.reset();
BOOST_TEST_EQ( wp.use_count(), 0 );
BOOST_TEST_EQ( X::instances, 0 );
}
return boost::report_errors();
}
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