forked from boostorg/smart_ptr
140 lines
2.7 KiB
C++
140 lines
2.7 KiB
C++
/*
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* Copyright Andrey Semashev 2013.
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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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*/
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/*!
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* \file intrusive_ref_counter_test.cpp
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* \author Andrey Semashev
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* \date 31.08.2013
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*
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* This file contains tests for the \c intrusive_ref_counter base class.
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*/
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#include <boost/smart_ptr/intrusive_ref_counter.hpp>
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#include <boost/intrusive_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <cstddef>
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namespace N1 {
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class my_class :
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public boost::intrusive_ref_counter< my_class >
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{
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public:
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static unsigned int destructor_count;
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~my_class()
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{
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++destructor_count;
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}
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};
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unsigned int my_class::destructor_count = 0;
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} // namespace N1
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namespace N2 {
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class my_class :
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public boost::intrusive_ref_counter< my_class, boost::thread_unsafe_counter >
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{
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public:
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static unsigned int destructor_count;
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~my_class()
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{
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++destructor_count;
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}
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};
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unsigned int my_class::destructor_count = 0;
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} // namespace N2
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namespace N3 {
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struct root :
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public boost::intrusive_ref_counter< root >
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{
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virtual ~root() {}
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};
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} // namespace N3
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namespace N4 {
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struct X :
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public virtual N3::root
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{
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};
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} // namespace N4
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namespace N5 {
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struct Y :
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public virtual N3::root
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{
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};
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} // namespace N5
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namespace N6 {
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struct Z :
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public N4::X,
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public N5::Y
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{
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static unsigned int destructor_count;
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~Z()
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{
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++destructor_count;
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}
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};
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unsigned int Z::destructor_count = 0;
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} // namespace N6
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int main()
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{
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// The test check that ADL works
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{
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boost::intrusive_ptr< N1::my_class > p = new N1::my_class();
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p = NULL;
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BOOST_TEST(N1::my_class::destructor_count == 1);
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}
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{
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boost::intrusive_ptr< N2::my_class > p = new N2::my_class();
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p = NULL;
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BOOST_TEST(N2::my_class::destructor_count == 1);
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}
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{
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N1::my_class* p = new N1::my_class();
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intrusive_ptr_add_ref(p);
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intrusive_ptr_release(p);
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BOOST_TEST(N1::my_class::destructor_count == 2);
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}
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// The test checks that destroying through the base class works
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{
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boost::intrusive_ptr< N6::Z > p1 = new N6::Z();
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BOOST_TEST(p1->use_count() == 1);
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BOOST_TEST(N6::Z::destructor_count == 0);
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boost::intrusive_ptr< N3::root > p2 = p1;
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BOOST_TEST(p1->use_count() == 2);
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BOOST_TEST(N6::Z::destructor_count == 0);
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p1 = NULL;
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BOOST_TEST(N6::Z::destructor_count == 0);
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p2 = NULL;
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BOOST_TEST(N6::Z::destructor_count == 1);
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}
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return boost::report_errors();
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}
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