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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp')
-rw-r--r-- | src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp b/src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp new file mode 100644 index 000000000..2ebab9816 --- /dev/null +++ b/src/boost/libs/serialization/test/test_shared_ptr_multi_base.cpp @@ -0,0 +1,302 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// test_shared_ptr_multi_base.cpp + +// (C) Copyright 2002 Robert Ramey- http://www.rrsd.com and Takatoshi Kondo. +// Use, modification and distribution is subject to 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) +// +// See http://www.boost.org for updates, documentation, and revision history. + +#include <cstddef> // NULL +#include <cstdio> // remove +#include <fstream> + +#include <boost/config.hpp> +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::remove; +} +#endif + +#include <boost/serialization/nvp.hpp> +#include <boost/serialization/export.hpp> + +#include <boost/serialization/shared_ptr.hpp> +#include <boost/serialization/weak_ptr.hpp> + +#include "test_tools.hpp" + +struct Base1 { + Base1() {} + Base1(int x) : m_x(1 + x) {} + virtual ~Base1(){ + } + int m_x; + // serialize + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */) + { + ar & BOOST_SERIALIZATION_NVP(m_x); + } +}; + +struct Base2 { + Base2() {} + Base2(int x) : m_x(2 + x) {} + int m_x; + virtual ~Base2(){ + } + // serialize + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */) + { + ar & BOOST_SERIALIZATION_NVP(m_x); + } +}; + +struct Base3 { + Base3() {} + Base3(int x) : m_x(3 + x) {} + virtual ~Base3(){ + } + int m_x; + // serialize + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */) + { + ar & BOOST_SERIALIZATION_NVP(m_x); + } +}; + +// Sub is a subclass of Base1, Base1 and Base3. +struct Sub:public Base1, public Base2, public Base3 { + static int count; + Sub() { + ++count; + } + Sub(int x) : + Base1(x), + Base2(x), + m_x(x) + { + ++count; + } + Sub(const Sub & rhs) : + m_x(rhs.m_x) + { + ++count; + } + virtual ~Sub() { + assert(0 < count); + --count; + } + int m_x; + // serialize + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */) + { + ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(Base1); + ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(Base2); + ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(Base3); + ar & BOOST_SERIALIZATION_NVP(m_x); + } +}; + +// Sub needs to be exported because its serialized via a base class pointer +BOOST_CLASS_EXPORT(Sub) +BOOST_SERIALIZATION_SHARED_PTR(Sub) + +int Sub::count = 0; + +template <class FIRST, class SECOND> +void save2( + const char * testfile, + const FIRST& first, + const SECOND& second +){ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + oa << BOOST_SERIALIZATION_NVP(first); + oa << BOOST_SERIALIZATION_NVP(second); +} + +template <class FIRST, class SECOND> +void load2( + const char * testfile, + FIRST& first, + SECOND& second) +{ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + ia >> BOOST_SERIALIZATION_NVP(first); + ia >> BOOST_SERIALIZATION_NVP(second); +} + +// Run tests by serializing two shared_ptrs into an archive, +// clearing them (deleting the objects) and then reloading the +// objects back from an archive. + +template<class T, class U> +boost::shared_ptr<T> dynamic_pointer_cast(boost::shared_ptr<U> const & u) +BOOST_NOEXCEPT +{ + return boost::dynamic_pointer_cast<T>(u); +} + +#ifndef BOOST_NO_CXX11_SMART_PTR +template<class T, class U> +std::shared_ptr<T> dynamic_pointer_cast(std::shared_ptr<U> const & u) +BOOST_NOEXCEPT +{ + return std::dynamic_pointer_cast<T>(u); +} +#endif + +// Serialization sequence +// First, shared_ptr +// Second, weak_ptr +template <class SP, class WP> +void shared_weak( + SP & first, + WP & second +){ + const char * testfile = boost::archive::tmpnam(NULL); + BOOST_REQUIRE(NULL != testfile); + int firstm = first->m_x; + + BOOST_REQUIRE(! second.expired()); + int secondm = second.lock()->m_x; + save2(testfile, first, second); + + // Clear the pointers, thereby destroying the objects they contain + second.reset(); + first.reset(); + + load2(testfile, first, second); + BOOST_CHECK(! second.expired()); + + // Check data member + BOOST_CHECK(firstm == first->m_x); + BOOST_CHECK(secondm == second.lock()->m_x); + // Check pointer to vtable + BOOST_CHECK(::dynamic_pointer_cast<Sub>(first)); + BOOST_CHECK(::dynamic_pointer_cast<Sub>(second.lock())); + + std::remove(testfile); +} + +// Serialization sequence +// First, weak_ptr +// Second, shared_ptr +template <class WP, class SP> +void weak_shared( + WP & first, + SP & second +){ + const char * testfile = boost::archive::tmpnam(NULL); + BOOST_REQUIRE(NULL != testfile); + BOOST_CHECK(! first.expired()); + int firstm = first.lock()->m_x; + int secondm = second->m_x; + save2(testfile, first, second); + + // Clear the pointers, thereby destroying the objects they contain + first.reset(); + second.reset(); + + load2(testfile, first, second); + BOOST_CHECK(! first.expired()); + + // Check data member + BOOST_CHECK(firstm == first.lock()->m_x); + BOOST_CHECK(secondm == second->m_x); + // Check pointer to vtable + BOOST_CHECK(::dynamic_pointer_cast<Sub>(first.lock())); + BOOST_CHECK(::dynamic_pointer_cast<Sub>(second)); + + std::remove(testfile); +} + +// This does the tests +template<template<class T> class SPT, template<class T> class WPT> +bool test(){ + // Both Sub + SPT<Sub> tc1_sp(new Sub(10)); + WPT<Sub> tc1_wp(tc1_sp); + shared_weak(tc1_sp, tc1_wp); + weak_shared(tc1_wp, tc1_sp); + tc1_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Sub and Base1 + SPT<Sub> tc2_sp(new Sub(10)); + WPT<Base1> tc2_wp(tc2_sp); + shared_weak(tc2_sp, tc2_wp); + weak_shared(tc2_wp, tc2_sp); + tc2_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Sub and Base2 + SPT<Sub> tc3_sp(new Sub(10)); + WPT<Base2> tc3_wp(tc3_sp); + shared_weak(tc3_sp, tc3_wp); + weak_shared(tc3_wp, tc3_sp); + tc3_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Sub and Base3 + SPT<Sub> tc4_sp(new Sub(10)); + WPT<Base3> tc4_wp(tc4_sp); + shared_weak(tc4_sp, tc4_wp); + weak_shared(tc4_wp, tc4_sp); + tc4_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Base1 and Base2 + SPT<Sub> tc5_sp_tmp(new Sub(10)); + SPT<Base1> tc5_sp(tc5_sp_tmp); + WPT<Base2> tc5_wp(tc5_sp_tmp); + tc5_sp_tmp.reset(); + shared_weak(tc5_sp, tc5_wp); + weak_shared(tc5_wp, tc5_sp); + tc5_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Base2 and Base3 + SPT<Sub> tc6_sp_tmp(new Sub(10)); + SPT<Base2> tc6_sp(tc6_sp_tmp); + WPT<Base3> tc6_wp(tc6_sp_tmp); + tc6_sp_tmp.reset(); + shared_weak(tc6_sp, tc6_wp); + weak_shared(tc6_wp, tc6_sp); + tc6_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + // Base3 and Base1 + SPT<Sub> tc7_sp_tmp(new Sub(10)); + SPT<Base3> tc7_sp(tc7_sp_tmp); + WPT<Base1> tc7_wp(tc7_sp_tmp); + tc7_sp_tmp.reset(); + shared_weak(tc7_sp, tc7_wp); + weak_shared(tc7_wp, tc7_sp); + tc7_sp.reset(); + BOOST_CHECK(0 == Sub::count); + + return true; +} + +// This does the tests +int test_main(int /* argc */, char * /* argv */[]) +{ + bool result = true; + result &= test<boost::shared_ptr, boost::weak_ptr>(); + #ifndef BOOST_NO_CXX11_SMART_PTR + result &= test<std::shared_ptr, std::weak_ptr>(); + #endif + return result ? EXIT_SUCCESS : EXIT_FAILURE; +} |