diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/serialization/test/test_unregistered.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/serialization/test/test_unregistered.cpp')
-rw-r--r-- | src/boost/libs/serialization/test/test_unregistered.cpp | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/test/test_unregistered.cpp b/src/boost/libs/serialization/test/test_unregistered.cpp new file mode 100644 index 00000000..09cb778d --- /dev/null +++ b/src/boost/libs/serialization/test/test_unregistered.cpp @@ -0,0 +1,313 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// test_unregistered.cpp + +// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . +// 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) + +// should pass compilation and execution + +#include <fstream> + +#include <cstddef> // NULL +#include <cstdio> // remove +#include <cstring> // strcmp +#include <boost/config.hpp> +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::remove; +} +#endif + +#include "test_tools.hpp" + +#include <boost/archive/archive_exception.hpp> +#include <boost/serialization/base_object.hpp> +#include <boost/serialization/type_info_implementation.hpp> +#include <boost/core/no_exceptions_support.hpp> + +class polymorphic_base +{ + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive & /* ar */, const unsigned int /* file_version */){ + } +public: + virtual ~polymorphic_base(){}; +}; + +class polymorphic_derived1 : public polymorphic_base +{ + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */){ + ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base); + } +}; + +class polymorphic_derived2 : public polymorphic_base +{ + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive &ar, const unsigned int /* file_version */){ + ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base); + } +}; + +struct type1 { + template<typename Archive> + void serialize(Archive&, unsigned int ver) { + BOOST_CHECK(ver == 1); + } +}; +struct type2 { + template<typename Archive> + void serialize(Archive&, unsigned int ver) { + BOOST_CHECK(ver == 2); + } +}; + +BOOST_CLASS_VERSION(type1, 1); +BOOST_CLASS_VERSION(type2, 2); + +// save unregistered polymorphic classes +void save_unregistered1(const char *testfile) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + + polymorphic_base *rb1 = new polymorphic_derived1; + + // registration IS necessary when serializing a polymorphic class + // through pointer to the base class + bool except = false; + BOOST_TRY { + oa << BOOST_SERIALIZATION_NVP(rb1); + } + BOOST_CATCH(boost::archive::archive_exception const& aex){ + except = true; + } + BOOST_CATCH_END + BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); + + delete rb1; +} + +// note: the corresponding save function above will not result in +// valid archive - hence, the following code which attempts to load +// and archive will fail. Leave this as a reminder not to do this +#if 0 +// load unregistered polymorphic classes +void load_unregistered1(const char *testfile) +{ + std::ifstream is(testfile); + boost::archive::iarchive ia(is); + + polymorphic_base *rb1(NULL); + + // registration IS necessary when serializing a polymorphic class + // through pointer to the base class + bool except = false; + BOOST_TRY { + ia >> BOOST_SERIALIZATION_NVP(rb1); + } + BOOST_CATCH(boost::archive::archive_exception const& aex){ + except = true; + BOOST_CHECK_MESSAGE( + NULL == rb1, + "failed load resulted in a non-null pointer" + ); + } + BOOST_CATCH_END + BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); + + delete rb1; +} +#endif + +// save unregistered polymorphic classes +void save_unregistered2(const char *testfile) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + + polymorphic_derived1 *rd1 = new polymorphic_derived1; + + // registration is NOT necessary when serializing a polymorphic class + // through pointer to a derived class + bool except = false; + BOOST_TRY { + oa << BOOST_SERIALIZATION_NVP(rd1); + } + BOOST_CATCH(boost::archive::archive_exception const& aex){ + except = true; + } + BOOST_CATCH_END + BOOST_CHECK_MESSAGE(! except, "registration not detected !"); + + delete rd1; +} + +// note: the corresponding save function above will not result in +// valid archive - hence, the following code which attempts to load +// and archive will fail. Leave this as a reminder not to do this +// load unregistered polymorphic classes +void load_unregistered2(const char *testfile) +{ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + + polymorphic_derived1 *rd1 = NULL; + + // registration is NOT necessary when serializing a polymorphic class + // or through pointer to a derived class + bool except = false; + BOOST_TRY { + ia >> BOOST_SERIALIZATION_NVP(rd1); + } + BOOST_CATCH(boost::archive::archive_exception const& aex){ + except = true; + BOOST_CHECK_MESSAGE( + NULL == rd1, + "failed load resulted in a non-null pointer" + ); + } + BOOST_CATCH_END + BOOST_CHECK_MESSAGE(! except, "registration not detected !"); + + delete rd1; +} + +// save registered polymorphic class +void save_registered(const char *testfile) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + + polymorphic_base *rb1 = new polymorphic_derived1; + polymorphic_base *rb2 = new polymorphic_derived2; + + // registration (forward declaration) will permit correct serialization + // through a pointer to a base class + oa.register_type(static_cast<polymorphic_derived1 *>(NULL)); + oa.register_type(static_cast<polymorphic_derived2 *>(NULL)); + oa << BOOST_SERIALIZATION_NVP(rb1); + oa << BOOST_SERIALIZATION_NVP(rb2); + + delete rb1; + delete rb2; +} + +// load registered polymorphic class +void load_registered(const char *testfile) +{ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + + polymorphic_base *rb1 = NULL; + polymorphic_base *rb2 = NULL; + + // registration (forward declaration) will permit correct serialization + // through a pointer to a base class + ia.register_type(static_cast<polymorphic_derived1 *>(NULL)); + ia.register_type(static_cast<polymorphic_derived2 *>(NULL)); + + ia >> BOOST_SERIALIZATION_NVP(rb1); + + BOOST_CHECK_MESSAGE(NULL != rb1, "Load resulted in NULL pointer"); + BOOST_CHECK_MESSAGE( + boost::serialization::type_info_implementation< + polymorphic_derived1 + >::type::get_const_instance() + == + * boost::serialization::type_info_implementation< + polymorphic_base + >::type::get_const_instance().get_derived_extended_type_info(*rb1), + "restored pointer b1 not of correct type" + ); + + ia >> BOOST_SERIALIZATION_NVP(rb2); + BOOST_CHECK_MESSAGE(NULL != rb2, "Load resulted in NULL pointer"); + BOOST_CHECK_MESSAGE( + boost::serialization::type_info_implementation< + polymorphic_derived2 + >::type::get_const_instance() + == + * boost::serialization::type_info_implementation< + polymorphic_base + >::type::get_const_instance().get_derived_extended_type_info(*rb2), + "restored pointer b2 not of correct type" + ); + + delete rb1; + delete rb2; +} + +// store a pointer from slot0 +void save_unregistered_pointer(const char *testfile) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + + oa.register_type(static_cast<type2 *>(NULL)); + + type1 instance1; + type2 *pointer2 = new type2; + + BOOST_TRY { + oa & BOOST_SERIALIZATION_NVP(instance1) & BOOST_SERIALIZATION_NVP(pointer2); + } + BOOST_CATCH(...) { + BOOST_CHECK_MESSAGE(false, "unexpected exception"); + } + BOOST_CATCH_END + + delete pointer2; +} + +// load a pointer from slot0 which has no pointer serializer +void load_unregistered_pointer(const char *testfile) +{ + test_istream is(testfile); + test_iarchive ia(is); + + type1 instance1; + type2 *pointer2(NULL); + + bool except = false; + BOOST_TRY { + ia & BOOST_SERIALIZATION_NVP(instance1) & BOOST_SERIALIZATION_NVP(pointer2); + } + BOOST_CATCH(boost::archive::archive_exception const& aex){ + except = true; + BOOST_CHECK_MESSAGE( + std::strcmp(aex.what(), "unregistered class") == 0, + "incorrect exception" + ); + } + BOOST_CATCH_END + BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); + BOOST_CHECK_MESSAGE(NULL == pointer2, "expected failed load"); + + delete pointer2; +} + +int +test_main( int /* argc */, char* /* argv */[] ) +{ + const char * testfile = boost::archive::tmpnam(NULL); + BOOST_REQUIRE(NULL != testfile); + save_unregistered1(testfile); +// load_unregistered1(testfile); + save_unregistered2(testfile); + load_unregistered2(testfile); + save_registered(testfile); + load_registered(testfile); + save_unregistered_pointer(testfile); + load_unregistered_pointer(testfile); + std::remove(testfile); + return EXIT_SUCCESS; +} + +// EOF |