| /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
| // test_class_info_load.cpp: test implementation level trait |
| |
| // (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) |
| |
| // test implementation level "object_class_info" |
| // should pass compilation and execution |
| |
| #include <string> |
| #include <fstream> |
| |
| #include <boost/archive/tmpdir.hpp> |
| #include <boost/preprocessor/stringize.hpp> |
| #include "test_tools.hpp" |
| |
| #include <boost/static_assert.hpp> |
| #include <boost/serialization/level.hpp> |
| #include <boost/serialization/tracking.hpp> |
| #include <boost/serialization/version.hpp> |
| #include <boost/serialization/nvp.hpp> |
| |
| class A |
| { |
| friend class boost::serialization::access; |
| template<class Archive> |
| void serialize(Archive & /*ar*/, const unsigned int file_version){ |
| // class that don't save class info always have a version number of 0 |
| BOOST_CHECK(file_version == 0); |
| BOOST_STATIC_ASSERT(0 == ::boost::serialization::version<A>::value); |
| ++count; |
| } |
| public: |
| unsigned int count; |
| A() : count(0) {} |
| }; |
| |
| BOOST_CLASS_IMPLEMENTATION(A, ::boost::serialization::object_serializable) |
| BOOST_CLASS_TRACKING(A, ::boost::serialization::track_never) |
| |
| // second case : serialize WITH class information |
| class B |
| { |
| friend class boost::serialization::access; |
| template<class Archive> |
| void serialize(Archive & /*ar*/, const unsigned int file_version){ |
| // verify at execution that the version number corresponds to the saved |
| // one |
| BOOST_CHECK(file_version == 2); |
| ++count; |
| } |
| public: |
| unsigned int count; |
| B() : count(0) {} |
| }; |
| |
| BOOST_CLASS_IMPLEMENTATION(B, ::boost::serialization::object_class_info) |
| BOOST_CLASS_TRACKING(B, ::boost::serialization::track_never) |
| BOOST_CLASS_VERSION(B, 4) |
| |
| void in(const char *testfile, A & a, B & b) |
| { |
| test_istream is(testfile, TEST_STREAM_FLAGS); |
| test_iarchive ia(is, TEST_ARCHIVE_FLAGS); |
| ia >> BOOST_SERIALIZATION_NVP(a); |
| ia >> BOOST_SERIALIZATION_NVP(a); |
| BOOST_CHECK(a.count == 2); // no tracking => redundant loads |
| ia >> BOOST_SERIALIZATION_NVP(b); |
| ia >> BOOST_SERIALIZATION_NVP(b); |
| // note: archive was saved with tracking so that is what determines |
| // whether tracking is perform on load - regardless of the latest |
| // tracking setting. |
| BOOST_CHECK(b.count == 1); |
| } |
| |
| int |
| test_main( int /* argc */, char* /* argv */[] ) |
| { |
| A a; |
| B b; |
| std::string filename; |
| filename += boost::archive::tmpdir(); |
| filename += '/'; |
| filename += BOOST_PP_STRINGIZE(testfile_); |
| filename += BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST); |
| in(filename.c_str(), a, b); |
| return EXIT_SUCCESS; |
| } |
| |
| // EOF |