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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/serialization/test/test_class_info_save.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/test/test_class_info_save.cpp b/src/boost/libs/serialization/test/test_class_info_save.cpp new file mode 100644 index 000000000..a2590bf8f --- /dev/null +++ b/src/boost/libs/serialization/test/test_class_info_save.cpp @@ -0,0 +1,100 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// test_class_info_save.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 <fstream> +#include <string> + +#include <boost/static_assert.hpp> +#include <boost/archive/tmpdir.hpp> +#include <boost/preprocessor/stringize.hpp> +#include "test_tools.hpp" + +#include <boost/serialization/level.hpp> +#include <boost/serialization/version.hpp> +#include <boost/serialization/tracking.hpp> +#include <boost/serialization/nvp.hpp> + +// first case : serialize WITHOUT class information +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 +// note: GCC compile fails if this is after the class declaration +class B; +BOOST_CLASS_VERSION(B, 2) + +class B +{ + friend class boost::serialization::access; + template<class Archive> + void serialize(Archive & /*ar*/, const unsigned int file_version){ + // verify at execution that correct version number is passed on save + BOOST_CHECK( + static_cast<const int>(file_version) + == ::boost::serialization::version<B>::value + ); + ++count; + } +public: + unsigned int count; + B() : count(0) {} +}; + +BOOST_CLASS_IMPLEMENTATION(B, ::boost::serialization::object_class_info) +BOOST_CLASS_TRACKING(B, boost::serialization::track_always) + +#include <iostream> + +void out(const char *testfile, const A & a, const B & b) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + // write object twice to check tracking + oa << BOOST_SERIALIZATION_NVP(a); + oa << BOOST_SERIALIZATION_NVP(a); + BOOST_CHECK(a.count == 2); // no tracking => redundant saves + std::cout << "a.count=" << a.count << '\n' ; + oa << BOOST_SERIALIZATION_NVP(b); + oa << BOOST_SERIALIZATION_NVP(b); + BOOST_CHECK(b.count == 1); // tracking => no redundant saves + std::cout << "b.count=" << b.count << '\n' ; +} + +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); + out(filename.c_str(), a, b); + return EXIT_SUCCESS; +} + +// EOF |