[29] | 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
---|
| 2 | // test_class_info_save.cpp: test implementation level trait |
---|
| 3 | |
---|
| 4 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
---|
| 5 | // Use, modification and distribution is subject to the Boost Software |
---|
| 6 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
---|
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
---|
| 8 | |
---|
| 9 | // test implementation level "object_class_info" |
---|
| 10 | // should pass compilation and execution |
---|
| 11 | |
---|
| 12 | #include <fstream> |
---|
| 13 | #include <string> |
---|
| 14 | |
---|
| 15 | #include <boost/static_assert.hpp> |
---|
| 16 | #include <boost/archive/tmpdir.hpp> |
---|
| 17 | #include <boost/preprocessor/stringize.hpp> |
---|
| 18 | #include "test_tools.hpp" |
---|
| 19 | #include <boost/preprocessor/stringize.hpp> |
---|
| 20 | #include BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST) |
---|
| 21 | |
---|
| 22 | #include <boost/serialization/level.hpp> |
---|
| 23 | #include <boost/serialization/version.hpp> |
---|
| 24 | #include <boost/serialization/tracking.hpp> |
---|
| 25 | #include <boost/serialization/nvp.hpp> |
---|
| 26 | |
---|
| 27 | // first case : serialize WITHOUT class information |
---|
| 28 | class A |
---|
| 29 | { |
---|
| 30 | friend class boost::serialization::access; |
---|
| 31 | template<class Archive> |
---|
| 32 | void serialize(Archive & /*ar*/, const unsigned int file_version){ |
---|
| 33 | // class that don't save class info always have a version number of 0 |
---|
| 34 | BOOST_CHECK(file_version == 0); |
---|
| 35 | BOOST_STATIC_ASSERT(0 == ::boost::serialization::version<A>::value); |
---|
| 36 | ++count; |
---|
| 37 | } |
---|
| 38 | public: |
---|
| 39 | unsigned int count; |
---|
| 40 | A() : count(0) {} |
---|
| 41 | }; |
---|
| 42 | |
---|
| 43 | BOOST_CLASS_IMPLEMENTATION(A, ::boost::serialization::object_serializable) |
---|
| 44 | BOOST_CLASS_TRACKING(A, ::boost::serialization::track_never) |
---|
| 45 | |
---|
| 46 | // second case : serialize WITH class information |
---|
| 47 | class B; |
---|
| 48 | BOOST_CLASS_VERSION(B, 2) |
---|
| 49 | |
---|
| 50 | class B |
---|
| 51 | { |
---|
| 52 | friend class boost::serialization::access; |
---|
| 53 | template<class Archive> |
---|
| 54 | void serialize(Archive & /*ar*/, const unsigned int file_version){ |
---|
| 55 | // verify at execution that correct version number is passed on save |
---|
| 56 | BOOST_CHECK(file_version == ::boost::serialization::version<B>::value); |
---|
| 57 | ++count; |
---|
| 58 | } |
---|
| 59 | public: |
---|
| 60 | unsigned int count; |
---|
| 61 | B() : count(0) {} |
---|
| 62 | }; |
---|
| 63 | |
---|
| 64 | BOOST_CLASS_IMPLEMENTATION(B, ::boost::serialization::object_class_info) |
---|
| 65 | BOOST_CLASS_TRACKING(B, boost::serialization::track_always) |
---|
| 66 | |
---|
| 67 | #include <iostream> |
---|
| 68 | |
---|
| 69 | void out(const char *testfile, const A & a, const B & b) |
---|
| 70 | { |
---|
| 71 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
---|
| 72 | test_oarchive oa(os); |
---|
| 73 | // write object twice to check tracking |
---|
| 74 | oa << BOOST_SERIALIZATION_NVP(a); |
---|
| 75 | oa << BOOST_SERIALIZATION_NVP(a); |
---|
| 76 | BOOST_CHECK(a.count == 2); // no tracking => redundant saves |
---|
| 77 | BOOST_MESSAGE( "a.count=" << a.count ); |
---|
| 78 | std::cout << "a.count=" << a.count << '\n' ; |
---|
| 79 | oa << BOOST_SERIALIZATION_NVP(b); |
---|
| 80 | oa << BOOST_SERIALIZATION_NVP(b); |
---|
| 81 | BOOST_CHECK(b.count == 1); // tracking => no redundant saves |
---|
| 82 | std::cout << "b.count=" << b.count << '\n' ; |
---|
| 83 | BOOST_MESSAGE( "b.count=" << b.count ); |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | |
---|
| 87 | int |
---|
| 88 | test_main( int /* argc */, char* /* argv */[] ) |
---|
| 89 | { |
---|
| 90 | A a; |
---|
| 91 | B b; |
---|
| 92 | std::string filename; |
---|
| 93 | filename += boost::archive::tmpdir(); |
---|
| 94 | filename += '/'; |
---|
| 95 | filename += BOOST_PP_STRINGIZE(testfile_); |
---|
| 96 | filename += BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST); |
---|
| 97 | out(filename.c_str(), a, b); |
---|
| 98 | return EXIT_SUCCESS; |
---|
| 99 | } |
---|
| 100 | |
---|
| 101 | // EOF |
---|