[29] | 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 2 | // test_class_info_load.cpp: test implementation level trait |
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| 3 | |
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| 4 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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| 5 | // Use, modification and distribution is subject to the Boost Software |
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| 6 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | |
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| 9 | // test implementation level "object_class_info" |
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| 10 | // should pass compilation and execution |
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| 11 | |
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| 12 | #include <string> |
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| 13 | #include <fstream> |
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| 14 | |
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| 15 | #include <boost/archive/tmpdir.hpp> |
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| 16 | #include <boost/preprocessor/stringize.hpp> |
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| 17 | #include "test_tools.hpp" |
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| 18 | #include <boost/preprocessor/stringize.hpp> |
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| 19 | #include BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST) |
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| 20 | |
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| 21 | #include <boost/static_assert.hpp> |
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| 22 | #include <boost/serialization/level.hpp> |
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| 23 | #include <boost/serialization/tracking.hpp> |
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| 24 | #include <boost/serialization/version.hpp> |
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| 25 | #include <boost/serialization/nvp.hpp> |
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| 26 | |
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| 27 | class A |
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| 28 | { |
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| 29 | friend class boost::serialization::access; |
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| 30 | template<class Archive> |
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| 31 | void serialize(Archive & /*ar*/, const unsigned int file_version){ |
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| 32 | // class that don't save class info always have a version number of 0 |
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| 33 | BOOST_CHECK(file_version == 0); |
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| 34 | BOOST_STATIC_ASSERT(0 == ::boost::serialization::version<A>::value); |
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| 35 | ++count; |
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| 36 | } |
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| 37 | public: |
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| 38 | unsigned int count; |
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| 39 | A() : count(0) {} |
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| 40 | }; |
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| 41 | |
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| 42 | BOOST_CLASS_IMPLEMENTATION(A, ::boost::serialization::object_serializable) |
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| 43 | BOOST_CLASS_TRACKING(A, ::boost::serialization::track_never) |
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| 44 | |
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| 45 | // second case : serialize WITH class information |
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| 46 | class B |
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| 47 | { |
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| 48 | friend class boost::serialization::access; |
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| 49 | template<class Archive> |
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| 50 | void serialize(Archive & /*ar*/, const unsigned int file_version){ |
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| 51 | // verify at execution that the version number corresponds to the saved |
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| 52 | // one |
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| 53 | BOOST_CHECK(file_version == 2); |
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| 54 | ++count; |
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| 55 | } |
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| 56 | public: |
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| 57 | unsigned int count; |
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| 58 | B() : count(0) {} |
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| 59 | }; |
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| 60 | |
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| 61 | BOOST_CLASS_IMPLEMENTATION(B, ::boost::serialization::object_class_info) |
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| 62 | BOOST_CLASS_TRACKING(B, ::boost::serialization::track_never) |
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| 63 | BOOST_CLASS_VERSION(B, 4) |
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| 64 | |
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| 65 | void in(const char *testfile, A & a, B & b) |
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| 66 | { |
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| 67 | test_istream is(testfile, TEST_STREAM_FLAGS); |
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| 68 | test_iarchive ia(is); |
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| 69 | ia >> BOOST_SERIALIZATION_NVP(a); |
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| 70 | ia >> BOOST_SERIALIZATION_NVP(a); |
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| 71 | BOOST_CHECK(a.count == 2); // no tracking => redundant loads |
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| 72 | ia >> BOOST_SERIALIZATION_NVP(b); |
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| 73 | ia >> BOOST_SERIALIZATION_NVP(b); |
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| 74 | // note: archive was saved with tracking so that is what determines |
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| 75 | // whether tracking is perform on load - regardless of the latest |
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| 76 | // tracking setting. |
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| 77 | BOOST_CHECK(b.count == 1); |
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| 78 | } |
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| 79 | |
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| 80 | int |
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| 81 | test_main( int /* argc */, char* /* argv */[] ) |
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| 82 | { |
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| 83 | A a; |
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| 84 | B b; |
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| 85 | std::string filename; |
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| 86 | filename += boost::archive::tmpdir(); |
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| 87 | filename += '/'; |
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| 88 | filename += BOOST_PP_STRINGIZE(testfile_); |
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| 89 | filename += BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST); |
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| 90 | in(filename.c_str(), a, b); |
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| 91 | return EXIT_SUCCESS; |
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| 92 | } |
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| 93 | |
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| 94 | // EOF |
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