93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// test_class_info_load.cpp: test implementation level trait
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// test implementation level "object_class_info"
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// should pass compilation and execution
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#include <string>
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#include <fstream>
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#include <boost/archive/tmpdir.hpp>
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#include <boost/preprocessor/stringize.hpp>
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#include "test_tools.hpp"
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#include <boost/static_assert.hpp>
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#include <boost/serialization/level.hpp>
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#include <boost/serialization/tracking.hpp>
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#include <boost/serialization/version.hpp>
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#include <boost/serialization/nvp.hpp>
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class A
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{
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friend class boost::serialization::access;
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template<class Archive>
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void serialize(Archive & /*ar*/, const unsigned int file_version){
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// class that don't save class info always have a version number of 0
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BOOST_CHECK(file_version == 0);
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BOOST_STATIC_ASSERT(0 == ::boost::serialization::version<A>::value);
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++count;
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}
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public:
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unsigned int count;
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A() : count(0) {}
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};
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BOOST_CLASS_IMPLEMENTATION(A, ::boost::serialization::object_serializable)
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BOOST_CLASS_TRACKING(A, ::boost::serialization::track_never)
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// second case : serialize WITH class information
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class B
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{
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friend class boost::serialization::access;
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template<class Archive>
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void serialize(Archive & /*ar*/, const unsigned int file_version){
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// verify at execution that the version number corresponds to the saved
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// one
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BOOST_CHECK(file_version == 2);
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++count;
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}
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public:
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unsigned int count;
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B() : count(0) {}
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};
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BOOST_CLASS_IMPLEMENTATION(B, ::boost::serialization::object_class_info)
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BOOST_CLASS_TRACKING(B, ::boost::serialization::track_never)
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BOOST_CLASS_VERSION(B, 4)
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void in(const char *testfile, A & a, B & b)
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{
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test_istream is(testfile, TEST_STREAM_FLAGS);
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test_iarchive ia(is, TEST_ARCHIVE_FLAGS);
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ia >> BOOST_SERIALIZATION_NVP(a);
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ia >> BOOST_SERIALIZATION_NVP(a);
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BOOST_CHECK(a.count == 2); // no tracking => redundant loads
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ia >> BOOST_SERIALIZATION_NVP(b);
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ia >> BOOST_SERIALIZATION_NVP(b);
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// note: archive was saved with tracking so that is what determines
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// whether tracking is perform on load - regardless of the latest
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// tracking setting.
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BOOST_CHECK(b.count == 1);
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}
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int
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test_main( int /* argc */, char* /* argv */[] )
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{
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A a;
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B b;
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std::string filename;
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filename += boost::archive::tmpdir();
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filename += '/';
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filename += BOOST_PP_STRINGIZE(testfile_);
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filename += BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST);
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in(filename.c_str(), a, b);
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return EXIT_SUCCESS;
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}
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// EOF
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