[29] | 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 2 | // test_unregistered.cpp |
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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 | // should pass compilation and execution |
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| 10 | |
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| 11 | #include <fstream> |
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| 12 | |
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| 13 | #include <cstdio> // remove |
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| 14 | #include <boost/config.hpp> |
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| 15 | #if defined(BOOST_NO_STDC_NAMESPACE) |
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| 16 | namespace std{ |
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| 17 | using ::remove; |
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| 18 | } |
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| 19 | #endif |
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| 20 | |
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| 21 | #include "test_tools.hpp" |
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| 22 | #include <boost/preprocessor/stringize.hpp> |
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| 23 | #include BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST) |
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| 24 | |
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| 25 | #include <boost/archive/archive_exception.hpp> |
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| 26 | #include <boost/serialization/base_object.hpp> |
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| 27 | #include <boost/detail/no_exceptions_support.hpp> |
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| 28 | |
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| 29 | class polymorphic_base |
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| 30 | { |
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| 31 | friend class boost::serialization::access; |
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| 32 | template<class Archive> |
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| 33 | void serialize(Archive & /* ar */, const unsigned int /* file_version */){ |
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| 34 | } |
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| 35 | public: |
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| 36 | virtual ~polymorphic_base(){}; |
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| 37 | }; |
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| 38 | |
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| 39 | class polymorphic_derived1 : public polymorphic_base |
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| 40 | { |
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| 41 | friend class boost::serialization::access; |
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| 42 | template<class Archive> |
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| 43 | void serialize(Archive &ar, const unsigned int /* file_version */){ |
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| 44 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base); |
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| 45 | } |
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| 46 | }; |
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| 47 | |
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| 48 | class polymorphic_derived2 : public polymorphic_base |
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| 49 | { |
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| 50 | friend class boost::serialization::access; |
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| 51 | template<class Archive> |
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| 52 | void serialize(Archive &ar, const unsigned int /* file_version */){ |
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| 53 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base); |
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| 54 | } |
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| 55 | }; |
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| 56 | |
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| 57 | // save unregistered polymorphic classes |
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| 58 | void save_unregistered1(const char *testfile) |
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| 59 | { |
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| 60 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
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| 61 | test_oarchive oa(os); |
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| 62 | |
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| 63 | polymorphic_base *rb1 = new polymorphic_derived1; |
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| 64 | |
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| 65 | // registration IS necessary when serializing a polymorphic class |
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| 66 | // through pointer to the base class |
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| 67 | bool except = false; |
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| 68 | BOOST_TRY { |
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| 69 | oa << BOOST_SERIALIZATION_NVP(rb1); |
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| 70 | } |
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| 71 | BOOST_CATCH(boost::archive::archive_exception aex){ |
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| 72 | except = true; |
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| 73 | } |
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| 74 | BOOST_CATCH_END |
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| 75 | BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); |
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| 76 | |
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| 77 | delete rb1; |
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| 78 | } |
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| 79 | |
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| 80 | // note: the corresponding save function above will not result in |
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| 81 | // valid archive - hence, the following code which attempts to load |
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| 82 | // and archive will fail. Leave this as a reminder not to do this |
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| 83 | #if 0 |
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| 84 | // load unregistered polymorphic classes |
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| 85 | void load_unregistered1(const char *testfile) |
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| 86 | { |
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| 87 | std::ifstream is(testfile); |
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| 88 | boost::archive::iarchive ia(is); |
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| 89 | |
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| 90 | polymorphic_base *rb1(NULL); |
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| 91 | |
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| 92 | // registration IS necessary when serializing a polymorphic class |
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| 93 | // through pointer to the base class |
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| 94 | bool except = false; |
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| 95 | BOOST_TRY { |
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| 96 | ia >> BOOST_SERIALIZATION_NVP(rb1); |
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| 97 | } |
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| 98 | BOOST_CATCH(boost::archive::archive_exception aex){ |
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| 99 | except = true; |
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| 100 | BOOST_CHECK_MESSAGE( |
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| 101 | NULL == rb1, |
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| 102 | "failed load resulted in a non-null pointer" |
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| 103 | ); |
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| 104 | } |
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| 105 | BOOST_CATCH_END |
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| 106 | BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); |
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| 107 | |
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| 108 | delete rb1; |
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| 109 | } |
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| 110 | #endif |
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| 111 | |
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| 112 | // save unregistered polymorphic classes |
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| 113 | void save_unregistered2(const char *testfile) |
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| 114 | { |
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| 115 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
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| 116 | test_oarchive oa(os); |
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| 117 | |
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| 118 | polymorphic_derived1 *rd1 = new polymorphic_derived1; |
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| 119 | |
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| 120 | // registration is NOT necessary when serializing a polymorphic class |
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| 121 | // through pointer to a derived class |
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| 122 | bool except = false; |
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| 123 | BOOST_TRY { |
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| 124 | oa << BOOST_SERIALIZATION_NVP(rd1); |
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| 125 | } |
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| 126 | BOOST_CATCH(boost::archive::archive_exception aex){ |
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| 127 | except = true; |
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| 128 | } |
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| 129 | BOOST_CATCH_END |
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| 130 | BOOST_CHECK_MESSAGE(! except, "registration not detected !"); |
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| 131 | |
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| 132 | delete rd1; |
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| 133 | } |
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| 134 | |
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| 135 | // note: the corresponding save function above will not result in |
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| 136 | // valid archive - hence, the following code which attempts to load |
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| 137 | // and archive will fail. Leave this as a reminder not to do this |
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| 138 | // load unregistered polymorphic classes |
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| 139 | void load_unregistered2(const char *testfile) |
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| 140 | { |
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| 141 | test_istream is(testfile, TEST_STREAM_FLAGS); |
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| 142 | test_iarchive ia(is); |
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| 143 | |
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| 144 | polymorphic_derived1 *rd1 = NULL; |
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| 145 | |
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| 146 | // registration is NOT necessary when serializing a polymorphic class |
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| 147 | // or through pointer to a derived class |
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| 148 | bool except = false; |
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| 149 | BOOST_TRY { |
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| 150 | ia >> BOOST_SERIALIZATION_NVP(rd1); |
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| 151 | } |
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| 152 | BOOST_CATCH(boost::archive::archive_exception aex){ |
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| 153 | except = true; |
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| 154 | BOOST_CHECK_MESSAGE( |
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| 155 | NULL == rd1, |
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| 156 | "failed load resulted in a non-null pointer" |
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| 157 | ); |
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| 158 | } |
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| 159 | BOOST_CATCH_END |
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| 160 | BOOST_CHECK_MESSAGE(! except, "registration not detected !"); |
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| 161 | |
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| 162 | delete rd1; |
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| 163 | } |
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| 164 | |
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| 165 | // save registered polymorphic class |
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| 166 | void save_registered(const char *testfile) |
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| 167 | { |
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| 168 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
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| 169 | test_oarchive oa(os); |
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| 170 | |
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| 171 | polymorphic_base *rb1 = new polymorphic_derived1; |
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| 172 | polymorphic_base *rb2 = new polymorphic_derived2; |
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| 173 | |
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| 174 | // registration (forward declaration) will permit correct serialization |
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| 175 | // through a pointer to a base class |
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| 176 | oa.register_type(static_cast<polymorphic_derived1 *>(NULL)); |
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| 177 | oa.register_type(static_cast<polymorphic_derived2 *>(NULL)); |
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| 178 | oa << BOOST_SERIALIZATION_NVP(rb1); |
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| 179 | oa << BOOST_SERIALIZATION_NVP(rb2); |
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| 180 | |
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| 181 | delete rb1; |
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| 182 | delete rb2; |
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| 183 | } |
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| 184 | |
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| 185 | // load registered polymorphic class |
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| 186 | void load_registered(const char *testfile) |
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| 187 | { |
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| 188 | test_istream is(testfile, TEST_STREAM_FLAGS); |
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| 189 | test_iarchive ia(is); |
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| 190 | |
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| 191 | polymorphic_base *rb1 = NULL; |
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| 192 | polymorphic_base *rb2 = NULL; |
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| 193 | |
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| 194 | // registration (forward declaration) will permit correct serialization |
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| 195 | // through a pointer to a base class |
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| 196 | ia.register_type(static_cast<polymorphic_derived1 *>(NULL)); |
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| 197 | ia.register_type(static_cast<polymorphic_derived2 *>(NULL)); |
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| 198 | |
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| 199 | ia >> BOOST_SERIALIZATION_NVP(rb1); |
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| 200 | |
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| 201 | BOOST_CHECK_MESSAGE(NULL != rb1, "Load resulted in NULL pointer"); |
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| 202 | BOOST_CHECK_MESSAGE( |
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| 203 | boost::serialization::type_info_implementation<polymorphic_derived1> |
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| 204 | ::type::get_instance() |
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| 205 | == boost::serialization::type_info_implementation<polymorphic_base> |
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| 206 | ::type::get_derived_extended_type_info(*rb1), |
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| 207 | "restored pointer b1 not of correct type" |
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| 208 | ); |
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| 209 | |
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| 210 | ia >> BOOST_SERIALIZATION_NVP(rb2); |
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| 211 | BOOST_CHECK_MESSAGE(NULL != rb2, "Load resulted in NULL pointer"); |
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| 212 | BOOST_CHECK_MESSAGE( |
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| 213 | boost::serialization::type_info_implementation<polymorphic_derived2> |
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| 214 | ::type::get_instance() |
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| 215 | == boost::serialization::type_info_implementation<polymorphic_base> |
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| 216 | ::type::get_derived_extended_type_info(*rb2), |
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| 217 | "restored pointer b2 not of correct type" |
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| 218 | ); |
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| 219 | |
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| 220 | delete rb1; |
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| 221 | delete rb2; |
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| 222 | } |
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| 223 | |
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| 224 | int |
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| 225 | test_main( int /* argc */, char* /* argv */[] ) |
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| 226 | { |
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| 227 | const char * testfile = boost::archive::tmpnam(NULL); |
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| 228 | BOOST_REQUIRE(NULL != testfile); |
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| 229 | save_unregistered1(testfile); |
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| 230 | // load_unregistered1(testfile); |
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| 231 | save_unregistered2(testfile); |
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| 232 | load_unregistered2(testfile); |
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| 233 | save_registered(testfile); |
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| 234 | load_registered(testfile); |
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| 235 | std::remove(testfile); |
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| 236 | return EXIT_SUCCESS; |
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| 237 | } |
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| 238 | |
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| 239 | // EOF |
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