| 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 2 | // test_null_ptr.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 | // should pass compilation and execution |
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| 10 | |
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| 11 | #include <cstddef> // NULL |
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| 12 | #include <cstdio> // remove |
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| 13 | #include <fstream> |
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| 14 | |
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| 15 | #include <boost/config.hpp> |
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| 16 | #if defined(BOOST_NO_STDC_NAMESPACE) |
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| 17 | namespace std{ |
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| 18 | using ::remove; |
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| 19 | } |
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| 20 | #endif |
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| 21 | |
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| 22 | #include "test_tools.hpp" |
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| 23 | #include <boost/serialization/base_object.hpp> |
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| 24 | |
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| 25 | class polymorphic_base |
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| 26 | { |
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| 27 | friend class boost::serialization::access; |
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| 28 | template<class Archive> |
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| 29 | void serialize(Archive & /* ar */, const unsigned int /* file_version */){ |
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| 30 | } |
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| 31 | public: |
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| 32 | virtual ~polymorphic_base(){}; |
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| 33 | }; |
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| 34 | |
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| 35 | class polymorphic_derived1 : public polymorphic_base |
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| 36 | { |
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| 37 | friend class boost::serialization::access; |
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| 38 | template<class Archive> |
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| 39 | void serialize(Archive &ar, const unsigned int /* file_version */){ |
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| 40 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base); |
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| 41 | } |
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| 42 | }; |
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| 43 | |
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| 44 | // save unregistered polymorphic classes |
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| 45 | void save(const char *testfile) |
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| 46 | { |
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| 47 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
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| 48 | test_oarchive oa(os, TEST_ARCHIVE_FLAGS); |
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| 49 | |
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| 50 | polymorphic_base *rb1 = NULL; |
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| 51 | polymorphic_derived1 *rd1 = NULL; |
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| 52 | |
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| 53 | oa << BOOST_SERIALIZATION_NVP(rb1); |
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| 54 | oa << BOOST_SERIALIZATION_NVP(rd1); |
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| 55 | } |
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| 56 | |
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| 57 | // load unregistered polymorphic classes |
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| 58 | void load(const char *testfile) |
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| 59 | { |
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| 60 | test_istream is(testfile, TEST_STREAM_FLAGS); |
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| 61 | test_iarchive ia(is, TEST_ARCHIVE_FLAGS); |
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| 62 | |
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| 63 | polymorphic_derived1 dummy; |
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| 64 | |
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| 65 | polymorphic_base *rb1 = & dummy; |
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| 66 | polymorphic_derived1 *rd1 = & dummy; |
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| 67 | |
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| 68 | ia >> BOOST_SERIALIZATION_NVP(rb1); |
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| 69 | BOOST_CHECK_MESSAGE(NULL == rb1, "Null pointer not restored" ); |
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| 70 | |
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| 71 | ia >> BOOST_SERIALIZATION_NVP(rd1); |
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| 72 | BOOST_CHECK_MESSAGE(NULL == rd1, "Null pointer not restored" ); |
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| 73 | |
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| 74 | delete rb1; |
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| 75 | delete rd1; |
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| 76 | } |
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| 77 | |
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| 78 | int |
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| 79 | test_main( int /* argc */, char* /* argv */[] ) |
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| 80 | { |
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| 81 | const char * testfile = boost::archive::tmpnam(NULL); |
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| 82 | BOOST_REQUIRE(NULL != testfile); |
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| 83 | save(testfile); |
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| 84 | load(testfile); |
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| 85 | std::remove(filename: testfile); |
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| 86 | return EXIT_SUCCESS; |
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| 87 | } |
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| 88 | |
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| 89 | // EOF |
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| 90 | |
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