[29] | 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 2 | // test_delete_pointer.cpp |
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| 3 | |
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| 4 | // (C) Copyright 2002 Vahan Margaryan. |
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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 | |
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| 10 | #include <fstream> |
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| 11 | |
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| 12 | #include <cstdio> // remove |
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| 13 | #include <boost/config.hpp> |
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| 14 | #if defined(BOOST_NO_STDC_NAMESPACE) |
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| 15 | namespace std{ |
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| 16 | using ::remove; |
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| 17 | } |
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| 18 | #endif |
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| 19 | |
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| 20 | #include "test_tools.hpp" |
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| 21 | #include <boost/preprocessor/stringize.hpp> |
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| 22 | #include BOOST_PP_STRINGIZE(BOOST_ARCHIVE_TEST) |
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| 23 | #include <boost/detail/no_exceptions_support.hpp> |
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| 24 | |
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| 25 | #include <boost/serialization/nvp.hpp> |
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| 26 | #include <boost/serialization/split_member.hpp> |
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| 27 | #include <boost/serialization/vector.hpp> |
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| 28 | |
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| 29 | //A holds a pointer to another A, but doesn't own the pointer. |
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| 30 | //objCount |
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| 31 | class A |
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| 32 | { |
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| 33 | friend class boost::serialization::access; |
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| 34 | template<class Archive> |
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| 35 | void save(Archive &ar, const unsigned int /* file_version */) const |
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| 36 | { |
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| 37 | ar << BOOST_SERIALIZATION_NVP(next_); |
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| 38 | } |
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| 39 | template<class Archive> |
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| 40 | void load(Archive & ar, const unsigned int /* file_version */) |
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| 41 | { |
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| 42 | static int i = 0; |
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| 43 | ++i; |
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| 44 | bool b = false; |
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| 45 | if(i == 2) |
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| 46 | b = true; |
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| 47 | |
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| 48 | ar >> BOOST_SERIALIZATION_NVP(next_); |
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| 49 | if(b) |
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| 50 | boost::throw_exception(0); |
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| 51 | } |
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| 52 | BOOST_SERIALIZATION_SPLIT_MEMBER() |
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| 53 | public: |
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| 54 | A() |
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| 55 | { |
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| 56 | next_ = 0; |
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| 57 | ++objcount; |
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| 58 | } |
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| 59 | A(const A& a) |
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| 60 | { |
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| 61 | next_ = a.next_; ++objcount; |
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| 62 | } |
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| 63 | ~A() |
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| 64 | { |
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| 65 | --objcount; |
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| 66 | } |
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| 67 | A* next_; |
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| 68 | static int objcount; |
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| 69 | }; |
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| 70 | |
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| 71 | |
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| 72 | int A::objcount = 0; |
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| 73 | |
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| 74 | int |
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| 75 | test_main( int /* argc */, char* /* argv */[] ) |
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| 76 | { |
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| 77 | std::vector<A*> vec; |
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| 78 | A* a = new A; |
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| 79 | a->next_ = 0; |
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| 80 | vec.push_back(a); |
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| 81 | |
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| 82 | //fill the vector with chained A's. The vector is assumed |
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| 83 | //to own the objects - we will destroy the objects through this vector. |
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| 84 | unsigned int i; |
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| 85 | for(i = 1; i < 10; ++i) |
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| 86 | { |
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| 87 | a = new A; |
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| 88 | vec[i - 1]->next_ = a; |
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| 89 | a->next_ = 0; |
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| 90 | vec.push_back(a); |
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| 91 | } |
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| 92 | |
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| 93 | const char * testfile = boost::archive::tmpnam(NULL); |
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| 94 | BOOST_REQUIRE(NULL != testfile); |
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| 95 | |
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| 96 | //output the vector |
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| 97 | { |
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| 98 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
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| 99 | test_oarchive oa(os); |
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| 100 | oa << BOOST_SERIALIZATION_NVP(vec); |
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| 101 | } |
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| 102 | |
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| 103 | //erase the objects |
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| 104 | for(i = 0; i < vec.size(); ++i) |
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| 105 | delete vec[i]; |
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| 106 | vec.clear(); |
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| 107 | |
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| 108 | //read the vector back |
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| 109 | { |
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| 110 | test_istream is(testfile, TEST_STREAM_FLAGS); |
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| 111 | test_iarchive ia(is); |
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| 112 | BOOST_TRY { |
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| 113 | ia >> BOOST_SERIALIZATION_NVP(vec); |
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| 114 | } |
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| 115 | BOOST_CATCH (...){ |
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| 116 | ia.delete_created_pointers(); |
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| 117 | vec.clear(); |
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| 118 | } |
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| 119 | BOOST_CATCH_END |
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| 120 | } |
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| 121 | |
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| 122 | //delete the objects |
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| 123 | for(i = 0; i < vec.size(); ++i) |
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| 124 | delete vec[i]; |
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| 125 | vec.clear(); |
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| 126 | |
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| 127 | //identify the leaks |
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| 128 | BOOST_CHECK(A::objcount == 0); |
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| 129 | std::remove(testfile); |
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| 130 | return EXIT_SUCCESS; |
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| 131 | } |
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| 132 | |
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| 133 | |
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