120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// test_delete_pointer.cpp
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// (C) Copyright 2002 Vahan Margaryan.
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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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//
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#include <cstddef> // NULL
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#include <fstream>
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#include <cstdio> // remove
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#include <boost/config.hpp>
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{
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using ::remove;
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}
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#endif
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#include "test_tools.hpp"
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#include <boost/core/no_exceptions_support.hpp>
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#include <boost/serialization/throw_exception.hpp>
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#include <boost/serialization/nvp.hpp>
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#include <boost/serialization/split_member.hpp>
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//A holds a pointer to another A, but doesn't own the pointer.
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//objCount
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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 save(Archive &ar, const unsigned int /* file_version */) const
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{
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ar << BOOST_SERIALIZATION_NVP(next_);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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ar >> BOOST_SERIALIZATION_NVP(next_);
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++loadcount;
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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public:
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A()
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{
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if(test && objcount == 3)
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boost::serialization::throw_exception(boost::archive::archive_exception(
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boost::archive::archive_exception::no_exception
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));
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next_ = 0;
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++objcount;
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}
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~A(){
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delete next_;
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--objcount;
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}
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A* next_;
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static int objcount;
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static bool test;
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static int loadcount;
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};
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int A::objcount = 0;
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int A::loadcount = 0;
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bool A::test = false;
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int
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test_main( int /* argc */, char* /* argv */[] )
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{
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//fill the vector with chained A's. The vector is assumed
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//to own the objects - we will destroy the objects through this vector.
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A * head = new A;
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A* last = head;
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unsigned int i;
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for(i = 1; i < 9; ++i)
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{
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A *a = new A;
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last->next_ = a;
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last = a;
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}
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const char * testfile = boost::archive::tmpnam(0);
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BOOST_REQUIRE(NULL != testfile);
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//output the list
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{
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test_ostream os(testfile, TEST_STREAM_FLAGS);
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test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
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oa << BOOST_SERIALIZATION_NVP(head);
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}
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delete head;
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BOOST_CHECK(A::objcount == 0);
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head = NULL;
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A::test = true;
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//read the list back
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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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BOOST_TRY {
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ia >> BOOST_SERIALIZATION_NVP(head);
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}
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BOOST_CATCH (...){
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ia.delete_created_pointers();
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}
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BOOST_CATCH_END
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}
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//identify the leaks
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BOOST_CHECK(A::loadcount == 0);
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std::remove(testfile);
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return EXIT_SUCCESS;
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}
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