1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
2 | // test_delete_pointer.cpp |
3 | |
4 | // (C) Copyright 2002 Vahan Margaryan. |
5 | // Use, modification and distribution is subject to the Boost Software |
6 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | |
10 | #include <cstddef> // NULL |
11 | #include <fstream> |
12 | |
13 | #include <cstdio> // remove |
14 | #include <boost/config.hpp> |
15 | #if defined(BOOST_NO_STDC_NAMESPACE) |
16 | namespace std{ |
17 | using ::remove; |
18 | } |
19 | #endif |
20 | |
21 | #include "test_tools.hpp" |
22 | #include <boost/core/no_exceptions_support.hpp> |
23 | #include <boost/serialization/throw_exception.hpp> |
24 | |
25 | #include <boost/serialization/nvp.hpp> |
26 | #include <boost/serialization/split_member.hpp> |
27 | |
28 | //A holds a pointer to another A, but doesn't own the pointer. |
29 | //objCount |
30 | class A |
31 | { |
32 | friend class boost::serialization::access; |
33 | template<class Archive> |
34 | void save(Archive &ar, const unsigned int /* file_version */) const |
35 | { |
36 | ar << BOOST_SERIALIZATION_NVP(next_); |
37 | } |
38 | template<class Archive> |
39 | void load(Archive & ar, const unsigned int /* file_version */) |
40 | { |
41 | ar >> BOOST_SERIALIZATION_NVP(next_); |
42 | ++loadcount; |
43 | } |
44 | BOOST_SERIALIZATION_SPLIT_MEMBER() |
45 | public: |
46 | A() |
47 | { |
48 | if(test && objcount == 3) |
49 | boost::serialization::throw_exception(e: boost::archive::archive_exception( |
50 | boost::archive::archive_exception::no_exception |
51 | )); |
52 | next_ = 0; |
53 | ++objcount; |
54 | } |
55 | ~A(){ |
56 | delete next_; |
57 | --objcount; |
58 | } |
59 | A* next_; |
60 | static int objcount; |
61 | static bool test; |
62 | static int loadcount; |
63 | }; |
64 | |
65 | |
66 | int A::objcount = 0; |
67 | int A::loadcount = 0; |
68 | bool A::test = false; |
69 | |
70 | int |
71 | test_main( int /* argc */, char* /* argv */[] ) |
72 | { |
73 | |
74 | //fill the vector with chained A's. The vector is assumed |
75 | //to own the objects - we will destroy the objects through this vector. |
76 | |
77 | A * head = new A; |
78 | A* last = head; |
79 | unsigned int i; |
80 | for(i = 1; i < 9; ++i) |
81 | { |
82 | A *a = new A; |
83 | last->next_ = a; |
84 | last = a; |
85 | } |
86 | |
87 | const char * testfile = boost::archive::tmpnam(buffer: 0); |
88 | BOOST_REQUIRE(NULL != testfile); |
89 | |
90 | //output the list |
91 | { |
92 | test_ostream os(testfile, TEST_STREAM_FLAGS); |
93 | test_oarchive oa(os, TEST_ARCHIVE_FLAGS); |
94 | oa << BOOST_SERIALIZATION_NVP(head); |
95 | } |
96 | |
97 | delete head; |
98 | BOOST_CHECK(A::objcount == 0); |
99 | |
100 | head = NULL; |
101 | A::test = true; |
102 | //read the list back |
103 | { |
104 | test_istream is(testfile, TEST_STREAM_FLAGS); |
105 | test_iarchive ia(is, TEST_ARCHIVE_FLAGS); |
106 | BOOST_TRY { |
107 | ia >> BOOST_SERIALIZATION_NVP(head); |
108 | } |
109 | BOOST_CATCH (...){ |
110 | ia.delete_created_pointers(); |
111 | } |
112 | BOOST_CATCH_END |
113 | } |
114 | |
115 | //identify the leaks |
116 | BOOST_CHECK(A::loadcount == 0); |
117 | std::remove(filename: testfile); |
118 | return EXIT_SUCCESS; |
119 | } |
120 | |