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1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
2 | // test_delete_pointer.cpp | |
3 | ||
f67539c2 | 4 | // (C) Copyright 2002 Vahan Margaryan. |
7c673cae FG |
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) | |
f67539c2 | 16 | namespace std{ |
7c673cae FG |
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(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(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(testfile); | |
118 | return EXIT_SUCCESS; | |
119 | } |