1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2 // test_null_ptr.cpp: test implementation level trait
3
4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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 // should pass compilation and execution
10
11 #include <cstddef> // NULL
12 #include <cstdio> // remove
13 #include <fstream>
14
15 #include <boost/config.hpp>
16 #if defined(BOOST_NO_STDC_NAMESPACE)
17 namespace std{
18 using ::remove;
19 }
20 #endif
21
22 #include "test_tools.hpp"
23 #include <boost/serialization/base_object.hpp>
24
25 class polymorphic_base
26 {
27 friend class boost::serialization::access;
28 template<class Archive>
serialize(Archive &,const unsigned int)29 void serialize(Archive & /* ar */, const unsigned int /* file_version */){
30 }
31 public:
~polymorphic_base()32 virtual ~polymorphic_base(){};
33 };
34
35 class polymorphic_derived1 : public polymorphic_base
36 {
37 friend class boost::serialization::access;
38 template<class Archive>
serialize(Archive & ar,const unsigned int)39 void serialize(Archive &ar, const unsigned int /* file_version */){
40 ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base);
41 }
42 };
43
44 // save unregistered polymorphic classes
save(const char * testfile)45 void save(const char *testfile)
46 {
47 test_ostream os(testfile, TEST_STREAM_FLAGS);
48 test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
49
50 polymorphic_base *rb1 = NULL;
51 polymorphic_derived1 *rd1 = NULL;
52
53 oa << BOOST_SERIALIZATION_NVP(rb1);
54 oa << BOOST_SERIALIZATION_NVP(rd1);
55 }
56
57 // load unregistered polymorphic classes
load(const char * testfile)58 void load(const char *testfile)
59 {
60 test_istream is(testfile, TEST_STREAM_FLAGS);
61 test_iarchive ia(is, TEST_ARCHIVE_FLAGS);
62
63 polymorphic_derived1 dummy;
64
65 polymorphic_base *rb1 = & dummy;
66 polymorphic_derived1 *rd1 = & dummy;
67
68 ia >> BOOST_SERIALIZATION_NVP(rb1);
69 BOOST_CHECK_MESSAGE(NULL == rb1, "Null pointer not restored");
70
71 ia >> BOOST_SERIALIZATION_NVP(rd1);
72 BOOST_CHECK_MESSAGE(NULL == rd1, "Null pointer not restored");
73
74 delete rb1;
75 delete rd1;
76 }
77
78 int
test_main(int,char * [])79 test_main( int /* argc */, char* /* argv */[] )
80 {
81 const char * testfile = boost::archive::tmpnam(NULL);
82 BOOST_REQUIRE(NULL != testfile);
83 save(testfile);
84 load(testfile);
85 std::remove(testfile);
86 return EXIT_SUCCESS;
87 }
88
89 // EOF
90