libs/serialization/test/test_exported.cpp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // test_exported.cpp
   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>
  12 #include <fstream>
  13
  14 #include <boost/config.hpp>
  15 #include <cstdio> // remove
  16 #if defined(BOOST_NO_STDC_NAMESPACE)
  17 namespace std{
  18     using ::remove;
  19 }
  20 #endif
  21
  22 #include <boost/serialization/type_info_implementation.hpp>
  23 #include <boost/serialization/export.hpp>
  24 #include <boost/serialization/base_object.hpp>
  25
  26 #include "test_tools.hpp"
  27
  28 #include <boost/archive/polymorphic_oarchive.hpp>
  29 #include <boost/archive/polymorphic_iarchive.hpp>
  30
  31 #include "polymorphic_derived1.hpp"
  32 #include "polymorphic_derived2.hpp"
  33
  34 // save exported polymorphic class
  35 void save_exported(const char *testfile)
  36 {
  37     test_ostream os(testfile, TEST_STREAM_FLAGS);
  38     test_oarchive oa_implementation(os, TEST_ARCHIVE_FLAGS);
  39     boost::archive::polymorphic_oarchive & oa_interface = oa_implementation;
  40
  41     const polymorphic_base *rb1 = new polymorphic_derived1;
  42     const polymorphic_base *rb2 = new polymorphic_derived2;
  43
  44     // export will permit correct serialization
  45     // through a pointer to a base class
  46     std::cout << "saving polymorphic_derived1 (no_rtti)\n";
  47     oa_interface << BOOST_SERIALIZATION_NVP(rb1);
  48
  49     std::cout << "saving polymorphic_derived2\n";
  50     oa_interface << BOOST_SERIALIZATION_NVP(rb2);
  51
  52     delete rb1;
  53     delete rb2;
  54 }
  55
  56 // save exported polymorphic class
  57 void load_exported(const char *testfile)
  58 {
  59     test_istream is(testfile, TEST_STREAM_FLAGS);
  60     test_iarchive  ia_implementation(is, TEST_ARCHIVE_FLAGS);
  61     boost::archive::polymorphic_iarchive & ia_interface = ia_implementation;
  62
  63     polymorphic_base *rb1 = NULL;
  64     polymorphic_base *rb2 = NULL;
  65
  66     // export will permit correct serialization
  67     // through a pointer to a base class
  68     ia_interface >> BOOST_SERIALIZATION_NVP(rb1);
  69     BOOST_CHECK_MESSAGE(
  70         boost::serialization::type_info_implementation<polymorphic_derived1>
  71             ::type::get_const_instance()
  72         ==
  73         * boost::serialization::type_info_implementation<polymorphic_base>
  74             ::type::get_const_instance().get_derived_extended_type_info(*rb1),
  75         "restored pointer b1 not of correct type"
  76     );
  77
  78     ia_interface >> BOOST_SERIALIZATION_NVP(rb2);
  79     BOOST_CHECK_MESSAGE(
  80         boost::serialization::type_info_implementation<polymorphic_derived2>
  81             ::type::get_const_instance()
  82         ==
  83         * boost::serialization::type_info_implementation<polymorphic_base>
  84             ::type::get_const_instance().get_derived_extended_type_info(*rb2),
  85         "restored pointer b2 not of correct type"
  86     );
  87
  88     delete rb1;
  89     delete rb2;
  90 }
  91
  92 int
  93 test_main( int /* argc */, char* /* argv */[] )
  94 {
  95     const char * testfile = boost::archive::tmpnam(NULL);
  96     BOOST_REQUIRE(NULL != testfile);
  97
  98     save_exported(testfile);
  99     load_exported(testfile);
 100     std::remove(testfile);
 101     return EXIT_SUCCESS;
 102 }
 103
 104 // EOF