1 /* Boost.MultiIndex serialization tests template.
2 *
3 * Copyright 2003-2013 Joaquin M Lopez Munoz.
4 * Distributed under the Boost Software License, Version 1.0.
5 * (See accompanying file LICENSE_1_0.txt or copy at
6 * http://www.boost.org/LICENSE_1_0.txt)
7 *
8 * See http://www.boost.org/libs/multi_index for library home page.
9 */
10
11 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
12 #include <boost/archive/text_oarchive.hpp>
13 #include <boost/archive/text_iarchive.hpp>
14 #include <boost/detail/lightweight_test.hpp>
15 #include <boost/mpl/size.hpp>
16 #include "pre_multi_index.hpp"
17 #include <boost/multi_index_container.hpp>
18 #include <string>
19 #include <sstream>
20 #include <vector>
21
22 template<int N>
23 struct all_indices_equal_helper
24 {
25 template<class MultiIndexContainer>
compareall_indices_equal_helper26 static bool compare(
27 const MultiIndexContainer& m1,const MultiIndexContainer& m2)
28 {
29 if(!(boost::multi_index::get<N>(m1)==boost::multi_index::get<N>(m2))){
30 return false;
31 }
32 return all_indices_equal_helper<N-1>::compare(m1,m2);
33 }
34 };
35
36 template<>
37 struct all_indices_equal_helper<0>
38 {
39 template<class MultiIndexContainer>
compareall_indices_equal_helper40 static bool compare(
41 const MultiIndexContainer&,const MultiIndexContainer&)
42 {
43 return true;
44 }
45 };
46
47 template<class MultiIndexContainer>
all_indices_equal(const MultiIndexContainer & m1,const MultiIndexContainer & m2)48 bool all_indices_equal(
49 const MultiIndexContainer& m1,const MultiIndexContainer& m2)
50 {
51 BOOST_STATIC_CONSTANT(int,
52 N=boost::mpl::size<
53 BOOST_DEDUCED_TYPENAME MultiIndexContainer::index_type_list>::type::value);
54
55 return all_indices_equal_helper<N-1>::compare(m1,m2);
56 }
57
58 template<class MultiIndexContainer>
test_serialization(const MultiIndexContainer & m)59 void test_serialization(const MultiIndexContainer& m)
60 {
61 typedef typename MultiIndexContainer::iterator iterator;
62 typedef typename MultiIndexContainer::const_iterator const_iterator;
63
64 std::ostringstream oss;
65 {
66 boost::archive::text_oarchive oa(oss);
67 oa<<m;
68
69 std::vector<const_iterator> its(m.size());
70 const_iterator it_end=m.end();
71 for(const_iterator it=m.begin();it!=it_end;++it){
72 its.push_back(it);
73 oa<<const_cast<const const_iterator&>(its.back());
74 }
75 oa<<const_cast<const const_iterator&>(it_end);
76 }
77
78 MultiIndexContainer m2;
79 std::istringstream iss(oss.str());
80 boost::archive::text_iarchive ia(iss);
81 ia>>m2;
82 BOOST_TEST(all_indices_equal(m,m2));
83
84 iterator it_end=m2.end();
85 for(iterator it=m2.begin();it!=it_end;++it){
86 iterator it2;
87 ia>>it2;
88 BOOST_TEST(it==it2);
89
90 /* exercise safe mode with this (unchecked) iterator */
91 BOOST_TEST(*it==*it2);
92 m2.erase(it,it2);
93 m2.erase(it2,it2);
94 m2.erase(it2,it);
95 iterator it3(++it2);
96 iterator it4;
97 it4=--it2;
98 BOOST_TEST(it==it4);
99 BOOST_TEST(it==boost::multi_index::project<0>(m2,it4));
100 }
101 iterator it2;
102 ia>>it2;
103 BOOST_TEST(it_end==it2);
104 BOOST_TEST(it_end==boost::multi_index::project<0>(m2,it2));
105 }
106