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1 /* Boost.Flyweight test template for serialization capabilities.
2 *
3 * Copyright 2006-2014 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/flyweight for library home page.
9 */
10
11 #ifndef BOOST_FLYWEIGHT_TEST_SERIALIZATION_TEMPLATE_HPP
12 #define BOOST_FLYWEIGHT_TEST_SERIALIZATION_TEMPLATE_HPP
13
14 #if defined(_MSC_VER)&&(_MSC_VER>=1200)
15 #pragma once
16 #endif
17
18 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
19 #include <boost/archive/text_oarchive.hpp>
20 #include <boost/archive/text_iarchive.hpp>
21 #include <boost/detail/lightweight_test.hpp>
22 #include <boost/flyweight/key_value.hpp>
23 #include <boost/flyweight/serialize.hpp>
24 #include <boost/functional/hash.hpp>
25 #include <boost/mpl/apply.hpp>
26 #include <boost/serialization/vector.hpp>
27 #include <string>
28 #include <sstream>
29 #include <vector>
30 #include "heavy_objects.hpp"
31
32 #define LENGTHOF(array) (sizeof(array)/sizeof((array)[0]))
33
34 struct tracked_string
35 {
36 typedef tracked_string type;
37
38 tracked_string(){}
39 tracked_string(const char* str_):str(str_){}
40
41 const std::string& get()const{return str;}
42
43 friend bool operator==(const type& x,const type& y){return x.str==y.str;}
44 friend bool operator< (const type& x,const type& y){return x.str< y.str;}
45 friend bool operator!=(const type& x,const type& y){return x.str!=y.str;}
46 friend bool operator> (const type& x,const type& y){return x.str> y.str;}
47 friend bool operator>=(const type& x,const type& y){return x.str>=y.str;}
48 friend bool operator<=(const type& x,const type& y){return x.str<=y.str;}
49
50 private:
51 friend class boost::serialization::access;
52
53 template<class Archive>
54 void serialize(Archive& ar,const unsigned int){ar&str;}
55
56 std::string str;
57 };
58
59 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
60 namespace boost{
61 #endif
62
63 inline std::size_t hash_value(const tracked_string& x)
64 {
65 boost::hash<std::string> h;
66 return h(x.get());
67 }
68
69 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
70 } /* namespace boost */
71 #endif
72
73 template<typename Flyweight,typename ForwardIterator>
74 void test_serialization_template(
75 ForwardIterator first,ForwardIterator last
76 BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Flyweight))
77 {
78 std::vector<Flyweight> v1;
79 while(first!=last)v1.push_back(Flyweight(*first++));
80 std::ostringstream oss;
81 {
82 const std::vector<Flyweight>& crv1=v1;
83 boost::archive::text_oarchive oa(oss);
84 oa<<crv1;
85 }
86
87 std::vector<Flyweight> v2;
88 {
89 std::istringstream iss(oss.str());
90 boost::archive::text_iarchive ia(iss);
91 ia>>v2;
92 }
93
94 BOOST_TEST(v1==v2);
95 }
96
97 template<typename FlyweightSpecifier>
98 void test_serialization_template(
99 BOOST_EXPLICIT_TEMPLATE_TYPE(FlyweightSpecifier))
100 {
101 typedef typename boost::mpl::apply1<
102 FlyweightSpecifier,std::string
103 >::type string_flyweight;
104
105 typedef typename boost::mpl::apply1<
106 FlyweightSpecifier,tracked_string
107 >::type tracked_string_flyweight;
108
109 typedef typename boost::mpl::apply1<
110 FlyweightSpecifier,
111 boost::flyweights::key_value<std::string,texture,from_texture_to_string>
112 >::type texture_flyweight;
113
114 const char* words[]={"hello","boost","flyweight","boost","bye","c++","c++"};
115 test_serialization_template<string_flyweight>(
116 &words[0],&words[0]+LENGTHOF(words));
117 test_serialization_template<tracked_string_flyweight>(
118 &words[0],&words[0]+LENGTHOF(words));
119
120 const char* textures[]={
121 "wood","grass","sand","granite","terracotta","wood","sand","grass"};
122 test_serialization_template<texture_flyweight>(
123 &textures[0],&textures[0]+LENGTHOF(textures));
124 }
125
126 #undef LENGTHOF
127
128 #endif