1 /*
2 Copyright (c) 2014, Randolph Voorhies, Shane Grant
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in the
11 documentation and/or other materials provided with the distribution.
12 * Neither the name of cereal nor the
13 names of its contributors may be used to endorse or promote products
14 derived from this software without specific prior written permission.
15
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL RANDOLPH VOORHIES AND SHANE GRANT BE LIABLE FOR ANY
20 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef CEREAL_TEST_USER_DATA_ADAPTERS_H_
28 #define CEREAL_TEST_USER_DATA_ADAPTERS_H_
29
30 #include "common.hpp"
31 #define CEREAL_FUTURE_EXPERIMENTAL
32 #include <cereal/archives/adapters.hpp>
33
34 struct SomeStruct {};
35
36 struct UserData
37 {
UserDataUserData38 UserData( SomeStruct * pp, SomeStruct & r ) :
39 p(pp), ref(r) {}
40
41 SomeStruct * p;
42 std::reference_wrapper<SomeStruct> ref;
43 };
44
45 struct UserStruct
46 {
UserStructUserStruct47 UserStruct( std::int32_t i,
48 SomeStruct * pointer,
49 SomeStruct & reference ) :
50 i32( i ),
51 p( pointer ),
52 ref( reference )
53 { }
54
55 UserStruct & operator=( UserStruct const & ) = delete;
56
57 std::int32_t i32;
58 SomeStruct const * p;
59 SomeStruct & ref;
60
61 template <class Archive>
serializeUserStruct62 void serialize( Archive & ar )
63 {
64 ar( i32 );
65 }
66
67 template <class Archive>
load_and_constructUserStruct68 static void load_and_construct( Archive & ar, cereal::construct<UserStruct> & construct )
69 {
70 std::int32_t ii;
71 ar( ii );
72 auto & data = cereal::get_user_data<UserData>( ar );
73 construct( ii, data.p, data.ref.get() );
74 }
75 };
76
77 template <class IArchive, class OArchive> inline
test_user_data_adapters()78 void test_user_data_adapters()
79 {
80 std::random_device rd;
81 std::mt19937 gen(rd());
82
83 auto rng = [&](){ return random_value<int>(gen); };
84
85 for(int ii=0; ii<100; ++ii)
86 {
87 SomeStruct ss;
88 std::unique_ptr<UserStruct> o_ptr( new UserStruct( rng(), &ss, ss ) );
89
90 std::ostringstream os;
91 {
92 OArchive oar(os);
93
94 oar(o_ptr);
95 }
96
97 decltype( o_ptr ) i_ptr;
98
99 std::istringstream is(os.str());
100 {
101 UserData ud(&ss, ss);
102 cereal::UserDataAdapter<UserData, IArchive> iar(ud, is);
103
104 iar(i_ptr);
105 }
106
107 CHECK_EQ( i_ptr->p, o_ptr->p );
108 CHECK_EQ( std::addressof(i_ptr->ref), std::addressof(o_ptr->ref) );
109 CHECK_EQ( i_ptr->i32, o_ptr->i32 );
110
111 std::istringstream bad_is(os.str());
112 {
113 IArchive iar(bad_is);
114
115 CHECK_THROWS_AS( iar(i_ptr), ::cereal::Exception );
116 }
117 }
118 }
119
120 #endif // CEREAL_TEST_USER_DATA_ADAPTERS_H_
121