SerializeSimpleEuml.cpp
10.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
// Copyright 2010 Christophe Henry
// henry UNDERSCORE christophe AT hotmail DOT com
// This is an extended version of the state machine available in the boost::mpl library
// Distributed under the same license as the original.
// Copyright for the original version:
// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
// under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <iostream>
#include <boost/msm/back/state_machine.hpp>
#include <boost/msm/front/euml/euml.hpp>
#ifndef BOOST_MSM_NONSTANDALONE_TEST
#define BOOST_TEST_MODULE MyTest
#endif
#include <boost/test/unit_test.hpp>
// include headers that implement a archive in simple text format
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/serialization/tracking.hpp>
#include <sstream>
using namespace std;
using namespace boost::msm::front::euml;
namespace msm = boost::msm;
namespace
{
// A "complicated" event type that carries some data.
enum DiskTypeEnum
{
DISK_CD=0,
DISK_DVD=1
};
// events
BOOST_MSM_EUML_EVENT(play)
BOOST_MSM_EUML_EVENT(end_pause)
BOOST_MSM_EUML_EVENT(stop)
BOOST_MSM_EUML_EVENT(pause)
BOOST_MSM_EUML_EVENT(open_close)
// A "complicated" event type that carries some data.
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(std::string,cd_name)
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(DiskTypeEnum,cd_type)
BOOST_MSM_EUML_ATTRIBUTES((attributes_ << cd_name << cd_type ), cd_detected_attributes)
BOOST_MSM_EUML_EVENT_WITH_ATTRIBUTES(cd_detected,cd_detected_attributes)
//states
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(unsigned int,entry_counter)
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(unsigned int,exit_counter)
BOOST_MSM_EUML_STATE(( ++state_(entry_counter),++state_(exit_counter),attributes_ << entry_counter << exit_counter),Empty)
BOOST_MSM_EUML_STATE(( ++state_(entry_counter),++state_(exit_counter),attributes_ << entry_counter << exit_counter),Open)
BOOST_MSM_EUML_STATE(( ++state_(entry_counter),++state_(exit_counter),attributes_ << entry_counter << exit_counter),Stopped)
BOOST_MSM_EUML_STATE(( ++state_(entry_counter),++state_(exit_counter),attributes_ << entry_counter << exit_counter),Playing)
BOOST_MSM_EUML_STATE(( ++state_(entry_counter),++state_(exit_counter),attributes_ << entry_counter << exit_counter),Paused)
//fsm
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(unsigned int,start_playback_counter)
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(unsigned int,can_close_drawer_counter)
BOOST_MSM_EUML_DECLARE_ATTRIBUTE(unsigned int,test_fct_counter)
BOOST_MSM_EUML_ACTION(No_Transition)
{
template <class FSM,class Event>
void operator()(Event const&,FSM&,int)
{
BOOST_FAIL("no_transition called!");
}
};
BOOST_MSM_EUML_ACTION(good_disk_format)
{
template <class FSM,class EVT,class SourceState,class TargetState>
bool operator()(EVT const& evt,FSM&,SourceState& ,TargetState& )
{
if (evt.get_attribute(cd_type)!=DISK_CD)
{
return false;
}
return true;
}
};
BOOST_MSM_EUML_TRANSITION_TABLE((
Playing == Stopped + play / (++fsm_(start_playback_counter),++fsm_(test_fct_counter) ),
Playing == Paused + end_pause ,
// +------------------------------------------------------------------------------+
Empty == Open + open_close / ++fsm_(can_close_drawer_counter),
// +------------------------------------------------------------------------------+
Open == Empty + open_close ,
Open == Paused + open_close ,
Open == Stopped + open_close ,
Open == Playing + open_close ,
// +------------------------------------------------------------------------------+
Paused == Playing + pause ,
// +------------------------------------------------------------------------------+
Stopped == Playing + stop ,
Stopped == Paused + stop ,
Stopped == Empty + cd_detected [good_disk_format ||
(event_(cd_type)==Int_<DISK_CD>())] / process_(play) ,
Stopped == Stopped + stop
// +------------------------------------------------------------------------------+
),transition_table)
BOOST_MSM_EUML_DECLARE_STATE_MACHINE(( transition_table, //STT
init_ << Empty, // Init State
no_action, // Entry
no_action, // Exit
attributes_ << start_playback_counter
<< can_close_drawer_counter << test_fct_counter, // Attributes
configure_ << no_configure_, // configuration
No_Transition // no_transition handler
),
player_) //fsm name
typedef msm::back::state_machine<player_> player;
// static char const* const state_names[] = { "Stopped", "Paused", "Open", "Empty", "Playing" };
BOOST_AUTO_TEST_CASE( my_test )
{
player p2;
p2.start();
BOOST_CHECK_MESSAGE(p2.get_state<BOOST_MSM_EUML_STATE_NAME(Empty)&>().get_attribute(entry_counter) == 1,
"Empty entry not called correctly");
p2.process_event(open_close());
BOOST_CHECK_MESSAGE(p2.current_state()[0] == 2,"Open should be active"); //Open
BOOST_CHECK_MESSAGE(p2.get_state<BOOST_MSM_EUML_STATE_NAME(Empty)&>().get_attribute(exit_counter) == 1,
"Empty exit not called correctly");
BOOST_CHECK_MESSAGE(p2.get_state<BOOST_MSM_EUML_STATE_NAME(Open)&>().get_attribute(entry_counter) == 1,
"Open entry not called correctly");
// test the serialization
std::ostringstream ofs;
// save fsm to archive (current state is Open)
{
boost::archive::text_oarchive oa(ofs);
// write class instance to archive
oa << p2;
}
// reload fsm in state Open
player p;
{
// create and open an archive for input
std::istringstream ifs(ofs.str());
boost::archive::text_iarchive ia(ifs);
// read class state from archive
ia >> p;
}
p.process_event(open_close());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Empty should be active"); //Empty
p.process_event(
cd_detected("louie, louie",DISK_DVD));
BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Empty should be active"); //Empty
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Open)&>().get_attribute(exit_counter) == 1,
"Open exit not called correctly");
p.process_event(
cd_detected("louie, louie",DISK_CD));
BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Playing should be active"); //Playing
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Stopped)&>().get_attribute(entry_counter) == 1,
"Stopped entry not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Stopped)&>().get_attribute(exit_counter) == 1,
"Stopped exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Playing)&>().get_attribute(entry_counter) == 1,
"Playing entry not called correctly");
BOOST_CHECK_MESSAGE(p.get_attribute(start_playback_counter) == 1,"action not called correctly");
BOOST_CHECK_MESSAGE(p.get_attribute(test_fct_counter) == 1,"action not called correctly");
p.process_event(pause());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Paused should be active"); //Paused
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Playing)&>().get_attribute(exit_counter) == 1,
"Playing exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Paused)&>().get_attribute(entry_counter) == 1,
"Paused entry not called correctly");
// go back to Playing
p.process_event(end_pause());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Playing should be active"); //Playing
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Paused)&>().get_attribute(exit_counter) == 1,
"Paused exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Playing)&>().get_attribute(entry_counter) == 2,
"Playing entry not called correctly");
p.process_event(pause());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Paused should be active"); //Paused
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Playing)&>().get_attribute(exit_counter) == 2,
"Playing exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Paused)&>().get_attribute(entry_counter) == 2,
"Paused entry not called correctly");
p.process_event(stop());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Paused)&>().get_attribute(exit_counter) == 2,
"Paused exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Stopped)&>().get_attribute(entry_counter) == 2,
"Stopped entry not called correctly");
p.process_event(stop());
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Stopped)&>().get_attribute(exit_counter) == 2,
"Stopped exit not called correctly");
BOOST_CHECK_MESSAGE(p.get_state<BOOST_MSM_EUML_STATE_NAME(Stopped)&>().get_attribute(entry_counter) == 3,
"Stopped entry not called correctly");
}
}
// eliminate object tracking (even if serialized through a pointer)
// at the risk of a programming error creating duplicate objects.
// this is to get rid of warning because p is not const
BOOST_CLASS_TRACKING(player, boost::serialization::track_never)