1// Copyright 2010 Christophe Henry
2// henry UNDERSCORE christophe AT hotmail DOT com
3// This is an extended version of the state machine available in the boost::mpl library
4// Distributed under the same license as the original.
5// Copyright for the original version:
6// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
7// under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10
11// back-end
12#include <boost/msm/back/state_machine.hpp>
13//front-end
14#include <boost/msm/front/state_machine_def.hpp>
15#include <boost/msm/front/functor_row.hpp>
16
17#ifndef BOOST_MSM_NONSTANDALONE_TEST
18#define BOOST_TEST_MODULE MyTest
19#endif
20#include <boost/test/unit_test.hpp>
21
22namespace msm = boost::msm;
23namespace mpl = boost::mpl;
24using namespace boost::msm::front;
25
26namespace
27{
28 // events
29 struct play {};
30 struct end_pause {};
31 struct stop {};
32 struct pause {};
33 struct open_close {};
34 struct NextSong {};
35 struct PreviousSong {};
36 struct error_found {};
37 struct end_error {};
38 struct do_terminate {};
39
40 // Flags. Allow information about a property of the current state
41 struct PlayingPaused{};
42 struct CDLoaded {};
43 struct FirstSongPlaying {};
44
45 // A "complicated" event type that carries some data.
46 struct cd_detected
47 {
48 cd_detected(std::string name)
49 : name(name)
50 {}
51
52 std::string name;
53 };
54
55 // front-end: define the FSM structure
56 struct player_ : public msm::front::state_machine_def<player_>
57 {
58 // we want deferred events and no state requires deferred events (only the fsm in the
59 // transition table), so the fsm does.
60 typedef int activate_deferred_events;
61
62 unsigned int start_playback_counter;
63 unsigned int can_close_drawer_counter;
64 unsigned int report_error_counter;
65 unsigned int report_end_error_counter;
66
67 player_():
68 start_playback_counter(0),
69 can_close_drawer_counter(0),
70 report_error_counter(0),
71 report_end_error_counter(0)
72 {}
73 // The list of FSM states
74 struct Empty : public msm::front::state<>
75 {
76 template <class Event,class FSM>
77 void on_entry(Event const&,FSM& ) {++entry_counter;}
78 template <class Event,class FSM>
79 void on_exit(Event const&,FSM& ) {++exit_counter;}
80 int entry_counter;
81 int exit_counter;
82 };
83 struct Open : public msm::front::state<>
84 {
85 typedef mpl::vector1<CDLoaded> flag_list;
86
87 template <class Event,class FSM>
88 void on_entry(Event const&,FSM& ) {++entry_counter;}
89 template <class Event,class FSM>
90 void on_exit(Event const&,FSM& ) {++exit_counter;}
91 int entry_counter;
92 int exit_counter;
93 };
94
95 struct Stopped : public msm::front::state<>
96 {
97 typedef mpl::vector1<CDLoaded> flag_list;
98
99 template <class Event,class FSM>
100 void on_entry(Event const&,FSM& ) {++entry_counter;}
101 template <class Event,class FSM>
102 void on_exit(Event const&,FSM& ) {++exit_counter;}
103 int entry_counter;
104 int exit_counter;
105 };
106
107 // the player state machine contains a state which is himself a state machine
108 // as you see, no need to declare it anywhere so Playing can be developed separately
109 // by another team in another module. For simplicity I just declare it inside player
110 struct Playing_ : public msm::front::state_machine_def<Playing_>
111 {
112 // when playing, the CD is loaded and we are in either pause or playing (duh)
113 typedef mpl::vector2<PlayingPaused,CDLoaded> flag_list;
114
115 template <class Event,class FSM>
116 void on_entry(Event const&,FSM& ) {++entry_counter;}
117 template <class Event,class FSM>
118 void on_exit(Event const&,FSM& ) {++exit_counter;}
119 int entry_counter;
120 int exit_counter;
121 unsigned int start_next_song_counter;
122 unsigned int start_prev_song_guard_counter;
123
124 Playing_():
125 start_next_song_counter(0),
126 start_prev_song_guard_counter(0)
127 {}
128
129 // The list of FSM states
130 struct Song1 : public msm::front::state<>
131 {
132 typedef mpl::vector1<FirstSongPlaying> flag_list;
133
134 template <class Event,class FSM>
135 void on_entry(Event const&,FSM& ) {++entry_counter;}
136 template <class Event,class FSM>
137 void on_exit(Event const&,FSM& ) {++exit_counter;}
138 int entry_counter;
139 int exit_counter;
140 };
141 struct Song2 : public msm::front::state<>
142 {
143 template <class Event,class FSM>
144 void on_entry(Event const&,FSM& ) {++entry_counter;}
145 template <class Event,class FSM>
146 void on_exit(Event const&,FSM& ) {++exit_counter;}
147 int entry_counter;
148 int exit_counter;
149 };
150 struct Song3 : public msm::front::state<>
151 {
152 template <class Event,class FSM>
153 void on_entry(Event const&,FSM& ) {++entry_counter;}
154 template <class Event,class FSM>
155 void on_exit(Event const&,FSM& ) {++exit_counter;}
156 int entry_counter;
157 int exit_counter;
158 };
159 // the initial state. Must be defined
160 typedef Song1 initial_state;
161 // transition actions
162 void start_next_song(NextSong const&) {++start_next_song_counter; }
163 void start_prev_song(PreviousSong const&) { }
164 // guard conditions
165 bool start_prev_song_guard(PreviousSong const&) {++start_prev_song_guard_counter;return true; }
166
167 typedef Playing_ pl; // makes transition table cleaner
168 // Transition table for Playing
169 struct transition_table : mpl::vector4<
170 // Start Event Next Action Guard
171 // +---------+-------------+---------+---------------------+----------------------+
172 _row < Song1 , NextSong , Song2 >,
173 row < Song2 , PreviousSong, Song1 , &pl::start_prev_song,&pl::start_prev_song_guard>,
174 a_row < Song2 , NextSong , Song3 , &pl::start_next_song >,
175 g_row < Song3 , PreviousSong, Song2 ,&pl::start_prev_song_guard>
176 // +---------+-------------+---------+---------------------+----------------------+
177 > {};
178 // Replaces the default no-transition response.
179 template <class FSM,class Event>
180 void no_transition(Event const&, FSM&,int)
181 {
182 BOOST_FAIL("no_transition called!");
183 }
184 };
185 // back-end
186 typedef msm::back::state_machine<Playing_> Playing;
187
188 // state not defining any entry or exit
189 struct Paused : public msm::front::state<>
190 {
191 typedef mpl::vector2<PlayingPaused,CDLoaded> flag_list;
192
193 template <class Event,class FSM>
194 void on_entry(Event const&,FSM& ) {++entry_counter;}
195 template <class Event,class FSM>
196 void on_exit(Event const&,FSM& ) {++exit_counter;}
197 int entry_counter;
198 int exit_counter;
199 };
200 struct AllOk : public msm::front::state<>
201 {
202 template <class Event,class FSM>
203 void on_entry(Event const&,FSM& ) {++entry_counter;}
204 template <class Event,class FSM>
205 void on_exit(Event const&,FSM& ) {++exit_counter;}
206 int entry_counter;
207 int exit_counter;
208 };
209 // this state is also made terminal so that all the events are blocked
210 struct ErrorMode : //public msm::front::terminate_state<> // ErrorMode terminates the state machine
211 public msm::front::interrupt_state<end_error> // ErroMode just interrupts. Will resume if
212 // the event end_error is generated
213 {
214 template <class Event,class FSM>
215 void on_entry(Event const&,FSM& ) {++entry_counter;}
216 template <class Event,class FSM>
217 void on_exit(Event const&,FSM& ) {++exit_counter;}
218 int entry_counter;
219 int exit_counter;
220 };
221 struct ErrorTerminate : public msm::front::terminate_state<> // terminates the state machine
222 {
223 template <class Event,class FSM>
224 void on_entry(Event const&,FSM& ) {++entry_counter;}
225 template <class Event,class FSM>
226 void on_exit(Event const&,FSM& ) {++exit_counter;}
227 int entry_counter;
228 int exit_counter;
229 };
230 // the initial state of the player SM. Must be defined
231 typedef mpl::vector<Empty,AllOk> initial_state;
232
233 // transition actions
234 void start_playback(play const&) {++start_playback_counter; }
235 void open_drawer(open_close const&) { }
236 void store_cd_info(cd_detected const&) { }
237 void stop_playback(stop const&) { }
238 void pause_playback(pause const&) { }
239 void resume_playback(end_pause const&) { }
240 void stop_and_open(open_close const&) { }
241 void stopped_again(stop const&){}
242 void report_error(error_found const&) {++report_error_counter;}
243 void report_end_error(end_error const&) {++report_end_error_counter;}
244
245 //guards
246 bool can_close_drawer(open_close const&)
247 {
248 ++can_close_drawer_counter;
249 return true;
250 }
251 typedef player_ p; // makes transition table cleaner
252
253 // Transition table for player
254 struct transition_table : mpl::vector<
255 // Start Event Next Action Guard
256 // +---------+-------------+---------+---------------------+----------------------+
257 a_row < Stopped , play , Playing , &p::start_playback >,
258 a_row < Stopped , open_close , Open , &p::open_drawer >,
259 _row < Stopped , stop , Stopped >,
260 // +---------+-------------+---------+---------------------+----------------------+
261 g_row < Open , open_close , Empty , &p::can_close_drawer >,
262 Row < Open , play , none , Defer , none >,
263 // +---------+-------------+---------+---------------------+----------------------+
264 a_row < Empty , open_close , Open , &p::open_drawer >,
265 a_row < Empty , cd_detected , Stopped , &p::store_cd_info >,
266 Row < Empty , play , none , Defer , none >,
267 // +---------+-------------+---------+---------------------+----------------------+
268 a_row < Playing , stop , Stopped , &p::stop_playback >,
269 a_row < Playing , pause , Paused , &p::pause_playback >,
270 a_row < Playing , open_close , Open , &p::stop_and_open >,
271 // +---------+-------------+---------+---------------------+----------------------+
272 a_row < Paused , end_pause , Playing , &p::resume_playback >,
273 a_row < Paused , stop , Stopped , &p::stop_playback >,
274 a_row < Paused , open_close , Open , &p::stop_and_open >,
275 // +---------+-------------+---------+---------------------+----------------------+
276 a_row < AllOk , error_found ,ErrorMode, &p::report_error >,
277 a_row <ErrorMode, end_error ,AllOk , &p::report_end_error >,
278 _row < AllOk , do_terminate,ErrorTerminate >
279 // +---------+-------------+---------+---------------------+----------------------+
280 > {};
281
282 // Replaces the default no-transition response.
283 template <class FSM,class Event>
284 void no_transition(Event const& , FSM&,int)
285 {
286 BOOST_FAIL("no_transition called!");
287 }
288 // init counters
289 template <class Event,class FSM>
290 void on_entry(Event const&,FSM& fsm)
291 {
292 fsm.template get_state<player_::Stopped&>().entry_counter=0;
293 fsm.template get_state<player_::Stopped&>().exit_counter=0;
294 fsm.template get_state<player_::Open&>().entry_counter=0;
295 fsm.template get_state<player_::Open&>().exit_counter=0;
296 fsm.template get_state<player_::Empty&>().entry_counter=0;
297 fsm.template get_state<player_::Empty&>().exit_counter=0;
298 fsm.template get_state<player_::Playing&>().entry_counter=0;
299 fsm.template get_state<player_::Playing&>().exit_counter=0;
300 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song1&>().entry_counter=0;
301 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song1&>().exit_counter=0;
302 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song2&>().entry_counter=0;
303 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song2&>().exit_counter=0;
304 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song3&>().entry_counter=0;
305 fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song3&>().exit_counter=0;
306 fsm.template get_state<player_::Paused&>().entry_counter=0;
307 fsm.template get_state<player_::Paused&>().exit_counter=0;
308 fsm.template get_state<player_::AllOk&>().entry_counter=0;
309 fsm.template get_state<player_::AllOk&>().exit_counter=0;
310 fsm.template get_state<player_::ErrorMode&>().entry_counter=0;
311 fsm.template get_state<player_::ErrorMode&>().exit_counter=0;
312 fsm.template get_state<player_::ErrorTerminate&>().entry_counter=0;
313 fsm.template get_state<player_::ErrorTerminate&>().exit_counter=0;
314 }
315 };
316 // Pick a back-end
317 typedef msm::back::state_machine<player_> player;
318
319 //static char const* const state_names[] = { "Stopped", "Open", "Empty", "Playing", "Paused","AllOk","ErrorMode" };
320
321 BOOST_AUTO_TEST_CASE( my_test )
322 {
323 player p;
324 // needed to start the highest-level SM. This will call on_entry and mark the start of the SM
325 p.start();
326 // test deferred event
327 // deferred in Empty and Open, will be handled only after event cd_detected
328 p.process_event(evt: play());
329 BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
330 BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().exit_counter == 0,"Open exit not called correctly");
331 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 0,"Playing entry not called correctly");
332 BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 1,"Empty entry not called correctly");
333 //flags
334 BOOST_CHECK_MESSAGE(p.is_flag_active<CDLoaded>() == false,"CDLoaded should not be active");
335
336 p.process_event(evt: open_close());
337 BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Open should be active"); //Open
338 BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 1,"Empty exit not called correctly");
339 BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().entry_counter == 1,"Open entry not called correctly");
340
341 p.process_event(evt: open_close());
342 BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
343 BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().exit_counter == 1,"Open exit not called correctly");
344 BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 2,"Empty entry not called correctly");
345 BOOST_CHECK_MESSAGE(p.can_close_drawer_counter == 1,"guard not called correctly");
346
347 //deferred event should have been processed
348 p.process_event(evt: cd_detected("louie, louie"));
349 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
350 BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 2,"Empty exit not called correctly");
351 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 1,"Stopped entry not called correctly");
352 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 1,"Stopped exit not called correctly");
353 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 1,"Playing entry not called correctly");
354 BOOST_CHECK_MESSAGE(p.start_playback_counter == 1,"action not called correctly");
355 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 0,"Song1 should be active");
356 BOOST_CHECK_MESSAGE(
357 p.get_state<player_::Playing&>().get_state<player_::Playing::Song1&>().entry_counter == 1,
358 "Song1 entry not called correctly");
359
360 //flags
361 BOOST_CHECK_MESSAGE(p.is_flag_active<PlayingPaused>() == true,"PlayingPaused should be active");
362 BOOST_CHECK_MESSAGE(p.is_flag_active<FirstSongPlaying>() == true,"FirstSongPlaying should be active");
363
364
365 p.process_event(evt: NextSong());
366 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
367 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 1,"Song2 should be active");
368 BOOST_CHECK_MESSAGE(
369 p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().entry_counter == 1,
370 "Song2 entry not called correctly");
371 BOOST_CHECK_MESSAGE(
372 p.get_state<player_::Playing&>().get_state<player_::Playing::Song1&>().exit_counter == 1,
373 "Song1 exit not called correctly");
374 BOOST_CHECK_MESSAGE(
375 p.get_state<player_::Playing&>().start_next_song_counter == 0,
376 "submachine action not called correctly");
377
378 p.process_event(evt: NextSong());
379 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
380 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 2,"Song3 should be active");
381 BOOST_CHECK_MESSAGE(
382 p.get_state<player_::Playing&>().get_state<player_::Playing::Song3&>().entry_counter == 1,
383 "Song3 entry not called correctly");
384 BOOST_CHECK_MESSAGE(
385 p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().exit_counter == 1,
386 "Song2 exit not called correctly");
387 BOOST_CHECK_MESSAGE(
388 p.get_state<player_::Playing&>().start_next_song_counter == 1,
389 "submachine action not called correctly");
390
391 p.process_event(evt: PreviousSong());
392 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
393 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 1,"Song2 should be active");
394 BOOST_CHECK_MESSAGE(
395 p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().entry_counter == 2,
396 "Song2 entry not called correctly");
397 BOOST_CHECK_MESSAGE(
398 p.get_state<player_::Playing&>().get_state<player_::Playing::Song3&>().exit_counter == 1,
399 "Song3 exit not called correctly");
400 BOOST_CHECK_MESSAGE(
401 p.get_state<player_::Playing&>().start_prev_song_guard_counter == 1,
402 "submachine guard not called correctly");
403 //flags
404 BOOST_CHECK_MESSAGE(p.is_flag_active<PlayingPaused>() == true,"PlayingPaused should be active");
405 BOOST_CHECK_MESSAGE(p.is_flag_active<FirstSongPlaying>() == false,"FirstSongPlaying should not be active");
406
407 p.process_event(evt: pause());
408 BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
409 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 1,"Playing exit not called correctly");
410 BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().entry_counter == 1,"Paused entry not called correctly");
411 //flags
412 BOOST_CHECK_MESSAGE(p.is_flag_active<PlayingPaused>() == true,"PlayingPaused should be active");
413
414 // go back to Playing
415 p.process_event(evt: end_pause());
416 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
417 BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().exit_counter == 1,"Paused exit not called correctly");
418 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 2,"Playing entry not called correctly");
419
420 p.process_event(evt: pause());
421 BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
422 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 2,"Playing exit not called correctly");
423 BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().entry_counter == 2,"Paused entry not called correctly");
424
425 p.process_event(evt: stop());
426 BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
427 BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().exit_counter == 2,"Paused exit not called correctly");
428 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 2,"Stopped entry not called correctly");
429 //flags
430 BOOST_CHECK_MESSAGE(p.is_flag_active<PlayingPaused>() == false,"PlayingPaused should not be active");
431 BOOST_CHECK_MESSAGE(p.is_flag_active<CDLoaded>() == true,"CDLoaded should be active");
432 //BOOST_CHECK_MESSAGE(p.is_flag_active<CDLoaded,player::Flag_AND>() == false,"CDLoaded with AND should not be active");
433
434 p.process_event(evt: stop());
435 BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
436 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 2,"Stopped exit not called correctly");
437 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 3,"Stopped entry not called correctly");
438
439 //test interrupt
440 BOOST_CHECK_MESSAGE(p.current_state()[1] == 5,"AllOk should be active"); //AllOk
441 p.process_event(evt: error_found());
442 BOOST_CHECK_MESSAGE(p.current_state()[1] == 6,"ErrorMode should be active"); //ErrorMode
443 BOOST_CHECK_MESSAGE(p.get_state<player_::AllOk&>().exit_counter == 1,"AllOk exit not called correctly");
444 BOOST_CHECK_MESSAGE(p.get_state<player_::ErrorMode&>().entry_counter == 1,"ErrorMode entry not called correctly");
445
446 // try generating more events
447 p.process_event(evt: play());
448 BOOST_CHECK_MESSAGE(p.current_state()[1] == 6,"ErrorMode should be active"); //ErrorMode
449 BOOST_CHECK_MESSAGE(p.get_state<player_::AllOk&>().exit_counter == 1,"AllOk exit not called correctly");
450 BOOST_CHECK_MESSAGE(p.get_state<player_::ErrorMode&>().entry_counter == 1,"ErrorMode entry not called correctly");
451 BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
452 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 2,"Stopped exit not called correctly");
453 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 3,"Stopped entry not called correctly");
454
455 p.process_event(evt: end_error());
456 BOOST_CHECK_MESSAGE(p.current_state()[1] == 5,"AllOk should be active"); //AllOk
457 BOOST_CHECK_MESSAGE(p.get_state<player_::ErrorMode&>().exit_counter == 1,"ErrorMode exit not called correctly");
458 BOOST_CHECK_MESSAGE(p.get_state<player_::AllOk&>().entry_counter == 2,"AllOk entry not called correctly");
459
460 p.process_event(evt: play());
461 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
462 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 3,"Stopped exit not called correctly");
463 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 3,"Playing entry not called correctly");
464
465 //test terminate
466 BOOST_CHECK_MESSAGE(p.current_state()[1] == 5,"AllOk should be active"); //AllOk
467 p.process_event(evt: do_terminate());
468 BOOST_CHECK_MESSAGE(p.current_state()[1] == 7,"ErrorTerminate should be active"); //ErrorTerminate
469 BOOST_CHECK_MESSAGE(p.get_state<player_::AllOk&>().exit_counter == 2,"AllOk exit not called correctly");
470 BOOST_CHECK_MESSAGE(p.get_state<player_::ErrorTerminate&>().entry_counter == 1,"ErrorTerminate entry not called correctly");
471
472 // try generating more events
473 p.process_event(evt: stop());
474 BOOST_CHECK_MESSAGE(p.current_state()[1] == 7,"ErrorTerminate should be active"); //ErrorTerminate
475 BOOST_CHECK_MESSAGE(p.get_state<player_::ErrorTerminate&>().exit_counter == 0,"ErrorTerminate exit not called correctly");
476 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
477 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 2,"Playing exit not called correctly");
478 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 3,"Stopped entry not called correctly");
479
480 p.process_event(evt: end_error());
481 BOOST_CHECK_MESSAGE(p.current_state()[1] == 7,"ErrorTerminate should be active"); //ErrorTerminate
482 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
483 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 2,"Playing exit not called correctly");
484 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 3,"Stopped entry not called correctly");
485
486 p.process_event(evt: stop());
487 BOOST_CHECK_MESSAGE(p.current_state()[1] == 7,"ErrorTerminate should be active"); //ErrorTerminate
488 BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
489 BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 2,"Playing exit not called correctly");
490 BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 3,"Stopped entry not called correctly");
491
492 }
493}
494
495

source code of boost/libs/msm/test/OrthogonalDeferred2.cpp