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Subject: [Boost-commit] svn:boost r65560 - trunk/libs/msm/test
From: christophe.j.henry_at_[hidden]
Date: 2010-09-23 16:03:39

Author: chenry
Date: 2010-09-23 16:03:28 EDT (Thu, 23 Sep 2010)
New Revision: 65560
URL: http://svn.boost.org/trac/boost/changeset/65560

Log:
added test cases for serialization
Added:
   trunk/libs/msm/test/Serialize.cpp (contents, props changed)
   trunk/libs/msm/test/SerializeSimpleEuml.cpp (contents, props changed)
   trunk/libs/msm/test/SerializeWithHistory.cpp (contents, props changed)
Text files modified:
   trunk/libs/msm/test/Jamfile.v2 | 3 +++
   1 files changed, 3 insertions(+), 0 deletions(-)

Modified: trunk/libs/msm/test/Jamfile.v2
==============================================================================
--- trunk/libs/msm/test/Jamfile.v2 (original)
+++ trunk/libs/msm/test/Jamfile.v2 2010-09-23 16:03:28 EDT (Thu, 23 Sep 2010)
@@ -40,5 +40,8 @@
     [ run SimpleInternalFunctors.cpp ]
     [ run SimpleMachine.cpp ]
     [ run SimpleWithFunctors.cpp ]
+ [ run Serialize.cpp ]
+ [ run SerializeWithHistory.cpp ]
+ [ run SerializeSimpleEuml.cpp ]
     ;
 

Added: trunk/libs/msm/test/Serialize.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/msm/test/Serialize.cpp 2010-09-23 16:03:28 EDT (Thu, 23 Sep 2010)
@@ -0,0 +1,309 @@
+// 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>
+// back-end
+#include <boost/msm/back/state_machine.hpp>
+//front-end
+#include <boost/msm/front/state_machine_def.hpp>
+#define BOOST_TEST_MODULE MyTest
+#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 <fstream>
+
+namespace msm = boost::msm;
+namespace mpl = boost::mpl;
+
+namespace
+{
+ // events
+ struct play {};
+ struct end_pause {};
+ struct stop {};
+ struct pause {};
+ struct open_close {};
+
+ // A "complicated" event type that carries some data.
+ enum DiskTypeEnum
+ {
+ DISK_CD=0,
+ DISK_DVD=1
+ };
+ struct cd_detected
+ {
+ cd_detected(std::string name, DiskTypeEnum diskType)
+ : name(name),
+ disc_type(diskType)
+ {}
+
+ std::string name;
+ DiskTypeEnum disc_type;
+ };
+
+ // front-end: define the FSM structure
+ struct player_ : public msm::front::state_machine_def<player_>
+ {
+ unsigned int start_playback_counter;
+ unsigned int can_close_drawer_counter;
+ int front_end_data;
+
+ player_():
+ start_playback_counter(0),
+ can_close_drawer_counter(0),
+ front_end_data(4)
+ {}
+
+ //we want to serialize some data contained by the front-end
+ // to achieve this, ask for it
+ typedef int do_serialize;
+ // and provide a serialize
+ template<class Archive>
+ void serialize(Archive & ar, const unsigned int )
+ {
+ ar & front_end_data;
+ }
+
+ // The list of FSM states
+ struct Empty : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ int some_dummy_data;
+ // we want Empty to be serialized
+ typedef int do_serialize;
+ template<class Archive>
+ void serialize(Archive & ar, const unsigned int )
+ {
+ ar & some_dummy_data;
+ }
+
+ };
+ struct Open : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ // sm_ptr still supported but deprecated as functors are a much better way to do the same thing
+ struct Stopped : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ struct Playing : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ // state not defining any entry or exit
+ struct Paused : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ // the initial state of the player SM. Must be defined
+ typedef Empty initial_state;
+
+ // transition actions
+ void start_playback(play const&) {++start_playback_counter; }
+ void open_drawer(open_close const&) { }
+ void store_cd_info(cd_detected const&) { }
+ void stop_playback(stop const&) { }
+ void pause_playback(pause const&) { }
+ void resume_playback(end_pause const&) { }
+ void stop_and_open(open_close const&) { }
+ void stopped_again(stop const&){}
+ // guard conditions
+ bool good_disk_format(cd_detected const& evt)
+ {
+ // to test a guard condition, let's say we understand only CDs, not DVD
+ if (evt.disc_type != DISK_CD)
+ {
+ return false;
+ }
+ return true;
+ }
+ bool can_close_drawer(open_close const&)
+ {
+ ++can_close_drawer_counter;
+ return true;
+ }
+
+ typedef player_ p; // makes transition table cleaner
+
+ // Transition table for player
+ struct transition_table : mpl::vector<
+ // Start Event Next Action Guard
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Stopped , play , Playing , &p::start_playback >,
+ a_row < Stopped , open_close , Open , &p::open_drawer >,
+ _row < Stopped , stop , Stopped >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ g_row < Open , open_close , Empty , &p::can_close_drawer >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Empty , open_close , Open , &p::open_drawer >,
+ row < Empty , cd_detected , Stopped , &p::store_cd_info ,&p::good_disk_format >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Playing , stop , Stopped , &p::stop_playback >,
+ a_row < Playing , pause , Paused , &p::pause_playback >,
+ a_row < Playing , open_close , Open , &p::stop_and_open >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Paused , end_pause , Playing , &p::resume_playback >,
+ a_row < Paused , stop , Stopped , &p::stop_playback >,
+ a_row < Paused , open_close , Open , &p::stop_and_open >
+ // +---------+-------------+---------+---------------------+----------------------+
+ > {};
+ // Replaces the default no-transition response.
+ template <class FSM,class Event>
+ void no_transition(Event const& , FSM&,int)
+ {
+ BOOST_FAIL("no_transition called!");
+ }
+ // init counters
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& fsm)
+ {
+ fsm.template get_state<player_::Stopped&>().entry_counter=0;
+ fsm.template get_state<player_::Stopped&>().exit_counter=0;
+ fsm.template get_state<player_::Open&>().entry_counter=0;
+ fsm.template get_state<player_::Open&>().exit_counter=0;
+ fsm.template get_state<player_::Empty&>().entry_counter=0;
+ fsm.template get_state<player_::Empty&>().exit_counter=0;
+ fsm.template get_state<player_::Empty&>().some_dummy_data=3;
+ fsm.template get_state<player_::Playing&>().entry_counter=0;
+ fsm.template get_state<player_::Playing&>().exit_counter=0;
+ fsm.template get_state<player_::Paused&>().entry_counter=0;
+ fsm.template get_state<player_::Paused&>().exit_counter=0;
+ }
+
+ };
+ // Pick a back-end
+ typedef msm::back::state_machine<player_> player;
+
+// static char const* const state_names[] = { "Stopped", "Open", "Empty", "Playing", "Paused" };
+
+
+ BOOST_AUTO_TEST_CASE( my_test )
+ {
+ player p;
+
+ p.start();
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 1,"Empty entry not called correctly");
+
+ p.process_event(open_close());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Open should be active"); //Open
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 1,"Empty exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().entry_counter == 1,"Open entry not called correctly");
+
+ // test the serialization
+ std::ofstream ofs("fsm.txt");
+ // save fsm to archive (current state is Open)
+ {
+ boost::archive::text_oarchive oa(ofs);
+ // write class instance to archive
+ oa << p;
+ }
+ // reload fsm in state Open
+ player p2;
+ {
+ // create and open an archive for input
+ std::ifstream ifs("fsm.txt");
+ boost::archive::text_iarchive ia(ifs);
+ // read class state from archive
+ ia >> p2;
+ }
+ // we now use p2 as it was loaded
+ // check that we kept Empty's data value
+ BOOST_CHECK_MESSAGE(p2.get_state<player_::Empty&>().some_dummy_data == 3,"Empty not deserialized correctly");
+ BOOST_CHECK_MESSAGE(p2.front_end_data == 4,"Front-end not deserialized correctly");
+
+ p.process_event(open_close());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().exit_counter == 1,"Open exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 2,"Empty entry not called correctly");
+ BOOST_CHECK_MESSAGE(p.can_close_drawer_counter == 1,"guard not called correctly");
+
+ p.process_event(
+ cd_detected("louie, louie",DISK_DVD));
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().exit_counter == 1,"Open exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 2,"Empty entry not called correctly");
+
+ p.process_event(
+ cd_detected("louie, louie",DISK_CD));
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 2,"Empty exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 1,"Stopped entry not called correctly");
+
+ p.process_event(play());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 1,"Stopped exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 1,"Playing entry not called correctly");
+ BOOST_CHECK_MESSAGE(p.start_playback_counter == 1,"action not called correctly");
+
+ p.process_event(pause());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 1,"Playing exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().entry_counter == 1,"Paused entry not called correctly");
+
+ // go back to Playing
+ p.process_event(end_pause());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().exit_counter == 1,"Paused exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 2,"Playing entry not called correctly");
+
+ p.process_event(pause());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 2,"Playing exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().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<player_::Paused&>().exit_counter == 2,"Paused exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().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<player_::Stopped&>().exit_counter == 2,"Stopped exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().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)
+

Added: trunk/libs/msm/test/SerializeSimpleEuml.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/msm/test/SerializeSimpleEuml.cpp 2010-09-23 16:03:28 EDT (Thu, 23 Sep 2010)
@@ -0,0 +1,214 @@
+// 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>
+
+#define BOOST_TEST_MODULE MyTest
+#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 <fstream>
+
+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::ofstream ofs("fsm.txt");
+ // 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::ifstream ifs("fsm.txt");
+ 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)

Added: trunk/libs/msm/test/SerializeWithHistory.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/msm/test/SerializeWithHistory.cpp 2010-09-23 16:03:28 EDT (Thu, 23 Sep 2010)
@@ -0,0 +1,365 @@
+// 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>
+// back-end
+#include <boost/msm/back/state_machine.hpp>
+//front-end
+#include <boost/msm/front/state_machine_def.hpp>
+#define BOOST_TEST_MODULE MyTest
+#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 <fstream>
+
+namespace msm = boost::msm;
+namespace mpl = boost::mpl;
+
+namespace
+{
+ // events
+ struct play {};
+ struct end_pause {};
+ struct stop {};
+ struct pause {};
+ struct open_close {};
+ struct NextSong {};
+ struct PreviousSong {};
+ struct cd_detected
+ {
+ cd_detected(std::string name)
+ : name(name)
+ {}
+ std::string name;
+ };
+
+ // front-end: define the FSM structure
+ struct player_ : public msm::front::state_machine_def<player_>
+ {
+ unsigned int start_playback_counter;
+ unsigned int can_close_drawer_counter;
+
+ player_():
+ start_playback_counter(0),
+ can_close_drawer_counter(0)
+ {}
+ // The list of FSM states
+ struct Empty : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+ struct Open : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ // sm_ptr still supported but deprecated as functors are a much better way to do the same thing
+ struct Stopped : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ struct Playing_ : public msm::front::state_machine_def<Playing_>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ unsigned int start_next_song_counter;
+ unsigned int start_prev_song_guard_counter;
+
+ Playing_():
+ start_next_song_counter(0),
+ start_prev_song_guard_counter(0)
+ {}
+
+ // The list of FSM states
+ struct Song1 : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+ struct Song2 : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+ struct Song3 : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+ // the initial state. Must be defined
+ typedef Song1 initial_state;
+ // transition actions
+ void start_next_song(NextSong const&) {++start_next_song_counter; }
+ void start_prev_song(PreviousSong const&) { }
+ // guard conditions
+ bool start_prev_song_guard(PreviousSong const&) {++start_prev_song_guard_counter;return true; }
+
+ typedef Playing_ pl; // makes transition table cleaner
+ // Transition table for Playing
+ struct transition_table : mpl::vector4<
+ // Start Event Next Action Guard
+ // +---------+-------------+---------+---------------------+----------------------+
+ _row < Song1 , NextSong , Song2 >,
+ row < Song2 , PreviousSong, Song1 , &pl::start_prev_song,&pl::start_prev_song_guard>,
+ a_row < Song2 , NextSong , Song3 , &pl::start_next_song >,
+ g_row < Song3 , PreviousSong, Song2 ,&pl::start_prev_song_guard>
+ // +---------+-------------+---------+---------------------+----------------------+
+ > {};
+ // Replaces the default no-transition response.
+ template <class FSM,class Event>
+ void no_transition(Event const&, FSM&,int)
+ {
+ BOOST_FAIL("no_transition called!");
+ }
+ };
+ // back-end
+ typedef msm::back::state_machine<Playing_,msm::back::ShallowHistory<mpl::vector<end_pause> > > Playing;
+
+ // state not defining any entry or exit
+ struct Paused : public msm::front::state<>
+ {
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& ) {++entry_counter;}
+ template <class Event,class FSM>
+ void on_exit(Event const&,FSM& ) {++exit_counter;}
+ int entry_counter;
+ int exit_counter;
+ };
+
+ // the initial state of the player SM. Must be defined
+ typedef Empty initial_state;
+
+ // transition actions
+ void start_playback(play const&) {++start_playback_counter; }
+ void open_drawer(open_close const&) { }
+ void store_cd_info(cd_detected const&) { }
+ void stop_playback(stop const&) { }
+ void pause_playback(pause const&) { }
+ void resume_playback(end_pause const&) { }
+ void stop_and_open(open_close const&) { }
+ void stopped_again(stop const&) {}
+ //guards
+ bool can_close_drawer(open_close const&)
+ {
+ ++can_close_drawer_counter;
+ return true;
+ }
+
+
+ typedef player_ p; // makes transition table cleaner
+
+ // Transition table for player
+ struct transition_table : mpl::vector<
+ // Start Event Next Action Guard
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Stopped , play , Playing , &p::start_playback >,
+ a_row < Stopped , open_close , Open , &p::open_drawer >,
+ _row < Stopped , stop , Stopped >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ g_row < Open , open_close , Empty , &p::can_close_drawer >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Empty , open_close , Open , &p::open_drawer >,
+ a_row < Empty , cd_detected , Stopped , &p::store_cd_info >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Playing , stop , Stopped , &p::stop_playback >,
+ a_row < Playing , pause , Paused , &p::pause_playback >,
+ a_row < Playing , open_close , Open , &p::stop_and_open >,
+ // +---------+-------------+---------+---------------------+----------------------+
+ a_row < Paused , end_pause , Playing , &p::resume_playback >,
+ a_row < Paused , stop , Stopped , &p::stop_playback >,
+ a_row < Paused , open_close , Open , &p::stop_and_open >
+ // +---------+-------------+---------+---------------------+----------------------+
+ > {};
+ // Replaces the default no-transition response.
+ template <class FSM,class Event>
+ void no_transition(Event const& e, FSM&,int state)
+ {
+ BOOST_FAIL("no_transition called!");
+ }
+ // init counters
+ template <class Event,class FSM>
+ void on_entry(Event const&,FSM& fsm)
+ {
+ fsm.template get_state<player_::Stopped&>().entry_counter=0;
+ fsm.template get_state<player_::Stopped&>().exit_counter=0;
+ fsm.template get_state<player_::Open&>().entry_counter=0;
+ fsm.template get_state<player_::Open&>().exit_counter=0;
+ fsm.template get_state<player_::Empty&>().entry_counter=0;
+ fsm.template get_state<player_::Empty&>().exit_counter=0;
+ fsm.template get_state<player_::Playing&>().entry_counter=0;
+ fsm.template get_state<player_::Playing&>().exit_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song1&>().entry_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song1&>().exit_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song2&>().entry_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song2&>().exit_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song3&>().entry_counter=0;
+ fsm.template get_state<player_::Playing&>().template get_state<player_::Playing::Song3&>().exit_counter=0;
+ fsm.template get_state<player_::Paused&>().entry_counter=0;
+ fsm.template get_state<player_::Paused&>().exit_counter=0;
+ }
+
+ };
+ // Pick a back-end
+ typedef msm::back::state_machine<player_> player;
+
+// static char const* const state_names[] = { "Stopped", "Open", "Empty", "Playing", "Paused" };
+
+
+ BOOST_AUTO_TEST_CASE( my_test )
+ {
+ player p;
+
+ p.start();
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 1,"Empty entry not called correctly");
+
+ p.process_event(open_close());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Open should be active"); //Open
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 1,"Empty exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().entry_counter == 1,"Open entry not called correctly");
+
+ p.process_event(open_close());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Open&>().exit_counter == 1,"Open exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().entry_counter == 2,"Empty entry not called correctly");
+ BOOST_CHECK_MESSAGE(p.can_close_drawer_counter == 1,"guard not called correctly");
+
+ p.process_event(cd_detected("louie, louie"));
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Empty&>().exit_counter == 2,"Empty exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().entry_counter == 1,"Stopped entry not called correctly");
+
+ p.process_event(play());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Stopped&>().exit_counter == 1,"Stopped exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().entry_counter == 1,"Playing entry not called correctly");
+ BOOST_CHECK_MESSAGE(p.start_playback_counter == 1,"action not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 0,"Song1 should be active");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song1&>().entry_counter == 1,
+ "Song1 entry not called correctly");
+
+ p.process_event(NextSong());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 1,"Song2 should be active");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().entry_counter == 1,
+ "Song2 entry not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song1&>().exit_counter == 1,
+ "Song1 exit not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().start_next_song_counter == 0,
+ "submachine action not called correctly");
+
+ p.process_event(NextSong());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 2,"Song3 should be active");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song3&>().entry_counter == 1,
+ "Song3 entry not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().exit_counter == 1,
+ "Song2 exit not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().start_next_song_counter == 1,
+ "submachine action not called correctly");
+
+ p.process_event(PreviousSong());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().current_state()[0] == 1,"Song2 should be active");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song2&>().entry_counter == 2,
+ "Song2 entry not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().get_state<player_::Playing::Song3&>().exit_counter == 1,
+ "Song3 exit not called correctly");
+ BOOST_CHECK_MESSAGE(
+ p.get_state<player_::Playing&>().start_prev_song_guard_counter == 1,
+ "submachine guard not called correctly");
+
+ p.process_event(pause());
+ BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Playing&>().exit_counter == 1,"Playing exit not called correctly");
+ BOOST_CHECK_MESSAGE(p.get_state<player_::Paused&>().entry_counter == 1,"Paused entry not called correctly");
+
+ std::ofstream ofs("fsm.txt");
+ // save fsm to archive (current state is Pause, Playing is in Song2)
+ {
+ boost::archive::text_oarchive oa(ofs);
+ // write class instance to archive
+ oa << p;
+ }
+ // reload fsm in state Open
+ player p2;
+ {
+ // create and open an archive for input
+ std::ifstream ifs("fsm.txt");
+ boost::archive::text_iarchive ia(ifs);
+ // read class state from archive
+ ia >> p2;
+ }
+ // go back to Playing
+ p2.process_event(end_pause());
+ BOOST_CHECK_MESSAGE(p2.current_state()[0] == 3,"Playing should be active"); //Playing
+ BOOST_CHECK_MESSAGE(p2.get_state<player_::Playing&>().current_state()[0] == 1,"Song2 should be active");
+
+ p2.process_event(pause());
+ BOOST_CHECK_MESSAGE(p2.current_state()[0] == 4,"Paused should be active"); //Paused
+
+ p2.process_event(stop());
+ BOOST_CHECK_MESSAGE(p2.current_state()[0] == 0,"Stopped should be active"); //Stopped
+
+ p2.process_event(stop());
+ BOOST_CHECK_MESSAGE(p2.current_state()[0] == 0,"Stopped should be active"); //Stopped
+
+ p2.process_event(play());
+ BOOST_CHECK_MESSAGE(p2.get_state<player_::Playing&>().current_state()[0] == 0,"Song1 should be active");
+ }
+}
+// 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)
+

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