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171 lines
8.5 KiB
C++
171 lines
8.5 KiB
C++
// Copyright 2010 Christophe Henry
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// henry UNDERSCORE christophe AT hotmail DOT com
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// This is an extended version of the state machine available in the boost::mpl library
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// Distributed under the same license as the original.
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// Copyright for the original version:
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// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
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// under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Event deferral behaves differently in backmp11
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#define BOOST_MSM_TEST_SKIP_BACKMP11
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// back-end
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#include "BackCommon.hpp"
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//front-end
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#include <boost/msm/front/state_machine_def.hpp>
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#include <boost/msm/front/functor_row.hpp>
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#ifndef BOOST_MSM_NONSTANDALONE_TEST
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#define BOOST_TEST_MODULE TestDeferIn2Regions
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#endif
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#include <boost/test/unit_test.hpp>
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namespace msm = boost::msm;
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namespace mpl = boost::mpl;
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using namespace boost::msm::front;
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namespace
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{
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// events
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struct event1 {};
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struct event2 {};
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struct event3 {};
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struct eventd {};
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// front-end: define the FSM structure
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struct player_ : public msm::front::state_machine_def<player_>
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{
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// The list of FSM states
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struct State11 : public msm::front::state<>
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{
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& ) {++entry_counter;}
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template <class Event,class FSM>
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void on_exit(Event const&,FSM& ) {++exit_counter;}
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int entry_counter;
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int exit_counter;
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};
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struct State12 : public msm::front::state<>
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{
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typedef boost::fusion::vector<eventd> deferred_events;
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& ) {++entry_counter;}
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template <class Event,class FSM>
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void on_exit(Event const&,FSM& ) {++exit_counter;}
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int entry_counter;
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int exit_counter;
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};
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struct State13 : public msm::front::state<>
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{
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& ) {++entry_counter;}
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template <class Event,class FSM>
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void on_exit(Event const&,FSM& ) {++exit_counter;}
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int entry_counter;
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int exit_counter;
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};
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struct State21 : public msm::front::state<>
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{
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& ) {++entry_counter;}
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template <class Event,class FSM>
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void on_exit(Event const&,FSM& ) {++exit_counter;}
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int entry_counter;
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int exit_counter;
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};
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struct State22 : public msm::front::state<>
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{
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& ) {++entry_counter;}
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template <class Event,class FSM>
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void on_exit(Event const&,FSM& ) {++exit_counter;}
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int entry_counter;
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int exit_counter;
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};
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// the initial state of the player SM. Must be defined
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typedef boost::fusion::vector<State11,State21> initial_state;
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// Transition table for player
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struct transition_table : boost::fusion::vector<
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// Start Event Next Action Guard
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// +---------+-------------+---------+---------------------+----------------------+
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Row < State11 , event1 , State12 >,
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Row < State12 , event2 , State13 >,
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Row < State21 , event3 , State22 >,
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Row < State22 , eventd , State21 >
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// +---------+-------------+---------+---------------------+----------------------+
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> {};
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// Replaces the default no-transition response.
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template <class FSM,class Event>
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void no_transition(Event const& , FSM&,int )
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{
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BOOST_FAIL("no_transition called!");
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}
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// init counters
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template <class Event,class FSM>
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void on_entry(Event const&,FSM& fsm)
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{
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fsm.template get_state<player_::State11&>().entry_counter=0;
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fsm.template get_state<player_::State11&>().exit_counter=0;
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fsm.template get_state<player_::State12&>().entry_counter=0;
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fsm.template get_state<player_::State12&>().exit_counter=0;
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fsm.template get_state<player_::State13&>().entry_counter=0;
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fsm.template get_state<player_::State13&>().exit_counter=0;
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fsm.template get_state<player_::State21&>().entry_counter=0;
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fsm.template get_state<player_::State22&>().exit_counter=0;
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}
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};
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// Pick a back-end
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typedef get_test_machines<player_> players;
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BOOST_AUTO_TEST_CASE_TEMPLATE(TestDeferIn2Regions, player, players)
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{
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player p;
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// needed to start the highest-level SM. This will call on_entry and mark the start of the SM
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p.start();
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p.process_event(event1());
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"State12 should be active");
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BOOST_CHECK_MESSAGE(p.current_state()[1] == 2,"State21 should be active");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State11&>().exit_counter == 1,"State11 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State11&>().entry_counter == 1,"State11 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State12&>().entry_counter == 1,"State12 entry not called correctly");
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// deferred
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p.process_event(eventd());
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"State12 should be active");
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BOOST_CHECK_MESSAGE(p.current_state()[1] == 2,"State21 should be active");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State11&>().exit_counter == 1,"State11 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State11&>().entry_counter == 1,"State11 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State12&>().entry_counter == 1,"State12 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State12&>().exit_counter == 0,"State12 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().exit_counter == 0,"State21 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().entry_counter == 1,"State21 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().exit_counter == 0,"State22 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().entry_counter == 0,"State22 entry not called correctly");
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p.process_event(event3());
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"State12 should be active");
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BOOST_CHECK_MESSAGE(p.current_state()[1] == 2,"State21 should be active");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().exit_counter == 1,"State21 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().entry_counter == 2,"State21 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().exit_counter == 1,"State22 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().entry_counter == 1,"State22 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.get_deferred_queue().size() == 1,"Deferred queue should have one element");
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p.clear_deferred_queue();
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p.process_event(event2());
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"State13 should be active");
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BOOST_CHECK_MESSAGE(p.current_state()[1] == 2,"State21 should be active");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().exit_counter == 1,"State21 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State21&>().entry_counter == 2,"State21 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().exit_counter == 1,"State22 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<player_::State22&>().entry_counter == 1,"State22 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.get_deferred_queue().size() == 0,"Deferred queue should have no element");
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}
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}
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