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156 lines
8.3 KiB
C++
156 lines
8.3 KiB
C++
// Copyright 2024 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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// 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/puml/puml.hpp>
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#include "PumlCommon.hpp"
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#ifndef BOOST_MSM_NONSTANDALONE_TEST
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#define BOOST_TEST_MODULE simple_internal_with_puml
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#endif
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#include <boost/test/unit_test.hpp>
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using namespace std;
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namespace msm = boost::msm;
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using namespace msm::front;
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using namespace msm::front::puml;
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namespace
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{
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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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unsigned int start_playback_counter=0;
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unsigned int can_close_drawer_counter=0;
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unsigned int internal_action_counter=0;
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unsigned int internal_guard_counter=0;
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BOOST_MSM_PUML_DECLARE_TABLE(
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R"(
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@startuml Player
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skinparam linetype polyline
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state Player{
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[*]-> Empty
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Stopped -> Playing : play / start_playback
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Stopped -> Open : open_close / open_drawer
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Stopped -> Stopped : stop
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Open -> Empty : open_close [can_close_drawer]
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Empty --> Open : open_close / open_drawer
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Empty ---> Stopped : cd_detected / store_cd_info [good_disk_format]
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Empty -> Empty : -internal_evt / internal_action [internal_guard2]
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Empty -> Empty : -to_ignore
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Empty -> Empty : -cd_detected [internal_guard]
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Empty -> Empty : -internal_evt / internal_action_fct [internal_guard_fct]
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Playing --> Stopped : stop / stop_playback
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Playing -> Paused : pause / pause_playback
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Playing --> Open : open_close / stop_and_open
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Paused -> Playing : end_pause / resume_playback
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Paused --> Stopped : stop / stop_playback
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Paused --> Open : open_close / stop_and_open
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}
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@enduml
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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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};
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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( simple_internal_with_puml_test, player, players )
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{
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player p;
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p.start();
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().entry_counter == 1, "Empty entry not called correctly");
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// internal events
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p.process_event(Event<by_name("to_ignore")>{});
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p.process_event(Event<by_name("internal_evt")>{});
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BOOST_CHECK_MESSAGE(p.internal_action_counter == 1, "Internal action not called correctly");
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BOOST_CHECK_MESSAGE(p.internal_guard_counter == 1, "Internal guard not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().empty_internal_action_counter == 0, "Empty internal action not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().empty_internal_guard_counter == 1, "Empty internal guard not called correctly");
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p.process_event(Event<by_name("open_close")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Open should be active"); //Open
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().exit_counter == 1,"Empty exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Open")>&>().entry_counter == 1,"Open entry not called correctly");
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p.process_event(Event<by_name("open_close")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Open")>&>().exit_counter == 1,"Open exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().entry_counter == 2,"Empty entry not called correctly");
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BOOST_CHECK_MESSAGE(p.can_close_drawer_counter == 1,"guard not called correctly");
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p.process_event(Event<by_name("cd_detected")>{"louie, louie", DISK_DVD});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"Empty should be active"); //Empty
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Open")>&>().exit_counter == 1,"Open exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().entry_counter == 2,"Empty entry not called correctly");
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p.process_event(Event<by_name("cd_detected")>{"louie, louie", DISK_CD});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 0, "Stopped should be active"); //Stopped
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Empty")>&>().exit_counter == 2,"Empty exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().entry_counter == 1,"Stopped entry not called correctly");
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BOOST_CHECK_MESSAGE(p.internal_guard_counter == 3, "Internal guard not called correctly");
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p.process_event(Event<by_name("play")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 3, "Playing should be active"); //Playing
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().exit_counter == 1, "Stopped exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Playing")>&>().entry_counter == 1, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.start_playback_counter == 1, "action not called correctly");
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p.process_event(Event<by_name("pause")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 4, "Paused should be active"); //Paused
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().exit_counter == 1, "Playing exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Paused")>&>().entry_counter == 1, "Paused entry not called correctly");
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// go back to Playing
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p.process_event(Event<by_name("end_pause")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing should be active"); //Playing
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Paused")>&>().exit_counter == 1,"Paused exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Playing")>&>().entry_counter == 2,"Playing entry not called correctly");
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p.process_event(Event<by_name("pause")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Paused should be active"); //Paused
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Playing")>&>().exit_counter == 2,"Playing exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Paused")>&>().entry_counter == 2,"Paused entry not called correctly");
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p.process_event(Event<by_name("stop")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Paused")>&>().exit_counter == 2,"Paused exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().entry_counter == 2,"Stopped entry not called correctly");
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p.process_event(Event<by_name("stop")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"Stopped should be active"); //Stopped
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().exit_counter == 2,"Stopped exit not called correctly");
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BOOST_CHECK_MESSAGE(p.template get_state<State<by_name("Stopped")>&>().entry_counter == 3,"Stopped entry not called correctly");
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}
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}
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