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137 lines
7.0 KiB
C++
137 lines
7.0 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 <boost/msm/back11/state_machine.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 back11_simple_with_puml_test
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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 test_fct_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 -> Playing2 : play / TestFct,start_playback [DummyGuard]
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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 / close_drawer [can_close_drawer]
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Empty --> Open : open_close / open_drawer
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Empty ---> Stopped : cd_detected / store_cd_info2 [good_disk_format && always_true]
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Playing2 --> Stopped : stop / stop_playback
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Playing2 -> Paused : pause / pause_playback
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Playing2 --> Open : open_close / stop_and_open
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Paused -> Playing2 : end_pause / resume_playback2
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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 msm::back11::state_machine<player_> player;
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BOOST_AUTO_TEST_CASE( back11_simple_with_puml_test )
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{
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player p;
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p.start();
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Empty")>&>().entry_counter == 1, "Empty 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] == 1,"Open should be active"); //Open
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Empty")>&>().exit_counter == 1,"Empty exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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.get_state<State<by_name("Open")>&>().exit_counter == 1,"Open exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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.get_state<State<by_name("Open")>&>().exit_counter == 1,"Open exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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] == 3,"Playing2 should be active"); //Playing2
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Empty")>&>().exit_counter == 2,"Empty exit not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Stopped")>&>().entry_counter == 1,"Stopped entry not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Stopped")>&>().exit_counter == 1,"Stopped exit not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Playing2")>&>().entry_counter == 1,"Playing2 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.start_playback_counter == 1,"action not called correctly");
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BOOST_CHECK_MESSAGE(p.test_fct_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.get_state<State<by_name("Playing2")>&>().exit_counter == 1,"Playing2 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Paused")>&>().entry_counter == 1,"Paused entry not called correctly");
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// go back to Playing2
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p.process_event(Event<by_name("end_pause")>{});
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BOOST_CHECK_MESSAGE(p.current_state()[0] == 3,"Playing2 should be active"); //Playing2
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Paused")>&>().exit_counter == 1,"Paused exit not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Playing2")>&>().entry_counter == 2,"Playing2 entry not called correctly");
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BOOST_CHECK_MESSAGE(p.get_state<State<by_name("Playing2")>&>().event_counter == 1,"Playing2 event counter incorrect");
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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.get_state<State<by_name("Playing2")>&>().exit_counter == 2,"Playing2 exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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.get_state<State<by_name("Paused")>&>().exit_counter == 2,"Paused exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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.get_state<State<by_name("Stopped")>&>().exit_counter == 2,"Stopped exit not called correctly");
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BOOST_CHECK_MESSAGE(p.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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