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139 lines
6.3 KiB
C++
139 lines
6.3 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 <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_only_string_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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// note in the puml tests will be non-specialized types marked with _
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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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unsigned int entry_counter = 0;
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unsigned int exit_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 / 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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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_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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Playing_ : flag CDLoaded
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Playing_ : entry increment_entry [always_true]
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Playing_ : exit increment_exit [always_true]
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Paused_ : flag CDLoaded
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Stopped_ : flag CDLoaded
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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_only_string_puml_test)
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{
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player p;
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static_assert(msm::back11::get_number_of_regions<typename player::initial_state>::type::value == 1);
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static_assert(::boost::mpl::size<typename player::transition_table>::type::value == 12);
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p.start();
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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.is_flag_active<Flag<by_name("CDLoaded")>>() == false, "CDLoaded should not be active");
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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.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.entry_counter == 0, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.exit_counter == 0, "Playing exit 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,"Playing should be active"); //Playing
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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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BOOST_CHECK_MESSAGE(p.is_flag_active < Flag<by_name("CDLoaded")>>() == true, "CDLoaded should be active");
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BOOST_CHECK_MESSAGE(p.entry_counter == 1, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.exit_counter == 0, "Playing exit 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.is_flag_active < Flag<by_name("CDLoaded")>>() == true, "CDLoaded should be active");
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BOOST_CHECK_MESSAGE(p.entry_counter == 1, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.exit_counter == 1, "Playing exit 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.entry_counter == 2, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.exit_counter == 1, "Playing exit 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.entry_counter == 2, "Playing entry not called correctly");
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BOOST_CHECK_MESSAGE(p.exit_counter == 2, "Playing exit 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.is_flag_active < Flag<by_name("CDLoaded")>>() == true, "CDLoaded should be active");
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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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}
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}
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