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2d87fa9145
First version of the backmp11 backend. Contains: - favor_runtime_speed policy that mainly replaces MPL with Mp11 - favor_compile_time that uses a new mechanism with dispatch tables per state
110 lines
3.6 KiB
C++
110 lines
3.6 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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#include <iostream>
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#ifdef __APPLE__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-variable"
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#endif
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#include "BackCommon.hpp"
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#include <boost/msm/front/euml/common.hpp>
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#include <boost/msm/front/functor_row.hpp>
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#include <boost/msm/front/state_machine_def.hpp>
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#ifdef __APPLE__
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#pragma clang diagnostic pop
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#endif
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#ifndef BOOST_MSM_NONSTANDALONE_TEST
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#define BOOST_TEST_MODULE anonymous_and_guard_test
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#endif
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#include <boost/test/unit_test.hpp>
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namespace bmf = boost::msm::front;
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// events
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struct success {
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success(size_t value) : value(value) {}
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size_t value;
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};
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struct failure {
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};
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// frontend
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struct Bug : public bmf::state_machine_def<Bug> {
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// list of FSM states
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struct Init : public bmf::state<> {
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};
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struct Idle : public bmf::state<> {
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};
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struct Completed : public bmf::terminate_state<> {
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};
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// defines an orthogonal region
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struct Running : public bmf::state<> {
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};
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// actions
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struct log_action {
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template<class Event, class FSM, class SourceState, class TargetState>
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void operator()(const Event&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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// guards
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struct validate {
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template<class Event, class FSM, class SourceState, class TargetState>
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bool operator()(const Event& e, FSM&, SourceState&, TargetState&)
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{
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return e.value > 0;
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}
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};
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// state machine properties
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typedef boost::mpl::vector2<Running, Init> initial_state;
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// Transition table for traceroute
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struct transition_table : boost::mpl::vector<
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// Start Event Next Action Guard
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// +----------+---------------+-----------+------------------------+--------------------+
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bmf::Row< Running, success, bmf::none, log_action, validate >,
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// +---------+-------------+---------+---------------------------+----------------------+
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bmf::Row< Init, success, Idle, log_action, bmf::none >,
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bmf::Row< Init, failure, Idle, log_action, bmf::none >,
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bmf::Row< Idle, bmf::none, Completed, log_action, bmf::none >
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// +---------+-------------+---------+---------------------------+----------------------+
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> {};
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};
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// backend
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typedef get_test_machines<Bug> MyStateMachines;
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BOOST_AUTO_TEST_CASE_TEMPLATE(anonymous_and_guard_test1, MyStateMachine, MyStateMachines)
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{
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MyStateMachine sm;
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sm.start();
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sm.process_event(success(0));
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BOOST_CHECK_MESSAGE(sm.current_state()[0] == 0, "Running should be active");
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BOOST_CHECK_MESSAGE(sm.current_state()[1] == 3, "Completed should be active");
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE(anonymous_and_guard_test2, MyStateMachine, MyStateMachines)
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{
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MyStateMachine sm;
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sm.start();
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sm.process_event(success(1));
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BOOST_CHECK_MESSAGE(sm.current_state()[0] == 0, "Running should be active");
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BOOST_CHECK_MESSAGE(sm.current_state()[1] == 3, "Completed should be active");
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}
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using backmp11_fsm = boost::msm::backmp11::state_machine<Bug, boost::msm::backmp11::favor_compile_time>;
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BOOST_MSM_BACKMP11_GENERATE_DISPATCH_TABLE(backmp11_fsm); |