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Diffstat (limited to 'src/boost/libs/msm/test/TestDeferAndMessageQueue.cpp')
| -rw-r--r-- | src/boost/libs/msm/test/TestDeferAndMessageQueue.cpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/boost/libs/msm/test/TestDeferAndMessageQueue.cpp b/src/boost/libs/msm/test/TestDeferAndMessageQueue.cpp new file mode 100644 index 000000000..767f5883a --- /dev/null +++ b/src/boost/libs/msm/test/TestDeferAndMessageQueue.cpp @@ -0,0 +1,194 @@ +// Copyright 2010 Christophe Henry +// henry UNDERSCORE christophe AT hotmail DOT com +// This is an extended version of the state machine available in the boost::mpl library +// Distributed under the same license as the original. +// Copyright for the original version: +// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed +// under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <iostream> +// back-end +#include <boost/msm/back/state_machine.hpp> +//front-end +#include <boost/msm/front/state_machine_def.hpp> +#include <boost/msm/front/functor_row.hpp> + +#include <boost/test/unit_test.hpp> + +namespace msm = boost::msm; +namespace mpl = boost::mpl; +using namespace boost::msm::front; + +namespace +{ + // events + struct eventResolve {}; + struct eventConnect {}; + struct eventResolved {}; + struct eventRead {}; + struct eventd {}; + + + // front-end: define the FSM structure + struct player_ : public msm::front::state_machine_def<player_> + { + player_() + :expected_action_counter(0) + {} + + struct enqueue_action1 + { + template <class EVT,class FSM,class SourceState,class TargetState> + void operator()(EVT const& ,FSM& fsm,SourceState& ,TargetState& ) + { + fsm.template process_event(eventResolve()); + } + }; + struct enqueue_action2 + { + template <class EVT,class FSM,class SourceState,class TargetState> + void operator()(EVT const& ,FSM& fsm,SourceState& ,TargetState& ) + { + fsm.template process_event(eventConnect()); + } + }; + struct expected_action + { + template <class EVT,class FSM,class SourceState,class TargetState> + void operator()(EVT const& ,FSM& fsm,SourceState& ,TargetState& ) + { + ++fsm.expected_action_counter; + //std::cout << "expected action called" << std::endl; + } + }; + struct unexpected_action + { + template <class EVT,class FSM,class SourceState,class TargetState> + void operator()(EVT const& ,FSM& fsm,SourceState& ,TargetState& ) + { + std::cout << "unexpected action called" << std::endl; + } + }; + + // The list of FSM states + struct Unresolved : public msm::front::state<> + { + typedef mpl::vector<eventRead > deferred_events; + template <class Event,class FSM> + void on_entry(Event const&,FSM& ) {++entry_counter;} + template <class Event,class FSM> + void on_exit(Event const&,FSM& ) {++exit_counter;} + int entry_counter; + int exit_counter; + // Transition table for Empty + struct internal_transition_table : mpl::vector< + // Start Event Next Action Guard + Internal < eventConnect , msm::front::ActionSequence_<mpl::vector<enqueue_action1,enqueue_action2>> > + // +---------+-------------+---------+---------------------+----------------------+ + > {}; + }; + struct Resolving : public msm::front::state<> + { + typedef mpl::vector<eventConnect > deferred_events; + template <class Event,class FSM> + void on_entry(Event const&,FSM& ) {++entry_counter;} + template <class Event,class FSM> + void on_exit(Event const&,FSM& ) {++exit_counter;} + int entry_counter; + int exit_counter; + }; + struct Resolved : public msm::front::state<> + { + template <class Event,class FSM> + void on_entry(Event const&,FSM& ) {++entry_counter;} + template <class Event,class FSM> + void on_exit(Event const&,FSM& ) {++exit_counter;} + int entry_counter; + int exit_counter; + }; + struct Connecting : public msm::front::state<> + { + template <class Event,class FSM> + void on_entry(Event const&,FSM& ) {++entry_counter;} + template <class Event,class FSM> + void on_exit(Event const&,FSM& ) {++exit_counter;} + int entry_counter; + int exit_counter; + }; + struct State22 : public msm::front::state<> + { + template <class Event,class FSM> + void on_entry(Event const&,FSM& ) {++entry_counter;} + template <class Event,class FSM> + void on_exit(Event const&,FSM& ) {++exit_counter;} + int entry_counter; + int exit_counter; + }; + // the initial state of the player SM. Must be defined + typedef mpl::vector<Unresolved,State22> initial_state; + + + // Transition table for player + struct transition_table : mpl::vector< + // Start Event Next Action Guard + // +---------+-------------+---------+---------------------+----------------------+ + Row < Unresolved , eventResolve , Resolving >, + Row < Resolving , eventResolved , Resolved >, + Row < Resolved , eventConnect , Connecting , expected_action >, + Row < State22 , eventd , State22 > + // +---------+-------------+---------+---------------------+----------------------+ + > {}; + + // Replaces the default no-transition response. + template <class FSM,class Event> + void no_transition(Event const& , FSM&,int ) + { + BOOST_FAIL("no_transition called!"); + } + // init counters + template <class Event,class FSM> + void on_entry(Event const&,FSM& fsm) + { + fsm.template get_state<player_::Unresolved&>().entry_counter=0; + fsm.template get_state<player_::Unresolved&>().exit_counter=0; + fsm.template get_state<player_::Resolving&>().entry_counter=0; + fsm.template get_state<player_::Resolving&>().exit_counter=0; + fsm.template get_state<player_::Resolved&>().entry_counter=0; + fsm.template get_state<player_::Resolved&>().exit_counter=0; + fsm.template get_state<player_::Connecting&>().entry_counter=0; + fsm.template get_state<player_::Connecting&>().exit_counter=0; + } + int expected_action_counter; + }; + // Pick a back-end + typedef msm::back::state_machine<player_> player; + + BOOST_AUTO_TEST_CASE( TestDeferAndMessageQueue ) + { + player p; + // needed to start the highest-level SM. This will call on_entry and mark the start of the SM + p.start(); + + p.process_event(eventConnect()); + BOOST_CHECK_MESSAGE(p.current_state()[0] == 1,"Resolving should be active"); + BOOST_CHECK_MESSAGE(p.current_state()[1] == 3,"State22 should be active"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Unresolved&>().exit_counter == 1,"Unresolved exit not called correctly"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Unresolved&>().entry_counter == 1,"Unresolved entry not called correctly"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Resolving&>().entry_counter == 1,"Resolving entry not called correctly"); + + p.process_event(eventResolved()); + BOOST_CHECK_MESSAGE(p.current_state()[0] == 4,"Connecting should be active"); + BOOST_CHECK_MESSAGE(p.current_state()[1] == 3,"State22 should be active"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Resolved&>().exit_counter == 1,"Resolved exit not called correctly"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Resolved&>().entry_counter == 1,"Resolved entry not called correctly"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Resolving&>().exit_counter == 1,"Resolving exit not called correctly"); + BOOST_CHECK_MESSAGE(p.get_state<player_::Connecting&>().entry_counter == 1,"Connecting entry not called correctly"); + + BOOST_CHECK_MESSAGE(p.expected_action_counter == 1,"expected_action should have been called"); + + } +} + + |