-module(test).

-behaviour(gen_fsm).

% export the callbacks common to gen_fsm behaviours
-export([start/0, init/1, handle_info/3, terminate/3]).

% export the callbacks for (gen_fsm behaviour) states in this module
-export([state1/2, state2/2]).

start() ->
        gen_fsm:start_link({local, testing}, test, [], [{debug, [log]}]).

init(_) -> 
	{ok, state1, []}.
	
state1(2, StateData) ->
 	{next_state, state2, StateData}.

state2(1, StateData) ->
 	{next_state, state1, StateData}.


handle_info({'EXIT', Pid, Reason}, State, StateData) ->
        {stop, Reason, StateData}.

terminate(Reason, State, StateData) ->
        io_lib:format("shutting down: ~w", [Reason]).