diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/test/gen_statem_SUITE.erl | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/lib/stdlib/test/gen_statem_SUITE.erl b/lib/stdlib/test/gen_statem_SUITE.erl index e62255035d..f605f0c7b9 100644 --- a/lib/stdlib/test/gen_statem_SUITE.erl +++ b/lib/stdlib/test/gen_statem_SUITE.erl @@ -37,7 +37,7 @@ all() -> {group, stop_handle_event}, {group, abnormal}, {group, abnormal_handle_event}, - shutdown, stop_and_reply, postpone_and_next_event, + shutdown, stop_and_reply, event_order, {group, sys}, hibernate, enter_loop]. @@ -501,7 +501,11 @@ stop_and_reply(_Config) -> Machine = %% Abusing the internal format of From... #{init => - fun (cast, {echo,From1,Reply1}, _) -> + fun () -> + {ok,start,undefined} + end, + start => + fun (cast, {echo,From1,Reply1}, undefined) -> {next_state,wait,{reply,From1,Reply1}} end, wait => @@ -509,11 +513,7 @@ stop_and_reply(_Config) -> {stop_and_reply,Reason, [R1,{reply,From2,Reply2}]} end}, - {ok,STM} = - gen_statem:start_link( - ?MODULE, - {map_statem,Machine,init,undefined,[]}, - []), + {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine}, []), Self = self(), Tag1 = make_ref(), @@ -538,42 +538,49 @@ stop_and_reply(_Config) -> -postpone_and_next_event(_Config) -> +event_order(_Config) -> process_flag(trap_exit, true), Machine = %% Abusing the internal format of From... #{init => + fun () -> + {ok,start,undefined} + end, + start => fun (cast, _, _) -> - {keep_state_and_data,postpone}; - ({call,From}, {buffer,Pid,[Tag3,Tag4]}, _) -> + {keep_state_and_data,postpone}; %% Handled in 'buffer' + ({call,From}, {buffer,Pid,[Tag3,Tag4,Tag5]}, + undefined) -> {next_state,buffer,[], [{next_event,internal,{reply,{Pid,Tag3},ok3}}, {next_event,internal,{reply,{Pid,Tag4},ok4}}, + {timeout,0,{reply,{Pid,Tag5},ok5}}, + %% The timeout should not happen since there + %% are events that cancel it i.e next_event + %% and postponed {reply,From,ok}]} end, buffer => fun (internal, Reply, Replies) -> {keep_state,[Reply|Replies]}; + (timeout, Reply, Replies) -> + {keep_state,[Reply|Replies]}; (cast, Reply, Replies) -> {keep_state,[Reply|Replies]}; ({call,From}, {stop,Reason}, Replies) -> - {next_state,stop,Replies, + {next_state,stop,undefined, lists:reverse( Replies, [{reply,From,ok}, {next_event,internal,{stop,Reason}}])} end, stop => - fun (internal, Result, _) -> + fun (internal, Result, undefined) -> Result end}, - {ok,STM} = - gen_statem:start_link( - ?MODULE, - {map_statem,Machine,init,undefined,[]}, - []), + {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine}, []), Self = self(), Tag1 = make_ref(), gen_statem:cast(STM, {reply,{Self,Tag1},ok1}), @@ -581,7 +588,8 @@ postpone_and_next_event(_Config) -> gen_statem:cast(STM, {reply,{Self,Tag2},ok2}), Tag3 = make_ref(), Tag4 = make_ref(), - ok = gen_statem:call(STM, {buffer,Self,[Tag3,Tag4]}), + Tag5 = make_ref(), + ok = gen_statem:call(STM, {buffer,Self,[Tag3,Tag4,Tag5]}), ok = gen_statem:call(STM, {stop,reason}), case flush() of [{Tag3,ok3},{Tag4,ok4},{Tag1,ok1},{Tag2,ok2}, @@ -1263,8 +1271,15 @@ init({callback_mode,CallbackMode,Arg}) -> Other -> Other end; -init({map_statem,Machine,State,Data,Ops}) when is_map(Machine) -> - {handle_event_function,State,[Data|Machine],Ops}; +init({map_statem,#{init := Init}=Machine}) -> + case Init() of + {ok,State,Data,Ops} -> + {handle_event_function,State,[Data|Machine],Ops}; + {ok,State,Data} -> + {handle_event_function,State,[Data|Machine]}; + Other -> + Other + end; init([]) -> {state_functions,idle,data}. |