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-rw-r--r--lib/stdlib/test/gen_fsm_SUITE.erl31
1 files changed, 28 insertions, 3 deletions
diff --git a/lib/stdlib/test/gen_fsm_SUITE.erl b/lib/stdlib/test/gen_fsm_SUITE.erl
index 23c1d9a193..1f28216375 100644
--- a/lib/stdlib/test/gen_fsm_SUITE.erl
+++ b/lib/stdlib/test/gen_fsm_SUITE.erl
@@ -30,7 +30,7 @@
-export([shutdown/1]).
--export([sys/1, sys1/1, call_format_status/1]).
+-export([sys/1, sys1/1, call_format_status/1, error_format_status/1]).
-export([hibernate/1,hiber_idle/3,hiber_wakeup/3,hiber_idle/2,hiber_wakeup/2]).
@@ -305,7 +305,7 @@ shutdown(Config) when is_list(Config) ->
ok.
-sys(suite) -> [sys1, call_format_status].
+sys(suite) -> [sys1, call_format_status, error_format_status].
sys1(Config) when is_list(Config) ->
?line {ok, Pid} =
@@ -324,6 +324,27 @@ call_format_status(Config) when is_list(Config) ->
?line [format_status_called | _] = lists:reverse(Data),
?line stop_it(Pid).
+error_format_status(Config) when is_list(Config) ->
+ ?line error_logger_forwarder:register(),
+ OldFl = process_flag(trap_exit, true),
+ StateData = "called format_status",
+ ?line {ok, Pid} = gen_fsm:start(gen_fsm_SUITE, {state_data, StateData}, []),
+ %% bad return value in the gen_fsm loop
+ ?line {'EXIT',{{bad_return_value, badreturn},_}} =
+ (catch gen_fsm:sync_send_event(Pid, badreturn)),
+ receive
+ {error,_GroupLeader,{Pid,
+ "** State machine"++_,
+ [Pid,{_,_,badreturn},idle,StateData,_]}} ->
+ ok;
+ Other ->
+ ?line io:format("Unexpected: ~p", [Other]),
+ ?line ?t:fail()
+ end,
+ ?t:messages_get(),
+ process_flag(trap_exit, OldFl),
+ ok.
+
%% Hibernation
hibernate(suite) -> [];
@@ -704,6 +725,8 @@ init(hiber) ->
{ok, hiber_idle, []};
init(hiber_now) ->
{ok, hiber_idle, [], hibernate};
+init({state_data, StateData}) ->
+ {ok, idle, StateData};
init(_) ->
{ok, idle, state_data}.
@@ -844,5 +867,7 @@ handle_sync_event(stop_shutdown_reason, _From, _State, Data) ->
handle_sync_event({get, _Pid}, _From, State, Data) ->
{reply, {state, State, Data}, State, Data}.
-format_status(_Opt, [_Pdict, _StateData]) ->
+format_status(terminate, [_Pdict, StateData]) ->
+ StateData;
+format_status(normal, [_Pdict, _StateData]) ->
[format_status_called].