aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/test/gen_fsm_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/test/gen_fsm_SUITE.erl')
-rw-r--r--lib/stdlib/test/gen_fsm_SUITE.erl59
1 files changed, 52 insertions, 7 deletions
diff --git a/lib/stdlib/test/gen_fsm_SUITE.erl b/lib/stdlib/test/gen_fsm_SUITE.erl
index fd15838b7d..39f0442824 100644
--- a/lib/stdlib/test/gen_fsm_SUITE.erl
+++ b/lib/stdlib/test/gen_fsm_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -31,7 +31,9 @@
-export([shutdown/1]).
--export([ sys1/1, call_format_status/1, error_format_status/1, get_state/1, replace_state/1]).
+-export([ sys1/1,
+ call_format_status/1, error_format_status/1, terminate_crash_format/1,
+ get_state/1, replace_state/1]).
-export([hibernate/1,hiber_idle/3,hiber_wakeup/3,hiber_idle/2,hiber_wakeup/2]).
@@ -66,7 +68,8 @@ groups() ->
start8, start9, start10, start11, start12]},
{abnormal, [], [abnormal1, abnormal2]},
{sys, [],
- [sys1, call_format_status, error_format_status, get_state, replace_state]}].
+ [sys1, call_format_status, error_format_status, terminate_crash_format,
+ get_state, replace_state]}].
init_per_suite(Config) ->
Config.
@@ -403,7 +406,7 @@ error_format_status(Config) when is_list(Config) ->
receive
{error,_GroupLeader,{Pid,
"** State machine"++_,
- [Pid,{_,_,badreturn},idle,StateData,_]}} ->
+ [Pid,{_,_,badreturn},idle,{formatted,StateData},_]}} ->
ok;
Other ->
?line io:format("Unexpected: ~p", [Other]),
@@ -413,6 +416,29 @@ error_format_status(Config) when is_list(Config) ->
process_flag(trap_exit, OldFl),
ok.
+terminate_crash_format(Config) when is_list(Config) ->
+ error_logger_forwarder:register(),
+ OldFl = process_flag(trap_exit, true),
+ StateData = crash_terminate,
+ {ok, Pid} = gen_fsm:start(gen_fsm_SUITE, {state_data, StateData}, []),
+ stop_it(Pid),
+ receive
+ {error,_GroupLeader,{Pid,
+ "** State machine"++_,
+ [Pid,{_,_,_},idle,{formatted, StateData},_]}} ->
+ ok;
+ Other ->
+ io:format("Unexpected: ~p", [Other]),
+ ?t:fail()
+ after 5000 ->
+ io:format("Timeout: expected error logger msg", []),
+ ?t:fail()
+ end,
+ _ = ?t:messages_get(),
+ process_flag(trap_exit, OldFl),
+ ok.
+
+
get_state(Config) when is_list(Config) ->
State = self(),
{ok, Pid} = gen_fsm:start(?MODULE, {state_data, State}, []),
@@ -426,6 +452,14 @@ get_state(Config) when is_list(Config) ->
{idle, State} = sys:get_state(gfsm),
{idle, State} = sys:get_state(gfsm, 5000),
stop_it(Pid2),
+
+ %% check that get_state works when pid is sys suspended
+ {ok, Pid3} = gen_fsm:start(gen_fsm_SUITE, {state_data, State}, []),
+ {idle, State} = sys:get_state(Pid3),
+ ok = sys:suspend(Pid3),
+ {idle, State} = sys:get_state(Pid3, 5000),
+ ok = sys:resume(Pid3),
+ stop_it(Pid3),
ok.
replace_state(Config) when is_list(Config) ->
@@ -442,8 +476,18 @@ replace_state(Config) when is_list(Config) ->
{state0, NState2} = sys:get_state(Pid),
%% verify no change in state if replace function crashes
Replace3 = fun(_) -> error(fail) end,
- {state0, NState2} = sys:replace_state(Pid, Replace3),
+ {'EXIT',{{callback_failed,
+ {gen_fsm,system_replace_state},{error,fail}},_}} =
+ (catch sys:replace_state(Pid, Replace3)),
{state0, NState2} = sys:get_state(Pid),
+ %% verify state replaced if process sys suspended
+ ok = sys:suspend(Pid),
+ Suffix2 = " and again",
+ NState3 = NState2 ++ Suffix2,
+ Replace4 = fun({StateName, _}) -> {StateName, NState3} end,
+ {state0, NState3} = sys:replace_state(Pid, Replace4),
+ ok = sys:resume(Pid),
+ {state0, NState3} = sys:get_state(Pid, 5000),
stop_it(Pid),
ok.
@@ -849,7 +893,8 @@ init({state_data, StateData}) ->
init(_) ->
{ok, idle, state_data}.
-
+terminate(_, _State, crash_terminate) ->
+ exit({crash, terminate});
terminate({From, stopped}, State, _Data) ->
From ! {self(), {stopped, State}},
ok;
@@ -987,6 +1032,6 @@ handle_sync_event({get, _Pid}, _From, State, Data) ->
{reply, {state, State, Data}, State, Data}.
format_status(terminate, [_Pdict, StateData]) ->
- StateData;
+ {formatted, StateData};
format_status(normal, [_Pdict, _StateData]) ->
[format_status_called].