aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/test/gen_statem_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/test/gen_statem_SUITE.erl')
-rw-r--r--lib/stdlib/test/gen_statem_SUITE.erl628
1 files changed, 564 insertions, 64 deletions
diff --git a/lib/stdlib/test/gen_statem_SUITE.erl b/lib/stdlib/test/gen_statem_SUITE.erl
index 364314f91b..5b9daecfd3 100644
--- a/lib/stdlib/test/gen_statem_SUITE.erl
+++ b/lib/stdlib/test/gen_statem_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2016. All Rights Reserved.
+%% Copyright Ericsson AB 2016-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -37,33 +37,36 @@ all() ->
{group, stop_handle_event},
{group, abnormal},
{group, abnormal_handle_event},
- shutdown, stop_and_reply, event_order,
+ shutdown, stop_and_reply, state_enter, event_order,
+ state_timeout, event_types, generic_timers, code_change,
{group, sys},
- hibernate, enter_loop].
+ hibernate, auto_hibernate, enter_loop, {group, undef_callbacks},
+ undef_in_terminate].
groups() ->
- [{start, [],
- [start1, start2, start3, start4, start5, start6, start7,
- start8, start9, start10, start11, start12, next_events]},
- {start_handle_event, [],
- [start1, start2, start3, start4, start5, start6, start7,
- start8, start9, start10, start11, start12, next_events]},
- {stop, [],
- [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10]},
- {stop_handle_event, [],
- [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10]},
- {abnormal, [], [abnormal1, abnormal2]},
- {abnormal_handle_event, [], [abnormal1, abnormal2]},
- {sys, [],
- [sys1, code_change,
- call_format_status,
- error_format_status, terminate_crash_format,
- get_state, replace_state]},
- {sys_handle_event, [],
- [sys1,
- call_format_status,
- error_format_status, terminate_crash_format,
- get_state, replace_state]}].
+ [{start, [], tcs(start)},
+ {start_handle_event, [], tcs(start)},
+ {stop, [], tcs(stop)},
+ {stop_handle_event, [], tcs(stop)},
+ {abnormal, [], tcs(abnormal)},
+ {abnormal_handle_event, [], tcs(abnormal)},
+ {sys, [], tcs(sys)},
+ {sys_handle_event, [], tcs(sys)},
+ {undef_callbacks, [], tcs(undef_callbacks)}].
+
+tcs(start) ->
+ [start1, start2, start3, start4, start5, start6, start7,
+ start8, start9, start10, start11, start12, next_events];
+tcs(stop) ->
+ [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10];
+tcs(abnormal) ->
+ [abnormal1, abnormal1clean, abnormal1dirty, abnormal2];
+tcs(sys) ->
+ [sys1, call_format_status,
+ error_format_status, terminate_crash_format,
+ get_state, replace_state];
+tcs(undef_callbacks) ->
+ [undef_code_change, undef_terminate1, undef_terminate2].
init_per_suite(Config) ->
Config.
@@ -77,6 +80,11 @@ init_per_group(GroupName, Config)
GroupName =:= abnormal_handle_event;
GroupName =:= sys_handle_event ->
[{callback_mode,handle_event_function}|Config];
+init_per_group(undef_callbacks, Config) ->
+ DataDir = ?config(data_dir, Config),
+ StatemPath = filename:join(DataDir, "oc_statem.erl"),
+ {ok, oc_statem} = compile:file(StatemPath),
+ Config;
init_per_group(_GroupName, Config) ->
Config.
@@ -452,8 +460,52 @@ abnormal1(Config) ->
gen_statem:call(Name, {delayed_answer,1000}, 10),
Reason),
ok = gen_statem:stop(Name),
+ ?t:sleep(1100),
ok = verify_empty_msgq().
+%% Check that time outs in calls work
+abnormal1clean(Config) ->
+ Name = abnormal1clean,
+ LocalSTM = {local,Name},
+
+ {ok, _Pid} =
+ gen_statem:start(LocalSTM, ?MODULE, start_arg(Config, []), []),
+
+ %% timeout call.
+ delayed =
+ gen_statem:call(Name, {delayed_answer,1}, {clean_timeout,100}),
+ {timeout,_} =
+ ?EXPECT_FAILURE(
+ gen_statem:call(
+ Name, {delayed_answer,1000}, {clean_timeout,10}),
+ Reason),
+ ok = gen_statem:stop(Name),
+ ?t:sleep(1100),
+ ok = verify_empty_msgq().
+
+%% Check that time outs in calls work
+abnormal1dirty(Config) ->
+ Name = abnormal1dirty,
+ LocalSTM = {local,Name},
+
+ {ok, _Pid} =
+ gen_statem:start(LocalSTM, ?MODULE, start_arg(Config, []), []),
+
+ %% timeout call.
+ delayed =
+ gen_statem:call(Name, {delayed_answer,1}, {dirty_timeout,100}),
+ {timeout,_} =
+ ?EXPECT_FAILURE(
+ gen_statem:call(
+ Name, {delayed_answer,1000}, {dirty_timeout,10}),
+ Reason),
+ ok = gen_statem:stop(Name),
+ ?t:sleep(1100),
+ case flush() of
+ [{Ref,delayed}] when is_reference(Ref) ->
+ ok
+ end.
+
%% Check that bad return values makes the stm crash. Note that we must
%% trap exit since we must link to get the real bad_return_ error
abnormal2(Config) ->
@@ -461,10 +513,10 @@ abnormal2(Config) ->
{ok,Pid} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
%% bad return value in the gen_statem loop
- {{bad_return_value,badreturn},_} =
+ {{{bad_return_from_state_function,badreturn},_},_} =
?EXPECT_FAILURE(gen_statem:call(Pid, badreturn), Reason),
receive
- {'EXIT',Pid,{bad_return_value,badreturn}} -> ok
+ {'EXIT',Pid,{{bad_return_from_state_function,badreturn},_}} -> ok
after 5000 ->
ct:fail(gen_statem_did_not_die)
end,
@@ -513,7 +565,8 @@ stop_and_reply(_Config) ->
{stop_and_reply,Reason,
[R1,{reply,From2,Reply2}]}
end},
- {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine}, []),
+ {ok,STM} =
+ gen_statem:start_link(?MODULE, {map_statem,Machine,[]}, []),
Self = self(),
Tag1 = make_ref(),
@@ -538,6 +591,76 @@ stop_and_reply(_Config) ->
+state_enter(_Config) ->
+ process_flag(trap_exit, true),
+ Self = self(),
+
+ Machine =
+ %% Abusing the internal format of From...
+ #{init =>
+ fun () ->
+ {ok,start,1}
+ end,
+ start =>
+ fun (enter, Prev, N) ->
+ Self ! {enter,start,Prev,N},
+ {keep_state,N + 1};
+ (internal, Prev, N) ->
+ Self ! {internal,start,Prev,N},
+ {keep_state,N + 1};
+ ({call,From}, repeat, N) ->
+ {repeat_state,N + 1,
+ [{reply,From,{repeat,start,N}}]};
+ ({call,From}, echo, N) ->
+ {next_state,wait,N + 1,
+ {reply,From,{echo,start,N}}};
+ ({call,From}, {stop,Reason}, N) ->
+ {stop_and_reply,Reason,
+ [{reply,From,{stop,N}}],N + 1}
+ end,
+ wait =>
+ fun (enter, Prev, N) when N < 5 ->
+ {repeat_state,N + 1,
+ {reply,{Self,N},{enter,Prev}}};
+ (enter, Prev, N) ->
+ Self ! {enter,wait,Prev,N},
+ {keep_state,N + 1};
+ ({call,From}, repeat, N) ->
+ {repeat_state_and_data,
+ [{reply,From,{repeat,wait,N}}]};
+ ({call,From}, echo, N) ->
+ {next_state,start,N + 1,
+ [{next_event,internal,wait},
+ {reply,From,{echo,wait,N}}]}
+ end},
+ {ok,STM} =
+ gen_statem:start_link(
+ ?MODULE, {map_statem,Machine,[state_enter]}, []),
+
+ [{enter,start,start,1}] = flush(),
+ {echo,start,2} = gen_statem:call(STM, echo),
+ [{3,{enter,start}},{4,{enter,start}},{enter,wait,start,5}] = flush(),
+ {wait,[6|_]} = sys:get_state(STM),
+ {repeat,wait,6} = gen_statem:call(STM, repeat),
+ [{enter,wait,wait,6}] = flush(),
+ {echo,wait,7} = gen_statem:call(STM, echo),
+ [{enter,start,wait,8},{internal,start,wait,9}] = flush(),
+ {repeat,start,10} = gen_statem:call(STM, repeat),
+ [{enter,start,start,11}] = flush(),
+ {stop,12} = gen_statem:call(STM, {stop,bye}),
+ [{'EXIT',STM,bye}] = flush(),
+
+ {noproc,_} =
+ ?EXPECT_FAILURE(gen_statem:call(STM, hej), Reason),
+ case flush() of
+ [] ->
+ ok;
+ Other2 ->
+ ct:fail({unexpected,Other2})
+ end.
+
+
+
event_order(_Config) ->
process_flag(trap_exit, true),
@@ -580,7 +703,7 @@ event_order(_Config) ->
Result
end},
- {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine}, []),
+ {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine,[]}, []),
Self = self(),
Tag1 = make_ref(),
gen_statem:cast(STM, {reply,{Self,Tag1},ok1}),
@@ -610,6 +733,233 @@ event_order(_Config) ->
+state_timeout(_Config) ->
+ process_flag(trap_exit, true),
+
+ Machine =
+ #{init =>
+ fun () ->
+ {ok,start,0}
+ end,
+ start =>
+ fun
+ ({call,From}, {go,Time}, 0) ->
+ self() ! message_to_self,
+ {next_state, state1, {Time,From},
+ %% Verify that internal events goes before external
+ [{state_timeout,Time,1},
+ {next_event,internal,1}]}
+ end,
+ state1 =>
+ fun
+ (internal, 1, Data) ->
+ %% Verify that a state change cancels timeout 1
+ {next_state, state2, Data,
+ [{timeout,0,2},
+ {state_timeout,0,2},
+ {next_event,internal,2}]}
+ end,
+ state2 =>
+ fun
+ (internal, 2, Data) ->
+ %% Verify that {state_timeout,0,_}
+ %% comes after next_event and that
+ %% {timeout,0,_} is cancelled by
+ %% pending {state_timeout,0,_}
+ {keep_state, {ok,2,Data},
+ [{timeout,0,3}]};
+ (state_timeout, 2, {ok,2,Data}) ->
+ %% Verify that timeout 0's are processed
+ %% in order
+ {keep_state, {ok,3,Data},
+ [{timeout,0,4},{state_timeout,0,5}]};
+ (timeout, 4, {ok,3,Data}) ->
+ %% Verify that timeout 0 is cancelled by
+ %% enqueued state_timeout 0 and that
+ %% multiple state_timeout 0 can be enqueued
+ {keep_state, {ok,4,Data},
+ [{state_timeout,0,6},{timeout,0,7}]};
+ (state_timeout, 5, {ok,4,Data}) ->
+ {keep_state, {ok,5,Data}};
+ (state_timeout, 6, {ok,5,{Time,From}}) ->
+ {next_state, state3, 6,
+ [{reply,From,ok},
+ {state_timeout,Time,8}]}
+ end,
+ state3 =>
+ fun
+ (info, message_to_self, 6) ->
+ {keep_state, 7};
+ ({call,From}, check, 7) ->
+ {keep_state, From};
+ (state_timeout, 8, From) ->
+ {stop_and_reply, normal,
+ {reply,From,ok}}
+ end},
+
+ {ok,STM} = gen_statem:start_link(?MODULE, {map_statem,Machine,[]}, []),
+ sys:trace(STM, true),
+ TRef = erlang:start_timer(1000, self(), kull),
+ ok = gen_statem:call(STM, {go,500}),
+ ok = gen_statem:call(STM, check),
+ receive
+ {timeout,TRef,kull} ->
+ ct:fail(late_timeout)
+ after 0 ->
+ receive
+ {timeout,TRef,kull} ->
+ ok
+ after 1000 ->
+ ct:fail(no_check_timeout)
+ end
+ end,
+ receive
+ {'EXIT',STM,normal} ->
+ ok
+ after 500 ->
+ ct:fail(did_not_stop)
+ end,
+
+ verify_empty_msgq().
+
+
+
+%% Test that all event types can be sent with {next_event,EventType,_}
+event_types(_Config) ->
+ process_flag(trap_exit, true),
+
+ Machine =
+ %% Abusing the internal format of From...
+ #{init =>
+ fun () ->
+ {ok, start, undefined}
+ end,
+ start =>
+ fun ({call,_} = Call, Req, undefined) ->
+ {next_state, state1, undefined,
+ [{next_event,internal,1},
+ {next_event,state_timeout,2},
+ {next_event,timeout,3},
+ {next_event,info,4},
+ {next_event,cast,5},
+ {next_event,{timeout,6}, 6},
+ {next_event,Call,Req}]}
+ end,
+ state1 =>
+ fun (internal, 1, undefined) ->
+ {next_state, state2, undefined}
+ end,
+ state2 =>
+ fun (state_timeout, 2, undefined) ->
+ {next_state, state3, undefined}
+ end,
+ state3 =>
+ fun (timeout, 3, undefined) ->
+ {next_state, state4, undefined}
+ end,
+ state4 =>
+ fun (info, 4, undefined) ->
+ {next_state, state5, undefined}
+ end,
+ state5 =>
+ fun (cast, 5, undefined) ->
+ {next_state, state6, undefined}
+ end,
+ state6 =>
+ fun ({timeout,6}, 6, undefined) ->
+ {next_state, state7, undefined}
+ end,
+ state7 =>
+ fun ({call,From}, stop, undefined) ->
+ {stop_and_reply, shutdown,
+ [{reply,From,stopped}]}
+ end},
+ {ok,STM} =
+ gen_statem:start_link(
+ ?MODULE, {map_statem,Machine,[]}, [{debug,[trace]}]),
+
+ stopped = gen_statem:call(STM, stop),
+ receive
+ {'EXIT',STM,shutdown} ->
+ ok
+ after 500 ->
+ ct:fail(did_not_stop)
+ end,
+
+ {noproc,_} =
+ ?EXPECT_FAILURE(gen_statem:call(STM, hej), Reason),
+ case flush() of
+ [] ->
+ ok;
+ Other2 ->
+ ct:fail({unexpected,Other2})
+ end.
+
+
+
+generic_timers(_Config) ->
+ process_flag(trap_exit, true),
+
+ Machine =
+ %% Abusing the internal format of From...
+ #{init =>
+ fun () ->
+ {ok, start, undefined}
+ end,
+ start =>
+ fun ({call,_} = Call, Req, undefined) ->
+ {next_state, state1, undefined,
+ [{{timeout,a},1500,1},
+ {state_timeout,1500,1},
+ {{timeout,b},1000,1},
+ {next_event,Call,Req}]}
+ end,
+ state1 =>
+ fun ({call,_} = Call, Req, undefined) ->
+ T = erlang:monotonic_time(millisecond) + 500,
+ {next_state, state2, undefined,
+ [{{timeout,c},T,2,{abs,true}},
+ {{timeout,d},0,2,[{abs,false}]},
+ {timeout,0,2},
+ {{timeout,b},infinity,2},
+ {{timeout,a},1000,{Call,Req}}]}
+ end,
+ state2 =>
+ fun ({timeout,d}, 2, undefined) ->
+ {next_state, state3, undefined}
+ end,
+ state3 =>
+ fun ({timeout,c}, 2, undefined) ->
+ {next_state, state4, undefined}
+ end,
+ state4 =>
+ fun ({timeout,a}, {{call,From},stop}, undefined) ->
+ {stop_and_reply, shutdown,
+ [{reply,From,stopped}]}
+ end},
+ {ok,STM} =
+ gen_statem:start_link(
+ ?MODULE, {map_statem,Machine,[]}, [{debug,[trace]}]),
+
+ stopped = gen_statem:call(STM, stop),
+ receive
+ {'EXIT',STM,shutdown} ->
+ ok
+ after 500 ->
+ ct:fail(did_not_stop)
+ end,
+
+ {noproc,_} =
+ ?EXPECT_FAILURE(gen_statem:call(STM, hej), Reason),
+ case flush() of
+ [] ->
+ ok;
+ Other2 ->
+ ct:fail({unexpected,Other2})
+ end.
+
+
+
sys1(Config) ->
{ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
{status, Pid, {module,gen_statem}, _} = sys:get_status(Pid),
@@ -633,11 +983,13 @@ sys1(Config) ->
sys:resume(Pid),
stop_it(Pid).
-code_change(Config) ->
- Mode = handle_event_function,
- {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
+code_change(_Config) ->
+ {ok,Pid} =
+ gen_statem:start(
+ ?MODULE, {callback_mode,state_functions,[]}, []),
{idle,data} = sys:get_state(Pid),
sys:suspend(Pid),
+ Mode = handle_event_function,
sys:change_code(Pid, ?MODULE, old_vsn, Mode),
sys:resume(Pid),
{idle,{old_vsn,data,Mode}} = sys:get_state(Pid),
@@ -708,7 +1060,7 @@ error_format_status(Config) ->
gen_statem:start(
?MODULE, start_arg(Config, {data,Data}), []),
%% bad return value in the gen_statem loop
- {{bad_return_value,badreturn},_} =
+ {{{bad_return_from_state_function,badreturn},_},_} =
?EXPECT_FAILURE(gen_statem:call(Pid, badreturn), Reason),
receive
{error,_,
@@ -716,7 +1068,7 @@ error_format_status(Config) ->
"** State machine"++_,
[Pid,{{call,_},badreturn},
{formatted,idle,Data},
- error,{bad_return_value,badreturn}|_]}} ->
+ error,{bad_return_from_state_function,badreturn}|_]}} ->
ok;
Other when is_tuple(Other), element(1, Other) =:= error ->
error_logger_forwarder:unregister(),
@@ -932,6 +1284,84 @@ hibernate(Config) ->
end,
ok = verify_empty_msgq().
+%% Auto-hibernation timeout
+auto_hibernate(Config) ->
+ OldFl = process_flag(trap_exit, true),
+ HibernateAfterTimeout = 100,
+
+ {ok,Pid} =
+ gen_statem:start_link(
+ ?MODULE, start_arg(Config, []), [{hibernate_after, HibernateAfterTimeout}]),
+ %% After init test
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ %% After info test
+ Pid ! {hping, self()},
+ receive
+ {Pid, hpong} ->
+ ok
+ after 1000 ->
+ ct:fail(info)
+ end,
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ %% After cast test
+ ok = gen_statem:cast(Pid, {hping, self()}),
+ receive
+ {Pid, hpong} ->
+ ok
+ after 1000 ->
+ ct:fail(cast)
+ end,
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ %% After call test
+ hpong = gen_statem:call(Pid, hping),
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ %% Timer test 1
+ TimerTimeout1 = 50,
+ ok = gen_statem:call(Pid, {arm_htimer, self(), TimerTimeout1}),
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(TimerTimeout1),
+ is_not_in_erlang_hibernate(Pid),
+ receive
+ {Pid, htimer_armed} ->
+ ok
+ after 1000 ->
+ ct:fail(timer1)
+ end,
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ %% Timer test 2
+ TimerTimeout2 = 150,
+ ok = gen_statem:call(Pid, {arm_htimer, self(), TimerTimeout2}),
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ receive
+ {Pid, htimer_armed} ->
+ ok
+ after 1000 ->
+ ct:fail(timer2)
+ end,
+ is_not_in_erlang_hibernate(Pid),
+ timer:sleep(HibernateAfterTimeout),
+ is_in_erlang_hibernate(Pid),
+ stop_it(Pid),
+ process_flag(trap_exit, OldFl),
+ receive
+ {'EXIT',Pid,normal} -> ok
+ after 5000 ->
+ ct:fail(gen_statem_did_not_die)
+ end,
+ ok = verify_empty_msgq().
+
is_in_erlang_hibernate(Pid) ->
receive after 1 -> ok end,
is_in_erlang_hibernate_1(200, Pid).
@@ -1029,11 +1459,7 @@ enter_loop(_Config) ->
end,
%% Process not started using proc_lib
- CallbackMode = state_functions,
- Pid4 =
- spawn_link(
- gen_statem, enter_loop,
- [?MODULE,[],CallbackMode,state0,[]]),
+ Pid4 = spawn_link(gen_statem, enter_loop, [?MODULE,[],state0,[]]),
receive
{'EXIT',Pid4,process_was_not_started_by_proc_lib} ->
ok
@@ -1107,23 +1533,65 @@ enter_loop(Reg1, Reg2) ->
anon -> ignore
end,
proc_lib:init_ack({ok, self()}),
- CallbackMode = state_functions,
case Reg2 of
local ->
gen_statem:enter_loop(
- ?MODULE, [], CallbackMode, state0, [], {local,armitage});
+ ?MODULE, [], state0, [], {local,armitage});
global ->
gen_statem:enter_loop(
- ?MODULE, [], CallbackMode, state0, [], {global,armitage});
+ ?MODULE, [], state0, [], {global,armitage});
via ->
gen_statem:enter_loop(
- ?MODULE, [], CallbackMode, state0, [],
- {via, dummy_via, armitage});
+ ?MODULE, [], state0, [], {via, dummy_via, armitage});
anon ->
- gen_statem:enter_loop(
- ?MODULE, [], CallbackMode, state0, [])
+ gen_statem:enter_loop(?MODULE, [], state0, [])
+ end.
+
+undef_code_change(_Config) ->
+ {ok, Statem} = gen_statem:start(oc_statem, [], []),
+ {error, {'EXIT',
+ {undef, [{oc_statem, code_change, [_, _, _, _], _}|_]}}}
+ = fake_upgrade(Statem, oc_statem).
+
+fake_upgrade(Pid, Mod) ->
+ sys:suspend(Pid),
+ sys:replace_state(Pid, fun(State) -> {new, State} end),
+ Ret = sys:change_code(Pid, Mod, old_vsn, []),
+ ok = sys:resume(Pid),
+ Ret.
+
+undef_terminate1(_Config) ->
+ {ok, Statem} = gen_statem:start(oc_statem, [], []),
+ MRef = monitor(process, Statem),
+ ok = gen_statem:stop(Statem),
+ verify_down(Statem, MRef, normal),
+ ok.
+
+undef_terminate2(_Config) ->
+ Reason = {error, test},
+ {ok, Statem} = oc_statem:start(),
+ MRef = monitor(process, Statem),
+ ok = gen_statem:stop(Statem, Reason, infinity),
+ verify_down(Statem, MRef, Reason).
+
+undef_in_terminate(_Config) ->
+ Data = {undef_in_terminate, {?MODULE, terminate}},
+ {ok, Statem} = gen_statem:start(?MODULE, {data, Data}, []),
+ try
+ gen_statem:stop(Statem),
+ ct:fail(should_crash)
+ catch
+ exit:{undef, [{?MODULE, terminate, _, _}|_]} ->
+ ok
end.
+verify_down(Statem, MRef, Reason) ->
+ receive
+ {'DOWN', MRef, process, Statem, Reason} ->
+ ok
+ after 5000 ->
+ ct:fail(default_terminate_failed)
+ end.
%% Test the order for multiple {next_event,T,C}
next_events(Config) ->
@@ -1266,36 +1734,45 @@ init(stop_shutdown) ->
{stop,shutdown};
init(sleep) ->
?t:sleep(1000),
- {state_functions,idle,data};
+ {ok,idle,data};
init(hiber) ->
- {state_functions,hiber_idle,[]};
+ {ok,hiber_idle,[]};
init(hiber_now) ->
- {state_functions,hiber_idle,[],[hibernate]};
+ {ok,hiber_idle,[],[hibernate]};
init({data, Data}) ->
- {state_functions,idle,Data};
+ {ok,idle,Data};
init({callback_mode,CallbackMode,Arg}) ->
- case init(Arg) of
- {_,State,Data,Ops} ->
- {CallbackMode,State,Data,Ops};
- {_,State,Data} ->
- {CallbackMode,State,Data};
- Other ->
- Other
- end;
-init({map_statem,#{init := Init}=Machine}) ->
+ ets:new(?MODULE, [named_table,private]),
+ ets:insert(?MODULE, {callback_mode,CallbackMode}),
+ init(Arg);
+init({map_statem,#{init := Init}=Machine,Modes}) ->
+ ets:new(?MODULE, [named_table,private]),
+ ets:insert(?MODULE, {callback_mode,[handle_event_function|Modes]}),
case Init() of
{ok,State,Data,Ops} ->
- {handle_event_function,State,[Data|Machine],Ops};
+ {ok,State,[Data|Machine],Ops};
{ok,State,Data} ->
- {handle_event_function,State,[Data|Machine]};
+ {ok,State,[Data|Machine]};
Other ->
Other
end;
init([]) ->
- {state_functions,idle,data}.
+ {ok,idle,data}.
+
+callback_mode() ->
+ try ets:lookup(?MODULE, callback_mode) of
+ [{callback_mode,CallbackMode}] ->
+ CallbackMode
+ catch
+ error:badarg ->
+ state_functions
+ end.
terminate(_, _State, crash_terminate) ->
exit({crash,terminate});
+terminate(_, _State, {undef_in_terminate, {Mod, Fun}}) ->
+ Mod:Fun(),
+ ok;
terminate({From,stopped}, State, _Data) ->
From ! {self(),{stopped,State}},
ok;
@@ -1305,6 +1782,19 @@ terminate(_Reason, _State, _Data) ->
%% State functions
+idle(info, {hping,Pid}, _Data) ->
+ Pid ! {self(), hpong},
+ keep_state_and_data;
+idle(cast, {hping,Pid}, Data) ->
+ Pid ! {self(), hpong},
+ {keep_state, Data};
+idle({call, From}, hping, _Data) ->
+ {keep_state_and_data, [{reply, From, hpong}]};
+idle({call, From}, {arm_htimer, Pid, Timeout}, _Data) ->
+ {keep_state_and_data, [{reply, From, ok}, {timeout, Timeout, {arm_htimer, Pid}}]};
+idle(timeout, {arm_htimer, Pid}, _Data) ->
+ Pid ! {self(), htimer_armed},
+ keep_state_and_data;
idle(cast, {connect,Pid}, Data) ->
Pid ! accept,
{next_state,wfor_conf,Data,infinity}; % NoOp timeout just to test API
@@ -1322,8 +1812,9 @@ idle({call,From}, {delayed_answer,T}, Data) ->
throw({keep_state,Data})
end;
idle({call,From}, {timeout,Time}, _Data) ->
+ AbsTime = erlang:monotonic_time(millisecond) + Time,
{next_state,timeout,{From,Time},
- {timeout,Time,idle}};
+ {timeout,AbsTime,idle,[{abs,true}]}};
idle(cast, next_event, _Data) ->
{next_state,next_events,[a,b,c],
[{next_event,internal,a},
@@ -1530,6 +2021,10 @@ handle_event(
{keep_state,[NewData|Machine]};
{keep_state,NewData,Ops} ->
{keep_state,[NewData|Machine],Ops};
+ {repeat_state,NewData} ->
+ {repeat_state,[NewData|Machine]};
+ {repeat_state,NewData,Ops} ->
+ {repeat_state,[NewData|Machine],Ops};
Other ->
Other
end;
@@ -1568,7 +2063,12 @@ wrap_result(Result) ->
code_change(OldVsn, State, Data, CallbackMode) ->
- {CallbackMode,State,{OldVsn,Data,CallbackMode}}.
+ io:format(
+ "code_change(~p, ~p, ~p, ~p)~n", [OldVsn,State,Data,CallbackMode]),
+ ets:insert(?MODULE, {callback_mode,CallbackMode}),
+ io:format(
+ "code_change(~p, ~p, ~p, ~p)~n", [OldVsn,State,Data,CallbackMode]),
+ {ok,State,{OldVsn,Data,CallbackMode}}.
format_status(terminate, [_Pdict,State,Data]) ->
{formatted,State,Data};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 00:49:30 +0000