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-rw-r--r--lib/stdlib/test/gen_statem_SUITE.erl242
1 files changed, 174 insertions, 68 deletions
diff --git a/lib/stdlib/test/gen_statem_SUITE.erl b/lib/stdlib/test/gen_statem_SUITE.erl
index 51e08f5ec1..8a96f0e8e2 100644
--- a/lib/stdlib/test/gen_statem_SUITE.erl
+++ b/lib/stdlib/test/gen_statem_SUITE.erl
@@ -19,7 +19,7 @@
%%
-module(gen_statem_SUITE).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-compile(export_all).
-behaviour(gen_statem).
@@ -30,7 +30,11 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[{group, start},
+ {group, start_handle_event},
+ {group, stop},
+ {group, stop_handle_event},
{group, abnormal},
+ {group, abnormal_handle_event},
shutdown,
{group, sys}, hibernate, enter_loop].
@@ -38,13 +42,24 @@ groups() ->
[{start, [],
[start1, start2, start3, start4, start5, start6, start7,
start8, start9, start10, start11, start12]},
+ {start_handle_event, [],
+ [start1, start2, start3, start4, start5, start6, start7,
+ start8, start9, start10, start11, start12]},
{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,
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]}].
init_per_suite(Config) ->
@@ -53,6 +68,12 @@ init_per_suite(Config) ->
end_per_suite(_Config) ->
ok.
+init_per_group(GroupName, Config)
+ when GroupName =:= start_handle_event;
+ GroupName =:= stop_handle_event;
+ GroupName =:= abnormal_handle_event;
+ GroupName =:= sys_handle_event ->
+ [{init_ops,[{callback_mode,handle_event_function}]}|Config];
init_per_group(_GroupName, Config) ->
Config.
@@ -65,6 +86,7 @@ init_per_testcase(_CaseName, Config) ->
%%% dbg:tracer(),
%%% dbg:p(all, c),
%%% dbg:tpl(gen_statem, cx),
+%%% dbg:tpl(sys, cx),
[{watchdog, Dog} | Config].
end_per_testcase(_CaseName, Config) ->
@@ -88,7 +110,7 @@ end_per_testcase(_CaseName, Config) ->
start1(Config) when is_list(Config) ->
%%OldFl = process_flag(trap_exit, true),
- {ok,Pid0} = gen_statem:start_link(?MODULE, [], []),
+ {ok,Pid0} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stop_it(Pid0),
@@ -102,7 +124,7 @@ start1(Config) when is_list(Config) ->
%% anonymous w. shutdown
start2(Config) when is_list(Config) ->
%% Dont link when shutdown
- {ok,Pid0} = gen_statem:start(?MODULE, [], []),
+ {ok,Pid0} = gen_statem:start(?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stopped = gen_statem:call(Pid0, {stop,shutdown}),
@@ -113,13 +135,15 @@ start2(Config) when is_list(Config) ->
start3(Config) when is_list(Config) ->
%%OldFl = process_flag(trap_exit, true),
- {ok,Pid0} = gen_statem:start(?MODULE, [], [{timeout,5}]),
+ {ok,Pid0} =
+ gen_statem:start(?MODULE, start_arg(Config, []), [{timeout,5}]),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stop_it(Pid0),
- {error,timeout} = gen_statem:start(?MODULE, sleep,
- [{timeout,5}]),
+ {error,timeout} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, sleep), [{timeout,5}]),
%%process_flag(trap_exit, OldFl),
ok = verify_empty_msgq().
@@ -128,7 +152,7 @@ start3(Config) when is_list(Config) ->
start4(Config) when is_list(Config) ->
OldFl = process_flag(trap_exit, true),
- ignore = gen_statem:start(?MODULE, ignore, []),
+ ignore = gen_statem:start(?MODULE, start_arg(Config, ignore), []),
process_flag(trap_exit, OldFl),
ok = verify_empty_msgq().
@@ -138,14 +162,14 @@ start5(suite) -> [];
start5(Config) when is_list(Config) ->
OldFl = process_flag(trap_exit, true),
- {error,stopped} = gen_statem:start(?MODULE, stop, []),
+ {error,stopped} = gen_statem:start(?MODULE, start_arg(Config, stop), []),
process_flag(trap_exit, OldFl),
ok = verify_empty_msgq().
%% anonymous linked
start6(Config) when is_list(Config) ->
- {ok,Pid} = gen_statem:start_link(?MODULE, [], []),
+ {ok,Pid} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
stop_it(Pid),
@@ -157,11 +181,11 @@ start7(Config) when is_list(Config) ->
STM = {global,my_stm},
{ok,Pid} =
- gen_statem:start_link(STM, ?MODULE, [], []),
+ gen_statem:start_link(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start_link(STM, ?MODULE, [], []),
+ gen_statem:start_link(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
@@ -179,9 +203,9 @@ start8(Config) when is_list(Config) ->
STM = {local,Name},
{ok,Pid} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
@@ -199,9 +223,9 @@ start9(Config) when is_list(Config) ->
STM = {local,Name},
{ok,Pid} =
- gen_statem:start_link(STM, ?MODULE, [], []),
+ gen_statem:start_link(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
@@ -217,11 +241,11 @@ start10(Config) when is_list(Config) ->
STM = {global,my_stm},
{ok,Pid} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start(STM, ?MODULE, [], []),
+ gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start_link(STM, ?MODULE, [], []),
+ gen_statem:start_link(STM, ?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
@@ -238,19 +262,19 @@ start11(Config) when is_list(Config) ->
GlobalSTM = {global,Name},
{ok,Pid} =
- gen_statem:start_link(LocalSTM, ?MODULE, [], []),
+ gen_statem:start_link(LocalSTM, ?MODULE, start_arg(Config, []), []),
stop_it(Pid),
{ok,_Pid1} =
- gen_statem:start_link(LocalSTM, ?MODULE, [], []),
+ gen_statem:start_link(LocalSTM, ?MODULE, start_arg(Config, []), []),
stop_it(Name),
{ok,Pid2} =
- gen_statem:start(GlobalSTM, ?MODULE, [], []),
+ gen_statem:start(GlobalSTM, ?MODULE, start_arg(Config, []), []),
stop_it(Pid2),
receive after 1 -> true end,
Result =
- gen_statem:start(GlobalSTM, ?MODULE, [], []),
+ gen_statem:start(GlobalSTM, ?MODULE, start_arg(Config, []), []),
io:format("Result = ~p~n",[Result]),
{ok,_Pid3} = Result,
stop_it(GlobalSTM),
@@ -263,11 +287,11 @@ start12(Config) when is_list(Config) ->
VIA = {via,dummy_via,my_stm},
{ok,Pid} =
- gen_statem:start_link(VIA, ?MODULE, [], []),
+ gen_statem:start_link(VIA, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start_link(VIA, ?MODULE, [], []),
+ gen_statem:start_link(VIA, ?MODULE, start_arg(Config, []), []),
{error,{already_started,Pid}} =
- gen_statem:start(VIA, ?MODULE, [], []),
+ gen_statem:start(VIA, ?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid),
ok = do_sync_func_test(Pid),
@@ -279,23 +303,23 @@ start12(Config) when is_list(Config) ->
%% Anonymous, reason 'normal'
-stop1(_Config) ->
- {ok,Pid} = gen_statem:start(?MODULE, [], []),
+stop1(Config) ->
+ {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop(Pid),
false = erlang:is_process_alive(Pid),
noproc =
?EXPECT_FAILURE(gen_statem:stop(Pid), Reason).
%% Anonymous, other reason
-stop2(_Config) ->
- {ok,Pid} = gen_statem:start(?MODULE, [], []),
+stop2(Config) ->
+ {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop(Pid, other_reason, infinity),
false = erlang:is_process_alive(Pid),
ok.
%% Anonymous, invalid timeout
-stop3(_Config) ->
- {ok,Pid} = gen_statem:start(?MODULE, [], []),
+stop3(Config) ->
+ {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
_ =
?EXPECT_FAILURE(
gen_statem:stop(Pid, other_reason, invalid_timeout),
@@ -306,8 +330,10 @@ stop3(_Config) ->
ok.
%% Registered name
-stop4(_Config) ->
- {ok,Pid} = gen_statem:start({local,to_stop},?MODULE, [], []),
+stop4(Config) ->
+ {ok,Pid} =
+ gen_statem:start(
+ {local,to_stop},?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop(to_stop),
false = erlang:is_process_alive(Pid),
noproc =
@@ -315,9 +341,11 @@ stop4(_Config) ->
ok.
%% Registered name and local node
-stop5(_Config) ->
+stop5(Config) ->
Name = to_stop,
- {ok,Pid} = gen_statem:start({local,Name},?MODULE, [], []),
+ {ok,Pid} =
+ gen_statem:start(
+ {local,Name},?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop({Name,node()}),
false = erlang:is_process_alive(Pid),
noproc =
@@ -325,9 +353,9 @@ stop5(_Config) ->
ok.
%% Globally registered name
-stop6(_Config) ->
+stop6(Config) ->
STM = {global,to_stop},
- {ok,Pid} = gen_statem:start(STM, ?MODULE, [], []),
+ {ok,Pid} = gen_statem:start(STM, ?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop(STM),
false = erlang:is_process_alive(Pid),
noproc =
@@ -335,11 +363,10 @@ stop6(_Config) ->
ok.
%% 'via' registered name
-stop7(_Config) ->
+stop7(Config) ->
VIA = {via,dummy_via,to_stop},
dummy_via:reset(),
- {ok,Pid} = gen_statem:start(VIA,
- ?MODULE, [], []),
+ {ok,Pid} = gen_statem:start(VIA, ?MODULE, start_arg(Config, []), []),
ok = gen_statem:stop(VIA),
false = erlang:is_process_alive(Pid),
noproc =
@@ -347,46 +374,55 @@ stop7(_Config) ->
ok.
%% Anonymous on remote node
-stop8(_Config) ->
+stop8(Config) ->
{ok,Node} = ?t:start_node(gen_statem_stop8, slave, []),
Dir = filename:dirname(code:which(?MODULE)),
rpc:call(Node, code, add_path, [Dir]),
- {ok,Pid} = rpc:call(Node, gen_statem,start, [?MODULE,[],[]]),
+ {ok,Pid} =
+ rpc:call(
+ Node, gen_statem,start,
+ [?MODULE,start_arg(Config, []),[]]),
ok = gen_statem:stop(Pid),
false = rpc:call(Node, erlang, is_process_alive, [Pid]),
noproc =
?EXPECT_FAILURE(gen_statem:stop(Pid), Reason1),
true = ?t:stop_node(Node),
- {nodedown,Node} =
+ {{nodedown,Node},{sys,terminate,_}} =
?EXPECT_FAILURE(gen_statem:stop(Pid), Reason2),
ok.
%% Registered name on remote node
-stop9(_Config) ->
+stop9(Config) ->
Name = to_stop,
LocalSTM = {local,Name},
{ok,Node} = ?t:start_node(gen_statem__stop9, slave, []),
STM = {Name,Node},
Dir = filename:dirname(code:which(?MODULE)),
rpc:call(Node, code, add_path, [Dir]),
- {ok,Pid} = rpc:call(Node, gen_statem, start, [LocalSTM,?MODULE,[],[]]),
+ {ok,Pid} =
+ rpc:call(
+ Node, gen_statem, start,
+ [LocalSTM,?MODULE,start_arg(Config, []),[]]),
ok = gen_statem:stop(STM),
undefined = rpc:call(Node,erlang,whereis,[Name]),
false = rpc:call(Node,erlang,is_process_alive,[Pid]),
noproc =
?EXPECT_FAILURE(gen_statem:stop(STM), Reason1),
true = ?t:stop_node(Node),
- {nodedown,Node} =
+ {{nodedown,Node},{sys,terminate,_}} =
?EXPECT_FAILURE(gen_statem:stop(STM), Reason2),
ok.
%% Globally registered name on remote node
-stop10(_Config) ->
+stop10(Config) ->
STM = {global,to_stop},
{ok,Node} = ?t:start_node(gen_statem_stop10, slave, []),
Dir = filename:dirname(code:which(?MODULE)),
rpc:call(Node,code,add_path,[Dir]),
- {ok,Pid} = rpc:call(Node, gen_statem, start, [STM,?MODULE,[],[]]),
+ {ok,Pid} =
+ rpc:call(
+ Node, gen_statem, start,
+ [STM,?MODULE,start_arg(Config, []),[]]),
global:sync(),
ok = gen_statem:stop(STM),
false = rpc:call(Node, erlang, is_process_alive, [Pid]),
@@ -402,7 +438,8 @@ abnormal1(Config) when is_list(Config) ->
Name = abnormal1,
LocalSTM = {local,Name},
- {ok, _Pid} = gen_statem:start(LocalSTM, ?MODULE, [], []),
+ {ok, _Pid} =
+ gen_statem:start(LocalSTM, ?MODULE, start_arg(Config, []), []),
%% timeout call.
delayed = gen_statem:call(Name, {delayed_answer,1}, 100),
@@ -410,13 +447,14 @@ abnormal1(Config) when is_list(Config) ->
?EXPECT_FAILURE(
gen_statem:call(Name, {delayed_answer,1000}, 10),
Reason),
+ ok = gen_statem:stop(Name),
ok = verify_empty_msgq().
%% 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) when is_list(Config) ->
OldFl = process_flag(trap_exit, true),
- {ok,Pid} = gen_statem:start_link(?MODULE, [], []),
+ {ok,Pid} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
%% bad return value in the gen_statem loop
{{bad_return_value,badreturn},_} =
@@ -433,7 +471,7 @@ abnormal2(Config) when is_list(Config) ->
shutdown(Config) when is_list(Config) ->
process_flag(trap_exit, true),
- {ok,Pid0} = gen_statem:start_link(?MODULE, [], []),
+ {ok,Pid0} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stopped = gen_statem:call(Pid0, {stop,{shutdown,reason}}),
@@ -454,7 +492,7 @@ shutdown(Config) when is_list(Config) ->
sys1(Config) when is_list(Config) ->
- {ok,Pid} = gen_statem:start(?MODULE, [], []),
+ {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
{status, Pid, {module,gen_statem}, _} = sys:get_status(Pid),
sys:suspend(Pid),
Parent = self(),
@@ -477,7 +515,7 @@ sys1(Config) when is_list(Config) ->
stop_it(Pid).
call_format_status(Config) when is_list(Config) ->
- {ok,Pid} = gen_statem:start(?MODULE, [], []),
+ {ok,Pid} = gen_statem:start(?MODULE, start_arg(Config, []), []),
Status = sys:get_status(Pid),
{status,Pid,_Mod,[_PDict,running,_,_, Data]} = Status,
[format_status_called|_] = lists:reverse(Data),
@@ -485,7 +523,9 @@ call_format_status(Config) when is_list(Config) ->
%% check that format_status can handle a name being an atom (pid is
%% already checked by the previous test)
- {ok, Pid2} = gen_statem:start({local, gstm}, ?MODULE, [], []),
+ {ok, Pid2} =
+ gen_statem:start(
+ {local, gstm}, ?MODULE, start_arg(Config, []), []),
Status2 = sys:get_status(gstm),
{status,Pid2,_Mod,[_PDict2,running,_,_,Data2]} = Status2,
[format_status_called|_] = lists:reverse(Data2),
@@ -494,13 +534,17 @@ call_format_status(Config) when is_list(Config) ->
%% check that format_status can handle a name being a term other than a
%% pid or atom
GlobalName1 = {global,"CallFormatStatus"},
- {ok,Pid3} = gen_statem:start(GlobalName1, ?MODULE, [], []),
+ {ok,Pid3} =
+ gen_statem:start(
+ GlobalName1, ?MODULE, start_arg(Config, []), []),
Status3 = sys:get_status(GlobalName1),
{status,Pid3,_Mod,[_PDict3,running,_,_,Data3]} = Status3,
[format_status_called|_] = lists:reverse(Data3),
stop_it(Pid3),
GlobalName2 = {global,{name, "term"}},
- {ok,Pid4} = gen_statem:start(GlobalName2, ?MODULE, [], []),
+ {ok,Pid4} =
+ gen_statem:start(
+ GlobalName2, ?MODULE, start_arg(Config, []), []),
Status4 = sys:get_status(GlobalName2),
{status,Pid4,_Mod,[_PDict4,running,_,_, Data4]} = Status4,
[format_status_called|_] = lists:reverse(Data4),
@@ -510,13 +554,15 @@ call_format_status(Config) when is_list(Config) ->
%% pid or atom
dummy_via:reset(),
ViaName1 = {via,dummy_via,"CallFormatStatus"},
- {ok,Pid5} = gen_statem:start(ViaName1, ?MODULE, [], []),
+ {ok,Pid5} = gen_statem:start(ViaName1, ?MODULE, start_arg(Config, []), []),
Status5 = sys:get_status(ViaName1),
{status,Pid5,_Mod, [_PDict5,running,_,_, Data5]} = Status5,
[format_status_called|_] = lists:reverse(Data5),
stop_it(Pid5),
ViaName2 = {via,dummy_via,{name,"term"}},
- {ok, Pid6} = gen_statem:start(ViaName2, ?MODULE, [], []),
+ {ok, Pid6} =
+ gen_statem:start(
+ ViaName2, ?MODULE, start_arg(Config, []), []),
Status6 = sys:get_status(ViaName2),
{status,Pid6,_Mod,[_PDict6,running,_,_,Data6]} = Status6,
[format_status_called|_] = lists:reverse(Data6),
@@ -528,7 +574,9 @@ error_format_status(Config) when is_list(Config) ->
error_logger_forwarder:register(),
OldFl = process_flag(trap_exit, true),
StateData = "called format_status",
- {ok,Pid} = gen_statem:start(?MODULE, {state_data,StateData}, []),
+ {ok,Pid} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, {state_data,StateData}), []),
%% bad return value in the gen_statem loop
{{bad_return_value,badreturn},_} =
?EXPECT_FAILURE(gen_statem:call(Pid, badreturn), Reason),
@@ -562,7 +610,9 @@ terminate_crash_format(Config) when is_list(Config) ->
error_logger_forwarder:register(),
OldFl = process_flag(trap_exit, true),
StateData = crash_terminate,
- {ok,Pid} = gen_statem:start(?MODULE, {state_data,StateData}, []),
+ {ok,Pid} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, {state_data,StateData}), []),
stop_it(Pid),
Self = self(),
receive
@@ -595,7 +645,9 @@ terminate_crash_format(Config) when is_list(Config) ->
get_state(Config) when is_list(Config) ->
State = self(),
- {ok,Pid} = gen_statem:start(?MODULE, {state_data,State}, []),
+ {ok,Pid} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, {state_data,State}), []),
{idle,State} = sys:get_state(Pid),
{idle,State} = sys:get_state(Pid, 5000),
stop_it(Pid),
@@ -603,13 +655,16 @@ get_state(Config) when is_list(Config) ->
%% check that get_state can handle a name being an atom (pid is
%% already checked by the previous test)
{ok,Pid2} =
- gen_statem:start({local,gstm}, ?MODULE, {state_data,State}, []),
+ gen_statem:start(
+ {local,gstm}, ?MODULE, start_arg(Config, {state_data,State}), []),
{idle,State} = sys:get_state(gstm),
{idle,State} = sys:get_state(gstm, 5000),
stop_it(Pid2),
%% check that get_state works when pid is sys suspended
- {ok,Pid3} = gen_statem:start(?MODULE, {state_data,State}, []),
+ {ok,Pid3} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, {state_data,State}), []),
{idle,State} = sys:get_state(Pid3),
ok = sys:suspend(Pid3),
{idle,State} = sys:get_state(Pid3, 5000),
@@ -619,7 +674,9 @@ get_state(Config) when is_list(Config) ->
replace_state(Config) when is_list(Config) ->
State = self(),
- {ok, Pid} = gen_statem:start(?MODULE, {state_data,State}, []),
+ {ok, Pid} =
+ gen_statem:start(
+ ?MODULE, start_arg(Config, {state_data,State}), []),
{idle,State} = sys:get_state(Pid),
NState1 = "replaced",
Replace1 = fun({StateName, _}) -> {StateName,NState1} end,
@@ -650,7 +707,9 @@ replace_state(Config) when is_list(Config) ->
hibernate(Config) when is_list(Config) ->
OldFl = process_flag(trap_exit, true),
- {ok,Pid0} = gen_statem:start_link(?MODULE, hiber_now, []),
+ {ok,Pid0} =
+ gen_statem:start_link(
+ ?MODULE, start_arg(Config, hiber_now), []),
is_in_erlang_hibernate(Pid0),
stop_it(Pid0),
receive
@@ -659,7 +718,8 @@ hibernate(Config) when is_list(Config) ->
?t:fail(gen_statem_did_not_die)
end,
- {ok,Pid} = gen_statem:start_link(?MODULE, hiber, []),
+ {ok,Pid} =
+ gen_statem:start_link(?MODULE, start_arg(Config, hiber), []),
true = ({current_function,{erlang,hibernate,3}} =/=
erlang:process_info(Pid,current_function)),
hibernating = gen_statem:call(Pid, hibernate_sync),
@@ -1031,6 +1091,14 @@ verify_empty_msgq() ->
[] = ?t:messages_get(),
ok.
+start_arg(Config, Arg) ->
+ case lists:keyfind(init_ops, 1, Config) of
+ {_,Ops} ->
+ {init_ops,Arg,Ops};
+ false ->
+ Arg
+ end.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% The State Machine
@@ -1052,7 +1120,16 @@ init(hiber_now) ->
{ok,hiber_idle,[],[hibernate]};
init({state_data, StateData}) ->
{ok,idle,StateData};
-init(_) ->
+init({init_ops,Arg,InitOps}) ->
+ case init(Arg) of
+ {ok,State,Data,Ops} ->
+ {ok,State,Data,InitOps++Ops};
+ {ok,State,Data} ->
+ {ok,State,Data,InitOps};
+ Other ->
+ Other
+ end;
+init([]) ->
{ok,idle,state_data}.
terminate(_, _State, crash_terminate) ->
@@ -1247,6 +1324,35 @@ handle_common_events(cast, {'alive?',Pid}, _, State, Data) ->
handle_common_events(_, _, _, _, _) ->
undefined.
+%% Dispatcher to test callback_mode handle_event_function
+%%
+%% Wrap the state in a 1 element list just to test non-atom
+%% states. Note that the state from init/1 is not wrapped
+%% so both atom and non-atom states are tested.
+handle_event(Type, Event, PrevState, State, Data) ->
+ PrevStateName = unwrap(PrevState),
+ StateName = unwrap(State),
+ case
+ ?MODULE:StateName(
+ Type, Event, PrevStateName, StateName, Data) of
+ {next_state,NewState,NewStateData} ->
+ {next_state,wrap(NewState),NewStateData};
+ {next_state,NewState,NewStateData,StateOps} ->
+ {next_state,wrap(NewState),NewStateData,StateOps};
+ Other ->
+ Other
+ end.
+
+unwrap([State]) ->
+ State;
+unwrap(State) ->
+ State.
+
+wrap(State) ->
+ [State].
+
+
+
code_change(_OldVsn, State, StateData, _Extra) ->
{ok,State,StateData}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 04:18:02 +0000