diff options
Diffstat (limited to 'lib/stdlib/test/gen_server_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/gen_server_SUITE.erl | 327 |
1 files changed, 245 insertions, 82 deletions
diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl index a360a0809b..0ae763a48d 100644 --- a/lib/stdlib/test/gen_server_SUITE.erl +++ b/lib/stdlib/test/gen_server_SUITE.erl @@ -1,18 +1,19 @@ %% %% %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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -32,9 +33,13 @@ spec_init_local_registered_parent/1, spec_init_global_registered_parent/1, otp_5854/1, hibernate/1, otp_7669/1, call_format_status/1, - error_format_status/1, get_state/1, replace_state/1, call_with_huge_message_queue/1 + error_format_status/1, terminate_crash_format/1, + get_state/1, replace_state/1, call_with_huge_message_queue/1 ]). +-export([stop1/1, stop2/1, stop3/1, stop4/1, stop5/1, stop6/1, stop7/1, + stop8/1, stop9/1, stop10/1]). + % spawn export -export([spec_init_local/2, spec_init_global/2, spec_init_via/2, spec_init_default_timeout/2, spec_init_global_default_timeout/2, @@ -50,18 +55,20 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [start, crash, call, cast, cast_fast, info, abcast, + [start, {group,stop}, crash, call, cast, cast_fast, info, abcast, multicall, multicall_down, call_remote1, call_remote2, call_remote3, call_remote_n1, call_remote_n2, call_remote_n3, spec_init, spec_init_local_registered_parent, spec_init_global_registered_parent, otp_5854, hibernate, - otp_7669, call_format_status, error_format_status, + otp_7669, + call_format_status, error_format_status, terminate_crash_format, get_state, replace_state, call_with_huge_message_queue]. groups() -> - []. + [{stop, [], + [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10]}]. init_per_suite(Config) -> Config. @@ -235,6 +242,105 @@ start(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +%% Anonymous, reason 'normal' +stop1(_Config) -> + {ok, Pid} = gen_server:start(?MODULE, [], []), + ok = gen_server:stop(Pid), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop(Pid)), + ok. + +%% Anonymous, other reason +stop2(_Config) -> + {ok,Pid} = gen_server:start(?MODULE, [], []), + ok = gen_server:stop(Pid, other_reason, infinity), + false = erlang:is_process_alive(Pid), + ok. + +%% Anonymous, invalid timeout +stop3(_Config) -> + {ok,Pid} = gen_server:start(?MODULE, [], []), + {'EXIT',_} = (catch gen_server:stop(Pid, other_reason, invalid_timeout)), + true = erlang:is_process_alive(Pid), + ok = gen_server:stop(Pid), + false = erlang:is_process_alive(Pid), + ok. + +%% Registered name +stop4(_Config) -> + {ok,Pid} = gen_server:start({local,to_stop},?MODULE, [], []), + ok = gen_server:stop(to_stop), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop(to_stop)), + ok. + +%% Registered name and local node +stop5(_Config) -> + {ok,Pid} = gen_server:start({local,to_stop},?MODULE, [], []), + ok = gen_server:stop({to_stop,node()}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({to_stop,node()})), + ok. + +%% Globally registered name +stop6(_Config) -> + {ok, Pid} = gen_server:start({global, to_stop}, ?MODULE, [], []), + ok = gen_server:stop({global,to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + ok. + +%% 'via' registered name +stop7(_Config) -> + dummy_via:reset(), + {ok, Pid} = gen_server:start({via, dummy_via, to_stop}, + ?MODULE, [], []), + ok = gen_server:stop({via, dummy_via, to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({via, dummy_via, to_stop})), + ok. + +%% Anonymous on remote node +stop8(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop8,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[?MODULE,[],[]]), + ok = gen_server:stop(Pid), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop(Pid)), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_server:stop(Pid)), + ok. + +%% Registered name on remote node +stop9(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop9,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[{local,to_stop},?MODULE,[],[]]), + ok = gen_server:stop({to_stop,Node}), + undefined = rpc:call(Node,erlang,whereis,[to_stop]), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop({to_stop,Node})), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_server:stop({to_stop,Node})), + ok. + +%% Globally registered name on remote node +stop10(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop10,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[{global,to_stop},?MODULE,[],[]]), + global:sync(), + ok = gen_server:stop({global,to_stop}), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + true = test_server:stop_node(Node), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + ok. + crash(Config) when is_list(Config) -> ?line error_logger_forwarder:register(), @@ -273,7 +379,9 @@ crash(Config) when is_list(Config) -> receive {error,_GroupLeader4,{Pid4, "** Generic server"++_, - [Pid4,crash,state4,crashed]}} -> + [Pid4,crash,{formatted, state4}, + {crashed,[{?MODULE,handle_call,3,_} + |_Stacktrace]}]}} -> ok; Other4a -> ?line io:format("Unexpected: ~p", [Other4a]), @@ -534,15 +642,13 @@ info(Config) when is_list(Config) -> end, ok. -hibernate(suite) -> []; hibernate(Config) when is_list(Config) -> OldFl = process_flag(trap_exit, true), - ?line {ok, Pid0} = + {ok, Pid0} = gen_server:start_link({local, my_test_name_hibernate0}, - gen_server_SUITE, hibernate, []), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid0,current_function), - ?line ok = gen_server:call(my_test_name_hibernate0, stop), + gen_server_SUITE, hibernate, []), + is_in_erlang_hibernate(Pid0), + ok = gen_server:call(my_test_name_hibernate0, stop), receive {'EXIT', Pid0, stopped} -> ok @@ -550,70 +656,66 @@ hibernate(Config) when is_list(Config) -> test_server:fail(gen_server_did_not_die) end, - ?line {ok, Pid} = + {ok, Pid} = gen_server:start_link({local, my_test_name_hibernate}, - gen_server_SUITE, [], []), + gen_server_SUITE, [], []), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = gen_server:call(my_test_name_hibernate, hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Parent = self(), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = gen_server:call(my_test_name_hibernate, hibernate), + is_in_erlang_hibernate(Pid), + Parent = self(), Fun = fun() -> - receive - go -> - ok - end, - receive - after 1000 -> - ok - end, - X = erlang:process_info(Pid,current_function), + receive go -> ok end, + receive after 1000 -> ok end, + X = erlang:process_info(Pid, current_function), Pid ! continue, Parent ! {result,X} end, - ?line Pid2 = spawn_link(Fun), - ?line true = gen_server:call(my_test_name_hibernate, {hibernate_noreply,Pid2}), - - ?line gen_server:cast(my_test_name_hibernate, hibernate_later), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line gen_server:cast(my_test_name_hibernate, hibernate_now), - ?line receive after 1000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_later, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_now, - ?line receive after 1000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive - {result,R} -> - ?line {current_function,{erlang,hibernate,3}} = R - end, - ?line true = gen_server:call(my_test_name_hibernate, hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line sys:suspend(my_test_name_hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line sys:resume(my_test_name_hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - - ?line ok = gen_server:call(my_test_name_hibernate, stop), + Pid2 = spawn_link(Fun), + true = gen_server:call(my_test_name_hibernate, {hibernate_noreply,Pid2}), + + gen_server:cast(my_test_name_hibernate, hibernate_later), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + gen_server:cast(my_test_name_hibernate, hibernate_now), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + Pid ! hibernate_later, + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + Pid ! hibernate_now, + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + receive + {result,R} -> + {current_function,{erlang,hibernate,3}} = R + end, + + true = gen_server:call(my_test_name_hibernate, hibernate), + is_in_erlang_hibernate(Pid), + sys:suspend(my_test_name_hibernate), + is_in_erlang_hibernate(Pid), + sys:resume(my_test_name_hibernate), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), + + ok = gen_server:call(my_test_name_hibernate, stop), receive {'EXIT', Pid, stopped} -> ok @@ -623,6 +725,23 @@ hibernate(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +is_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_in_erlang_hibernate_1(200, Pid). + +is_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + ok; + _ -> + receive after 10 -> ok end, + is_in_erlang_hibernate_1(N-1, Pid) + end. + %% -------------------------------------- %% Test gen_server:abcast and handle_cast. %% Test all different return values from @@ -1024,7 +1143,9 @@ error_format_status(Config) when is_list(Config) -> receive {error,_GroupLeader,{Pid, "** Generic server"++_, - [Pid,crash,State,crashed]}} -> + [Pid,crash,{formatted, State}, + {crashed,[{?MODULE,handle_call,3,_} + |_Stacktrace]}]}} -> ok; Other -> ?line io:format("Unexpected: ~p", [Other]), @@ -1034,6 +1155,33 @@ error_format_status(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +%% Verify that error when terminating correctly calls our format_status/2 fun +%% +terminate_crash_format(Config) when is_list(Config) -> + error_logger_forwarder:register(), + OldFl = process_flag(trap_exit, true), + State = crash_terminate, + {ok, Pid} = gen_server:start_link(?MODULE, {state, State}, []), + gen_server:call(Pid, stop), + receive {'EXIT', Pid, {crash, terminate}} -> ok end, + receive + {error,_GroupLeader,{Pid, + "** Generic server"++_, + [Pid,stop, {formatted, State}, + {{crash, terminate},[{?MODULE,terminate,2,_} + |_Stacktrace]}]}} -> + 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. + %% Verify that sys:get_state correctly returns gen_server state %% get_state(suite) -> @@ -1049,6 +1197,9 @@ get_state(Config) when is_list(Config) -> {ok, Pid} = gen_server:start_link(?MODULE, {state,State}, []), State = sys:get_state(Pid), State = sys:get_state(Pid, 5000), + ok = sys:suspend(Pid), + State = sys:get_state(Pid), + ok = sys:resume(Pid), ok. %% Verify that sys:replace_state correctly replaces gen_server state @@ -1075,8 +1226,18 @@ replace_state(Config) when is_list(Config) -> NState2 = sys:get_state(Pid, 5000), %% verify no change in state if replace function crashes Replace3 = fun(_) -> throw(fail) end, - NState2 = sys:replace_state(Pid, Replace3), + {'EXIT',{{callback_failed, + {gen_server,system_replace_state},{throw,fail}},_}} = + (catch sys:replace_state(Pid, Replace3)), NState2 = sys:get_state(Pid, 5000), + %% verify state replaced if process sys suspended + ok = sys:suspend(Pid), + Suffix2 = " and again", + NState3 = NState2 ++ Suffix2, + Replace4 = fun(S) -> S ++ Suffix2 end, + NState3 = sys:replace_state(Pid, Replace4), + ok = sys:resume(Pid), + NState3 = sys:get_state(Pid, 5000), ok. %% Test that the time for a huge message queue is not @@ -1310,10 +1471,12 @@ terminate({From, stopped}, _State) -> terminate({From, stopped_info}, _State) -> From ! {self(), stopped_info}, ok; +terminate(_, crash_terminate) -> + exit({crash, terminate}); terminate(_Reason, _State) -> ok. format_status(terminate, [_PDict, State]) -> - State; + {formatted, State}; format_status(normal, [_PDict, _State]) -> format_status_called. |