diff options
Diffstat (limited to 'lib/stdlib/test/proc_lib_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/proc_lib_SUITE.erl | 178 |
1 files changed, 110 insertions, 68 deletions
diff --git a/lib/stdlib/test/proc_lib_SUITE.erl b/lib/stdlib/test/proc_lib_SUITE.erl index 3a8fa74d36..f7a6a38138 100644 --- a/lib/stdlib/test/proc_lib_SUITE.erl +++ b/lib/stdlib/test/proc_lib_SUITE.erl @@ -80,81 +80,123 @@ end_per_group(_GroupName, Config) -> crash(Config) when is_list(Config) -> error_logger:add_report_handler(?MODULE, self()), - Pid = proc_lib:spawn(?MODULE, sp1, []), - Pid ! die, - ?line Report = receive - {crash_report, Pid, Report0} -> Report0 - after 2000 -> test_server:fail(no_crash_report) - end, - ?line proc_lib:format(Report), - ?line [PidRep, []] = Report, - ?line {value, {initial_call,{?MODULE,sp1,[]}}} = - lists:keysearch(initial_call, 1, PidRep), - Self = self(), - ?line {value, {ancestors,[Self]}} = - lists:keysearch(ancestors, 1, PidRep), - ?line {value, {error_info,{exit,die,_StackTrace1}}} = - lists:keysearch(error_info, 1, PidRep), - - F = fun sp1/0, - Pid1 = proc_lib:spawn(node(), F), - Pid1 ! die, - ?line [PidRep1, []] = receive - {crash_report, Pid1, Report1} -> Report1 - after 2000 -> test_server:fail(no_crash_report) - end, - ?line {value, {initial_call,{Fmod,Fname,[]}}} = - lists:keysearch(initial_call, 1, PidRep1), - ?line {module,Fmod} = erlang:fun_info(F, module), - ?line {name,Fname} = erlang:fun_info(F, name), - ?line {value, {ancestors,[Self]}} = - lists:keysearch(ancestors, 1, PidRep1), - ?line {value, {error_info,{exit,die,_StackTrace2}}} = - lists:keysearch(error_info, 1, PidRep1), - - Pid2 = proc_lib:spawn(?MODULE, sp2, []), - test_server:sleep(100), - ?line {?MODULE,sp2,[]} = proc_lib:initial_call(Pid2), - ?line {?MODULE,sp2,0} = proc_lib:translate_initial_call(Pid2), - Pid2 ! die, - ?line [Pid2Rep, [{neighbour, LinkRep}]] = - receive - {crash_report, Pid2, Report2} -> Report2 - after 2000 -> test_server:fail(no_crash_report) - end, - ?line {value, {initial_call,{?MODULE,sp2,[]}}} = - lists:keysearch(initial_call, 1, Pid2Rep), - ?line {value, {ancestors,[Self]}} = - lists:keysearch(ancestors, 1, Pid2Rep), - ?line {value, {error_info,{exit,die,_StackTrace3}}} = - lists:keysearch(error_info, 1, Pid2Rep), - ?line {value, {initial_call,{?MODULE,sp1,[]}}} = - lists:keysearch(initial_call, 1, LinkRep), - %% Make sure that we don't get a crash report if a process %% terminates with reason 'shutdown' or reason {shutdown,Reason}. - ?line process_flag(trap_exit, true), - ?line Pid3 = proc_lib:spawn_link(erlang, apply, - [fun() -> exit(shutdown) end,[]]), - - ?line Pid4 = proc_lib:spawn_link(erlang, apply, - [fun() -> exit({shutdown,{a,b,c}}) end,[]]), + process_flag(trap_exit, true), + Pid0 = proc_lib:spawn_link(erlang, apply, + [fun() -> exit(shutdown) end,[]]), + Pid1 = proc_lib:spawn_link(erlang, apply, + [fun() -> exit({shutdown,{a,b,c}}) end,[]]), + + receive {'EXIT',Pid0,shutdown} -> ok end, + receive {'EXIT',Pid1,{shutdown,{a,b,c}}} -> ok end, + process_flag(trap_exit, false), + %% We expect any unexpected messages to be caught below, + %% so we don't have explicitly wait some time to be sure. + + %% Spawn export function. + Pid2 = proc_lib:spawn(?MODULE, sp1, []), + Pid2 ! die, + Exp2 = [{initial_call,{?MODULE,sp1,[]}}, + {ancestors,[self()]}, + {error_info,{exit,die,{stacktrace}}}], + analyse_crash(Pid2, Exp2, []), - ?line receive {'EXIT',Pid3,shutdown} -> ok end, - ?line receive {'EXIT',Pid4,{shutdown,{a,b,c}}} -> ok end, - ?line process_flag(trap_exit, false), + %% Spawn fun. + F = fun sp1/0, + Pid3 = proc_lib:spawn(node(), F), + Pid3 ! die, + {module,?MODULE} = erlang:fun_info(F, module), + {name,Fname} = erlang:fun_info(F, name), + Exp3 = [{initial_call,{?MODULE,Fname,[]}}, + {ancestors,[self()]}, + {error_info,{exit,die,{stacktrace}}}], + analyse_crash(Pid3, Exp3, []), - receive - Any -> - ?line ?t:fail({unexpected_message,Any}) - after 2000 -> - ok - end, + %% Spawn function with neighbour. + Pid4 = proc_lib:spawn(?MODULE, sp2, []), + test_server:sleep(100), + {?MODULE,sp2,[]} = proc_lib:initial_call(Pid4), + {?MODULE,sp2,0} = proc_lib:translate_initial_call(Pid4), + Pid4 ! die, + Exp4 = [{initial_call,{?MODULE,sp2,[]}}, + {ancestors,[self()]}, + {error_info,{exit,die,{stacktrace}}}], + Links4 = [[{initial_call,{?MODULE,sp1,[]}}, + {ancestors,[Pid4,self()]}]], + analyse_crash(Pid4, Exp4, Links4), + + %% Make sure that we still get a crash report if the + %% process dictionary have been tampered with. + + Pid5 = proc_lib:spawn(erlang, apply, + [fun() -> + erase(), + exit(abnormal) + end,[]]), + Exp5 = [{initial_call,absent}, + {ancestors,[]}, + {error_info,{exit,abnormal,{stacktrace}}}], + analyse_crash(Pid5, Exp5, []), error_logger:delete_report_handler(?MODULE), ok. +analyse_crash(Pid, Expected0, ExpLinks) -> + Expected = [{pid,Pid}|Expected0], + receive + {crash_report, Pid, Report} -> + _ = proc_lib:format(Report), %Smoke test. + [Crash,Links] = Report, + analyse_crash_1(Expected, Crash), + analyse_links(ExpLinks, Links); + Unexpected -> + io:format("~p\n", [Unexpected]), + test_server:fail(unexpected_message) + after 5000 -> + test_server:fail(no_crash_report) + end. + +analyse_links([H|Es], [{neighbour,N}|Links]) -> + analyse_crash_1(H, N), + analyse_links(Es, Links); +analyse_links([], []) -> + ok. +analyse_crash_1([{Key,absent}|T], Report) -> + false = lists:keymember(Key, 1, Report), + analyse_crash_1(T, Report); +analyse_crash_1([{Key,Pattern}|T], Report) -> + case lists:keyfind(Key, 1, Report) of + false -> + io:format("~p", [Report]), + test_server:fail({missing_key,Key}); + {Key,Info} -> + try + match_info(Pattern, Info) + catch + no_match -> + io:format("key: ~p", [Key]), + io:format("pattern: ~p", [Pattern]), + io:format("actual: ~p", [Report]), + test_server:fail(no_match) + end, + analyse_crash_1(T, Report) + end; +analyse_crash_1([], _Report) -> + []. + +match_info(T, T) -> + ok; +match_info({stacktrace}, Stk) when is_list(Stk) -> + ok; +match_info([H1|T1], [H2|T2]) -> + match_info(H1, H2), + match_info(T1, T2); +match_info(Tuple1, Tuple2) when tuple_size(Tuple1) =:= tuple_size(Tuple2) -> + match_info(tuple_to_list(Tuple1), tuple_to_list(Tuple2)); +match_info(_, _) -> + throw(no_match). sync_start_nolink(Config) when is_list(Config) -> _Pid = spawn_link(?MODULE, sp5, [self()]), @@ -369,7 +411,7 @@ init_dont_hang(Config) when is_list(Config) -> end. init_dont_hang_init(_Parent) -> - 1 = 2. + error(bad_init). %% Test proc_lib:stop/1,3 stop(_Config) -> @@ -453,7 +495,7 @@ stop(_Config) -> ok. system_terminate(crash,_Parent,_Deb,_State) -> - 1 = 2; + error({badmatch,2}); system_terminate(Reason,_Parent,_Deb,_State) -> exit(Reason). |