diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/dummy1_h.erl | 5 | ||||
| -rw-r--r-- | lib/stdlib/test/gen_event_SUITE.erl | 59 |
2 files changed, 60 insertions, 4 deletions
diff --git a/lib/stdlib/test/dummy1_h.erl b/lib/stdlib/test/dummy1_h.erl index 4377d774a3..8bbe729646 100644 --- a/lib/stdlib/test/dummy1_h.erl +++ b/lib/stdlib/test/dummy1_h.erl @@ -21,7 +21,7 @@ %% Test event handler for gen_event_SUITE.erl -export([init/1, handle_event/2, handle_call/2, handle_info/2, - terminate/2]). + terminate/2, format_status/2]). init(make_error) -> {error, my_error}; @@ -67,4 +67,5 @@ terminate(remove_handler, Parent) -> terminate(_Reason, _State) -> ok. - +format_status(_Opt, [_PDict, _State]) -> + "dummy1_h handler state". diff --git a/lib/stdlib/test/gen_event_SUITE.erl b/lib/stdlib/test/gen_event_SUITE.erl index 8cbffaca56..4f7de451e3 100644 --- a/lib/stdlib/test/gen_event_SUITE.erl +++ b/lib/stdlib/test/gen_event_SUITE.erl @@ -23,9 +23,11 @@ -export([all/1]). -export([start/1, test_all/1, add_handler/1, add_sup_handler/1, delete_handler/1, swap_handler/1, swap_sup_handler/1, - notify/1, sync_notify/1, call/1, info/1, hibernate/1]). + notify/1, sync_notify/1, call/1, info/1, hibernate/1, + call_format_status/1, error_format_status/1]). -all(suite) -> {req, [stdlib], [start, test_all, hibernate]}. +all(suite) -> {req, [stdlib], [start, test_all, hibernate, + call_format_status, error_format_status]}. %% -------------------------------------- %% Start an event manager. @@ -844,3 +846,56 @@ info(Config) when is_list(Config) -> ?line ok = gen_event:stop(my_dummy_handler), ok. + +call_format_status(suite) -> + []; +call_format_status(doc) -> + ["Test that sys:get_status/1,2 calls format_status/2"]; +call_format_status(Config) when is_list(Config) -> + ?line {ok, Pid} = gen_event:start({local, my_dummy_handler}), + %% State here intentionally differs from what we expect from format_status + State = self(), + FmtState = "dummy1_h handler state", + ?line ok = gen_event:add_handler(my_dummy_handler, dummy1_h, [State]), + ?line Status1 = sys:get_status(Pid), + ?line Status2 = sys:get_status(Pid, 5000), + ?line ok = gen_event:stop(Pid), + ?line {status, Pid, _, [_, _, Pid, [], Data1]} = Status1, + ?line HandlerInfo1 = proplists:get_value(items, Data1), + ?line {"Installed handlers", [{_,dummy1_h,_,FmtState,_}]} = HandlerInfo1, + ?line {status, Pid, _, [_, _, Pid, [], Data2]} = Status2, + ?line HandlerInfo2 = proplists:get_value(items, Data2), + ?line {"Installed handlers", [{_,dummy1_h,_,FmtState,_}]} = HandlerInfo2, + ok. + +error_format_status(suite) -> + []; +error_format_status(doc) -> + ["Test that a handler error calls format_status/2"]; +error_format_status(Config) when is_list(Config) -> + ?line error_logger_forwarder:register(), + OldFl = process_flag(trap_exit, true), + State = self(), + ?line {ok, Pid} = gen_event:start({local, my_dummy_handler}), + ?line ok = gen_event:add_sup_handler(my_dummy_handler, dummy1_h, [State]), + ?line ok = gen_event:notify(my_dummy_handler, do_crash), + ?line receive + {gen_event_EXIT,dummy1_h,{'EXIT',_}} -> ok + after 5000 -> + ?t:fail(exit_gen_event) + end, + FmtState = "dummy1_h handler state", + receive + {error,_GroupLeader, {Pid, + "** gen_event handler"++_, + [dummy1_h,my_dummy_handler,do_crash, + FmtState, _]}} -> + ok; + Other -> + ?line io:format("Unexpected: ~p", [Other]), + ?line ?t:fail() + end, + ?t:messages_get(), + ?line ok = gen_event:stop(Pid), + process_flag(trap_exit, OldFl), + ok. |