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-rw-r--r--erts/emulator/test/system_info_SUITE.erl105
1 files changed, 99 insertions, 6 deletions
diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl
index 56522039da..4e663fed7f 100644
--- a/erts/emulator/test/system_info_SUITE.erl
+++ b/erts/emulator/test/system_info_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2018. 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.
@@ -37,7 +37,9 @@
-export([process_count/1, system_version/1, misc_smoke_tests/1,
heap_size/1, wordsize/1, memory/1, ets_limit/1, atom_limit/1,
- atom_count/1]).
+ ets_count/1, atom_count/1, system_logger/1]).
+
+-export([init/1, handle_event/2, handle_call/2]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -45,7 +47,8 @@ suite() ->
all() ->
[process_count, system_version, misc_smoke_tests,
- heap_size, wordsize, memory, ets_limit, atom_limit, atom_count].
+ ets_count, heap_size, wordsize, memory, ets_limit, atom_limit, atom_count,
+ system_logger].
%%%
%%% The test cases -------------------------------------------------------------
@@ -308,9 +311,9 @@ memory_test(_Config) ->
mem_workers_call(MWs,
fun () ->
- list_to_atom("an ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
- list_to_atom("another ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
- list_to_atom("yet another ugly atom "++integer_to_list(erlang:system_info(scheduler_id)))
+ _ = list_to_atom("an ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
+ _ = list_to_atom("another ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
+ _ = list_to_atom("yet another ugly atom "++integer_to_list(erlang:system_info(scheduler_id)))
end, []),
cmp_memory(MWs, "new atoms"),
@@ -478,6 +481,21 @@ get_node_name(Config) ->
++ "-"
++ integer_to_list(erlang:unique_integer([positive]))).
+ets_count(Config) when is_list(Config) ->
+ [ets_count_do([Type | Named])
+ || Type <- [set, bag, duplicate_bag, ordered_set],
+ Named <- [[named_table], []]
+ ],
+ ok.
+
+ets_count_do(Opts) ->
+ Before = erlang:system_info(ets_count),
+ T = ets:new(?MODULE, Opts),
+ After = erlang:system_info(ets_count),
+ After = Before + 1,
+ ets:delete(T),
+ Before = erlang:system_info(ets_count).
+
%% Verify system_info(ets_limit) reflects max ETS table settings.
ets_limit(Config0) when is_list(Config0) ->
@@ -556,3 +574,78 @@ atom_count(Config) when is_list(Config) ->
true = Limit >= Count2,
true = Count2 > Count1,
ok.
+
+
+system_logger(Config) when is_list(Config) ->
+
+ TC = self(),
+
+ ok = error_logger:add_report_handler(?MODULE, [TC]),
+
+ generate_log_event(),
+
+ flush(1, report_handler),
+
+ Initial = erlang:system_info(system_logger),
+
+ {Logger,_} = spawn_monitor(fun F() -> receive M -> TC ! {system_logger,M}, F() end end),
+
+ Initial = erlang:system_flag(system_logger, Logger),
+ Logger = erlang:system_info(system_logger),
+
+ generate_log_event(),
+ flush(1, system_logger),
+
+ Logger = erlang:system_flag(system_logger, Logger),
+
+ generate_log_event(),
+ flush(1, system_logger),
+
+ exit(Logger, die),
+ receive {'DOWN',_,_,_,_} -> ok end,
+
+ generate_log_event(),
+ flush(1, report_handler),
+
+ logger = erlang:system_info(system_logger),
+
+ logger = erlang:system_flag(system_logger, undefined),
+ generate_log_event(),
+ flush(),
+
+ undefined = erlang:system_flag(system_logger, Initial),
+
+ ok.
+
+flush() ->
+ receive
+ M ->
+ ct:fail({unexpected_message, M})
+ after 0 ->
+ ok
+ end.
+
+flush(0, _Pat) ->
+ flush();
+flush(Cnt, Pat) ->
+ receive
+ M when element(1,M) =:= Pat ->
+ ct:log("~p",[M]),
+ flush(Cnt-1, Pat)
+ after 500 ->
+ ct:fail({missing, Cnt, Pat})
+ end.
+
+generate_log_event() ->
+ {_Pid, Ref} = spawn_monitor(fun() -> ok = nok end),
+ receive {'DOWN', Ref, _, _, _} -> ok end.
+
+init([To]) ->
+ {ok, To}.
+
+handle_call(Msg, State) ->
+ {ok, Msg, State}.
+
+handle_event(Event, State) ->
+ State ! {report_handler, Event},
+ {ok, State}.