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-rw-r--r--lib/stdlib/test/gen_server_SUITE.erl139
1 files changed, 75 insertions, 64 deletions
diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl
index 30dabf63c5..66341f495f 100644
--- a/lib/stdlib/test/gen_server_SUITE.erl
+++ b/lib/stdlib/test/gen_server_SUITE.erl
@@ -641,15 +641,13 @@ 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
@@ -657,70 +655,66 @@ 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
@@ -730,6 +724,23 @@ 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 09:25:52 +0000