diff options
Diffstat (limited to 'lib/stdlib/test/supervisor_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/supervisor_SUITE.erl | 95 |
1 files changed, 92 insertions, 3 deletions
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl index da6996cc9f..d3d140abbc 100644 --- a/lib/stdlib/test/supervisor_SUITE.erl +++ b/lib/stdlib/test/supervisor_SUITE.erl @@ -29,7 +29,8 @@ end_per_testcase/2]). %% Internal export --export([init/1, terminate_all_children/1]). +-export([init/1, terminate_all_children/1, + middle9212/0, gen_server9212/0, handle_info/2]). %% API tests -export([ sup_start_normal/1, sup_start_ignore_init/1, @@ -58,7 +59,8 @@ -export([child_unlink/1, tree/1, count_children_memory/1, do_not_save_start_parameters_for_temporary_children/1, do_not_save_child_specs_for_temporary_children/1, - simple_one_for_one_scale_many_temporary_children/1]). + simple_one_for_one_scale_many_temporary_children/1, + simple_global_supervisor/1]). %%------------------------------------------------------------------------- @@ -77,7 +79,8 @@ all() -> {group, abnormal_termination}, child_unlink, tree, count_children_memory, do_not_save_start_parameters_for_temporary_children, do_not_save_child_specs_for_temporary_children, - simple_one_for_one_scale_many_temporary_children, temporary_bystander]. + simple_one_for_one_scale_many_temporary_children, temporary_bystander, + simple_global_supervisor]. groups() -> [{sup_start, [], @@ -1388,6 +1391,92 @@ terminate_all_children([]) -> done. +%%------------------------------------------------------------------------- +%% OTP-9212. Restart of global supervisor. +simple_global_supervisor(_Config) -> + kill_supervisor(), + kill_worker(), + exit_worker(), + restart_worker(), + ok. + +kill_supervisor() -> + {Top, Sup2_1, Server_1} = start9212(), + + %% Killing a supervisor isn't really supported, but try it anyway... + exit(Sup2_1, kill), + timer:sleep(200), + Sup2_2 = global:whereis_name(sup2), + Server_2 = global:whereis_name(server), + true = is_pid(Sup2_2), + true = is_pid(Server_2), + true = Sup2_1 =/= Sup2_2, + true = Server_1 =/= Server_2, + + stop9212(Top). + +handle_info({fail, With, After}, _State) -> + timer:sleep(After), + erlang:error(With). + +kill_worker() -> + {Top, _Sup2, Server_1} = start9212(), + exit(Server_1, kill), + timer:sleep(200), + Server_2 = global:whereis_name(server), + true = is_pid(Server_2), + true = Server_1 =/= Server_2, + stop9212(Top). + +exit_worker() -> + %% Very much the same as kill_worker(). + {Top, _Sup2, Server_1} = start9212(), + Server_1 ! {fail, normal, 0}, + timer:sleep(200), + Server_2 = global:whereis_name(server), + true = is_pid(Server_2), + true = Server_1 =/= Server_2, + stop9212(Top). + +restart_worker() -> + {Top, _Sup2, Server_1} = start9212(), + ok = supervisor:terminate_child({global, sup2}, child), + {ok, _Child} = supervisor:restart_child({global, sup2}, child), + Server_2 = global:whereis_name(server), + true = is_pid(Server_2), + true = Server_1 =/= Server_2, + stop9212(Top). + +start9212() -> + Middle = {middle,{?MODULE,middle9212,[]}, permanent,2000,supervisor,[]}, + InitResult = {ok, {{one_for_all,3,60}, [Middle]}}, + {ok, TopPid} = start_link(InitResult), + + Sup2 = global:whereis_name(sup2), + Server = global:whereis_name(server), + true = is_pid(Sup2), + true = is_pid(Server), + {TopPid, Sup2, Server}. + +stop9212(Top) -> + Old = process_flag(trap_exit, true), + exit(Top, kill), + timer:sleep(200), + undefined = global:whereis_name(sup2), + undefined = global:whereis_name(server), + check_exit([Top]), + _ = process_flag(trap_exit, Old), + ok. + +middle9212() -> + Child = {child, {?MODULE,gen_server9212,[]},permanent, 2000, worker, []}, + InitResult = {ok, {{one_for_all,3,60}, [Child]}}, + supervisor:start_link({global,sup2}, ?MODULE, InitResult). + +gen_server9212() -> + InitResult = {ok, []}, + gen_server:start_link({global,server}, ?MODULE, InitResult, []). + %%------------------------------------------------------------------------- terminate(Pid, Reason) when Reason =/= supervisor -> |