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authorBjörn-Egil Dahlberg <[email protected]>2016-12-20 17:14:02 +0100
committerBjörn-Egil Dahlberg <[email protected]>2016-12-29 10:53:44 +0100
commite261e4b4a025142f24c1f7a856493df6e62954f4 (patch)
treeb9e62e75b5c68978de03ed3c66ec5170dab82acf /lib/stdlib
parentff3fafc7f85503fde6bc7bc46f3ac1560ea507ea (diff)
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stdlib: Test gen_event options
Diffstat (limited to 'lib/stdlib')
-rw-r--r--lib/stdlib/test/gen_event_SUITE.erl84
1 files changed, 82 insertions, 2 deletions
diff --git a/lib/stdlib/test/gen_event_SUITE.erl b/lib/stdlib/test/gen_event_SUITE.erl
index 37ba4523f7..9a7400c84e 100644
--- a/lib/stdlib/test/gen_event_SUITE.erl
+++ b/lib/stdlib/test/gen_event_SUITE.erl
@@ -27,14 +27,16 @@
delete_handler/1, swap_handler/1, swap_sup_handler/1,
notify/1, sync_notify/1, call/1, info/1, hibernate/1,
call_format_status/1, call_format_status_anon/1,
- error_format_status/1, get_state/1, replace_state/1]).
+ error_format_status/1, get_state/1, replace_state/1,
+ start_opt/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[start, {group, test_all}, hibernate,
call_format_status, call_format_status_anon, error_format_status,
- get_state, replace_state].
+ get_state, replace_state,
+ start_opt].
groups() ->
[{test_all, [],
@@ -125,6 +127,84 @@ start(Config) when is_list(Config) ->
process_flag(trap_exit, OldFl),
ok.
+start_opt(Config) when is_list(Config) ->
+ OldFl = process_flag(trap_exit, true),
+
+ dummy_via:reset(),
+
+ {ok, Pid0} = gen_event:start([]), %anonymous
+ [] = gen_event:which_handlers(Pid0),
+ ok = gen_event:stop(Pid0),
+
+ {ok, Pid1} = gen_event:start_link([]), %anonymous
+ [] = gen_event:which_handlers(Pid1),
+ ok = gen_event:stop(Pid1),
+
+ {ok, Pid2} = gen_event:start(?LMGR, []),
+ [] = gen_event:which_handlers(my_dummy_name),
+ [] = gen_event:which_handlers(Pid2),
+ ok = gen_event:stop(my_dummy_name),
+
+ {ok, Pid3} = gen_event:start_link(?LMGR, []),
+ [] = gen_event:which_handlers(my_dummy_name),
+ [] = gen_event:which_handlers(Pid3),
+ ok = gen_event:stop(my_dummy_name),
+
+ {ok, Pid4} = gen_event:start_link(?GMGR, []),
+ [] = gen_event:which_handlers(?GMGR),
+ [] = gen_event:which_handlers(Pid4),
+ ok = gen_event:stop(?GMGR),
+
+ {ok, Pid5} = gen_event:start_link({via, dummy_via, my_dummy_name}, []),
+ [] = gen_event:which_handlers({via, dummy_via, my_dummy_name}),
+ [] = gen_event:which_handlers(Pid5),
+ ok = gen_event:stop({via, dummy_via, my_dummy_name}),
+
+ {ok, _} = gen_event:start_link(?LMGR, []),
+ {error, {already_started, _}} = gen_event:start_link(?LMGR, []),
+ {error, {already_started, _}} = gen_event:start(?LMGR, []),
+ ok = gen_event:stop(my_dummy_name),
+
+ {ok, Pid7} = gen_event:start_link(?GMGR),
+ {error, {already_started, _}} = gen_event:start_link(?GMGR, []),
+ {error, {already_started, _}} = gen_event:start(?GMGR, []),
+
+ ok = gen_event:stop(?GMGR, shutdown, 10000),
+ receive
+ {'EXIT', Pid7, shutdown} -> ok
+ after 10000 ->
+ ct:fail(exit_gen_event)
+ end,
+
+ {ok, Pid8} = gen_event:start_link({via, dummy_via, my_dummy_name}),
+ {error, {already_started, _}} = gen_event:start_link({via, dummy_via, my_dummy_name}, []),
+ {error, {already_started, _}} = gen_event:start({via, dummy_via, my_dummy_name}, []),
+
+ exit(Pid8, shutdown),
+ receive
+ {'EXIT', Pid8, shutdown} -> ok
+ after 10000 ->
+ ct:fail(exit_gen_event)
+ end,
+
+ %% test spawn_opt
+ MinHeapSz = 10000,
+ {ok, Pid9} = gen_event:start_link(?LMGR, [{spawn_opt, [{min_heap_size, MinHeapSz}]}]),
+ {error, {already_started, _}} = gen_event:start_link(?LMGR, []),
+ {error, {already_started, _}} = gen_event:start(?LMGR, []),
+ {heap_size, HeapSz} = erlang:process_info(Pid9, heap_size),
+ true = HeapSz > MinHeapSz,
+ ok = gen_event:stop(my_dummy_name),
+
+ %% test debug opt
+ {ok, _} = gen_event:start_link(?LMGR, [{debug,[debug]}]),
+ {error, {already_started, _}} = gen_event:start_link(?LMGR, []),
+ {error, {already_started, _}} = gen_event:start(?LMGR, []),
+ ok = gen_event:stop(my_dummy_name),
+
+ process_flag(trap_exit, OldFl),
+ ok.
+
hibernate(Config) when is_list(Config) ->
{ok,Pid} = gen_event:start({local, my_dummy_handler}),
ok = gen_event:add_handler(my_dummy_handler, dummy_h, [self()]),