diff options
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/bif_SUITE.erl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index 509586826b..c7617d3b90 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -24,6 +24,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, + display/1, display_huge/0, types/1, t_list_to_existing_atom/1,os_env/1,otp_7526/1, binary_to_atom/1,binary_to_existing_atom/1, @@ -33,6 +34,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [types, t_list_to_existing_atom, os_env, otp_7526, + display, atom_to_binary, binary_to_atom, binary_to_existing_atom, min_max]. @@ -60,6 +62,31 @@ end_per_testcase(_Func, Config) -> Dog=?config(watchdog, Config), ?t:timetrap_cancel(Dog). + +display(suite) -> + []; +display(doc) -> + ["Uses erlang:display to test that erts_printf does not do deep recursion"]; +display(Config) when is_list(Config) -> + Pa = filename:dirname(code:which(?MODULE)), + {ok, Node} = test_server:start_node(display_huge_term,peer, + [{args, "-pa "++Pa}]), + true = rpc:call(Node,?MODULE,display_huge,[]), + test_server:stop_node(Node), + ok. + +display_huge() -> + erlang:display(deeep(100000)). + +deeep(0,Acc) -> + Acc; +deeep(N,Acc) -> + deeep(N-1,[Acc|[]]). + +deeep(N) -> + deeep(N,[hello]). + + types(Config) when is_list(Config) -> c:l(erl_bif_types), case erlang:function_exported(erl_bif_types, module_info, 0) of |