diff options
Diffstat (limited to 'erts/emulator/test/nif_SUITE.erl')
-rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index bec2291867..2afeb7e4cf 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -3037,14 +3037,17 @@ nif_ioq(Config) -> {enqbraw,a}, {enqbraw,a, 5}, {peek, a}, + {peek_head, a}, {deq, a, 42}, %% Test enqv {enqv, a, 2, 100}, + {peek_head, a}, {deq, a, all}, %% This skips all elements but one in the iolist {enqv, a, 5, iolist_size(nif_ioq_payload(5)) - 1}, + {peek_head, a}, {peek, a}, %% Test to enqueue a bunch of refc binaries @@ -3074,9 +3077,13 @@ nif_ioq(Config) -> Q = ioq_nif(create), + false = ioq_nif(peek_head, Q), + {'EXIT', {badarg, _}} = (catch ioq_nif(deq, Q, 1)), {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, 1, 1234)), + false = ioq_nif(peek_head, Q), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [atom_in_list], 0)), {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [make_ref()], 0)), {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [256], 0)), @@ -3085,6 +3092,8 @@ nif_ioq(Config) -> {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [1 bsl 64], 0)), {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [{tuple}], 0)), + false = ioq_nif(peek_head, Q), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [atom_in_list], use_stack)), {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [make_ref()], no_stack)), {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [256], use_stack)), @@ -3145,6 +3154,20 @@ nif_ioq_run([{peek, Name} = H|T], State) -> true = iolist_to_binary(B) == iolist_to_binary(Data), nif_ioq_run(T, State); +nif_ioq_run([{peek_head, Name} = H|T], State) -> + #{ q := IOQ, b := B } = maps:get(Name, State), + RefData = iolist_to_binary(B), + + ct:log("~p", [H]), + + {true, QueueHead} = ioq_nif(peek_head, IOQ), + true = byte_size(QueueHead) > 0, + + {RefHead, _Tail} = split_binary(RefData, byte_size(QueueHead)), + + true = QueueHead =:= RefHead, + + nif_ioq_run(T, State); nif_ioq_run([{deq, Name, all}|T], State) -> #{ q := IOQ, b := B } = maps:get(Name, State), Size = ioq_nif(size, IOQ), |