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-rw-r--r--erts/emulator/test/nif_SUITE.erl10
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c32
2 files changed, 39 insertions, 3 deletions
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 36bcfe26cc..c2949e7bfa 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -28,7 +28,7 @@
-export([all/1, fin_per_testcase/2, basic/1, reload/1, upgrade/1, heap_frag/1,
types/1, many_args/1, binaries/1, get_string/1, get_atom/1, api_macros/1,
from_array/1, iolist_as_binary/1, resource/1, resource_takeover/1,
- threading/1, neg/1, is_checks/1]).
+ threading/1, neg/1, is_checks/1, get_length/1]).
-export([many_args_100/100]).
-define(nif_stub,nif_stub_error(?LINE)).
@@ -36,7 +36,7 @@
all(suite) ->
[basic, reload, upgrade, heap_frag, types, many_args, binaries, get_string,
get_atom, api_macros, from_array, iolist_as_binary, resource,
- resource_takeover, threading, neg, is_checks].
+ resource_takeover, threading, neg, is_checks, get_length].
%%init_per_testcase(_Case, Config) ->
%% ?line Dog = ?t:timetrap(?t:seconds(60*60*24)),
@@ -766,6 +766,11 @@ is_checks(Config) when is_list(Config) ->
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}).
+get_length(doc) -> ["Test all enif_get_length functions"];
+get_length(Config) when is_list(Config) ->
+ ?line ensure_lib_loaded(Config, 1),
+ ?line ok = length_test(hejsan, "hejsan", [], [], not_a_list).
+
ensure_lib_loaded(Config) ->
ensure_lib_loaded(Config, 1).
ensure_lib_loaded(Config, Ver) ->
@@ -861,6 +866,7 @@ release_resource(_) -> ?nif_stub.
last_resource_dtor_call() -> ?nif_stub.
make_new_resource(_,_) -> ?nif_stub.
check_is(_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
+length_test(_,_,_,_,_) -> ?nif_stub.
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 22d0d5a93b..4d010c58a5 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -661,6 +661,35 @@ static ERL_NIF_TERM check_is(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]
return ok_atom;
}
+/*
+ * argv[0] atom with length of 6
+ * argv[1] list with length of 6
+ * argv[2] empty list
+ * argv[3] not an atom
+ * argv[4] not a list
+ */
+static ERL_NIF_TERM length_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ unsigned len;
+
+ if (!enif_get_atom_length(env, argv[0], &len) || len != 6)
+ return enif_make_badarg(env);
+
+ if (!enif_get_list_length(env, argv[1], &len) || len != 6)
+ return enif_make_badarg(env);
+
+ if (!enif_get_list_length(env, argv[2], &len) || len != 0)
+ return enif_make_badarg(env);
+
+ if (enif_get_atom_length(env, argv[3], &len))
+ return enif_make_badarg(env);
+
+ if (enif_get_list_length(env, argv[4], &len))
+ return enif_make_badarg(env);
+
+ return enif_make_atom(env, "ok");
+}
+
static ErlNifFunc nif_funcs[] =
{
{"lib_version", 0, lib_version},
@@ -687,7 +716,8 @@ static ErlNifFunc nif_funcs[] =
{"release_resource", 1, release_resource},
{"last_resource_dtor_call", 0, last_resource_dtor_call},
{"make_new_resource", 2, make_new_resource},
- {"check_is", 10, check_is}
+ {"check_is", 10, check_is},
+ {"length_test", 5, length_test}
};