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-rw-r--r--erts/emulator/test/binary_SUITE.erl1
-rw-r--r--erts/emulator/test/iovec_SUITE.erl11
2 files changed, 10 insertions, 2 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 61536bacd7..374f91e487 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -257,6 +257,7 @@ test_deep_bitstr(List) ->
{Bin,bitstring_to_list(Bin)}.
bad_list_to_binary(Config) when is_list(Config) ->
+ test_bad_bin(<<1:1>>),
test_bad_bin(atom),
test_bad_bin(42),
test_bad_bin([1|2]),
diff --git a/erts/emulator/test/iovec_SUITE.erl b/erts/emulator/test/iovec_SUITE.erl
index 76adbe4b5e..963b7e2501 100644
--- a/erts/emulator/test/iovec_SUITE.erl
+++ b/erts/emulator/test/iovec_SUITE.erl
@@ -25,7 +25,8 @@
-export([integer_lists/1, binary_lists/1, empty_lists/1, empty_binary_lists/1,
mixed_lists/1, improper_lists/1, illegal_lists/1, cons_bomb/1,
sub_binary_lists/1, iolist_to_iovec_idempotence/1,
- iolist_to_iovec_correctness/1, unaligned_sub_binaries/1]).
+ iolist_to_iovec_correctness/1, unaligned_sub_binaries/1,
+ direct_binary_arg/1]).
-include_lib("common_test/include/ct.hrl").
@@ -37,7 +38,7 @@ all() ->
[integer_lists, binary_lists, empty_lists, empty_binary_lists, mixed_lists,
sub_binary_lists, illegal_lists, improper_lists, cons_bomb,
iolist_to_iovec_idempotence, iolist_to_iovec_correctness,
- unaligned_sub_binaries].
+ unaligned_sub_binaries, direct_binary_arg].
init_per_suite(Config) ->
Config.
@@ -133,6 +134,12 @@ unaligned_sub_binaries(Config) when is_list(Config) ->
true = is_iolist_equal(Optimized, UnalignedVariations),
ok.
+direct_binary_arg(Config) when is_list(Config) ->
+ {'EXIT',{badarg, _}} = (catch erlang:iolist_to_iovec(<<1:1>>)),
+ [<<1>>] = erlang:iolist_to_iovec(<<1>>),
+ [] = erlang:iolist_to_iovec(<<>>),
+ ok.
+
illegality_test(Fun, Variations) ->
[{'EXIT',{badarg, _}} = (catch Fun(Variation)) || Variation <- Variations],
ok.