diff options
Diffstat (limited to 'lib/stdlib/test/io_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 7d48cbc97c..b0a1e461e3 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -30,7 +30,7 @@ io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1, otp_10836/1, io_lib_width_too_small/1, io_with_huge_message_queue/1, format_string/1, - maps/1, coverage/1]). + maps/1, coverage/1, otp_14178_unicode_atoms/1]). -export([pretty/2]). @@ -61,7 +61,7 @@ all() -> printable_range, bad_printable_range, io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836, io_lib_width_too_small, io_with_huge_message_queue, - format_string, maps, coverage]. + format_string, maps, coverage, otp_14178_unicode_atoms]. %% Error cases for output. error_1(Config) when is_list(Config) -> @@ -2106,3 +2106,24 @@ coverage(_Config) -> io:format("~s\n", [S2]), ok. + +%% Test UTF-8 atoms. +otp_14178_unicode_atoms(_Config) -> + "atom" = fmt("~ts", ['atom']), + "кирилли́ческий атом" = fmt("~ts", ['кирилли́ческий атом']), + [16#10FFFF] = fmt("~ts", ['\x{10FFFF}']), + + %% ~s must not accept code points greater than 255. + bad_io_lib_format("~s", ['\x{100}']), + bad_io_lib_format("~s", ['кирилли́ческий атом']), + + ok. + +bad_io_lib_format(F, S) -> + try io_lib:format(F, S) of + _ -> + ct:fail({should_fail,F,S}) + catch + error:badarg -> + ok + end. |