diff options
Diffstat (limited to 'lib/stdlib/test/io_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 2203dd8f51..8d53949c40 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2013. All Rights Reserved. +%% Copyright Ericsson AB 1999-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -31,7 +31,7 @@ printable_range/1, 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]). + io_with_huge_message_queue/1, format_string/1]). -export([pretty/2]). @@ -71,7 +71,8 @@ all() -> io_fread_newlines, otp_8989, io_lib_fread_literal, printable_range, io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836, - io_lib_width_too_small, io_with_huge_message_queue]. + io_lib_width_too_small, io_with_huge_message_queue, + format_string]. groups() -> []. @@ -1035,7 +1036,14 @@ rp(Term, Col, Ll, D, M, RF) -> lists:flatten(io_lib:format("~s", [R])). fmt(Fmt, Args) -> - lists:flatten(io_lib:format(Fmt, Args)). + FormatList = io_lib:scan_format(Fmt, Args), + {Fmt2, Args2} = io_lib:unscan_format(FormatList), + Chars1 = lists:flatten(io_lib:build_text(FormatList)), + Chars2 = lists:flatten(io_lib:format(Fmt2, Args2)), + Chars3 = lists:flatten(io_lib:format(Fmt, Args)), + Chars1 = Chars2, + Chars2 = Chars3, + Chars3. rfd(a, 0) -> []; @@ -2261,3 +2269,9 @@ writes(0, _) -> ok; writes(N, F1) -> file:write(F1, "hello\n"), writes(N - 1, F1). + +format_string(Config) -> + %% All but padding is tested by fmt/2. + "xxxxxxsssx" = fmt("~10.4.xs", ["sss"]), + "xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]), + ok. |