diff options
Diffstat (limited to 'lib/stdlib/test/io_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 65a112c966..aa698ecaa2 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -29,7 +29,8 @@ manpage/1, otp_6708/1, otp_7084/1, otp_7421/1, io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1, io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1, - io_lib_print_binary_depth_one/1, otp_10302/1, otp_10836/1]). + io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1, + otp_10836/1]). %-define(debug, true). @@ -65,7 +66,7 @@ all() -> manpage, otp_6708, otp_7084, otp_7421, io_lib_collect_line_3_wb, cr_whitespace_in_string, io_fread_newlines, otp_8989, io_lib_fread_literal, - io_lib_print_binary_depth_one, otp_10302, otp_10836]. + io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836]. groups() -> []. @@ -2085,3 +2086,40 @@ otp_10836(Suite) when is_list(Suite) -> S = io_lib:format("~ts", [[<<"äpple"/utf8>>, <<"äpple">>]]), "äppleäpple" = lists:flatten(S), ok. + +otp_10755(doc) -> + "OTP-10755. The 'l' modifier"; +otp_10755(Suite) when is_list(Suite) -> + S = "string", + "\"string\"" = fmt("~p", [S]), + "[115,116,114,105,110,103]" = fmt("~lp", [S]), + "\"string\"" = fmt("~P", [S, 2]), + "[115|...]" = fmt("~lP", [S, 2]), + {'EXIT',{badarg,_}} = (catch fmt("~ltp", [S])), + {'EXIT',{badarg,_}} = (catch fmt("~tlp", [S])), + {'EXIT',{badarg,_}} = (catch fmt("~ltP", [S])), + {'EXIT',{badarg,_}} = (catch fmt("~tlP", [S])), + Text = + "-module(l_mod).\n" + "-export([t/0]).\n" + "t() ->\n" + " S = \"string\",\n" + " io:format(\"~ltp\", [S]),\n" + " io:format(\"~tlp\", [S]),\n" + " io:format(\"~ltP\", [S, 1]),\n" + " io:format(\"~tlP\", [S, 1]).\n", + {ok,l_mod,[{_File,Ws}]} = compile_file("l_mod.erl", Text, Suite), + ["format string invalid (invalid control ~lt)", + "format string invalid (invalid control ~tl)", + "format string invalid (invalid control ~lt)", + "format string invalid (invalid control ~tl)"] = + [lists:flatten(M:format_error(E)) || {_L,M,E} <- Ws], + ok. + +compile_file(File, Text, Config) -> + PrivDir = ?privdir(Config), + Fname = filename:join(PrivDir, File), + ok = file:write_file(Fname, Text), + try compile:file(Fname, [return]) + after ok %file:delete(Fname) + end. |