diff options
Diffstat (limited to 'lib/stdlib/test/io_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 129 |
1 files changed, 127 insertions, 2 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 6e99619324..e2c73371cd 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -30,7 +30,8 @@ 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, otp_14175/1]). + maps/1, coverage/1, otp_14178_unicode_atoms/1, otp_14175/1, + otp_14285/1, limit_term/1]). -export([pretty/2]). @@ -61,7 +62,8 @@ 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, otp_14175]. + format_string, maps, coverage, otp_14178_unicode_atoms, otp_14175, + otp_14285, limit_term]. %% Error cases for output. error_1(Config) when is_list(Config) -> @@ -755,6 +757,8 @@ rfd(rrrrr, 3) -> [f1, f2, f3]; rfd(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 0) -> []; +rfd('\x{400}', 1) -> + ['\x{400}']; rfd(_, _) -> no. @@ -1881,6 +1885,7 @@ otp_10302(Suite) when is_list(Suite) -> pretty(Term, Depth) when is_integer(Depth) -> Opts = [{column, 1}, {line_length, 20}, {depth, Depth}, {max_chars, 60}, + {record_print_fun, fun rfd/2}, {encoding, unicode}], pretty(Term, Opts); pretty(Term, Opts) when is_list(Opts) -> @@ -2107,6 +2112,27 @@ coverage(_Config) -> 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. + otp_14175(_Config) -> "..." = p(#{}, 0), "#{}" = p(#{}, 1), @@ -2303,3 +2329,102 @@ text1([T|Ts]) -> [erl_anno:text(Anno) | text1(Ts)]. -endif. % EXACT + +otp_14285(_Config) -> + UOpts = [{record_print_fun, fun rfd/2}, + {encoding, unicode}], + LOpts = [{record_print_fun, fun rfd/2}, + {encoding, latin1}], + + RT = {'\x{400}','\x{400}'}, + "#'\x{400}'{'\x{400}' = '\x{400}'}" = pretty(RT, UOpts), + "#'\\x{400}'{'\\x{400}' = '\\x{400}'}" = pretty(RT, LOpts), + + Chars = lists:seq(0, 512), + [] = [C || + C <- Chars, + S <- io_lib:write_atom_as_latin1(list_to_atom([C])), + not is_latin1(S)], + L1 = [S || C <- Chars, S <- io_lib:write_atom(list_to_atom([C])), + not is_latin1(S)], + L1 = lists:seq(256, 512), + + latin1_fmt("~w", ['кирилли́ческий атом']), + latin1_fmt("~w", ['\x{10FFFF}']), + "'кирилли́ческий атом'" = fmt("~tw", ['кирилли́ческий атом']), + [$',16#10FFFF,$'] = fmt("~tw", ['\x{10FFFF}']), + + latin1_fmt("~W", ['кирилли́ческий атом', 13]), + latin1_fmt("~W", ['\x{10FFFF}', 13]), + "'кирилли́ческий атом'" = fmt("~tW", ['кирилли́ческий атом', 13]), + [$',16#10FFFF,$'] = fmt("~tW", ['\x{10FFFF}', 13]), + + {ok, [an_atom],[]} = io_lib:fread("~a", "an_atom"), + {ok, [an_atom],[]} = io_lib:fread("~ta", "an_atom"), + Str = "\"ab" ++ [1089] ++ "cd\"", + {ok, ["\"ab"], [1089]++"cd\""} = io_lib:fread("~s", Str), + {ok, ['\"ab'], [1089]++"cd\""} = io_lib:fread("~a", Str), + {ok,[Str], []} = io_lib:fread("~ts", Str), + {ok,[Atom],[]} = io_lib:fread("~ta", Str), + Str = atom_to_list(Atom), + + ok. + +latin1_fmt(Fmt, Args) -> + L = fmt(Fmt, Args), + true = lists:all(fun is_latin1/1, L). + +limit_term(_Config) -> + {_, 2} = limt([a,b,c], 2), + {_, 2} = limt([a,b,c], 3), + {_, 2} = limt([a,b|c], 2), + {_, 2} = limt([a,b|c], 3), + {_, 2} = limt({a,b,c,[d,e]}, 2), + {_, 2} = limt({a,b,c,[d,e]}, 3), + {_, 2} = limt({a,b,c,[d,e]}, 4), + {_, 1} = limt(<<"foo">>, 18), + ok = blimt(<<"123456789012345678901234567890">>), + {_, 1} = limt(<<7:3>>, 2), + {_, 1} = limt(<<7:21>>, 2), + {_, 1} = limt([], 2), + {_, 1} = limt({}, 2), + {_, 1} = limt(#{}, 2), + {_, 1} = limt(#{[] => {}}, 2), + {_, 1} = limt(#{[] => {}}, 3), + T = #{[] => {},[a] => [b]}, + {_, 1} = limt(T, 2), + {_, 1} = limt(T, 3), + {_, 1} = limt(T, 4), + ok. + +blimt(Binary) -> + blimt(Binary, byte_size(Binary)). + +blimt(_B, 1) -> ok; +blimt(B, D) -> + {_, 1} = limt(B, D), + blimt(B, D - 1). + +limt(Term, Depth) when is_integer(Depth) -> + T1 = io_lib:limit_term(Term, Depth), + S = form(Term, Depth), + S1 = form(T1, Depth), + OK1 = S1 =:= S, + + T2 = io_lib:limit_term(Term, Depth+1), + S2 = form(T2, Depth), + OK2 = S2 =:= S, + + T3 = io_lib:limit_term(Term, Depth-1), + S3 = form(T3, Depth), + OK3 = S3 =/= S, + + R = case {OK1, OK2, OK3} of + {true, true, true} -> 2; + {true, true, false} -> 1; + _ -> 0 + end, + {{S, S1, S2}, R}. + +form(Term, Depth) -> + lists:flatten(io_lib:format("~W", [Term, Depth])). |