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-rw-r--r--lib/stdlib/test/io_SUITE.erl91
1 files changed, 75 insertions, 16 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 16e3dba969..6f4e7ad7e0 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -1905,29 +1905,61 @@ otp_10836(Suite) when is_list(Suite) ->
%% OTP-10755. The 'l' modifier
otp_10755(Suite) when is_list(Suite) ->
+ %% printing plain ascii characters
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])),
+ %% printing latin1 chars, with and without modifiers
+ T = {[255],list_to_atom([255]),[a,b,c]},
+ "{\"ÿ\",ÿ,[a,b,c]}" = fmt("~p", [T]),
+ "{\"ÿ\",ÿ,[a,b,c]}" = fmt("~tp", [T]),
+ "{[255],ÿ,[a,b,c]}" = fmt("~lp", [T]),
+ "{[255],ÿ,[a,b,c]}" = fmt("~ltp", [T]),
+ "{[255],ÿ,[a,b,c]}" = fmt("~tlp", [T]),
+ "{\"ÿ\",ÿ,...}" = fmt("~P", [T,3]),
+ "{\"ÿ\",ÿ,...}" = fmt("~tP", [T,3]),
+ "{[255],ÿ,...}" = fmt("~lP", [T,3]),
+ "{[255],ÿ,...}" = fmt("~ltP", [T,3]),
+ "{[255],ÿ,...}" = fmt("~tlP", [T,3]),
+ %% printing unicode chars, with and without modifiers
+ U = {[666],list_to_atom([666]),[a,b,c]},
+ "{[666],'\\x{29A}',[a,b,c]}" = fmt("~p", [U]),
+ case io:printable_range() of
+ unicode ->
+ "{\"ʚ\",'ʚ',[a,b,c]}" = fmt("~tp", [U]),
+ "{\"ʚ\",'ʚ',...}" = fmt("~tP", [U,3]);
+ latin1 ->
+ "{[666],'ʚ',[a,b,c]}" = fmt("~tp", [U]),
+ "{[666],'ʚ',...}" = fmt("~tP", [U,3])
+ end,
+ "{[666],'\\x{29A}',[a,b,c]}" = fmt("~lp", [U]),
+ "{[666],'ʚ',[a,b,c]}" = fmt("~ltp", [U]),
+ "{[666],'ʚ',[a,b,c]}" = fmt("~tlp", [U]),
+ "{[666],'\\x{29A}',...}" = fmt("~P", [U,3]),
+ "{[666],'\\x{29A}',...}" = fmt("~lP", [U,3]),
+ "{[666],'ʚ',...}" = fmt("~ltP", [U,3]),
+ "{[666],'ʚ',...}" = fmt("~tlP", [U,3]),
+ %% the compiler should catch uses of ~l with other than pP
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",
+ " io:format(\"~lw\", [S]),\n"
+ " io:format(\"~lW\", [S, 1]),\n"
+ " io:format(\"~ltw\", [S]),\n"
+ " io:format(\"~tlw\", [S]),\n"
+ " io:format(\"~ltW\", [S, 1]),\n"
+ " io:format(\"~tlW\", [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)"] =
+ ["format string invalid (invalid control ~lw)",
+ "format string invalid (invalid control ~lW)",
+ "format string invalid (invalid control ~ltw)",
+ "format string invalid (invalid control ~ltw)",
+ "format string invalid (invalid control ~ltW)",
+ "format string invalid (invalid control ~ltW)"] =
[lists:flatten(M:format_error(E)) || {_L,M,E} <- Ws],
ok.
@@ -2005,6 +2037,7 @@ writes(N, F1) ->
format_string(_Config) ->
%% All but padding is tested by fmt/2.
+ "xxxxxxxsss" = fmt("~10..xs", ["sss"]),
"xxxxxxsssx" = fmt("~10.4.xs", ["sss"]),
"xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]),
ok.
@@ -2140,8 +2173,8 @@ otp_14175(_Config) ->
"#{}" = p(#{}, 1),
"#{...}" = p(#{a => 1}, 1),
"#{#{} => a}" = p(#{#{} => a}, 2),
- "#{a => 1,...}" = p(#{a => 1, b => 2}, 2),
- "#{a => 1,b => 2}" = p(#{a => 1, b => 2}, -1),
+ mt("#{a => 1,...}", p(#{a => 1, b => 2}, 2)),
+ mt("#{a => 1,b => 2}", p(#{a => 1, b => 2}, -1)),
M = #{kaaaaaaaaaaaaaaaaaaa => v1,kbbbbbbbbbbbbbbbbbbb => v2,
kccccccccccccccccccc => v3,kddddddddddddddddddd => v4,
@@ -2384,19 +2417,36 @@ limit_term(_Config) ->
{_, 2} = limt({a,b,c,[d,e]}, 2),
{_, 2} = limt({a,b,c,[d,e]}, 3),
{_, 2} = limt({a,b,c,[d,e]}, 4),
+ T0 = [1|{a,b,c}],
+ {_, 2} = limt(T0, 2),
+ {_, 2} = limt(T0, 3),
+ {_, 2} = limt(T0, 4),
{_, 1} = limt(<<"foo">>, 18),
+ {_, 2} = limt({"",[1,2]}, 3),
+ {_, 2} = limt({"",{1,2}}, 3),
+ true = limt_pp({"123456789012345678901234567890",{1,2}}, 3),
ok = blimt(<<"123456789012345678901234567890">>),
+ true = limt_pp(<<"123456789012345678901234567890">>, 3),
+ {_, 2} = limt({<<"kljlkjsl">>,[1,2,3,4]}, 4),
{_, 1} = limt(<<7:3>>, 2),
{_, 1} = limt(<<7:21>>, 2),
{_, 1} = limt([], 2),
{_, 1} = limt({}, 2),
+ {_, 1} = limt({"", ""}, 4),
{_, 1} = limt(#{}, 2),
- {_, 1} = limt(#{[] => {}}, 2),
+ {_, 2} = limt(#{[] => {}}, 1),
+ {_, 2} = limt(#{[] => {}}, 2),
{_, 1} = limt(#{[] => {}}, 3),
T = #{[] => {},[a] => [b]},
- {_, 1} = limt(T, 2),
+ {_, 1} = limt(T, 0),
+ {_, 2} = limt(T, 1),
+ {_, 2} = limt(T, 2),
{_, 1} = limt(T, 3),
{_, 1} = limt(T, 4),
+ T2 = #{[] => {},{} => []},
+ {_, 2} = limt(T2, 1),
+ {_, 2} = limt(T2, 2),
+ {_, 1} = limt(T2, 3),
ok.
blimt(Binary) ->
@@ -2430,3 +2480,12 @@ limt(Term, Depth) when is_integer(Depth) ->
form(Term, Depth) ->
lists:flatten(io_lib:format("~W", [Term, Depth])).
+
+limt_pp(Term, Depth) when is_integer(Depth) ->
+ T1 = io_lib:limit_term(Term, Depth),
+ S = pp(Term, Depth),
+ S1 = pp(T1, Depth),
+ S1 =:= S.
+
+pp(Term, Depth) ->
+ lists:flatten(io_lib:format("~P", [Term, Depth])).