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io_SUITE.erl
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io_SUITE.erl
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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(io_SUITE).
-export([all/0, suite/0]).
-export([error_1/1, float_g/1, otp_5403/1, otp_5813/1, otp_6230/1,
otp_6282/1, otp_6354/1, otp_6495/1, otp_6517/1, otp_6502/1,
manpage/1, otp_6708/1, otp_7084/0, 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,
printable_range/1, bad_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, format_string/1,
maps/1, coverage/1, otp_14178_unicode_atoms/1, otp_14175/1,
otp_14285/1, limit_term/1]).
-export([pretty/2]).
%%-define(debug, true).
-ifdef(debug).
-define(format(S, A), io:format(S, A)).
-define(line, put(line, ?LINE), ).
-define(config(X,Y), foo).
-define(t, test_server).
-define(privdir(_), "./io_SUITE_priv").
-else.
-include_lib("common_test/include/ct.hrl").
-define(format(S, A), ok).
-define(privdir(Conf), proplists:get_value(priv_dir, Conf)).
-endif.
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,1}}].
all() ->
[error_1, float_g, otp_5403, otp_5813, otp_6230,
otp_6282, otp_6354, otp_6495, otp_6517, otp_6502,
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,
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_14178_unicode_atoms, otp_14175,
otp_14285, limit_term].
%% Error cases for output.
error_1(Config) when is_list(Config) ->
%% We don't do erroneous output on stdout - the test server
%% seems to catch that somehow.
PrivDir = ?privdir(Config),
File = filename:join(PrivDir, "slask"),
{ok, F1} = file:open(File, [write]),
{'EXIT', _} = (catch io:format(muttru, "hej", [])),
{'EXIT', _} = (catch io:format(F1, pelle, "hej")),
{'EXIT', _} = (catch io:format(F1, 1, "hej")),
{'EXIT', _} = (catch io:format(F1, "~p~", [kaka])),
{'EXIT', _} = (catch io:format(F1, "~m~n", [kaka])),
%% This causes the file process to die, and it is linked to us,
%% so we can't catch the error this easily.
%% {'EXIT', _} = (catch io:put_chars(F1, 666)),
file:close(F1),
{'EXIT', _} = (catch io:format(F1, "~p", ["hej"])),
ok.
float_g(Config) when is_list(Config) ->
["5.00000e-2",
"0.500000",
"5.00000",
"50.0000",
"500.000",
"5000.00",
"5.00000e+4",
"5.00000e+5"] = float_g_1("~g", 5.0, -2, 5),
["-5.0000e-2",
"-0.50000",
"-5.0000",
"-50.000",
"-500.00",
"-5000.0",
"-5.0000e+4",
"-5.0000e+5"] = float_g_1("~.5g", -5.0, -2, 5),
["5.000e-2",
"0.5000",
"5.000",
"50.00",
"500.0",
"5.000e+3",
"5.000e+4",
"5.000e+5"] = float_g_1("~.4g", 5.0, -2, 5),
["-5.00e-2",
"-0.500",
"-5.00",
"-50.0",
"-5.00e+2",
"-5.00e+3",
"-5.00e+4",
"-5.00e+5"] = float_g_1("~.3g", -5.0, -2, 5),
["5.0e-2",
"0.50",
"5.0",
"5.0e+1",
"5.0e+2",
"5.0e+3",
"5.0e+4",
"5.0e+5"] = float_g_1("~.2g", 5.0, -2, 5),
case catch fmt("~.1g", [0.5]) of
"0.5" ->
["5.0e-2",
"0.5",
"5.0e+0",
"5.0e+1",
"5.0e+2",
"5.0e+3",
"5.0e+4",
"5.0e+5"] = float_g_1("~.1g", 5.0, -2, 5);
{'EXIT',_} -> ok
end,
["4.99999e-2",
"0.499999",
"4.99999",
"49.9999",
"499.999",
"4999.99",
"4.99999e+4",
"4.99999e+5"] = float_g_1("~g", 4.9999949999, -2, 5),
["-5.00000e-2",
"-0.500000",
"-5.00000",
"-50.0000",
"-500.000",
"-5000.00",
"-5.00000e+4",
"-5.00000e+5"] = float_g_1("~g", -4.9999950001, -2, 5),
ok.
float_g_1(Fmt, V, Min, Max) ->
[fmt(Fmt, [V*math:pow(10, E)]) || E <- lists:seq(Min, Max)].
%% OTP-5403. ~s formats I/O lists and a single binary.
otp_5403(Config) when is_list(Config) ->
"atom" = fmt("~s", [atom]),
"binary" = fmt("~s", [<<"binary">>]),
"atail" = fmt("~s", [["a" | <<"tail">>]]),
"deepcharlist" = fmt("~s", [["deep",["char",["list"]]]]),
"somebinaries" = fmt("~s", [[<<"some">>,[<<"binaries">>]]]),
ok.
%% OTP-5813. read/3 is new.
otp_5813(Config) when is_list(Config) ->
PrivDir = ?privdir(Config),
File = filename:join(PrivDir, "test"),
ok = file:write_file(File, <<"a. ">>),
{ok, Fd} = file:open(File, [read]),
{ok, a, 1} = io:read(Fd, '', 1),
{eof,1} = io:read(Fd, '', 1),
ok = file:close(Fd),
ok = file:write_file(File, <<"[}.">>),
{ok, Fd2} = file:open(File, [read]),
{error,{1,_,_},1} = io:read(Fd2, '', 1),
ok = file:close(Fd),
file:delete(File),
ok.
%% OTP-6230. ~p and ~P with (huge) binaries.
otp_6230(Config) when is_list(Config) ->
%% The problem is actually huge binaries, but the small tests here
%% just run through most of the modified code.
"<<>>" = fmt("~P", [<<"">>,-1]),
"<<\"hej\">>" = fmt("~P", [<<"hej">>,-1]),
"{hej,...}" = fmt("~P", [{hej,<<"hej">>},2]),
"{hej,<<...>>}" = fmt("~P", [{hej,<<"hej">>},3]),
"{hej,<<\"hejs\"...>>}" = fmt("~P", [{hej,<<"hejsan">>},4]),
"{hej,<<\"hej\">>}" = fmt("~P", [{hej,<<"hej">>},6]),
"<<...>>" = fmt("~P", [<<"hej">>,1]),
"<<\"hejs\"...>>" = fmt("~P", [<<"hejsan">>,2]),
"<<\"hej\">>" = fmt("~P", [<<"hej">>,4]),
"{hej,<<127,...>>}" =
fmt("~P", [{hej,<<127:8,<<"hej">>/binary>>},4]),
"{hej,<<127,104,101,...>>}" =
fmt("~P", [{hej,<<127:8,<<"hej">>/binary>>},6]),
B = list_to_binary(lists:duplicate(30000, $a)),
"<<\"aaaa"++_ = fmt("~P", [B, 20000]),
ok.
%% OTP-6282. ~p truncates strings (like binaries) depending on depth.
otp_6282(Config) when is_list(Config) ->
"[]" = p("", 1, 20, 1),
"[]" = p("", 1, 20, -1),
"[...]" = p("a", 1, 20, 1),
"\"a\"" = p("a", 1, 20, 2),
"\"aa\"" = p("aa", 1, 20, 2),
"\"aaa\"" = p("aaa", 1, 20, 2),
"\"aaaa\"" = p("aaaa", 1, 20, 2),
"\"a\"" = p("a", 1, 20, -1),
"[97,97,1000]" = p([$a,$a,1000], 1, 20, 4),
S1 = lists:duplicate(200,$a),
"[...]" = p(S1, 1, 20, 1),
true = "\"" ++ S1 ++ "\"" =:= p(S1, 1, 205, -1),
"[97,97,1000|...]" = p([$a,$a,1000,1000], 1, 20, 4),
"[[]]" = p([""], 1, 20, 2),
"[[]]" = p([""], 1, 20, -1),
"[[...]]" = p(["a"], 1, 20, 2),
"[\"a\"]" = p(["a"], 1, 20, 3),
"[\"aa\"]" = p(["aa"], 1, 20, 3),
"[\"aaa\"]" = p(["aaa"], 1, 20, 3),
"[\"a\"]" = p(["a"], 1, 20, -1),
"[[97,97,1000]]" = p([[$a,$a,1000]], 1, 20, 5),
"[[...]]" = p([S1], 1, 20, 2),
true = "[\"" ++ S1 ++ "\"]" =:= p([S1], 1, 210, -1),
"[[97,97,1000|...]]" = p([[$a,$a,1000,1000]], 1, 20, 5),
"[\"aaaaa\"]" = p(["aaaaa"], 1, 10, 6),
ok.
%% OTP-6354. io_lib_pretty rewritten.
otp_6354(Config) when is_list(Config) ->
%% A few tuples:
"{}" = p({}, 1, 20, -1),
"..." = p({}, 1, 20, 0),
"{}" = p({}, 1, 20, 1),
"{}" = p({}, 1, 20, 2),
"{a}" = p({a}, 1, 20, -1),
"..." = p({a}, 1, 20, 0),
"{...}" = p({a}, 1, 20, 1),
"{a}" = p({a}, 1, 20, 2),
"{a,b}" = p({a,b}, 1, 20, -1),
"..." = p({a,b}, 1, 20, 0),
"{...}" = p({a,b}, 1, 20, 1),
"{a,...}" = p({a,b}, 1, 20, 2),
"{a,b}" = p({a,b}, 1, 20, 3),
"{}" = p({}, 1, 1, -1),
"..." = p({}, 1, 1, 0),
"{}" = p({}, 1, 1, 1),
"{}" = p({}, 1, 1, 2),
"{a}" = p({a}, 1, 1, -1),
"..." = p({a}, 1, 1, 0),
"{...}" = p({a}, 1, 1, 1),
"{a}" = p({a}, 1, 1, 2),
"{a,\n b}" = p({a,b}, 1, 1, -1),
"{1,\n b}" = p({1,b}, 1, 1, -1),
"..." = p({a,b}, 1, 1, 0),
"{...}" = p({a,b}, 1, 1, 1),
"{a,...}" = p({a,b}, 1, 1, 2),
"{a,\n b}" = p({a,b}, 1, 1, 3),
"{{}}" = p({{}}, 1, 1, 2),
"{[]}" = p({[]}, 1, 1, 2),
bt(<<"{1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]}">>,
p({1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]}, -1)),
bt(<<"{abcd,ddddd,\n ddddd}">>,
p({abcd,ddddd,ddddd}, 1,16, -1)),
bt(<<"{1,2,a,b,\n {sfdsf,sdfdsfs},\n [sfsdf,sdfsdf]}">>,
p({1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]}, 1, 35, 100)),
"{1,{1,{2,3}}}" = p({1,{1,{2,3}}}, 1, 80, 100),
bt(<<"{wwwww,{wwwww,{wwwww,{wwwww,{wwwww,lkjsldfj,klsdjfjklds,\n"
" sdkfjdsl,sdakfjdsklj,sdkljfsdj}}}}}">>,
p({wwwww,{wwwww,{wwwww,{wwwww,{wwwww,lkjsldfj,klsdjfjklds,
sdkfjdsl,sdakfjdsklj,sdkljfsdj}}}}}, -1)),
bt(<<"{wwwww,\n"
" {wwwww,\n"
" {wwwww,\n"
" {wwwww,\n"
" {wwwww,\n"
" {lkjsldfj,\n"
" {klsdjfjklds,\n"
" {klajsljls,\n"
" #aaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaa{}}}}}}}}}">>,
p({wwwww,{wwwww,{wwwww,{wwwww,{wwwww,{lkjsldfj,
{klsdjfjklds,{klajsljls,
{aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa}}}}}}}}},
-1)),
"{{...},...}" = p({{a,b},{a,b,c},{d,e,f}},1,8,2),
%% Closing brackets and parentheses count:
"{{a,b,c},\n {{1,2,\n 3}}}" = p({{a,b,c},{{1,2,3}}},1,11,-1),
%% With line breaks:
"{{a,b,c},\n [1,2,\n 3]}" = p({{a,b,c},[1,2,3]},1,10,-1),
%% With line breaks:
"[{{a,b,c},\n {1,2,\n 3}}]" = p([{{a,b,c},{1,2,3}}],1,12,-1),
%% A few lists:
"[]" = p([], 1, 20, -1),
"..." = p([], 1, 20, 0),
"[]" = p([], 1, 20, 1),
"[]" = p([], 1, 20, 2),
"[a]" = p([a], 1, 20, -1),
"..." = p([a], 1, 20, 0),
"[...]" = p([a], 1, 20, 1),
"[a]" = p([a], 1, 20, 2),
"[a,b]" = p([a,b], 1, 20, -1),
"..." = p([a,b], 1, 20, 0),
"[...]" = p([a,b], 1, 20, 1),
"[a|...]" = p([a,b], 1, 20, 2),
"[a,b]" = p([a,b], 1, 20, 3),
"[a|b]" = p([a|b], 1, 20, -1),
"..." = p([a|b], 1, 20, 0),
"[...]" = p([a|b], 1, 20, 1),
"[a|...]" = p([a|b], 1, 20, 2),
"[a|b]" = p([a|b], 1, 20, 3),
"[]" = p([], 1, 1, -1),
"..." = p([], 1, 1, 0),
"[]" = p([], 1, 1, 1),
"[]" = p([], 1, 1, 2),
"[a]" = p([a], 1, 1, -1),
"..." = p([a], 1, 1, 0),
"[...]" = p([a], 1, 1, 1),
"[a]" = p([a], 1, 1, 2),
"[a,\n b]" = p([a,b], 1, 1, -1),
"..." = p([a,b], 1, 1, 0),
"[...]" = p([a,b], 1, 1, 1),
"[a|...]" = p([a,b], 1, 1, 2),
"[a,\n b]" = p([a,b], 1, 1, 3),
"[a|\n b]" = p([a|b], 1, 1, -1),
"..." = p([a|b], 1, 1, 0),
"[...]" = p([a|b], 1, 1, 1),
"[a|...]" = p([a|b], 1, 1, 2),
"[a|\n b]" = p([a|b], 1, 1, 3),
"[{}]" = p([{}], 1, 1, 2),
"[[]]" = p([[]], 1, 1, 2),
bt(<<"[1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]]">>,
p([1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]], -1)),
bt(<<"[1,2,a,b,\n {sfdsf,sdfdsfs},\n [sfsdf,sdfsdf]]">>,
p([1,2,a,b,{sfdsf,sdfdsfs},[sfsdf,sdfsdf]], 1, 35, 100)),
%% Element #8 is not printable:
"[49," ++ _ = p("1234567"++[3,4,5,6,7], 1, 100, 9),
%% "\"1234567\"..." = p("1234567"++[3,4,5,6,7], 1, 100, 8),
%% A few records:
%% -record(a, {}).
%% -record(a, {}).
"..." = p({a}, 0),
"{...}" = p({a}, 1),
"#a{}" = p({a}, 2),
"#a{}" = p({a}, -1),
%% -record(b, {f}).
"{...}" = p({b}, 1),
"..." = p({b,c}, 0),
"{...}" = p({b,c}, 1),
"#b{...}" = p({b,c}, 2),
"#b{f = c}" = p({b,c}, 3),
"#b{f = c}" = p({b,c}, -1),
"..." = p({b,{c,d}}, 0),
"{...}" = p({b,{c,d}}, 1),
"#b{...}" = p({b,{c,d}}, 2),
"#b{f = {...}}" = p({b,{c,d}}, 3),
"#b{f = {c,...}}" = p({b,{c,d}}, 4),
"#b{f = {c,d}}" = p({b,{c,d}}, 5),
"#b{f = {...}}" = p({b,{b,c}}, 3),
"#b{f = #b{...}}" = p({b,{b,c}}, 4),
"#b{f = #b{f = c}}" = p({b,{b,c}}, 5),
%% -record(c, {f1, f2}).
"#c{f1 = d,f2 = e}" = p({c,d,e}, -1),
"..." = p({c,d,e}, 0),
"{...}" = p({c,d,e}, 1),
"#c{...}" = p({c,d,e}, 2),
"#c{f1 = d,...}" = p({c,d,e}, 3),
"#c{f1 = d,f2 = e}" = p({c,d,e}, 4),
%% -record(d, {a..., b..., c.., d...}).
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,bbbbbbbbbbbbbbbbbbbb = 2,\n"
" cccccccccccccccccccc = 3,dddddddddddddddddddd = 4,\n"
" eeeeeeeeeeeeeeeeeeee = 5}">>,
p({d,1,2,3,4,5}, -1)),
"..." = p({d,1,2,3,4,5}, 0),
"{...}" = p({d,1,2,3,4,5}, 1),
"#d{...}" = p({d,1,2,3,4,5}, 2),
"#d{aaaaaaaaaaaaaaaaaaaa = 1,...}" = p({d,1,2,3,4,5}, 3),
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,bbbbbbbbbbbbbbbbbbbb = 2,...}">>,
p({d,1,2,3,4,5}, 4)),
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,bbbbbbbbbbbbbbbbbbbb = 2,\n"
" cccccccccccccccccccc = 3,...}">>,
p({d,1,2,3,4,5}, 5)), % longer than 80 characters...
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,bbbbbbbbbbbbbbbbbbbb = 2,\n"
" cccccccccccccccccccc = 3,dddddddddddddddddddd = 4,...}">>,
p({d,1,2,3,4,5}, 6)),
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,bbbbbbbbbbbbbbbbbbbb = 2,\n"
" cccccccccccccccccccc = 3,dddddddddddddddddddd = 4,\n"
" eeeeeeeeeeeeeeeeeeee = 5}">>,
p({d,1,2,3,4,5}, 7)),
bt(<<"#rrrrr{\n"
" f1 = 1,\n"
" f2 = #rrrrr{f1 = a,f2 = b,f3 = c},\n"
" f3 =\n"
" #rrrrr{\n"
" f1 = h,f2 = i,\n"
" f3 =\n"
" #rrrrr{\n"
" f1 = aa,\n"
" f2 =\n"
" #rrrrr{\n"
" f1 = #rrrrr{f1 = a,f2 = b,f3 = c},\n"
" f2 = 2,f3 = 3},\n"
" f3 = bb}}}">>,
p({rrrrr,1,{rrrrr,a,b,c},{rrrrr,h,i,
{rrrrr,aa,{rrrrr,{rrrrr,a,b,c},
2,3},bb}}},
-1)),
bt(<<"#d{aaaaaaaaaaaaaaaaaaaa = 1,\n"
" bbbbbbbbbbbbbbbbbbbb =\n"
" #d{aaaaaaaaaaaaaaaaaaaa = a,bbbbbbbbbbbbbbbbbbbb = b,\n"
" cccccccccccccccccccc = c,dddddddddddddddddddd = d,\n"
" eeeeeeeeeeeeeeeeeeee = e},\n"
" cccccccccccccccccccc = 3,\n"
" dddddddddddddddddddd =\n"
" #d{aaaaaaaaaaaaaaaaaaaa = h,bbbbbbbbbbbbbbbbbbbb = i,\n"
" cccccccccccccccccccc =\n"
" #d{aaaaaaaaaaaaaaaaaaaa = aa,"
"bbbbbbbbbbbbbbbbbbbb = bb,\n"
" cccccccccccccccccccc =\n"
" #d{aaaaaaaaaaaaaaaaaaaa = 1,"
"bbbbbbbbbbbbbbbbbbbb = 2,\n"
" cccccccccccccccccccc = 3,"
"dddddddddddddddddddd = 4,\n"
" eeeeeeeeeeeeeeeeeeee = 5},\n"
" dddddddddddddddddddd = dd,"
"eeeeeeeeeeeeeeeeeeee = ee},\n"
" dddddddddddddddddddd = k,"
"eeeeeeeeeeeeeeeeeeee = l},\n"
" eeeeeeeeeeeeeeeeeeee = 5}">>,
p({d,1,{d,a,b,c,d,e},3,{d,h,i,{d,aa,bb,{d,1,2,3,4,5},dd,ee},
k,l},5}, -1)),
A = aaaaaaaaaaaaa,
%% Print the record with dots at the end of the line (Ll = 80).
"{aaaaaaa" ++ _ =
p({A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{ggg,{hhh,{ii,{jj,{kk,{ll,{mm,{nn,{oo,{d,1,2,3,4,5}
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
}}}}}}}}}}}}}}}}, 146),
"{aaaaaaa" ++ _ =
p({A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{A,
{A,{A,{A,{A,{A,{ggg,{hhh,{ii,{jj,{kk,{ll,{mm,{nn,{oo,{a}
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
}}}}}}}}}}}}}}}}}}}, 152),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {g,{h,{i,{j,{k,{l,{m,{n,{o,#"
"d{...}}}}}}}}}}}}}}}}">>,
p({A,{A,{A,{A,{A,{A,
{g,{h,{i,{j,{k,{l,{m,{n,{o,{d,1,2,3,4,5}}}}}}}}}}}}}}}}, 32)),
bt(<<"{a,#b{f = {c,{d,{e,{f,...}}}}}}">>,
p({a,{b,{c,{d,{e,{f,g}}}}}}, 12)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,#c{f1 = ddd,"
"f2 = eee}}}}}}}}}}">>,
p({A,{A,{A,{A,{A,{A,{A,{A,{A,{c,ddd,eee}}}}}}}}}}, 100)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,{aaaaaaaaaaaaa,{aaaaaaaaaaaaa,...}}}}">>,
p({A,{A,{A,{A,{b}}}}}, 8)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,{aaaaaaaaaaaaa,{aaaaaaaaaaaaa,...}}}}}">>,
p({A,{A,{A,{A,{A,{b}}}}}}, 10)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,"
"{aaaaaaaaaaaaa,#a{}}}}}}}}}}}">>,
p({A,{A,{A,{A,{A,{A,{A,{A,{A,{A,{a}}}}}}}}}}}, 23)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n",
" #rrrrr{\n"
" f1 = kljlkjlksfdgkljlsdkjf,"
"f2 = kljkljsdaflkjlkjsdf,...}}}}">>,
p({A,{A,{A,{rrrrr, kljlkjlksfdgkljlsdkjf,
kljkljsdaflkjlkjsdf,
asdfkldsjfklkljsdklfds}}}}, 10)),
bt(<<"{aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {aaaaaaaaaaaaa,\n"
" {g,{h,{i,{j,{k,{l,{m,{n,"
"{o,#a{}}}}}}}}}}}}}}}}}">>,
p({A,{A,{A,{A,{A,{A,{A,
{g,{h,{i,{j,{k,{l,{m,{n,{o,{a}}}}}}}}}}}}}}}}}, 100)),
bt(<<"#c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 =\n"
" #c{\n"
" f1 = #c{f1 = #c{f1 = #c{f1 = a,"
"f2 = b},f2 = b},f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b},\n"
" f2 = b}">>,
p({c,{c,{c,{c,{c,{c,{c,{c,{c,{c,{c,{c,a,b},b},b},b},b},b},
b},b},b},b},b},b}, -1)),
bt(<<"#rrrrr{\n"
" f1 =\n"
" #rrrrr{\n"
" f1 =\n"
" #rrrrr{\n"
" f1 =\n"
" #rrrrr{\n"
" f1 =\n"
" {rrrrr,{rrrrr,a,#rrrrr{f1 = {rrrrr,1,2},f2 = a,"
"f3 = b}},b},\n"
" f2 = {rrrrr,c,d},\n"
" f3 = {rrrrr,1,2}},\n"
" f2 = 1,f3 = 2},\n"
" f2 = 3,f3 = 4},\n"
" f2 = 5,f3 = 6}">>,
p({rrrrr,{rrrrr,{rrrrr,{rrrrr,{rrrrr,{rrrrr,a,{rrrrr,
{rrrrr,1,2},a,b}},b},{rrrrr,c,d},{rrrrr,1,2}},
1,2},3,4},5,6}, -1)),
"{aaa,\n {aaa," ++ _ =
p({aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,
{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,
{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,
{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,{aaa,
{aaa,a}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}},
1, 80, -1),
%% A few other cases...
"{a,#Fun<" ++ _ = lists:flatten(io_lib_pretty:print({a,fun fmt/2})),
"#Fun<" ++ _ = io_lib_pretty:print(fun() -> foo end),
%% No support for negative columns any more:
"[a,\n [b,\n c,\n d,\n [e,\n f]],\n c]" =
p([a,[b,c,d,[e,f]],c], -1, 2, 10),
"[a,\n [b,\n c,\n d,\n [e,\n f]],\n c]" =
p([a,[b,c,d,[e,f]],c], 0, 2, 10),
%% 20 bytes are tried first, then the rest. Try 21 bytes:
L = lists:duplicate(20, $a),
%% bt(<<"<<\"aaaaaa\"\n \"aaaaaa\"\n \"aaaaaa\"\n \"aaa\">>">>,
bt(<<"<<\"aaaaaaaaaaaaaaaaaaaaa\">>">>,
p(list_to_binary([$a | L]), 1, 10, -1)),
"<<97," ++ _ = p(list_to_binary(L ++ [3]), 1, 10, -1),
"<<97," ++ _ = p(list_to_binary(L ++ [3]), 1, 10, 22),
"\"\\b\\t\\n\\v\\f\\r\\e\250\"" =
p([8,9,10,11,12,13,27,168], 1, 40, -1),
%% "\"\\b\\t\\n\"\n \"\\v\\f\\r\"\n \"\\e\250\"" =
"\"\\b\\t\\n\\v\\f\\r\\e¨\"" =
p([8,9,10,11,12,13,27,168], 1, 10, -1),
"\"\\b\\t\\n\\v\\f\\r\\e\250\"" =
p([8,9,10,11,12,13,27,168], 1, 40, 100),
%% "\"\\e\\t\\nab\"\n \"cd\"" =
"\"\\e\\t\\nabcd\"" =
p("\e\t\nabcd", 1, 12, -1),
%% DEL (127) is special...
"[127]" = p("\d", 1, 10, -1),
"[127]" = p([127], 1, 10, 100),
"<<\"\\b\\t\\n\\v\\f\\r\\e\250\">>" =
p(<<8,9,10,11,12,13,27,168>>, 1, 40, -1),
"<<\"\\b\\t\\n\\v\\f\\r\\e\250\">>" =
p(<<8,9,10,11,12,13,27,168>>, 1, 10, -1),
"<<127>>" = p(<<127>>, 1, 10, 100),
%% "Partial" string binaries:
"<<\"he\"...>>" = p(list_to_binary("he"++[3]), 1, 80, 2),
"<<\"he\"...>>" = p(list_to_binary("he"++[3]), 1, 80, 3),
"<<104,101,3>>" = p(list_to_binary("he"++[3]), 1, 80, 4),
"<<...>>" = p(list_to_binary([3] ++ "he"), 1, 80, 1),
"<<3,...>>" = p(list_to_binary([3] ++ "he"), 1, 80, 2),
"<<3,104,...>>" = p(list_to_binary([3] ++ "he"), 1, 80, 3),
"<<\"12345678901234567890\"...>>" =
p(list_to_binary("12345678901234567890"++[3]), 1, 80, 8),
"<<\"12345678901234567890\"...>>" =
p(list_to_binary("12345678901234567890"++[3]), 1, 80, 21),
"<<49," ++ _ =
p(list_to_binary("12345678901234567890"++[3]), 1, 80, 22),
"{sdfsdfj,\n 23" ++ _ =
p({sdfsdfj,23423423342.23432423}, 1, 17, -1),
bt(<<"kljkljlksdjjlf kljalkjlsdajafasjdfj [kjljklasdf,kjlljsfd,sdfsdkjfsd,kjjsdf,jl,
lkjjlajsfd|jsdf]">>,
fmt("~w ~w ~p",
[kljkljlksdjjlf,
kljalkjlsdajafasjdfj,
[kjljklasdf,kjlljsfd,sdfsdkjfsd,kjjsdf,jl,lkjjlajsfd |
jsdf]])),
%% Binaries are split as well:
bt(<<"<<80,100,0,55,55,55,55,55,55,55,55,55,\n "
"55,55,55,55,55,55,55,...>>">>,
p(<<80,100,0,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,
55,55,55,55,55,55,55,55,55,55,55,55>>,1,40,20)),
bt(<<"<<80,100,0,55,55,55,55,55,55,55,55,55,\n "
"55,55,55,55,55,55,55,55,55,55,55,55,\n 55,55,55,55,55,55>>">>,
p(<<80,100,0,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,
55,55,55,55,55,55,55,55,55,55,55,55>>,1,40,-1)),
"<<0,0,0,\n ...>>" = p(<<0,0,0,0,0>>, 1, 10, 4),
%% ~W now uses ",..." when printing tuples
"[a,b|...]" = fmt("~W", [[a,b,c,d,e], 3]),
"{a,b,...}" = fmt("~W", [{a,b,c,d,e}, 3]),
ok.
%% OTP-6495. io_lib_pretty bugfix.
otp_6495(Config) when is_list(Config) ->
bt(<<"[120,120,120,120,120,120,120,120,120,120,120,120,120,120,"
"120,120,120,120,120]<<1>>">>,
fmt("~w~p", ["xxxxxxxxxxxxxxxxxxx", <<1>>])),
ok.
%% OTP-6517. The Format argument of fwrite can be a binary.
otp_6517(Config) when is_list(Config) ->
"string" = fmt(<<"~s">>, [<<"string">>]),
ok.
%% OTP-6502. Bits.
otp_6502(Config) when is_list(Config) ->
bt(<<
"[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]"
"<<0,0,8,\n"
" "
" 1:1>>">>,
fmt("~w~p", [lists:seq(0, 25), <<17:25>>])),
ok.
%% OTP-7421. Soft limit of 60 chars removed when pretty printing.
otp_7421(Config) when is_list(Config) ->
bt(<<"{aa,bb,\n"
" c,dd,\n"
" eee,\n"
" fff}">>,
rp({aa,bb,c,dd,eee,fff}, 1, 80, -1, 5, none)),
bt(<<"{aa,bb,\n"
" c,\n"
" dd,\n"
" eee,\n"
" fff}">>,
rp({aa,bb,c,dd,eee,fff}, 1, 80, -1, 4, none)),
ok.
bt(Bin, R) ->
R = binary_to_list(Bin).
p(Term, D) ->
rp(Term, 1, 80, D).
p(Term, Col, Ll, D) ->
rp(Term, Col, Ll, D, none).
rp(Term, Col, Ll, D) ->
rp(Term, Col, Ll, D, fun rfd/2).
-define(MAXCS, 60).
rp(Term, Col, Ll, D, RF) ->
rp(Term, Col, Ll, D, ?MAXCS, RF).
rp(Term, Col, Ll, D, M, none) ->
rp(Term, Col, Ll, D, M, fun(_, _) -> no end);
rp(Term, Col, Ll, D, M, RF) ->
%% io:format("~n~n*** Col = ~p Ll = ~p D = ~p~n~p~n-->~n",
%% [Col, Ll, D, Term]),
R = io_lib_pretty:print(Term, Col, Ll, D, M, RF),
%% io:format("~s~n<--~n", [R]),
lists:flatten(io_lib:format("~s", [R])).
fmt(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) ->
[];
rfd(b, 1) ->
[f];
rfd(c, 2) ->
[f1, f2];
rfd(e, 3) ->
[f, g, h];
rfd(d, 5) ->
[aaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbb,
cccccccccccccccccccc, dddddddddddddddddddd,
eeeeeeeeeeeeeeeeeeee];
rfd(rrrrr, 3) ->
[f1, f2, f3];
rfd(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 0) ->
[];
rfd('\x{400}', 1) ->
['\x{400}'];
rfd(_, _) ->
no.
%% The examples in io(3) and io_lib(3).
manpage(Config) when is_list(Config) ->
%% The examples that write or print only, not the ones that read...
bt(<<"Hello world!\n">>,
fmt("Hello world!~n", [])),
bt(<<"| aaaaa|bbbbb |ccccc|\n">>, % bugfix
fmt("|~10.5c|~-10.5c|~5c|~n", [$a, $b, $c])),
bt(<<"|**********|\n">>,
fmt("|~10w|~n", [{hey, hey, hey}])),
bt(<<"|{hey,hey,h|\n">>,
fmt("|~10s|~n", [io_lib:write({hey, hey, hey})])),
T = [{attributes,[[{id,age,1.50000},{mode,explicit},
{typename,"INTEGER"}], [{id,cho},{mode,explicit},{typename,'Cho'}]]},
{typename,'Person'},{tag,{'PRIVATE',3}},{mode,implicit}],
bt(<<"[{attributes,[[{id,age,1.5},{mode,explicit},{typename,"
"[73,78,84,69,71,69,82]}],[{id,cho},{mode,explicit},"
"{typename,'Cho'}]]},{typename,'Person'},{tag,{'PRIVATE',3}},"
"{mode,implicit}]\n">>,
fmt("~w~n", [T])),
bt(<<"[{attributes,[[{id,age,1.5},\n"
" {mode,explicit},\n"
" {typename,\"INTEGER\"}],\n"
" [{id,cho},{mode,explicit},{typename,'Cho'}]]},\n"
" {typename,'Person'},\n"
" {tag,{'PRIVATE',3}},\n"
" {mode,implicit}]\n">>,
fmt("~62p~n", [T])),
bt(<<"Here T = [{attributes,[[{id,age,1.5},\n"
" {mode,explicit},\n"
" {typename,\"INTEGER\"}],\n"
" [{id,cho},\n"
" {mode,explicit},\n"
" {typename,'Cho'}]]},\n"
" {typename,'Person'},\n"
" {tag,{'PRIVATE',3}},\n"
" {mode,implicit}]\n">>,
fmt("Here T = ~62p~n", [T])),
bt(<<"[{attributes,[[{id,age,1.5},{mode,explicit},"
"{typename,...}],[{id,cho},{mode,...},{...}]]},"
"{typename,'Person'},{tag,{'PRIVATE',3}},{mode,implicit}]\n">>,
fmt("~W~n", [T,9])),
bt(<<"[{attributes,[[{id,age,1.5},{mode,explicit},{typename,...}],"
"\n "
"[{id,cho},{mode,...},{...}]]},\n {typename,'Person'},\n "
"{tag,{'PRIVATE',3}},\n {mode,implicit}]\n">>,
fmt("~62P~n", [T,9])),
"1F\n" = fmt("~.16B~n", [31]),
"-10011\n" = fmt("~.2B~n", [-19]),
"5Z\n" = fmt("~.36B~n", [5*36+35]),
"10#31\n" = fmt("~X~n", [31,"10#"]),
"-0x1F\n" = fmt("~.16X~n", [-31,"0x"]),
"10#31\n" = fmt("~.10#~n", [31]),
"-16#1F\n" = fmt("~.16#~n", [-31]),
"abc def 'abc def' {foo,1} A \n" =
fmt("~s ~w ~i ~w ~c ~n",
['abc def', 'abc def', {foo, 1},{foo, 1}, 65]),
%% fmt("~s", [65]),
%% io_lib(3)
bt(<<"{1,[2],[3],[...],...}">>,
lists:flatten(io_lib:write({1,[2],[3],[4,5],6,7,8,9}, 5))),
ok.
%% OTP-6708. Fewer newlines when pretty-printing.
otp_6708(Config) when is_list(Config) ->
bt(<<"[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,\n"
" 23,24,25,26,27,28,29|...]">>,
p(lists:seq(1,1000), 30)),
bt(<<"{lkjasklfjsdak,mlkasjdflksj,klasdjfklasd,jklasdfjkl,\n"
" jklsdjfklsd,masdfjkkl}">>,
p({lkjasklfjsdak,mlkasjdflksj,klasdjfklasd,jklasdfjkl,
jklsdjfklsd, masdfjkkl}, -1)),
bt(<<"#b{f = {lkjljalksdf,jklaskfjd,kljasdlf,kljasdf,kljsdlkf,\n"
" kjdd}}">>,
p({b, {lkjljalksdf,jklaskfjd,kljasdlf,kljasdf,kljsdlkf,kjdd}},
-1)),
bt(<<"#b{f = {lkjljalksdf,jklaskfjd,kljasdlf,kljasdf,kljsdlkf,\n"
" kdd}}">>,
p({b, {lkjljalksdf,jklaskfjd,kljasdlf,kljasdf,kljsdlkf,kdd}},
-1)),
bt(<<"#e{f = undefined,g = undefined,\n"
" h = #e{f = 11,g = 22,h = 333}}">>,
p({e,undefined,undefined,{e,11,22,333}}, -1)),
bt(<<"[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21|\n"
" apa11]">>,
p(lists:seq(1,21) ++ apa11, -1)),
bt(<<"[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,\n"
" 23,\n"
" {{abadalkjlasdjflksdajfksdklfsdjlkfdlskjflsdj"
"flsdjfldsdsdddd}}]">>,
p(lists:seq(1,23) ++
[{{abadalkjlasdjflksdajfksdklfsdjlkfdlskjflsdjflsdjfldsdsdddd}}],
-1)),
bt(<<"{lkjasdf,\n"
" {kjkjsd,\n"
" {kjsd,\n"
" {kljsdf,\n"
" {kjlsd,{dkjsdf,{kjlds,{kljsd,{kljs,"
"{kljlkjsd}}}}}}}}}}">>,
p({lkjasdf,{kjkjsd,{kjsd,
{kljsdf,
{kjlsd,
{dkjsdf,{kjlds,
{kljsd,{kljs,{kljlkjsd}}}}}}}}}},
-1)),
bt(<<"{lkjasdf,\n"
" {kjkjsd,\n"
" {kjsd,{kljsdf,{kjlsd,{dkjsdf,{kjlds,"
"{kljsd,{kljs}}}}}}}}}">>,
p({lkjasdf,{kjkjsd,{kjsd,
{kljsdf,{kjlsd,{dkjsdf,
{kjlds,{kljsd,{kljs}}}}}}}}},
-1)),
bt(<<"<<1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,\n"
" 22,23>>">>,
p(list_to_binary(lists:seq(1,23)), -1)),
bt(<<"<<100,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,\n"
" 27>>">>,
p(list_to_binary([100|lists:seq(10,27)]), -1)),
bt(<<"<<100,101,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,\n"
" 26>>">>,
p(list_to_binary([100,101|lists:seq(10,26)]), -1)),
bt(<<"{{<<100,101,102,10,11,12,13,14,15,16,17,18,19,20,21,22,\n"
" 23>>}}">>,
p({{list_to_binary([100,101,102|lists:seq(10,23)])}}, -1)),
bt(<<"[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22|\n"
" ap]">>,
p(lists:seq(1,22) ++ ap, -1)),
bt(<<"[1,2,3,4,5,6,7,8,9,10,{},[],\n <<>>,11,12,13,14,15]">>,
p(lists:seq(1,10) ++ [{},[],<<>>] ++ lists:seq(11,15),1,30,-1)),
bt(<<"[ddd,ddd,\n"
" {1},\n"
" [1,2],\n"
" ddd,kdfd,\n"
" [[1,2],a,b,c],\n"
" <<\"foo\">>,<<\"bar\">>,1,\n"
" {2}]">>,
p([ddd,ddd,{1},[1,2],ddd,kdfd,[[1,2],a,b,c],<<"foo">>,<<"bar">>,
1,{2}],1,50,-1)),
bt(<<"{dskljsadfkjsdlkjflksdjflksdjfklsdjklfjsdklfjlsdjfkl,jksd,\n"
" "
"lkjsdf,kljsdf,kljsf,kljsdf,kljsdf,jkldf,jklsdf,kljsdf,\n"
" "
"kljsdf,jklsdf,lkjfd,lkjsdf,kljsdf,kljsdf,lkjsdf,kljsdf,\n"
" "
"lkjsdfsd,kljsdf,kjsfj}">>,
p({dskljsadfkjsdlkjflksdjflksdjfklsdjklfjsdklfjlsdjfkl,jksd,
lkjsdf,kljsdf,kljsf,kljsdf,kljsdf,jkldf,jklsdf,kljsdf,
kljsdf,jklsdf,lkjfd,lkjsdf,kljsdf,kljsdf,lkjsdf,kljsdf,
lkjsdfsd,kljsdf,kjsfj}, 1, 110, -1)),
bt(<<"{dskljsadfkjsdlkjflksdjflksdjfklsdjklfjsdklfjlsdjfkl,"
"#d{aaaaaaaaaaaaaaaaaaaa = 1,\n"
" "
"bbbbbbbbbbbbbbbbbbbb = 2,cccccccccccccccccccc = 3,\n"
" "
"dddddddddddddddddddd = 4,eeeeeeeeeeeeeeeeeeee = 5}}">>,
rp({dskljsadfkjsdlkjflksdjflksdjfklsdjklfjsdklfjlsdjfkl,
{d,1,2,3,4,5}},1,200,-1)),
ok.
-define(ONE(N), ((1 bsl N) - 1)).
-define(ALL_ONES, ((1 bsl 52) - 1)).
otp_7084() ->
[{timetrap,{minutes,6}}]. %% valgrind needs a lot of time
%% OTP-7084. Printing floating point numbers nicely.
otp_7084(Config) when is_list(Config) ->
L = [{g_warm_up, fun g_warm_up/0},
{g_big_pos_float, fun g_big_pos_float/0},
{g_small_neg_float, fun g_small_neg_float/0},
{g_close_to_zero, fun g_close_to_zero/0},
{g_denormalized, fun g_denormalized/0},
{g_normalized, fun g_normalized/0},
{g_choice, fun g_choice/0},
{g_misc, fun g_misc/0}],
F = fun({M,T}) -> io:format("~p~n", [M]), T() end,
R = try
lists:foreach(fun(T) -> F(T) end, L),
ok
catch throw:Reason ->
Reason
end,
R.
g_warm_up() ->
g_t(0.5),
g_t(-0.5),
g_t((1 bsl 55) * 0.5),
g_t(-(1 bsl 55) * 0.5),
g_t(1.6799127650033296e+308),
g_t(pack(1, 0, 2#1010101010001100101000010111100101000000101100110001)),
g_t(pack(1, 0, 2#0001010000001001110100000101010101001110010001010110)),
g_t(234324324.23432432432432),
ok.
g_big_pos_float() ->
%% The greatest positive float:
ft({{0,2046,?ONE(52)}, 100, 0}),
ok.
g_small_neg_float() ->
%% The least negative float:
ft({{1,2046,?ONE(52)}, 0, 100}),
ok.
g_close_to_zero() ->
%% A few denormalized floats close to zero:
ft({{0,0,0}, 100, 100}),
g_t(pack(1, 0, 0)), % -0.0
ok.
g_denormalized() ->
%% Denormalized floats (mantissa carry):
%% D = 5,
%% Faster:
D = 1,
[ft({{S,0,?ONE(N)},D,D}) || S <- [0,1], N <- lists:seq(0, 52)],
ok.
g_normalized() ->
%% Normalized floats (exponent carry):
%% D = 5,
%% Faster:
D = 1,
[ft({{S,E,?ONE(52)},D,D}) || S <- [0,1], E <- lists:seq(0, 2045)],
ok.
g_choice() ->