%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2016. 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%
%%
%%%----------------------------------------------------------------
%%% Purpose: string test suite.
%%%-----------------------------------------------------------------
-module(string_SUITE).
-include_lib("common_test/include/ct.hrl").
%% Test server specific exports
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
-export([init_per_testcase/2, end_per_testcase/2]).
%% Test cases must be exported.
-export([is_empty/1, length/1, to_graphemes/1,
reverse/1, slice/1,
equal/1,
pad/1, trim/1, chomp/1, take/1,
uppercase/1, lowercase/1, titlecase/1, casefold/1,
prefix/1, split/1, replace/1, find/1,
lexemes/1, nth_lexeme/1, cd_gc/1, meas/1
]).
-export([len/1,old_equal/1,old_concat/1,chr_rchr/1,str_rstr/1]).
-export([span_cspan/1,substr/1,old_tokens/1,chars/1]).
-export([copies/1,words/1,strip/1,sub_word/1,left_right/1]).
-export([sub_string/1,centre/1, join/1]).
-export([to_integer/1,to_float/1]).
-export([to_upper_to_lower/1]).
%% Run tests when debugging them
-export([debug/0]).
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,1}}].
all() ->
[{group, chardata}, {group, list_string}].
groups() ->
[{chardata,
[is_empty, length, to_graphemes,
equal, reverse, slice,
pad, trim, chomp, take,
lexemes, nth_lexeme,
uppercase, lowercase, titlecase, casefold,
prefix, find, split, replace, cd_gc,
meas]},
{list_string,
[len, old_equal, old_concat, chr_rchr, str_rstr, span_cspan,
substr, old_tokens, chars, copies, words, strip, sub_word,
left_right, sub_string, centre, join, to_integer,
to_float, to_upper_to_lower]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
Config.
end_per_testcase(_Case, _Config) ->
ok.
debug() ->
Config = [{data_dir, ?MODULE_STRING++"_data"}],
[io:format("~p:~p~n",[Test,?MODULE:Test(Config)]) ||
{_,Tests} <- groups(), Test <- Tests].
-define(TEST(B,C,D), test(?LINE,?FUNCTION_NAME,B,C,D, true)).
-define(TEST_EQ(B,C,D),
test(?LINE,?FUNCTION_NAME,B,C,D, true),
test(?LINE,?FUNCTION_NAME,hd(C),[B|tl(C),D, true)).
-define(TEST_NN(B,C,D),
test(?LINE,?FUNCTION_NAME,B,C,D, false),
test(?LINE,?FUNCTION_NAME,hd(C),[B|tl(C)],D, false)).
is_empty(_) ->
?TEST("", [], true),
?TEST([""|<<>>], [], true),
?TEST("a", [], false),
?TEST([""|<<$a>>], [], false),
?TEST(["",[<<>>]], [], true),
ok.
length(_) ->
%% invalid arg type
{'EXIT',_} = (catch string:length({})),
{'EXIT',_} = (catch string:length(foo)),
%% Valid signs
?TEST("", [], 0),
?TEST([""|<<>>], [], 0),
L = tuple_size(list_to_tuple(atom_to_list(?MODULE))),
?TEST(atom_to_list(?MODULE), [], L),
?TEST("Hello", [], 5),
?TEST("UC Ω ßð", [], 7),
?TEST(["abc"|<<"abc">>], [], 6),
?TEST(["abc",["def"]], [], 6),
?TEST([<<97/utf8, 778/utf8, 98/utf8>>, [776,111,776]], [], 3), %% åäö in nfd
ok.
equal(_) ->
%% invalid arg type
{'EXIT',_} = (catch string:equal(1, 2)),
{'EXIT',_} = (catch string:equal(1, 2, foo)),
{'EXIT',_} = (catch string:equal(1, 2, true, foo)),
?TEST("", [<<"">>], true),
?TEST("Hello", ["Hello"], true),
?TEST("Hello", ["Hell"], false),
?TEST("Hello", ["Hello!"], false),
?TEST("Hello", [<<"Hello"/utf8>>], true),
?TEST("Hello", [<<"Mello"/utf8>>], false),
?TEST("Hello", [<<"Hello!"/utf8>>], false),
?TEST(["Hello",[" deep"]], ["Hello deep"], true),
?TEST(["Hello",[<<" deep"/utf8>>]], ["Hello deep"], true),
?TEST("Hello deep", [["Hello", [" deep"]]], true),
?TEST("Hello deep", [["Hello", [" d!eep"]]], false),
?TEST("Hello deep", [["Hello", [<<" deep"/utf8>>]]], true),
false = string:equal("Åäö", [<<97/utf8, 778/utf8, 98/utf8>>, [776,111,776]]), %% nfc vs nfd
%% case_insensitive_equal()
?TEST("", ["", true], true),
?TEST("a", ["b", true], false),
?TEST("", [<<>>, true], true),
?TEST("", [[<<>>,[]], true], true),
?TEST("", [[<<>>,[$a]], true], false),
?TEST("123", ["123", true], true),
?TEST("abc", ["abc", true], true),
?TEST([[],<<>>,"ABC"|<<>>], [["abc",[]], true], true),
?TEST("ABCa", ["abcå", true], false),
?TEST("åäö", [{norm,"åäö"}, true], true),
?TEST("ÅÄÖ", [{norm,"åäö"}, true], true),
?TEST("MICHAŁ", ["michał", true], true),
?TEST(["Mic",<<"HAŁ"/utf8>>], ["michał", true], true),
?TEST("ß SHARP S", ["ss sharp s", true], true),
?TEST("ẞ SHARP S", [[<<$ß/utf8, $\s>>,"SHARP S"], true], true),
?TEST("ẞ SHARP ß", ["ss sharp s", true], false),
?TEST(<<"İ I WITH DOT ABOVE"/utf8>>, ["i̇ i with dot above", true], true),
%% These should be equivalent with the above
true = string:equal(string:casefold(["Mic",<<"HAŁ"/utf8>>]), string:casefold("michał")),
true = string:equal(string:casefold("ẞ SHARP S"), string:casefold([<<$ß/utf8, $\s>>,"SHARP S"])),
false = string:equal(string:casefold("ẞ SHARP ß"), string:casefold("ss sharp s")),
%% Normalization
?TEST_NN("", ["", true, none], true),
?TEST_NN("a", ["b", true, nfc], false),
?TEST_NN("a", ["b", true, nfd], false),
?TEST_NN("a", ["b", true, nfkc], false),
?TEST_NN("a", ["b", true, nfkd], false),
?TEST_NN("a", ["A", false, nfc], false),
?TEST_NN("a", ["A", false, nfd], false),
?TEST_NN([<<>>,"a"|<<>>], ["A", true, nfkc], true),
?TEST_NN(<<"a">>, ["A", true, nfkd], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abä", false, none], false),
?TEST_NN([$a, <<$b>>, [97,776]], ["abä", false, nfc], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abä", false, nfd], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abä", false, nfkc], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abä", false, nfkd], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", true, none], false),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", false, nfc], false),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", true, nfc], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", true, nfd], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", true, nfkc], true),
?TEST_NN([$a, <<$b>>, [97,776]], ["abÄ", true, nfkd], true),
?TEST_NN([$a, <<$b>>, "ホンダ"], ["abﾎﾝﾀﾞ", true, none], false),
?TEST_NN([$a, <<$b>>, "ホンダ"], ["abﾎﾝﾀﾞ", true, nfc], false),
?TEST_NN([$a, <<$b>>, "ホンダ"], ["abﾎﾝﾀﾞ", true, nfd], false),
?TEST_NN([$a, <<$b>>, "ホンダ"], ["abﾎﾝﾀﾞ", true, nfkc], true),
?TEST_NN([$a, <<$b>>, "ホンダ"], ["abﾎﾝﾀﾞ", true, nfkd], true),
?TEST_NN([$a, <<$b>>, "32"], ["ab３２", true, none], false),
?TEST_NN([$a, <<$b>>, "32"], ["ab３２", true, nfc], false),
?TEST_NN([$a, <<$b>>, "32"], ["ab３２", true, nfd], false),
?TEST_NN([$a, <<$b>>, "32"], ["ab３２", true, nfkc], true),
?TEST_NN([$a, <<$b>>, "32"], ["ab３２", true, nfkd], true),
%% Coverage.
?TEST("", [<<"">>, false, nfc], true),
?TEST("", [<<"">>, true, nfc], true),
ok.
to_graphemes(_) ->
%% More tests are in unicode_util_SUITE.erl
{'EXIT', _} = (catch unicode:characters_to_nfd_binary(["asdåäö", an_atom])),
String = ["abc..åäö", $e, 788, <<"Ωµe`è"/utf8>>, "œŒþæÆħ§ß"],
NFD = unicode:characters_to_nfd_list(String),
[] = string:to_graphemes([]),
[] = string:to_graphemes(<<>>),
GCs = string:to_graphemes(String),
true = erlang:length(GCs) =:= string:length(String),
true = erlang:length(GCs) =:= erlang:length(string:to_graphemes(NFD)),
true = erlang:length(GCs) =:=
erlang:length(string:to_graphemes(unicode:characters_to_nfc_list(String))),
ok.
reverse(_) ->
{'EXIT',_} = (catch string:reverse(2)),
Str1 = "Hello ",
Str2 = "Ω ßð",
Str3 = "åäö",
?TEST("", [], ""),
?TEST(Str1, [], lists:reverse(Str1)),
?TEST(Str2, [], lists:reverse(Str2)),
?TEST(Str3, [], lists:reverse(Str3)),
true = string:reverse(Str3) =:= lists:reverse(string:to_graphemes(Str3)),
ok.
slice(_) ->
{'EXIT',_} = (catch string:slice(2, 2, 2)),
{'EXIT',_} = (catch string:slice("asd", foo, 2)),
{'EXIT',_} = (catch string:slice("asd", 2, -1)),
?TEST("", [3], ""),
?TEST("aåä", [1, 0], ""),
?TEST("aåä", [3], ""),
?TEST("aåäöbcd", [3], "öbcd"),
?TEST([<<"aå"/utf8>>,"äöbcd"], [3], "öbcd"),
?TEST([<<"aåä"/utf8>>,"öbcd"], [3], "öbcd"),
?TEST([<<"aåä"/utf8>>,"öbcd"], [3, infinity], "öbcd"),
?TEST("", [3, 2], ""),
?TEST("aåä", [3, 2], ""),
?TEST("aåäöbcd", [3,2], "öb"),
?TEST([<<"aå"/utf8>>,"äöbcd"], [3,3], "öbc"),
?TEST([<<"aåä"/utf8>>,"öbcd"], [3,10], "öbcd"),
ok.
pad(_) ->
Str = "Hallå",
?TEST(Str, [7], "Hallå "),
?TEST(Str, [7, leading], " Hallå"),
?TEST(Str, [4, both, $.], "Hallå"),
?TEST(Str, [10, both, $.], "..Hallå..."),
?TEST(Str, [10, leading, $.], ".....Hallå"),
?TEST(Str, [10, trailing, $.], "Hallå....."),
?TEST(Str++["f"], [10, trailing, $.], "Hallåf...."),
?TEST(Str++[" flåwer"], [10, trailing, $.], "Hallå flåwer"),
ok.
trim(_) ->
Str = "\t\s..Ha\s.llå..\t\n\r",
?TEST("", [], ""),
?TEST(Str, [both, "x"], Str),
?TEST(Str, [leading], "..Ha\s.llå..\t\n\r"),
?TEST(Str, [trailing], "\t\s..Ha\s.llå.."),
?TEST(Str, [], "..Ha .llå.."),
?TEST(".. ", [both, ""], ".. "),
?TEST([<<".. ">>], [both, ". "], ""),
?TEST(".. h.ej ..", [leading, ". "], "h.ej .."),
?TEST(".. h.ej ..", [trailing, ". "], ".. h.ej"),
?TEST(".. h.ej ..", [both, ". "], "h.ej"),
?TEST(["..", <<"h.ej">>, ".."], [both, ". "], "h.ej"),
?TEST([[], "..", " h.ej ", <<"..">>], [both, ". "], "h.ej"),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [both, ". "], "h.ej"),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [trailing, ". "], ".. h.ej"),
?TEST([<<".. h.ej .">>, <<"..">>], [both, ". "], "h.ej"),
?TEST(["..h", ".e", <<"j..">>], [both, ". "], "h.ej"),
?TEST(["..h", <<".ejsa"/utf8>>, "n.."], [both, ". "], "h.ejsan"),
%% Test that it behaves with graphemes (i.e. nfd tests are the hard part)
?TEST("aaåaa", [both, "a"], "å"),
?TEST(["aaa",778,"äöoo"], [both, "ao"], "åäö"),
?TEST([<<"aaa">>,778,"äöoo"], [both, "ao"], "åäö"),
?TEST([<<"e">>,778,"åäöe", <<778/utf8>>], [both, [[$e,778]]], "åäö"),
?TEST([[<<"!v">>|<<204,128,$v,204,129>>]],[trailing, [[$v,769]]], [$!,$v,768]),
?TEST([[[<<"v">>|<<204,129,118,204,128,118>>],769,118,769]], [trailing, [[118,769]]], [$v,769,$v,768]),
?TEST([<<"vv">>|<<204,128,118,204,128>>], [trailing, [[118,768]]], "v"),
ok.
chomp(_) ->
Str = "åäö\na\r\nsd\n",
Res = "åäö\na\r\nsd",
?TEST("", [], ""),
?TEST("\n", [], ""),
?TEST("str \t", [], "str \t"),
?TEST("str \t\n\r", [], "str \t\n\r"),
?TEST(Str, [], Res),
?TEST([Str,$\n], [], Res),
?TEST([Str|"\n"], [], Res),
?TEST([Str|<<"\n">>], [], Res),
?TEST([Str,$\r|<<"\n">>], [], Res),
?TEST([Str, <<$\r>>|"\n"], [], Res),
?TEST([<<$a,$\r>>,"\na\n"], [], "a\r\na"),
ok.
take(_) ->
Str = "\t\s..Ha\s.llå..\t\n\r",
WS = "\t\s\n\r",
Chars = lists:seq($a,$z)++lists:seq($A,$Z),
%% complement=false, dir=leading
?TEST("", ["abc"], {"",""}),
?TEST(Str, ["x"], {[], Str}),
?TEST(Str, [WS], {"\t\s","..Ha\s.llå..\t\n\r"}),
?TEST(".. ", ["", false], {"", ".. "}),
?TEST([<<".. ">>], [". ", false, leading], {".. ", ""}),
?TEST(".. h.ej ..", [". ", false, leading], {".. ", "h.ej .."}),
?TEST(["..", <<"h.ej">>, ".."], [". ", false, leading], {"..", "h.ej.."}),
?TEST([[], "..", " h.ej ", <<"..">>], [". ", false, leading], {".. ","h.ej .."}),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [". ", false, leading], {".. ", "h.ej .."}),
?TEST(["..h", <<".ejsa"/utf8>>, "n.."], [". ", false, leading], {"..", "h.ejsan.."}),
?TEST([[<<101,204,138,33>>]], [[[$e,778]]], {[$e,778], "!"}),
%% Test that it behaves with graphemes (i.e. nfd tests are the hard part)
?TEST("aaåaa", ["a", false, leading], {"aa", "åaa"}),
?TEST(["aaa",778,"äöoo"], ["ao", false, leading], {"aa", "åäöoo"}),
?TEST([<<"aaa">>,778,"äöoo"], ["ao",false,leading], {"aa", "åäöoo"}),
?TEST([<<"e">>,778,"åäöe", <<778/utf8>>], [[[$e,778]], false, leading], {[$e,778],"åäöe"++[778]}),
%% complement=true, dir=leading
?TEST("", ["abc", true], {"",""}),
?TEST(Str, ["x", true], {Str, []}),
?TEST(Str, [Chars, true], {"\t\s..","Ha\s.llå..\t\n\r"}),
?TEST(".. ", ["",true], {".. ", ""}),
?TEST([<<".. ">>], [Chars, true, leading], {".. ", ""}),
?TEST(".. h.ej ..", [Chars, true, leading], {".. ", "h.ej .."}),
?TEST(["..", <<"h.ej">>, ".."], [Chars, true, leading], {"..", "h.ej.."}),
?TEST([[], "..", " h.ej ", <<"..">>], [Chars, true, leading], {".. ","h.ej .."}),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [Chars, true, leading], {".. ", "h.ej .."}),
?TEST(["..h", <<".ejsa"/utf8>>, "n.."], [Chars, true, leading], {"..", "h.ejsan.."}),
%% Test that it behaves with graphemes (i.e. nfd tests are the hard part)
?TEST(["aaee",778,"äöoo"], [[[$e,778]], true, leading], {"aae", [$e,778|"äöoo"]}),
?TEST([<<"aae">>,778,"äöoo"], [[[$e,778]],true,leading], {"aa", [$e,778|"äöoo"]}),
?TEST([<<"e">>,778,"åäöe", <<778/utf8>>], [[[$e,778]], true, leading], {[], [$e,778]++"åäöe"++[778]}),
%% complement=false, dir=trailing
?TEST(Str, ["", false, trailing], {Str, []}),
?TEST(Str, ["x", false, trailing], {Str, []}),
?TEST(Str, [WS, false,trailing], {"\t\s..Ha\s.llå..", "\t\n\r"}),
?TEST(".. h.ej ..", [". ", false, trailing], {".. h.ej", " .."}),
?TEST(["..", <<"h.ej">>, ".."], [". ", false, trailing], {"..h.ej", ".."}),
?TEST([[], "..", " h.ej ", <<"..">>], [". ", false, trailing], {".. h.ej", " .."}),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [". ", false, trailing], {".. h.ej", " .."}),
?TEST(["..h", <<".ejsa"/utf8>>, "n.."], [". ", false, trailing], {"..h.ejsan", ".."}),
?TEST("aaåaa", ["a", false, trailing], {"aaå", "aa"}),
?TEST([<<"KMШ"/utf8>>], [[1064], false, trailing], {"KMШ",[]}),
?TEST([[<<"!\"">>|<<"\"">>]], ["\"", false, trailing], {"!", "\"\""}),
?TEST([<<$v>>, 769], [[[$v,769]], false, trailing], {"", [$v,769]}),
?TEST(["aaa",778,"äöoo"], ["ao", false, trailing], {"aaåäö", "oo"}),
?TEST([<<"aaa">>,778,"äöoo"], ["ao", false, trailing], {"aaåäö", "oo"}),
?TEST([<<"e">>,778,"åäöee", <<778/utf8>>], [[[$e,778]], false, trailing], {[$e,778|"åäöe"], [$e,778]}),
%% complement=true, dir=trailing
?TEST("", ["abc", true, trailing], {"",""}),
?TEST(Str, ["x", true, trailing], {[], Str}),
%?TEST(Str, [{norm,Chars}, true, trailing], {"\t\s..Ha\s.ll","å..\t\n\r"}),
?TEST(".. ", ["", true, trailing], {"", ".. "}),
?TEST([<<".. ">>], [Chars, true, trailing], {"", ".. "}),
?TEST(".. h.ej ..", [Chars, true, trailing], {".. h.ej", " .."}),
?TEST(["..", <<"h.ej">>, ".."], [Chars, true, trailing], {"..h.ej", ".."}),
?TEST([[], "..", " h.ej ", <<"..">>], [Chars, true, trailing], {".. h.ej"," .."}),
?TEST([<<>>,<<"..">>, " h.ej", <<" ..">>], [Chars, true, trailing], {".. h.ej"," .."}),
?TEST(["..h", <<".ejsa"/utf8>>, "n.."], [Chars, true, trailing], {"..h.ejsan", ".."}),
?TEST([[<<101,204,138,33>>]], [[[$e,778]], true, trailing], {[$e,778], "!"}),
?TEST([<<"Fa">>], [[$F], true, trailing], {"F", "a"}),
?TEST([[<<101,101,204,138>>,1045,778]], ["e", true, trailing], {"e", [101,778,1045,778]}),
?TEST([[<<101,101,204,138>>,<<1045/utf8,778/utf8>>]], ["e", true, trailing], {"e", [101,778,1045,778]}),
?TEST([[[118,769,118],<<204,129,118,204,129,120,204,128,118>>,768,120,768]],
[[[118,769]], true, trailing], {[118,769,118,769,118,769],[120,768,118,768,120,768]}),
?TEST([[<<118,204,128,118>>|<<204,128,118,204,128,118,204,128,206,132,204,129,206,132,204,129>>]],
[[[118,768]], true, trailing], {[118,768,118,768,118,768,118,768], [900,769,900,769]}),
%% Test that it behaves with graphemes (i.e. nfd tests are the hard part)
?TEST(["aaee",778,"äöoo"], [[[$e,778]], true, trailing], {"aae"++[$e,778], "äöoo"}),
?TEST([<<"aae">>,778,"äöoo"], [[[$e,778]],true,trailing], {"aa"++[$e,778], "äöoo"}),
?TEST([<<"e">>,778,"åäöe", <<778/utf8>>], [[[$e,778]], true, trailing], {[$e,778]++"åäöe"++[778], []}),
?TEST([<<"e">>,778,"åäöe", <<778/utf8>>, $e, 779], [[[$e,778]], true, trailing],
{[$e,778]++"åäöe"++[778], [$e,779]}),
ok.
uppercase(_) ->
?TEST("", [], ""),
?TEST("123", [], "123"),
?TEST("abc", [], "ABC"),
?TEST("ABC", [], "ABC"),
?TEST("abcdefghiljklmnopqrstvxyzåäö",[], "ABCDEFGHILJKLMNOPQRSTVXYZÅÄÖ"),
?TEST("åäö", [], "ÅÄÖ"),
?TEST("ÅÄÖ", [], "ÅÄÖ"),
?TEST("Michał", [], "MICHAŁ"),
?TEST(["Mic",<<"hał"/utf8>>], [], "MICHAŁ"),
?TEST("ljLJ", [], "LJLJ"),
?TEST("LJlj", [], "LJLJ"),
?TEST("ß sharp s", [], "SS SHARP S"),
ok.
lowercase(_) ->
?TEST("", [], ""),
?TEST("123", [], "123"),
?TEST("abc", [], "abc"),
?TEST("ABC", [], "abc"),
?TEST("åäö", [], "åäö"),
?TEST("ÅÄÖ", [], "åäö"),
?TEST("MICHAŁ", [], "michał"),
?TEST(["Mic",<<"HAŁ"/utf8>>], [], "michał"),
?TEST("ß SHARP S", [], "ß sharp s"),
?TEST("İ I WITH DOT ABOVE", [], "i̇ i with dot above"),
ok.
titlecase(_) ->
?TEST("", [], ""),
?TEST("123", [], "123"),
%% Titlecase is the same as uppercase for most chars
[?TEST([C,$x], [], string:uppercase([C])++[$x]) ||
C <-"abcdefghiljklmnopqrstvxyzåäö"],
%% Example of a different mapping
?TEST("ljusad", [],"Ljusad"),
?TEST("ljLJ", [], "LjLJ"),
?TEST("LJlj", [], "Ljlj"),
?TEST("ß sharp s", [], "Ss sharp s"),
ok.
casefold(_) ->
?TEST("", [], ""),
?TEST("123", [], "123"),
?TEST("abc", [], "abc"),
?TEST("ABC", [], "abc"),
?TEST("åäö", [], "åäö"),
?TEST("ÅÄÖ", [], "åäö"),
?TEST("MICHAŁ", [], "michał"),
?TEST(["Mic",<<"HAŁ"/utf8>>], [], "michał"),
?TEST("ß SHARP S", [], "ss sharp s"),
?TEST("ẞ SHARP S", [], "ss sharp s"),
?TEST("İ I WITH DOT ABOVE", [], "i̇ i with dot above"),
ok.
prefix(_) ->
?TEST("", ["a"], nomatch),
?TEST("a", [""], "a"),
?TEST("b", ["a"], nomatch),
?TEST("a", ["a"], ""),
?TEST("å", ["a"], nomatch),
?TEST(["a",<<778/utf8>>], ["a"], nomatch),
?TEST([<<"a"/utf8>>,778], ["a"], nomatch),
?TEST("hejsan", [""], "hejsan"),
?TEST("hejsan", ["hej"], "san"),
?TEST("hejsan", ["hes"], nomatch),
?TEST(["h", "ejsan"], ["hej"], "san"),
?TEST(["h", "e", "jsan"], ["hej"], "san"),
?TEST(["h", "e", "san"], ["hej"], nomatch),
?TEST(["h", <<"ejsan">>], ["hej"], "san"),
?TEST(["h", <<"e">>, "jsan"], ["hej"], "san"),
?TEST(["h", "e", <<"jsan">>], ["hej"], "san"),
ok.
split(_) ->
Mod = fun(Res) ->
[lists:flatten(unicode:characters_to_nfc_list(io_lib:format("~ts", [Str])))
|| Str <- Res] end,
?TEST("..", ["", leading], {Mod, [".."]}),
?TEST("..", ["..", leading], {Mod, [[],[]]}),
?TEST("abcd", ["..", leading], {Mod, ["abcd"]}),
?TEST("ab..bc", ["..", leading], {Mod, ["ab","bc"]}),
?TEST("ab..bc..cd", ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST("..ab", [".."], {Mod, [[],"ab"]}),
?TEST("ab..", ["..", leading], {Mod, ["ab",[]]}),
?TEST(["ab..bc..cd"], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab","..bc..cd"], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab",<<"..bc..cd">>], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab.",".bc..cd"], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab.",<<".bc..cd">>], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab..","bc..cd"], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab..",<<"bc..cd">>], ["..", leading], {Mod, ["ab","bc..cd"]}),
?TEST(["ab.","bc..cd"], ["..", leading], {Mod, ["ab.bc","cd"]}),
?TEST("ab...bc", ["..", leading], {Mod, ["ab",".bc"]}),
?TEST("..", ["", trailing], {Mod, [".."]}),
?TEST("..", ["..", trailing], {Mod, [[],[]]}),
?TEST("abcd", ["..", trailing], {Mod, ["abcd"]}),
?TEST("ab..bc", ["..", trailing], {Mod, ["ab","bc"]}),
?TEST("ab..bc..cd", ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST("..ab", ["..", trailing], {Mod, [[],"ab"]}),
?TEST("ab..", ["..", trailing], {Mod, ["ab",[]]}),
?TEST(["ab..bc..cd"], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab","..bc..cd"], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab"|<<"a">>], ["a", trailing], {Mod, ["ab",[]]}),
?TEST(["ab",<<"..bc..cd">>], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST([<<"ab.">>,".bc..cd"], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab.",<<".bc..cd">>], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab..","bc..cd"], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab..",<<"bc..cd">>], ["..", trailing], {Mod, ["ab..bc","cd"]}),
?TEST(["ab.","bc..cd"], ["..", trailing], {Mod, ["ab.bc","cd"]}),
?TEST("ab...bc", ["..", trailing], {Mod, ["ab.","bc"]}),
?TEST("..", ["..", all], {Mod, [[],[]]}),
?TEST("abcd", ["..", all], {Mod, ["abcd"]}),
?TEST("a..b", ["..", all], {Mod, ["a","b"]}),
?TEST("a..b..c", ["..", all], {Mod, ["a","b","c"]}),
?TEST("a..", ["..", all], {Mod, ["a",[]]}),
?TEST(["a..b..c"], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a","..b..c"], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a",<<"..b..c">>], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a.",".b..c"], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a.",<<".b..c">>], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a..","b..c"], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a..",<<"b..c">>], ["..", all], {Mod, ["a","b","c"]}),
?TEST(["a.","b..c"], ["..", all], {Mod, ["a.b","c"]}),
?TEST("a...b", ["..", all], {Mod, ["a",".b"]}),
%% Grapheme (split) tests
?TEST("aΩΩb", ["Ω", all], {Mod, ["a","","b"]}),
?TEST([<<"aae">>,778,"äöoo"], [[$e,778], leading], {Mod, ["aa","äöoo"]}),
?TEST([<<"aae">>,778,"äöoo"], [[$e,778], trailing], {Mod, ["aa","äöoo"]}),
?TEST([<<"aae">>,778,"äöoo"], [[$e,778], all], {Mod, ["aa","äöoo"]}),
?TEST([<<"aae">>,778,"öeeåäö"], ["e", leading], {Mod, [[$a, $a, $e,778,$ö],"eåäö"]}),
?TEST([<<"aae">>,778,"öeeåäö"], ["e", trailing], {Mod, [[$a, $a, $e,778,$ö, $e],"åäö"]}),
?TEST([<<"aae">>,778,"öeeåäö"], ["e", all], {Mod, [[$a, $a, $e,778,$ö],"", "åäö"]}),
ok.
replace(_) ->
?TEST(["a..b.", [".c"]], ["xxx", "::"], "a..b..c"),
?TEST(["a..b.", [".c"]], ["..", "::"], "a::b..c"),
?TEST([<<"a..b.">>, [".c"]], ["..", "::", trailing], "a..b::c"),
?TEST(["a..b.", [".c"]], ["..", "::", all], "a::b::c"),
ok.
cd_gc(_) ->
[] = string:next_codepoint(""),
[] = string:next_codepoint(<<>>),
[] = string:next_codepoint([<<>>]),
"abcd" = string:next_codepoint("abcd"),
[$e,778] = string:next_codepoint([$e,778]),
[$e|<<204,138>>] = string:next_codepoint(<<$e,778/utf8>>),
[778|_] = string:next_codepoint(tl(string:next_codepoint(<<$e,778/utf8>>))),
[] = string:next_grapheme(""),
[] = string:next_grapheme(<<>>),
[] = string:next_grapheme([<<>>]),
"abcd" = string:next_grapheme("abcd"),
[[$e,778]] = string:next_grapheme([$e,778]),
[[$e,778]] = string:next_grapheme(<<$e,778/utf8>>),
ok.
find(_) ->
?TEST(["h", "ejsan"], [""], "hejsan"),
?TEST(["h", "ejsan"], [<<>>], "hejsan"),
?TEST([], [""], ""),
?TEST([], ["hej"], nomatch),
?TEST(["h", "ejsan"], ["hej"], "hejsan"),
?TEST(["h", "e", "jsan"], ["hej"], "hejsan"),
?TEST(["xh", "e", "san"], ["hej"], nomatch),
?TEST([<<"xh">>, <<"ejsan">>], ["hej"], "hejsan"),
?TEST(["xh", <<"ejsan">>], ["hej"], "hejsan"),
?TEST(["xh", <<"e">>, "jsan"], ["hej"], "hejsan"),
?TEST(["xh", "e", <<"jsan">>], ["hej"], "hejsan"),
?TEST(["xh", "er", <<"ljsane">>, "rlang"], ["erl", leading], "erljsanerlang"),
?TEST("aΩΩb", ["Ω", leading], "ΩΩb"),
?TEST([<<"aae">>,778,"äöoo"], [[$e,778], leading], [$e,778]++"äöoo"),
?TEST([<<"aae">>,778,"öeeåäö"], ["e", leading], "eeåäö"),
?TEST(["h", "ejsan"], ["", trailing], "hejsan"),
?TEST([], ["", trailing], ""),
?TEST([], ["hej", trailing], nomatch),
?TEST(["h", "ejsan"], ["hej", trailing], "hejsan"),
?TEST(["h", "e", "jsan"], ["hej", trailing], "hejsan"),
?TEST(["xh", "e", "san"], ["hej", trailing], nomatch),
?TEST([<<"xh">>, <<"ejsan">>], ["hej", trailing], "hejsan"),
?TEST(["xh", <<"ejsan">>], ["hej", trailing], "hejsan"),
?TEST(["xh", <<"e">>, "jsan"], ["hej", trailing], "hejsan"),
?TEST(["xh", "e", <<"jsan">>], ["hej", trailing], "hejsan"),
?TEST(["xh", "er", <<"ljsane">>, "rlang"], ["erl", trailing], "erlang"),
?TEST("aΩΩb", ["Ω", trailing], "Ωb"),
?TEST([<<"aae">>,778,"äöoo"], [[$e,778], trailing], [$e,778]++"äöoo"),
?TEST([<<"aeae">>,778,"äö"], ["e", trailing], "eae"++[778,$ä,$ö]),
ok.
lexemes(_) ->
Mod = fun(Res) ->
[unicode:characters_to_nfc_list(io_lib:format("~ts", [Str]))|| Str <- Res]
end,
Res = ["Hej", "san", "Hopp", "san"],
?TEST("", [" ,."], {Mod, []}),
?TEST("Hej san", [""], {Mod, ["Hej san"]}),
?TEST(" ,., ", [" ,."], {Mod, []}),
?TEST( "Hej san Hopp san", [" ,."], {Mod, Res}),
?TEST(" Hej san Hopp san ", [" ,."], {Mod, Res}),
?TEST(" Hej san, .Hopp san ", [" ,."], {Mod, Res}),
?TEST([" Hej san",", .Hopp san "], [" ,."], {Mod, Res}),
?TEST([" Hej sa","n, .Hopp san "], [" ,."], {Mod, Res}),
?TEST([" Hej san,"," .Hopp san "], [" ,."], {Mod, Res}),
?TEST([" Hej san",[", .Hopp san "]], [" ,."], {Mod, Res}),
?TEST([" Hej sa",["n, .Hopp san "]], [" ,."], {Mod, Res}),
?TEST([" Hej san,",[" .Hopp san "]], [" ,."], {Mod, Res}),
?TEST([" H",<<"ej san, .Hopp "/utf8>>, "san"], [" ,."], {Mod, Res}),
?TEST([" Hej san",<<", .Hopp "/utf8>>, "san"], [" ,."], {Mod, Res}),
?TEST([" Hej sa",<<"n, .Hopp"/utf8>>, " san"], [" ,."], {Mod, Res}),
?TEST([" Hej san,",<<" .Hopp s"/utf8>>, "an"], [" ,."], {Mod, Res}),
?TEST([" Hej san",[<<", .Hopp san "/utf8>>]], [" ,."], {Mod, Res}),
?TEST([" Hej sa",[<<"n, .Hopp san "/utf8>>]], [" ,."], {Mod, Res}),
?TEST([" Hej san,",[<<" .Hopp san "/utf8>>], <<" ">>], [" ,."], {Mod, Res}),
?TEST(" Hej\r\nsan\nnl", ["\r\n\s"], {Mod, ["Hej\r\nsan", "nl"]}),
?TEST(["b1ec1e",778,"äöo21"], ["eo"], {Mod, ["b1",[$c,$1,$e,778,$ä,$ö],"21"]}),
?TEST([<<"b1ec1e">>,778,"äöo21"], ["eo"], {Mod, ["b1",[$c,$1,$e,778,$ä,$ö],"21"]}),
%% Grapheme (split) tests
Str10 = [[[<<"÷"/utf8>>,1101],<<"ë"/utf8>>|<<"\"">>]],
?TEST(Str10, [[1076]], {Mod, [unicode:characters_to_nfc_list(Str10)]}),
?TEST("a1Ωb1Ωc1", ["Ω"], {Mod, ["a1","b1","c1"]}),
?TEST([<<"aae">>,778,"äöoo"], [[[$e,778]]], {Mod, ["aa","äöoo"]}),
?TEST([<<"aae">>,778,"äöo21"], [[[$e,778],$o]], {Mod, ["aa","äö","21"]}),
?TEST([<<"aae">>,778,"öeeåäö"], ["e"], {Mod, [[$a, $a, $e,778,$ö],"åäö"]}),
ok.
nth_lexeme(_) ->
{'EXIT', _} = (catch string:nth_lexeme("test test", 0, [])),
{'EXIT', _} = (catch string:nth_lexeme(<<"test test">>, 0, [])),
?TEST( "", [1, " ,."], []),
?TEST( "Hej san", [1, ""], "Hej san"),
?TEST( " ,., ", [1, " ,."], []),
?TEST( " ,., ", [3, " ,."], []),
?TEST("Hej san Hopp san", [1, " ,."], "Hej"),
?TEST("...Hej san Hopp san", [1, " ,."], "Hej"),
?TEST("Hej san Hopp san", [3, " ,."], "Hopp"),
?TEST(" Hej san Hopp san ", [3, " ,."], "Hopp"),
?TEST(" Hej san, .Hopp san ", [3, " ,."], "Hopp"),
?TEST("ab cd", [3, " "], ""),
?TEST([" Hej san",", .Hopp san "], [3, " ,."], "Hopp"),
?TEST([" Hej sa","n, .Hopp san "], [3, " ,."], "Hopp"),
?TEST([" Hej san,"," .Hopp san "], [3, " ,."], "Hopp"),
?TEST([" Hej san",[", .Hopp san "]], [3," ,."], "Hopp"),
?TEST([" Hej sa",["n, .Hopp san "]], [3, " ,."], "Hopp"),
?TEST([" Hej san,",[" .Hopp san "]], [3, " ,."], "Hopp"),
?TEST([" Hej san",<<", .Hopp "/utf8>>, "san"], [3, " ,."], "Hopp"),
?TEST([" Hej sa",<<"n, .Hopp"/utf8>>, " san"], [3, " ,."], "Hopp"),
?TEST([" Hej san,",<<" .Hopp s"/utf8>>, "an"], [3, " ,."], "Hopp"),
?TEST([" Hej san,",<<" .Hopp s"/utf8>>, "an"], [4, " ,."], "san"),
?TEST([" Hej san",[<<", .Hopp san "/utf8>>]], [3, " ,."], "Hopp"),
?TEST([" Hej sa",[<<"n, .Hopp san "/utf8>>]], [3, " ,."], "Hopp"),
?TEST([" Hej san,",[<<" .Hopp san "/utf8>>], <<" ">>], [3, " ,."], "Hopp"),
?TEST(["b1ec1e",778,"äöo21"], [3,"eo"], "21"),
?TEST([<<"b1ec1e">>,778,"äöo21"], [3, "eo"], "21"),
%% Grapheme (split) tests
?TEST("a1Ωb1Ωc1", [1, "Ω"], "a1"),
?TEST([<<"aae">>,778,"äöoo"], [2,[[$e,778]]], "äöoo"),
?TEST([<<"aae">>,778,"äöo21"], [2,[[$e,778],$o]], "äö"),
?TEST([<<"aae">>,778,"öeeåäö"], [2,"e"], "åäö"),
ok.
meas(Config) ->
case ct:get_timetrap_info() of
{_,{_,Scale}} when Scale > 1 ->
{skip,{will_not_run_in_debug,Scale}};
_ -> % No scaling
DataDir = proplists:get_value(data_dir, Config),
TestDir = filename:dirname(string:trim(DataDir, trailing, "/")),
do_measure(TestDir)
end.
do_measure(TestDir) ->
File = filename:join(TestDir, ?MODULE_STRING ++ ".erl"),
io:format("File ~s ",[File]),
{ok, Bin} = file:read_file(File),
io:format("~p~n",[byte_size(Bin)]),
Do = fun(Name, Func, Mode) ->
{N, Mean, Stddev, _} = time_func(Func, Mode, Bin),
io:format("~10w ~6w ~6.2fms ±~4.2fms #~.2w gc included~n",
[Name, Mode, Mean/1000, Stddev/1000, N])
end,
io:format("----------------------~n"),
Do(tokens, fun(Str) -> string:tokens(Str, [$\n,$\r]) end, list),
Tokens = {lexemes, fun(Str) -> string:lexemes(Str, [$\n,$\r]) end},
[Do(Name,Fun,Mode) || {Name,Fun} <- [Tokens], Mode <- [list, binary]],
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% internal functions
test(Line, Func, Str, Args, Res, Norm) ->
%%io:format("~p: ~p ~w ~w~n",[Line, Func, Str, Args]),
test_1(Line, Func, Str, [Str|norm(none,Args)], Res),
%%io:format("~p: ~p bin ",[Line, Func]),
test_1({Line,list}, Func, Str,
[unicode:characters_to_list(Str)|norm(none,Args)], Res),
Norm andalso
test_1({Line,clist}, Func, Str,
[unicode:characters_to_nfc_list(Str)|norm(nfc,Args)], Res),
Norm andalso
test_1({Line,dlist}, Func, Str,
[unicode:characters_to_nfd_list(Str)|norm(nfd,Args)], Res),
test_1({Line,bin}, Func, Str,
[unicode:characters_to_binary(Str)|norm(none, Args)], Res),
Norm andalso
test_1({Line,cbin}, Func, Str,
[unicode:characters_to_nfc_binary(Str)|norm(nfc,Args)], Res),
Norm andalso
test_1({Line,dbin}, Func, Str,
[unicode:characters_to_nfd_binary(Str)|norm(nfd,Args)], Res),
%%io:format("~n",[]),
ok.
test_1(Line, Func, Str, Args, Exp) ->
try
Res = apply(string, Func, Args),
check_types(Line, Func, Args, Res),
case res(Res, Exp) of
true -> ok;
{Res1,Exp1} when is_tuple(Exp1) ->
io:format("~p~n",[Args]),
io:format("~p:~p: ~ts~w =>~n :~w:~w~n",
[Func,Line, Str,Str,Res1,Exp1]),
exit({error, Func});
{Res1,Exp1} ->
io:format("~p:~p: ~ts~w =>~n :~ts~w:~ts~w~n",
[Func,Line, Str,Str, Res1,Res1, Exp1,Exp1]),
exit({error, Func})
end
catch
error:Exp ->
ok;
error:Reason ->
io:format("~p:~p: Crash ~p ~p~n",
[?MODULE,Line, Reason, erlang:get_stacktrace()]),
exit({error, Func})
end.
norm(Type, Args) ->
Norm = case Type of
nfc -> fun unicode:characters_to_nfc_list/1;
nfd -> fun unicode:characters_to_nfd_list/1;
none -> fun(Str) -> Str end
end,
lists:map(fun({norm,Str}) -> Norm(Str);
(Other) -> Other
end, Args).
res(Str, Str) -> true;
res(Str, Exp) when is_list(Str), is_list(Exp) ->
A = unicode:characters_to_nfc_list(Str),
A==Exp orelse {A,Exp};
res(Str, Exp) when is_binary(Str), is_list(Exp) ->
A = unicode:characters_to_nfc_list(Str),
A==Exp orelse {A,Exp};
res(What, {Fun, Exp}) when is_function(Fun) ->
Fun(What) == Exp orelse {Fun(What), Exp};
res({S1,S2}=S, {Exp1,Exp2}=E) -> %% For take
case {res(S1,Exp1), res(S2,Exp2)} of
{true, true} -> true;
_ -> {S, E}
end;
res(Int, Exp) ->
Int == Exp orelse {Int, Exp}.
check_types(_Line, _Func, _Str, Res)
when is_integer(Res); is_boolean(Res); Res =:= nomatch ->
%% length or equal
ok;
check_types(Line, Func, [S1,S2], Res)
when Func =:= concat ->
case check_types_1(type(S1),type(S2)) of
ok ->
case check_types_1(type(S1),type(Res)) of
ok -> ok;
{T1,T2} ->
io:format("Failed: ~p ~p ~p ~p~n",[Line, Func, T1, T2]),
io:format(" ~p ~p => ~p~n", [S1, S2, Res]),
error
end;
_ -> ok
end;
check_types(Line, Func, [Str|_], Res) ->
AddList = fun(mixed) -> mixed;
({list,{list,_}}) -> {list, deep};
(R) ->
case lists:member(Func, [lexemes, tokens, split]) of
true -> {list, R};
false -> R
end
end,
try needs_check(Func) andalso (ok = check_types_1(AddList(type(Str)), type(Res))) of
ok -> ok;
false -> ok
catch _:{badmatch, {T1,T2}} ->
io:format("Failed: ~p ~p: ~p ~p~n",[Line, Func, T1, T2]),
io:format(" ~p => ~p~n", [Str, Res]),
error;
_:Reason ->
io:format("Crash: ~p in~n ~p~n",[Reason, erlang:get_stacktrace()]),
io:format("Failed: ~p ~p: ~p => ~p~n", [Line, Func, Str, Res]),
exit({Reason, erlang:get_stacktrace()})
end.
check_types_1(T, T) ->
ok;
check_types_1(Str, Res)
when is_binary(Str), is_binary(Res) ->
ok;
check_types_1({list, _},{list, undefined}) ->
ok;
check_types_1({list, _},{list, codepoints}) ->
ok;
check_types_1({list, _},{list, {list, codepoints}}) ->
ok;
check_types_1({list, {list, _}},{list, {list, codepoints}}) ->
ok;
check_types_1(mixed,_) ->
ok;
check_types_1({list, binary}, binary) ->
ok;
check_types_1({list, binary}, {other, _, _}) -> %% take
ok;
check_types_1({list, deep}, _) ->
ok;
check_types_1({list, {list, deep}}, _) ->
ok;
check_types_1(T1,T2) ->
{T1,T2}.
type(Bin) when is_binary(Bin) ->
binary;
type([]) ->
{list, undefined};
type(List) when is_list(List) ->
Deep = fun(L) when is_list(L) ->
lists:any(fun(C) -> is_list(C) orelse is_binary(C) end, L);
(_) -> false
end,
case all(fun(C) -> not is_binary(C) end, List) of
true ->
case all(fun(C) -> is_integer(C) end, List) of
true -> {list, codepoints};
false ->
case [deep || L <- List, Deep(L)] of
[] -> {list, {list, codepoints}};
_ -> {list, deep}
end
end;
false ->
case all(fun(C) -> is_binary(C) end, List) of
true -> {list, binary};
false -> mixed
end
end;
type({R1,R2}) ->
case {type(R1),type(R2)} of
{T,T} -> T;
{{list,undefined}, {list,codepoints}} -> {list,codepoints};
{{list,codepoints}, {list,undefined}} -> {list,codepoints};
{T1,T2} -> {other, T1,T2}
end;
type(Other) ->
{other, Other}.
all(_Check, []) ->
true;
all(Check, [H|T]) ->
Check(H) andalso all(Check,T);
all(Check, Bin) when is_binary(Bin) ->
Check(Bin).
needs_check(reverse) -> false;
needs_check(pad) -> false;
needs_check(replace) -> false;
needs_check(_) -> true.
%%%% Timer stuff
time_func(Fun, Mode, Bin) ->
timer:sleep(100), %% Let emulator catch up and clean things before test runs
Self = self(),
Pid = spawn_link(fun() ->
Str = mode(Mode, Bin),
Self ! {self(),time_func(0,0,0, Fun, Str, undefined)}
end),
receive {Pid,Msg} -> Msg end.
time_func(N,Sum,SumSq, Fun, Str, _) when N < 50 ->
{Time, Res} = timer:tc(fun() -> Fun(Str) end),
time_func(N+1,Sum+Time,SumSq+Time*Time, Fun, Str, Res);
time_func(N,Sum,SumSq, _, _, Res) ->
Mean = round(Sum / N),
Stdev = round(math:sqrt((SumSq - (Sum*Sum/N))/(N - 1))),
{N, Mean, Stdev, Res}.
mode(binary, Bin) -> Bin;
mode(list, Bin) -> unicode:characters_to_list(Bin).
%%
%% Old string lists Test cases starts here.
%%
len(Config) when is_list(Config) ->
0 = string:len(""),
L = tuple_size(list_to_tuple(atom_to_list(?MODULE))),
L = string:len(atom_to_list(?MODULE)),
%% invalid arg type
{'EXIT',_} = (catch string:len({})),
ok.
old_equal(Config) when is_list(Config) ->
true = string:equal("", ""),
false = string:equal("", " "),
true = string:equal("laban", "laban"),
false = string:equal("skvimp", "skvump"),
ok.
old_concat(Config) when is_list(Config) ->
"erlang rules" = string:concat("erlang ", "rules"),
"" = string:concat("", ""),
"x" = string:concat("x", ""),
"y" = string:concat("", "y"),
%% invalid arg type
{'EXIT',_} = (catch string:concat(hello, please)),
ok.
chr_rchr(Config) when is_list(Config) ->
{_,_,X} = erlang:timestamp(),
0 = string:chr("", (X rem (255-32)) + 32),
0 = string:rchr("", (X rem (255-32)) + 32),
1 = string:chr("x", $x),
1 = string:rchr("x", $x),
1 = string:chr("xx", $x),
2 = string:rchr("xx", $x),
3 = string:chr("xyzyx", $z),
3 = string:rchr("xyzyx", $z),
%% invalid arg type
{'EXIT',_} = (catch string:chr(hello, $h)),
%% invalid arg type
{'EXIT',_} = (catch string:chr("hello", h)),
%% invalid arg type
{'EXIT',_} = (catch string:rchr(hello, $h)),
%% invalid arg type
{'EXIT',_} = (catch string:rchr("hello", h)),
ok.
str_rstr(Config) when is_list(Config) ->
{_,_,X} = erlang:timestamp(),
0 = string:str("", [(X rem (255-32)) + 32]),
0 = string:rstr("", [(X rem (255-32)) + 32]),
1 = string:str("x", "x"),
1 = string:rstr("x", "x"),
0 = string:str("hello", ""),
0 = string:rstr("hello", ""),
1 = string:str("xxxx", "xx"),
3 = string:rstr("xxxx", "xx"),
3 = string:str("xy z yx", " z"),
3 = string:rstr("xy z yx", " z"),
3 = string:str("aaab", "ab"),
%% invalid arg type
{'EXIT',_} = (catch string:str(hello, "he")),
%% invalid arg type
{'EXIT',_} = (catch string:str("hello", he)),
%% invalid arg type
{'EXIT',_} = (catch string:rstr(hello, "he")),
%% invalid arg type
{'EXIT',_} = (catch string:rstr("hello", he)),
ok.
span_cspan(Config) when is_list(Config) ->
0 = string:span("", "1"),
0 = string:span("1", ""),
0 = string:cspan("", "1"),
1 = string:cspan("1", ""),
1 = string:span("1 ", "1"),
5 = string:span(" 1 ", "12 "),
6 = string:span("1231234", "123"),
0 = string:cspan("1 ", "1"),
1 = string:cspan("3 ", "12 "),
6 = string:cspan("1231234", "4"),
%% invalid arg type
{'EXIT',_} = (catch string:span(1234, "1")),
%% invalid arg type
{'EXIT',_} = (catch string:span(1234, "1")),
%% invalid arg type
{'EXIT',_} = (catch string:cspan("1234", 1)),
%% invalid arg type
{'EXIT',_} = (catch string:cspan("1234", 4)),
ok.
substr(Config) when is_list(Config) ->
{'EXIT',_} = (catch string:substr("", 0)),
[] = string:substr("", 1),
{'EXIT',_} = (catch string:substr("", 2)),
[] = string:substr("1", 2),
{'EXIT',_} = (catch string:substr("", 0, 1)),
[] = string:substr("", 1, 1),
[] = string:substr("", 1, 2),
{'EXIT',_} = (catch string:substr("", 2, 2)),
"1234" = string:substr("1234", 1),
"1234" = string:substr("1234", 1, 4),
"1234" = string:substr("1234", 1, 5),
"23" = string:substr("1234", 2, 2),
"4" = string:substr("1234", 4),
"" = string:substr("1234", 4, 0),
"4" = string:substr("1234", 4, 1),
%% invalid arg type
{'EXIT',_} = (catch string:substr(1234, 1)),
%% invalid arg type
{'EXIT',_} = (catch string:substr("1234", "1")),
ok.
old_tokens(Config) when is_list(Config) ->
[] = string:tokens("",""),
[] = string:tokens("abc","abc"),
["abc"] = string:tokens("abc", ""),
["1","2 34","45","5","6","7"] = do_tokens("1,2 34,45;5,;6;,7", ";,"),
%% invalid arg type
{'EXIT',_} = (catch string:tokens('x,y', ",")),
{'EXIT',_} = (catch string:tokens("x,y", ',')),
ok.
do_tokens(S0, Sep0) ->
[H|T] = Sep0,
S = [replace_sep(C, T, H) || C <- S0],
Sep = [H],
io:format("~p ~p\n", [S0,Sep0]),
io:format("~p ~p\n", [S,Sep]),
Res = string:tokens(S0, Sep0),
Res = string:tokens(Sep0++S0, Sep0),
Res = string:tokens(S0++Sep0, Sep0),
Res = string:tokens(S, Sep),
Res = string:tokens(Sep++S, Sep),
Res = string:tokens(S++Sep, Sep),
Res.
replace_sep(C, Seps, New) ->
case lists:member(C, Seps) of
true -> New;
false -> C
end.
chars(Config) when is_list(Config) ->
[] = string:chars($., 0),
[] = string:chars($., 0, []),
10 = erlang:length(string:chars(32, 10, [])),
"aaargh" = string:chars($a, 3, "rgh"),
%% invalid arg type
{'EXIT',_} = (catch string:chars($x, [])),
ok.
copies(Config) when is_list(Config) ->
"" = string:copies("", 10),
"" = string:copies(".", 0),
"." = string:copies(".", 1),
30 = erlang:length(string:copies("123", 10)),
%% invalid arg type
{'EXIT',_} = (catch string:copies("hej", -1)),
{'EXIT',_} = (catch string:copies("hej", 2.0)),
ok.
words(Config) when is_list(Config) ->
1 = string:words(""),
1 = string:words("", $,),
1 = string:words("hello"),
1 = string:words("hello", $,),
1 = string:words("...", $.),
2 = string:words("2.35", $.),
100 = string:words(string:copies(". ", 100)),
%% invalid arg type
{'EXIT',_} = (catch string:chars(hej, 1)),
%% invalid arg type
{'EXIT',_} = (catch string:chars("hej", 1, " ")),
ok.
strip(Config) when is_list(Config) ->
"" = string:strip(""),
"" = string:strip("", both),
"" = string:strip("", both, $.),
"hej" = string:strip(" hej "),
"hej " = string:strip(" hej ", left),
" hej" = string:strip(" hej ", right),
" hej " = string:strip(" hej ", right, $.),
"hej hopp" = string:strip(" hej hopp ", both),
%% invalid arg type
{'EXIT',_} = (catch string:strip(hej)),
%% invalid arg type
{'EXIT',_} = (catch string:strip(" hej", up)),
%% invalid arg type
{'EXIT',_} = (catch string:strip(" hej", left, " ")), % not good
ok.
sub_word(Config) when is_list(Config) ->
"" = string:sub_word("", 1),
"" = string:sub_word("", 1, $,),
{'EXIT',_} = (catch string:sub_word("1 2 3", 0)),
"" = string:sub_word("1 2 3", 4),
"llo th" = string:sub_word("but hello there", 2, $e),
%% invalid arg type
{'EXIT',_} = (catch string:sub_word('hello there', 1)),
%% invalid arg type
{'EXIT',_} = (catch string:sub_word("hello there", 1, "e")),
ok.
left_right(Config) when is_list(Config) ->
"" = string:left("", 0),
"" = string:left("hej", 0),
"" = string:left("hej", 0, $.),
"" = string:right("", 0),
"" = string:right("hej", 0),
"" = string:right("hej", 0, $.),
"123 " = string:left("123 ", 5),
" 123" = string:right(" 123", 5),
"123!!" = string:left("123!", 5, $!),
"==123" = string:right("=123", 5, $=),
"1" = string:left("123", 1, $.),
"3" = string:right("123", 1, $.),
%% invalid arg type
{'EXIT',_} = (catch string:left(hello, 5)),
%% invalid arg type
{'EXIT',_} = (catch string:right(hello, 5)),
%% invalid arg type
{'EXIT',_} = (catch string:left("hello", 5, ".")),
%% invalid arg type
{'EXIT',_} = (catch string:right("hello", 5, ".")),
ok.
sub_string(Config) when is_list(Config) ->
{'EXIT',_} = (catch string:sub_string("", 0)),
[] = string:sub_string("", 1),
{'EXIT',_} = (catch string:sub_string("", 2)),
[] = string:sub_string("1", 2),
{'EXIT',_} = (catch string:sub_string("", 0, 1)),
[] = string:sub_string("", 1, 1),
[] = string:sub_string("", 1, 2),
{'EXIT',_} = (catch string:sub_string("", 2, 2)),
"1234" = string:sub_string("1234", 1),
"1234" = string:sub_string("1234", 1, 4),
"1234" = string:sub_string("1234", 1, 5),
"23" = string:sub_string("1234", 2, 3),
"4" = string:sub_string("1234", 4),
"4" = string:sub_string("1234", 4, 4),
"4" = string:sub_string("1234", 4, 5),
%% invalid arg type
{'EXIT',_} = (catch string:sub_string(1234, 1)),
%% invalid arg type
{'EXIT',_} = (catch string:sub_string("1234", "1")),
ok.
centre(Config) when is_list(Config) ->
"" = string:centre("", 0),
"" = string:centre("1", 0),
"" = string:centre("", 0, $-),
"" = string:centre("1", 0, $-),
"gd" = string:centre("agda", 2),
"agda " = string:centre("agda", 5),
" agda " = string:centre("agda", 6),
"agda." = string:centre("agda", 5, $.),
"--agda--" = string:centre("agda", 8, $-),
"agda" = string:centre("agda", 4),
%% invalid arg type
{'EXIT',_} = (catch string:centre(hello, 10)),
ok.
to_integer(Config) when is_list(Config) ->
{1,""} = test_to_integer("1"),
{1,""} = test_to_integer("+1"),
{-1,""} = test_to_integer("-1"),
{1,"="} = test_to_integer("1="),
{7,"F"} = test_to_integer("7F"),
{709,""} = test_to_integer("709"),
{709,"*2"} = test_to_integer("709*2"),
{0,"xAB"} = test_to_integer("0xAB"),
{16,"#FF"} = test_to_integer("16#FF"),
{error,no_integer} = test_to_integer(""),
{error,no_integer} = test_to_integer("!1"),
{error,no_integer} = test_to_integer("F1"),
{error,not_a_list} = test_to_integer('23'),
{3,[[]]} = test_to_integer([$3,[]]),
{3,[hello]} = test_to_integer([$3,hello]),
ok.
test_to_integer(Str) ->
%% io:format("Checking ~p~n", [Str]),
case string:to_integer(Str) of
{error,_Reason} = Bad ->
{'EXIT',_} = (catch list_to_integer(Str)),
Bad;
{F,_Rest} = Res ->
_ = integer_to_list(F),
Res
end.
to_float(Config) when is_list(Config) ->
{1.2,""} = test_to_float("1.2"),
{1.2,""} = test_to_float("1,2"),
{120.0,""} = test_to_float("1.2e2"),
{120.0,""} = test_to_float("+1,2e2"),
{-120.0,""} = test_to_float("-1.2e2"),
{-120.0,""} = test_to_float("-1,2e+2"),
{-1.2e-2,""} = test_to_float("-1.2e-2"),
{1.2,"="} = test_to_float("1.2="),
{7.9,"e"} = test_to_float("7.9e"),
{7.9,"ee"} = test_to_float("7.9ee"),
{7.9,"e+"} = test_to_float("7.9e+"),
{7.9,"e-"} = test_to_float("7.9e-"),
{7.9,"e++"} = test_to_float("7.9e++"),
{7.9,"e--"} = test_to_float("7.9e--"),
{7.9,"e+e"} = test_to_float("7.9e+e"),
{7.9,"e-e"} = test_to_float("7.9e-e"),
{7.9,"e+."} = test_to_float("7.9e+."),
{7.9,"e-."} = test_to_float("7.9e-."),
{7.9,"e+,"} = test_to_float("7.9e+,"),
{7.9,"e-,"} = test_to_float("7.9e-,"),
{error,no_float} = test_to_float(""),
{error,no_float} = test_to_float("e1,0"),
{error,no_float} = test_to_float("1;0"),
{error,no_float} = test_to_float("1"),
{error,no_float} = test_to_float("1e"),
{error,no_float} = test_to_float("2."),
{error,not_a_list} = test_to_float('2.3'),
{2.3,[[]]} = test_to_float([$2,$.,$3,[]]),
{2.3,[hello]} = test_to_float([$2,$.,$3,hello]),
ok.
test_to_float(Str) ->
%% io:format("Checking ~p~n", [Str]),
case string:to_float(Str) of
{error,_Reason} = Bad ->
{'EXIT',_} = (catch list_to_float(Str)),
Bad;
{F,_Rest} = Res ->
_ = float_to_list(F),
Res
end.
to_upper_to_lower(Config) when is_list(Config) ->
"1234ABCDEFÅÄÖ=" = string:to_upper("1234abcdefåäö="),
"éèíúùòóåäöabc()" = string:to_lower("ÉÈÍÚÙÒÓÅÄÖabc()"),
All = lists:seq(0, 255),
UC = string:to_upper(All),
256 = erlang:length(UC),
all_upper_latin1(UC, 0),
LC = string:to_lower(All),
all_lower_latin1(LC, 0),
LC = string:to_lower(string:to_upper(LC)),
LC = string:to_lower(string:to_upper(UC)),
UC = string:to_upper(string:to_lower(LC)),
UC = string:to_upper(string:to_lower(UC)),
ok.
all_upper_latin1([C|T], C) when 0 =< C, C < $a;
$z < C, C < 16#E0;
C =:= 16#F7; C =:= 16#FF ->
all_upper_latin1(T, C+1);
all_upper_latin1([H|T], C) when $a =< C, C =< $z;
16#E0 =< C, C =< 16#F6;
16#F8 =< C, C =< 16#FE ->
H = C - 32,
all_upper_latin1(T, C+1);
all_upper_latin1([], 256) -> ok.
all_lower_latin1([C|T], C) when 0 =< C, C < $A;
$Z < C, C < 16#C0;
C =:= 16#D7;
16#DF =< C, C =< 255 ->
all_lower_latin1(T, C+1);
all_lower_latin1([H|T], C) when $A =< C, C =< $Z;
16#C0 =< C, C =< 16#F6;
16#C8 =< C, C =< 16#DE ->
% io:format("~p\n", [{H,C}]),
H = C + 32,
all_lower_latin1(T, C+1);
all_lower_latin1([], 256) -> ok.
join(Config) when is_list(Config) ->
"erlang rules" = string:join(["erlang", "rules"], " "),
"a,-,b,-,c" = string:join(["a", "b", "c"], ",-,"),
"1234" = string:join(["1", "2", "3", "4"], ""),
[] = string:join([], ""), % OTP-7231
%% invalid arg type
{'EXIT',_} = (catch string:join([apa], "")),
ok.
