4 # This file is intentionally encoded in latin-1.
6 # Test uc(), lc(), fc(), ucfirst(), lcfirst(), quotemeta() etc
12 require Config; import Config;
13 skip_all_without_unicode_tables();
14 require './charset_tools.pl';
15 require './loc_tools.pl'; # Contains find_utf8_ctype_locale()
20 plan tests => 139 + 2 * (5 * 256) + 17;
22 is(lc(undef), "", "lc(undef) is ''");
23 is(lcfirst(undef), "", "lcfirst(undef) is ''");
24 is(uc(undef), "", "uc(undef) is ''");
25 is(ucfirst(undef), "", "ucfirst(undef) is ''");
29 is(CORE::fc(undef), "", "fc(undef) is ''");
30 is(CORE::fc(''), "", "fc('') is ''");
34 like($@, qr/Undefined subroutine &main::fc/, "fc() throws an exception,");
40 ok(!$@, "...but works after requesting the feature");
47 is("\Q$a\E." , "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
48 is("\u$a" , "HELLO\.\* world", '\u');
49 is("\l$a" , "hELLO\.\* world", '\l');
50 is("\U$a" , "HELLO\.\* WORLD", '\U');
51 is("\L$a" , "hello\.\* world", '\L');
52 is("\F$a" , "hello\.\* world", '\F');
54 is(quotemeta($a) , "HELLO\\.\\*\\ world", 'quotemeta');
55 is(ucfirst($a) , "HELLO\.\* world", 'ucfirst');
56 is(lcfirst($a) , "hELLO\.\* world", 'lcfirst');
57 is(uc($a) , "HELLO\.\* WORLD", 'uc');
58 is(lc($a) , "hello\.\* world", 'lc');
59 is(fc($a) , "hello\.\* world", 'fc');
61 is("\Q$b\E." , "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
62 is("\u$b" , "Hello\.\* WORLD", '\u');
63 is("\l$b" , "hello\.\* WORLD", '\l');
64 is("\U$b" , "HELLO\.\* WORLD", '\U');
65 is("\L$b" , "hello\.\* world", '\L');
66 is("\F$b" , "hello\.\* world", '\F');
68 is(quotemeta($b) , "hello\\.\\*\\ WORLD", 'quotemeta');
69 is(ucfirst($b) , "Hello\.\* WORLD", 'ucfirst');
70 is(lcfirst($b) , "hello\.\* WORLD", 'lcfirst');
71 is(uc($b) , "HELLO\.\* WORLD", 'uc');
72 is(lc($b) , "hello\.\* world", 'lc');
73 is(fc($b) , "hello\.\* world", 'fc');
75 # \x{100} is LATIN CAPITAL LETTER A WITH MACRON; its bijective lowercase is
76 # \x{101}, LATIN SMALL LETTER A WITH MACRON.
77 # Which is also its foldcase.
79 $a = "\x{100}\x{101}Aa";
80 $b = "\x{101}\x{100}aA";
82 is("\Q$a\E." , "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
83 is("\u$a" , "\x{100}\x{101}Aa", '\u');
84 is("\l$a" , "\x{101}\x{101}Aa", '\l');
85 is("\U$a" , "\x{100}\x{100}AA", '\U');
86 is("\L$a" , "\x{101}\x{101}aa", '\L');
87 is("\F$a" , "\x{101}\x{101}aa", '\F');
89 is(quotemeta($a) , "\x{100}\x{101}Aa", 'quotemeta');
90 is(ucfirst($a) , "\x{100}\x{101}Aa", 'ucfirst');
91 is(lcfirst($a) , "\x{101}\x{101}Aa", 'lcfirst');
92 is(uc($a) , "\x{100}\x{100}AA", 'uc');
93 is(lc($a) , "\x{101}\x{101}aa", 'lc');
94 is(fc($a) , "\x{101}\x{101}aa", 'fc');
96 is("\Q$b\E." , "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
97 is("\u$b" , "\x{100}\x{100}aA", '\u');
98 is("\l$b" , "\x{101}\x{100}aA", '\l');
99 is("\U$b" , "\x{100}\x{100}AA", '\U');
100 is("\L$b" , "\x{101}\x{101}aa", '\L');
101 is("\F$b" , "\x{101}\x{101}aa", '\F');
103 is(quotemeta($b) , "\x{101}\x{100}aA", 'quotemeta');
104 is(ucfirst($b) , "\x{100}\x{100}aA", 'ucfirst');
105 is(lcfirst($b) , "\x{101}\x{100}aA", 'lcfirst');
106 is(uc($b) , "\x{100}\x{100}AA", 'uc');
107 is(lc($b) , "\x{101}\x{101}aa", 'lc');
108 is(fc($b) , "\x{101}\x{101}aa", 'fc');
110 my $sharp_s = uni_to_native("\x{DF}");
111 # \x{DF} is LATIN SMALL LETTER SHARP S, its uppercase is SS or \x{53}\x{53};
112 # \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its uppercase is
113 # \x{2BC}\x{E4} or MODIFIER LETTER APOSTROPHE and N.
115 is("\U${sharp_s}aB\x{149}cD", "SSAB\x{2BC}NCD", "multicharacter uppercase");
117 # The \x{DF} is its own lowercase, ditto for \x{149}.
118 # There are no single character -> multiple characters lowercase mappings.
120 is("\L${sharp_s}aB\x{149}cD", "${sharp_s}ab\x{149}cd",
121 "multicharacter lowercase");
123 # \x{DF} is LATIN SMALL LETTER SHARP S, its foldcase is ss or \x{73}\x{73};
124 # \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its foldcase is
125 # \x{2BC}\x{6E} or MODIFIER LETTER APOSTROPHE and n.
126 # Note that is this further tested in t/uni/fold.t
128 is("\F${sharp_s}aB\x{149}cD", "ssab\x{2BC}ncd", "multicharacter foldcase");
131 # titlecase is used for \u / ucfirst.
133 # \x{587} is ARMENIAN SMALL LIGATURE ECH YIWN and its titlecase is
134 # \x{535}\x{582} ARMENIAN CAPITAL LETTER ECH + ARMENIAN SMALL LETTER YIWN
135 # while its lowercase is
137 # and its uppercase is
138 # \x{535}\x{552} ARMENIAN CAPITAL LETTER ECH + ARMENIAN CAPITAL LETTER YIWN
139 # The foldcase is \x{565}\x{582} ARMENIAN SMALL LETTER ECH + ARMENIAN SMALL LETTER YIWN
143 is("\L\x{587}" , "\x{587}", "ligature lowercase");
144 is("\u\x{587}" , "\x{535}\x{582}", "ligature titlecase");
145 is("\U\x{587}" , "\x{535}\x{552}", "ligature uppercase");
146 is("\F\x{587}" , "\x{565}\x{582}", "ligature foldcase");
148 # mktables had problems where many-to-one case mappings didn't work right.
149 # The lib/uni/fold.t should give the fourth folding, "casefolding", a good
151 # \x{01C4} is LATIN CAPITAL LETTER DZ WITH CARON
152 # \x{01C5} is LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
153 # \x{01C6} is LATIN SMALL LETTER DZ WITH CARON
154 # \x{03A3} is GREEK CAPITAL LETTER SIGMA
155 # \x{03C2} is GREEK SMALL LETTER FINAL SIGMA
156 # \x{03C3} is GREEK SMALL LETTER SIGMA
158 is(lc("\x{1C4}") , "\x{1C6}", "U+01C4 lc is U+01C6");
159 is(lc("\x{1C5}") , "\x{1C6}", "U+01C5 lc is U+01C6, too");
161 is(ucfirst("\x{3C2}") , "\x{3A3}", "U+03C2 ucfirst is U+03A3");
162 is(ucfirst("\x{3C3}") , "\x{3A3}", "U+03C3 ucfirst is U+03A3, too");
164 is(uc("\x{1C5}") , "\x{1C4}", "U+01C5 uc is U+01C4");
165 is(uc("\x{1C6}") , "\x{1C4}", "U+01C6 uc is U+01C4, too");
167 # #18107: A host of bugs involving [ul]c{,first}. AMS 20021106
168 my $a = "\x{3c3}foo.bar"; # \x{3c3} == GREEK SMALL LETTER SIGMA.
169 my $b = "\x{3a3}FOO.BAR"; # \x{3a3} == GREEK CAPITAL LETTER SIGMA.
172 ($c = $b) =~ s/(\w+)/lc($1)/ge;
173 is($c , $a, "Using s///e to change case.");
175 ($c = $a) =~ s/(\p{IsWord}+)/uc($1)/ge;
176 is($c , $b, "Using s///e to change case.");
178 ($c = $a) =~ s/(\p{IsWord}+)/fc($1)/ge;
179 is($c , $a, "Using s///e to foldcase.");
181 ($c = $b) =~ s/(\p{IsWord}+)/lcfirst($1)/ge;
182 is($c , "\x{3c3}FOO.bAR", "Using s///e to change case.");
184 ($c = $a) =~ s/(\p{IsWord}+)/ucfirst($1)/ge;
185 is($c , "\x{3a3}foo.Bar", "Using s///e to change case.");
187 # #18931: perl5.8.0 bug in \U..\E processing
188 # Test case from Nicholas Clark.
194 is(uc($1), "ABCDEFGH", "[perl #18931]");
201 $a =~ s/^(\s*)(\w*)/$1\u$2/;
202 is($a, v10, "[perl #18857]");
207 # [perl #38619] Bug in lc and uc (interaction between UTF-8, substr, and lc/uc)
209 for ("a\x{100}", "xyz\x{100}") {
210 is(substr(uc($_), 0), uc($_), "[perl #38619] uc");
212 for ("A\x{100}", "XYZ\x{100}") {
213 is(substr(lc($_), 0), lc($_), "[perl #38619] lc");
215 for ("a\x{100}", "ßyz\x{100}") { # ß to Ss (different length)
216 is(substr(ucfirst($_), 0), ucfirst($_), "[perl #38619] ucfirst");
219 #fc() didn't exist back then, but coverage is coverage.
220 for ("a\x{100}", "ßyz\x{100}", "xyz\x{100}", "XYZ\x{100}") { # ß to Ss (different length)
221 is(substr(fc($_), 0), fc($_), "[perl #38619] fc");
224 # Related to [perl #38619]
225 # the original report concerns PERL_MAGIC_utf8.
226 # these cases concern PERL_MAGIC_regex_global.
228 for (map { $_ } "a\x{100}", "abc\x{100}", "\x{100}") {
229 chop; # get ("a", "abc", "") in utf8
230 my $return = uc($_) =~ /\G(.?)/g;
231 my $result = $return ? $1 : "not";
232 my $expect = (uc($_) =~ /(.?)/g)[0];
233 is($return, 1, "[perl #38619]");
234 is($result, $expect, "[perl #38619]");
237 for (map { $_ } "A\x{100}", "ABC\x{100}", "\x{100}") {
238 chop; # get ("A", "ABC", "") in utf8
239 my $return = lc($_) =~ /\G(.?)/g;
240 my $result = $return ? $1 : "not";
241 my $expect = (lc($_) =~ /(.?)/g)[0];
242 is($return, 1, "[perl #38619]");
243 is($result, $expect, "[perl #38619]");
246 for (map { $_ } "A\x{100}", "ABC\x{100}", "\x{100}") {
247 chop; # get ("A", "ABC", "") in utf8
248 my $return = fc($_) =~ /\G(.?)/g;
249 my $result = $return ? $1 : "not";
250 my $expect = (fc($_) =~ /(.?)/g)[0];
251 is($return, 1, "[perl #38619]");
252 is($result, $expect, "[perl #38619]");
255 for (1, 4, 9, 16, 25) {
256 is(uc "\x{03B0}" x $_, "\x{3a5}\x{308}\x{301}" x $_,
257 'uc U+03B0 grows threefold');
259 is(lc "\x{0130}" x $_, "i\x{307}" x $_, 'lc U+0130 grows');
261 is(fc "\x{03B0}" x $_, "\x{3C5}\x{308}\x{301}" x $_,
262 'fc U+03B0 grows threefold');
269 is($_, "HellO", '[perl #43207] lc($_) modifying $_');
273 is($_, "HellO", '[perl #43207] fc($_) modifying $_');
277 is($_, "HellO", '[perl #43207] uc($_) modifying $_');
281 is($_, "HellO", '[perl #43207] ucfirst($_) modifying $_');
285 is($_, "HellO", '[perl #43207] lcfirst($_) modifying $_');
288 # new in Unicode 5.1.0
289 is(lc("\x{1E9E}"), uni_to_native("\x{df}"), "lc(LATIN CAPITAL LETTER SHARP S)");
292 use feature 'unicode_strings';
294 is(lc(uni_to_native("\xc0")), uni_to_native("\xc0"), "lc of above-ASCII Latin1 is itself under use bytes");
295 is(lcfirst(uni_to_native("\xc0")), uni_to_native("\xc0"), "lcfirst of above-ASCII Latin1 is itself under use bytes");
296 is(uc(uni_to_native("\xe0")), uni_to_native("\xe0"), "uc of above-ASCII Latin1 is itself under use bytes");
297 is(ucfirst(uni_to_native("\xe0")), uni_to_native("\xe0"), "ucfirst of above-ASCII Latin1 is itself under use bytes");
300 # Brought up in ticket #117855: Constant folding applied to uc() should use
301 # the right set of hints.
302 fresh_perl_like(<<'constantfolding', qr/^(\d+),\1\z/, {},
306 use feature 'unicode_strings';
307 print ord uc($char), ",",
308 ord eval "$function('$char')", "\n";
311 'folded uc() in string eval uses the right hints');
313 # In-place lc/uc should not corrupt string buffers when given a non-utf8-
314 # flagged thingy that stringifies to utf8
316 $h{k} = bless[], "\x{3b0}\x{3b0}\x{3b0}bcde"; # U+03B0 grows with uc()
317 # using delete marks it as TEMP, so uc-in-place is permitted
318 like uc delete $h{k}, qr "^(?:\x{3a5}\x{308}\x{301}){3}BCDE=ARRAY\(.*\)",
319 'uc(TEMP ref) does not produce a corrupt string';
320 $h{k} = bless[], "\x{130}bcde"; # U+0130 grows with lc()
321 # using delete marks it as TEMP, so uc-in-place is permitted
322 like lc delete $h{k}, qr "^i\x{307}bcde=array\(.*\)",
323 'lc(TEMP ref) does not produce a corrupt string';
325 # List::Util::first() etc sets $_ to an SvTEMP without raising its
326 # refcount. This was causing lc() etc to unsafely modify in-place.
327 # see http://nntp.perl.org/group/perl.perl5.porters/228213
330 skip "no List::Util on miniperl", 5, if is_miniperl;
332 my %hl = qw(a 1 b 2 c 3);
333 my %hu = qw(A 1 B 2 C 3);
335 $x = List::Util::first(sub { uc $_ eq 'A' }, keys %hl);
336 is($x, "a", "first { uc }");
337 $x = List::Util::first(sub { ucfirst $_ eq 'A' }, keys %hl);
338 is($x, "a", "first { ucfirst }");
339 $x = List::Util::first(sub { lc $_ eq 'a' }, keys %hu);
340 is($x, "A", "first { lc }");
341 $x = List::Util::first(sub { lcfirst $_ eq 'a' }, keys %hu);
342 is($x, "A", "first { lcfirst }");
343 $x = List::Util::first(sub { fc $_ eq 'a' }, keys %hu);
344 is($x, "A", "first { fc }");
347 my $non_turkic_locale = find_utf8_ctype_locale();
348 my $turkic_locale = find_utf8_turkic_locale();
350 foreach my $turkic (0 .. 1) {
351 my $type = ($turkic) ? "turkic" : "non-turkic";
352 my $locale = ($turkic) ? $turkic_locale : $non_turkic_locale;
355 skip "Can't find a $type UTF-8 locale", 5*256 unless defined $locale;
357 use feature qw( unicode_strings );
367 # Get all the values outside of 'locale'
368 for my $i (0 .. 255) {
369 push @unicode_lc, lc(chr $i);
370 push @unicode_fc, fc(chr $i);
371 push @unicode_uc, uc(chr $i);
372 push @unicode_lcfirst, lcfirst(chr $i);
373 push @unicode_ucfirst, ucfirst(chr $i);
377 $unicode_lc[ord 'I'] = chr 0x131;
378 $unicode_fc[ord 'I'] = chr 0x131;
379 $unicode_lcfirst[ord 'I'] = chr 0x131;
380 $unicode_uc[ord 'i'] = chr 0x130;
381 $unicode_ucfirst[ord 'i'] = chr 0x130;
385 setlocale(&POSIX::LC_CTYPE, $locale);
387 for my $i (0 .. 255) {
388 is(lc(chr $i), $unicode_lc[$i], "In a $type UTF-8 locale, lc(chr $i) is the same as official Unicode");
389 is(uc(chr $i), $unicode_uc[$i], "In a $type UTF-8 locale, uc(chr $i) is the same as official Unicode");
390 is(fc(chr $i), $unicode_fc[$i], "In a $type UTF-8 locale, fc(chr $i) is the same as official Unicode");
391 is(lcfirst(chr $i), $unicode_lcfirst[$i], "In a $type UTF-8 locale, lcfirst(chr $i) is the same as official Unicode");
392 is(ucfirst(chr $i), $unicode_ucfirst[$i], "In a $type UTF-8 locale, ucfirst(chr $i) is the same as official Unicode");
398 skip "Can't find a turkic UTF-8 locale", 17 unless defined $turkic_locale;
400 # These are designed to stress the calculation of space needed for the
401 # strings. $filler contains a variety of characters that have special
402 # handling in the casing functions, and some regular chars as well.
404 my $filler_length = 10000;
405 my $filler = uni_to_native("\x{df}\x{49}\x{69}\x{b5}\x{e0}\x{c1}\x{b6}\x{ff}") x $filler_length;
407 # These are the correct answers to what should happen when the given
408 # casing function is called on $filler;
409 my $filler_lc = uni_to_native("\x{df}\x{131}\x{69}\x{b5}\x{e0}\x{e1}\x{b6}\x{ff}") x $filler_length;
410 my $filler_fc = ("ss" . uni_to_native("\x{131}\x{69}\x{3bc}\x{e0}\x{e1}\x{b6}\x{ff}")) x $filler_length;
411 my $filler_uc = ("SS" . uni_to_native("\x{49}\x{130}\x{39c}\x{c0}\x{c1}\x{b6}\x{178}")) x $filler_length;
414 setlocale(&POSIX::LC_CTYPE, $turkic_locale);
416 is (lc "IIIIIII$filler", "\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}$filler_lc",
417 "lc non-UTF-8, in Turkic locale, beginning with a bunch of I's");
418 is (fc "IIIIIII$filler", "\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}$filler_fc",
419 "fc non-UTF-8, in Turkic locale, beginning with a bunch of I's");
420 is (lc "${filler}IIIIIII$filler", "$filler_lc\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}$filler_lc",
421 "lc non-UTF-8, in Turkic locale, a bunch of I's, but not at the beginning");
422 is (fc "${filler}IIIIIII$filler", "$filler_fc\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}$filler_fc",
423 "fc non-UTF-8, in Turkic locale, a bunch of I's, but not at the beginning");
424 is (lc "${filler}I\x{307}$filler", "${filler_lc}i$filler_lc",
425 "lc in Turkic locale with DOT ABOVE immediately following I");
426 is (lc "${filler}I\x{307}IIIIII$filler", "${filler_lc}i\x{131}\x{131}\x{131}\x{131}\x{131}\x{131}$filler_lc",
427 "lc in Turkic locale with DOT ABOVE immediately following I, then other I's ");
428 is (lc "${filler}I\x{316}\x{307}$filler", "${filler_lc}i\x{316}$filler_lc",
429 "lc in Turkic locale with DOT ABOVE after non-ABOVE");
430 is (lc "${filler}I\x{307}\x{300}$filler", "${filler_lc}i\x{300}$filler_lc",
431 "lc in Turkic locale with DOT ABOVE followed by ABOVE");
432 is (lc "${filler}I\x{300}\x{307}$filler", "$filler_lc\x{131}\x{300}\x{307}$filler_lc",
433 "lc in Turkic locale with other ABOVE before DOT ABOVE");
434 is (lcfirst "IIIIIII$filler", "\x{131}IIIIII$filler",
435 "lcfirst in Turkic locale, only first I changed");
436 is (lcfirst "I\x{307}$filler", "i$filler",
437 "lcfirst in Turkic locale with DOT ABOVE immediately following I");
438 is (lcfirst "I\x{307}IIIIII$filler", "iIIIIII$filler",
439 "lcfirst in Turkic locale with DOT ABOVE immediately following I, then"
441 is (lcfirst "I\x{316}\x{307}IIIIII$filler", "i\x{316}IIIIII$filler",
442 "lcfirst in Turkic locale with DOT ABOVE after non-ABOVE");
443 is (lcfirst "I\x{307}\x{300}IIIIII$filler", "i\x{300}IIIIII$filler",
444 "lcfirst in Turkic locale with DOT ABOVE followed by ABOVE");
445 is (lcfirst "I\x{300}\x{307}IIIIII$filler", "\x{131}\x{300}\x{307}IIIIII$filler",
446 "lcfirst in Turkic locale with other ABOVE before DOT ABOVE");
447 is (uc "${filler}i$filler", "$filler_uc\x{130}$filler_uc", "long string uc in Turkic locale");
448 is (ucfirst "ii$filler", "\x{130}i$filler", "long string ucfirst in Turkic locale; only first char changes");