4 # re/fold_grind.t has more complex tests, but doesn't test every fold
5 # This file also tests the fc() keyword.
11 skip_all_without_unicode_tables();
12 skip_all_if_miniperl("miniperl, no Unicode::Normalize");
13 require Config; import Config;
14 require './charset_tools.pl';
15 require './loc_tools.pl'; # Contains find_utf8_ctype_locale()
18 use feature 'unicode_strings';
19 use Unicode::UCD qw(all_casefolds);
21 binmode *STDOUT, ":utf8";
27 # Read in the official case folding definitions.
28 my $casefolds = all_casefolds();
36 foreach my $decimal_code_point (sort { $a <=> $b } keys %$casefolds) {
37 # We only use simple folds in fc(), since the regex engine uses full case
40 my $name = charnames::viacode($decimal_code_point);
41 my $type = $casefolds->{$decimal_code_point}{'status'};
42 my $code = $casefolds->{$decimal_code_point}{'code'};
43 my $simple = $casefolds->{$decimal_code_point}{'simple'};
44 my $full = $casefolds->{$decimal_code_point}{'full'};
46 if ($simple && $simple ne $full) { # If there is a distinction
47 push @simple_folds, [ $code, $simple, $type, $name ];
50 push @CF, [ $code, $full, $type, $name ];
52 # Get the inverse fold for single-char mappings.
53 $reverse_fold{pack "W*", hex $simple} = pack "W*", $decimal_code_point if $simple;
56 foreach my $test_ref ( @simple_folds ) {
58 my ($code, $mapping, $type, $name) = @$test_ref;
59 my $c = pack("W*", hex $code);
61 my $f = pack("W*", map { hex } split " ", $mapping);
63 my $against = join "", "qq{", map("\\x{$_}", split " ", $mapping), "}";
65 isnt(fc($c), $f, "$code - $name - $mapping - $type - Full casefolding, fc(\\x{$code}) ne $against");
66 isnt("\F$c", $f, "$code - $name - $mapping - $type - Full casefolding, qq{\\F\\x{$code}} ne $against");
70 foreach my $test_ref (@CF) {
71 my ($code, $mapping, $type, $name) = @$test_ref;
72 my $c = pack("W*", hex $code);
74 my $f = pack("W*", map { hex } split " ", $mapping);
75 my $f_length = length $f;
78 qq[":$c:" =~ /:$c:/i],
79 qq[":$c:" =~ /:[_$c]:/], # Place two chars in [] so doesn't get
80 # optimized to a non-charclass
81 qq[":$c:" =~ /:[_$c]:/i],
82 qq[":$c:" =~ /:$f:/i],
83 qq[":$f:" =~ /:$c:/i],
85 ok eval $test, "$code - $name - $mapping - $type - $test";
90 my $against = join "", "qq{", map("\\x{$_}", split " ", $mapping), "}";
92 "$code - $name - $mapping - $type - fc(\\x{$code}) eq $against");
93 is("\F$c", $f, "$code - $name - $mapping - $type - qq{\\F\\x{$code}} eq $against");
95 # And here we test bytes. For [A-Za-z0-9], the fold is the same as lc under
96 # bytes. For everything else, it's the bytes that formed the original string.
97 if ( $c =~ /[A-Za-z0-9]/ ) {
99 is(CORE::fc($c), lc($c), "$code - $name - fc and use bytes, ascii");
103 is($copy, do { use bytes; CORE::fc($c) }, "$code - $name - fc and use bytes");
106 # Certain tests weren't convenient to put in the list above since they are
107 # TODO's in multi-character folds.
108 if ($f_length == 1) {
110 # The qq loses the utf8ness of ":$f:". These tests are not about
111 # finding bugs in utf8ness, so make sure it's utf8.
112 my $test = qq[my \$s = ":$f:"; utf8::upgrade(\$s); \$s =~ /:[_$c]:/i];
113 ok eval $test, "$code - $name - $mapping - $type - $test";
114 $test = qq[":$c:" =~ /:[_$f]:/i];
115 ok eval $test, "$code - $name - $mapping - $type - $test";
119 # There are two classes of multi-char folds that need more work. For
121 # ":ß:" =~ /:[_s]{2}:/i
122 # ":ss:" =~ /:[_ß]:/i
124 # Some of the old tests for the second case happened to pass somewhat
125 # coincidentally. But none would pass if changed to this.
126 # ":SS:" =~ /:[_ß]:/i
128 # As the capital SS doesn't get folded. When those pass, it means
129 # that the code has been changed to take into account folding in the
130 # string, and all should pass, capitalized or not (this wouldn't be
131 # true for [^complemented character classes], for which the fold case
132 # is better, but these aren't used in this .t currently. So, what is
133 # done is to essentially upper-case the string for this class (but use
134 # the reverse fold not uc(), as that is more correct)
136 for my $i (0 .. $f_length - 1) {
137 my $cur_char = substr($f, $i, 1);
138 $u .= $reverse_fold{$cur_char} || $cur_char;
142 # A multi-char fold should not match just one char;
143 # e.g., ":ß:" !~ /:[_s]:/i
144 $test = qq[":$c:" !~ /:[_$f]:/i];
145 ok eval $test, "$code - $name - $mapping - $type - $test";
147 TODO: { # e.g., ":ß:" =~ /:[_s]{2}:/i
148 local $TODO = 'Multi-char fold in [character class]';
150 $test = qq[":$c:" =~ /:[_$f]{$f_length}:/i];
151 ok eval $test, "$code - $name - $mapping - $type - $test";
154 # e.g., ":SS:" =~ /:[_ß]:/i now pass, so TODO has been removed, but
155 # since they use '$u', they are left out of the main loop
156 $test = qq[ my \$s = ":$u:"; utf8::upgrade(\$s); \$s =~ /:[_$c]:/i];
157 ok eval $test, "$code - $name - $mapping - $type - $test";
159 my $bracketed_f = ($f =~ s/(.)/[$1]/gr);
160 $test = qq[":$c:" =~ /:$bracketed_f:/iu];
161 ok eval $test, "$code - $name - $mapping - $type - $test";
163 my @f_chars = ($f =~ / (.) (.) (.?) /x);
164 my $every_other_bracketed_f = "[$f_chars[0]]$f_chars[1]";
165 $every_other_bracketed_f .= "[$f_chars[2]]" if $f_chars[2];
166 $test = qq[":$c:" =~ /:$every_other_bracketed_f:/iu];
167 ok eval $test, "$code - $name - $mapping - $type - $test";
169 my $other_every_bracketed_f = "$f_chars[0]";
170 $other_every_bracketed_f .= "[$f_chars[1]]";
171 $other_every_bracketed_f .= "$f_chars[2]" if $f_chars[2];
172 $test = qq[":$c:" =~ /:$other_every_bracketed_f:/iu];
173 ok eval $test, "$code - $name - $mapping - $type - $test";
180 # These three come from the ICU project's test suite, more especifically
181 # http://icu.sourcearchive.com/documentation/4.4~rc1-1/strcase_8cpp-source.html
183 my $s = "A\N{U+00df}\N{U+00b5}\N{U+fb03}\N{U+1040C}\N{U+0130}\N{U+0131}";
184 #\N{LATIN CAPITAL LETTER A}\N{LATIN SMALL LETTER SHARP S}\N{MICRO SIGN}\N{LATIN SMALL LIGATURE FFI}\N{DESERET CAPITAL LETTER AY}\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}\N{LATIN SMALL LETTER DOTLESS I}
186 my $f = "ass\N{U+03bc}ffi\N{U+10434}i\N{U+0307}\N{U+0131}";
187 #\N{LATIN SMALL LETTER A}\N{LATIN SMALL LETTER S}\N{LATIN SMALL LETTER S}\N{GREEK SMALL LETTER MU}\N{LATIN SMALL LETTER F}\N{LATIN SMALL LETTER F}\N{LATIN SMALL LETTER I}\N{DESERET SMALL LETTER AY}\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}\N{LATIN SMALL LETTER DOTLESS I}
189 is(fc($s), $f, "ICU's casefold test passes");
190 is("\F$s", $f, "ICU's casefold test passes");
192 is( fc("aBİIıϐßffi"), "abi̇iıβssffi" );
193 is( "\FaBİIıϐßffi", "abi̇iıβssffi" );
195 # local $::TODO = "turkic special cases";
196 # is( fc "aBİIıϐßffi", "abiııβssffi" );
199 # The next batch come from http://www.devdaily.com/java/jwarehouse/lucene/contrib/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilter.java.shtml
200 # Except the article got most casings wrong. Or maybe Lucene does.
202 is( fc("This is a test"), "this is a test" );
203 is( fc("Ruß"), "russ" );
204 is( fc("ΜΆΪΟΣ"), "μάϊοσ" );
205 is( fc("Μάϊος"), "μάϊοσ" );
207 is( fc("r" . uni_to_native("\xe9") . "sum" . uni_to_native("\xe9")),
208 "r" . uni_to_native("\xe9") . "sum" . uni_to_native("\xe9") );
209 is( fc("re\x{0301}sume\x{0301}"), "re\x{301}sume\x{301}" );
210 is( fc("ELİF"), "eli\x{307}f" );
211 is( fc("eli\x{307}f"), "eli\x{307}f");
213 # This batch comes from
214 # http://www.java2s.com/Open-Source/Java-Document/Internationalization-Localization/icu4j/com/ibm/icu/dev/test/lang/UCharacterCaseTest.java.htm
215 # Which uses ICU as the backend.
217 my @folding_mixed = (
218 uni_to_native("\x{61}\x{42}\x{130}\x{49}\x{131}\x{3d0}\x{df}\x{fb03}"),
219 "A" . uni_to_native("\x{df}\x{b5}\x{fb03}\x{1040C}\x{130}\x{131}"),
222 my @folding_default = (
223 uni_to_native("\x{61}\x{62}\x{69}\x{307}\x{69}\x{131}\x{3b2}\x{73}\x{73}\x{66}\x{66}\x{69}"),
224 "ass\x{3bc}ffi\x{10434}i\x{307}\x{131}"
227 my @folding_exclude_turkic = (
228 uni_to_native("\x{61}\x{62}\x{69}\x{131}\x{131}\x{3b2}\x{73}\x{73}\x{66}\x{66}\x{69}"),
229 "ass\x{3bc}ffi\x{10434}i\x{131}",
232 is( fc($folding_mixed[1]), $folding_default[1] );
234 is( fc($folding_mixed[0]), $folding_default[0] );
240 # Table stolen from tchrist's mail in
241 # http://bugs.python.org/file23051/casing-tests.py
242 # and http://98.245.80.27/tcpc/OSCON2011/case-test.python3
243 # For reference, it's a longer version of what he posted here:
244 # http://stackoverflow.com/questions/6991038/case-insensitive-storage-and-unicode-compatibility
246 #Couple of repeats because I'm lazy, not tchrist's fault.
248 #This should probably go in t/op/lc.t
251 # ORIG LC_SIMPLE TC_SIMPLE UC_SIMPLE LC_FULL TC_FULL UC_FULL FC_SIMPLE FC_TURKIC FC_FULL
252 [ 'þǽr rihtes', 'þǽr rihtes', 'Þǽr Rihtes', 'ÞǼR RIHTES', 'þǽr rihtes', 'Þǽr Rihtes', 'ÞǼR RIHTES', 'þǽr rihtes', 'þǽr rihtes', 'þǽr rihtes', ],
253 [ 'duȝeðlice', 'duȝeðlice', 'Duȝeðlice', 'DUȜEÐLICE', 'duȝeðlice', 'Duȝeðlice', 'DUȜEÐLICE', 'duȝeðlice', 'duȝeðlice', 'duȝeðlice', ],
254 [ 'Ævar Arnfjörð Bjarmason', 'ævar arnfjörð bjarmason', 'Ævar Arnfjörð Bjarmason', 'ÆVAR ARNFJÖRÐ BJARMASON', 'ævar arnfjörð bjarmason', 'Ævar Arnfjörð Bjarmason', 'ÆVAR ARNFJÖRÐ BJARMASON', 'ævar arnfjörð bjarmason', 'ævar arnfjörð bjarmason', 'ævar arnfjörð bjarmason', ],
255 [ 'Кириллица', 'кириллица', 'Кириллица', 'КИРИЛЛИЦА', 'кириллица', 'Кириллица', 'КИРИЛЛИЦА', 'кириллица', 'кириллица', 'кириллица', ],
256 [ 'ij', 'ij', 'IJ', 'IJ', 'ij', 'IJ', 'IJ', 'ij', 'ij', 'ij', ],
257 [ 'Van Dijke', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'van dijke', 'van dijke', ],
258 [ 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'van dijke', 'van dijke', ],
259 [ 'efficient', 'efficient', 'Efficient', 'EffiCIENT', 'efficient', 'Efficient', 'EFFICIENT', 'efficient', 'efficient', 'efficient', ],
260 [ 'flour', 'flour', 'flour', 'flOUR', 'flour', 'Flour', 'FLOUR', 'flour', 'flour', 'flour', ],
261 [ 'flour and water', 'flour and water', 'flour And Water', 'flOUR AND WATER', 'flour and water', 'Flour And Water', 'FLOUR AND WATER', 'flour and water', 'flour and water', 'flour and water', ],
262 [ 'dzur', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
263 [ 'Dzur', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
264 [ 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
265 [ 'dzur mountain', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountain', 'dzur mountain', ],
266 [ 'Dzur Mountain', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountain', 'dzur mountain', ],
267 [ 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountaın', 'dzur mountain', ],
268 [ 'poſt', 'poſt', 'Poſt', 'POST', 'poſt', 'Poſt', 'POST', 'post', 'post', 'post', ],
269 [ 'poſt', 'poſt', 'Poſt', 'POſt', 'poſt', 'Poſt', 'POST', 'poſt', 'post', 'post', ],
270 [ 'ſtop', 'ſtop', 'ſtop', 'ſtOP', 'ſtop', 'Stop', 'STOP', 'ſtop', 'stop', 'stop', ],
271 [ 'tschüß', 'tschüß', 'Tschüß', 'TSCHÜß', 'tschüß', 'Tschüß', 'TSCHÜSS', 'tschüß', 'tschüss', 'tschüss', ],
272 [ 'TSCHÜẞ', 'tschüß', 'Tschüß', 'TSCHÜẞ', 'tschüß', 'Tschüß', 'TSCHÜẞ', 'tschüß', 'tschüss', 'tschüss', ],
273 [ 'weiß', 'weiß', 'Weiß', 'WEIß', 'weiß', 'Weiß', 'WEISS', 'weiß', 'weiss', 'weiss', ],
274 [ 'WEIẞ', 'weiß', 'Weiß', 'WEIẞ', 'weiß', 'Weiß', 'WEIẞ', 'weiß', 'weıss', 'weiss', ],
275 [ 'ẞIEW', 'ßiew', 'ẞiew', 'ẞIEW', 'ßiew', 'ẞiew', 'ẞIEW', 'ßiew', 'ssıew', 'ssiew', ],
276 [ 'ᾲ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
277 [ 'Ὰι', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
278 [ 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
279 [ 'ᾲ', 'ᾲ', 'ᾲ', 'ᾲ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'ὰι', 'ὰι', ],
280 [ 'Ὰͅ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
281 [ 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
282 [ 'ᾲ στο διάολο', 'ᾲ στο διάολο', 'ᾲ Στο Διάολο', 'ᾲ ΣΤΟ ΔΙΆΟΛΟ', 'ᾲ στο διάολο', 'Ὰͅ Στο Διάολο', 'ᾺΙ ΣΤΟ ΔΙΆΟΛΟ', 'ᾲ στο διάολο', 'ὰι στο διάολο', 'ὰι στο διάολο', ],
283 [ 'ᾲ στο διάολο', 'ᾲ στο διάολο', 'Ὰͅ Στο Διάολο', 'ᾺΙ ΣΤΟ ΔΙΆΟΛΟ', 'ᾲ στο διάολο', 'Ὰͅ Στο Διάολο', 'ᾺΙ ΣΤΟ ΔΙΆΟΛΟ', 'ὰι στο διάολο', 'ὰι στο διάολο', 'ὰι στο διάολο', ],
284 [ '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
285 [ '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
286 [ '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
287 [ 'henry ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
288 [ 'Henry Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
289 [ 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
290 [ 'i work at ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'i work at ⓚ', 'i work at ⓚ', ],
291 [ 'I Work At Ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'ı work at ⓚ', 'i work at ⓚ', ],
292 [ 'I WORK AT Ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'I Work At Ⓚ', 'I WORK AT Ⓚ', 'i work at ⓚ', 'ı work at ⓚ', 'i work at ⓚ', ],
293 [ 'istambul', 'istambul', 'Istambul', 'ISTAMBUL', 'istambul', 'Istambul', 'ISTAMBUL', 'istambul', 'istambul', 'istambul', ],
294 [ 'i̇stanbul', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'i̇stanbul', 'i̇stanbul', ],
295 [ 'İstanbul', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'ı̇stanbul', 'i̇stanbul', ],
296 [ 'İSTANBUL', 'istanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'İstanbul', 'istanbul', 'i̇stanbul', ],
297 [ 'στιγμας', 'στιγμας', 'Στιγμας', 'ΣΤΙΓΜΑΣ', 'στιγμας', 'Στιγμας', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
298 [ 'στιγμασ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
299 [ 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
300 [ 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
301 [ 'Ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
302 [ 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
303 [ 'Ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
304 [ 'ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
305 [ 'Ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
306 [ 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
307 [ "þǽr rihtes", "þǽr rihtes", "Þǽr Rihtes", "ÞǼR RIHTES", "þǽr rihtes", "Þǽr Rihtes", "ÞǼR RIHTES", "þǽr rihtes", "þǽr rihtes", "þǽr rihtes", ],
308 [ "duȝeðlice", "duȝeðlice", "Duȝeðlice", "DUȜEÐLICE", "duȝeðlice", "Duȝeðlice", "DUȜEÐLICE", "duȝeðlice", "duȝeðlice", "duȝeðlice", ],
309 [ "Van Dijke", "van dijke", "Van Dijke", "VAN DIJKE", "van dijke", "Van Dijke", "VAN DIJKE", "van dijke", "van dijke", "van dijke", ],
310 [ "fi", "fi", "fi", "fi", "fi", "Fi", "FI", "fi", "fi", "fi", ],
311 [ "filesystem", "filesystem", "filesystem", "fiLESYSTEM", "filesystem", "Filesystem", "FILESYSTEM", "filesystem", "filesystem", "filesystem", ],
312 [ "efficient", "efficient", "Efficient", "EffiCIENT", "efficient", "Efficient", "EFFICIENT", "efficient", "efficient", "efficient", ],
313 [ "flour and water", "flour and water", "flour And Water", "flOUR AND WATER", "flour and water", "Flour And Water", "FLOUR AND WATER", "flour and water", "flour and water", "flour and water", ],
314 [ "dz", "dz", "Dz", "DZ", "dz", "Dz", "DZ", "dz", "dz", "dz", ],
315 [ "dzur mountain", "dzur mountain", "Dzur Mountain", "DZUR MOUNTAIN", "dzur mountain", "Dzur Mountain", "DZUR MOUNTAIN", "dzur mountain", "dzur mountain", "dzur mountain", ],
316 [ "poſt", "poſt", "Poſt", "POST", "poſt", "Poſt", "POST", "post", "post", "post", ],
317 [ "poſt", "poſt", "Poſt", "POſt", "poſt", "Poſt", "POST", "poſt", "post", "post", ],
318 [ "ſtop", "ſtop", "ſtop", "ſtOP", "ſtop", "Stop", "STOP", "ſtop", "stop", "stop", ],
319 [ "tschüß", "tschüß", "Tschüß", "TSCHÜß", "tschüß", "Tschüß", "TSCHÜSS", "tschüß", "tschüss", "tschüss", ],
320 [ "TSCHÜẞ", "tschüß", "Tschüß", "TSCHÜẞ", "tschüß", "Tschüß", "TSCHÜẞ", "tschüß", "tschüss", "tschüss", ],
321 [ "rußland", "rußland", "Rußland", "RUßLAND", "rußland", "Rußland", "RUSSLAND", "rußland", "russland", "russland", ],
322 [ "RUẞLAND", "rußland", "Rußland", "RUẞLAND", "rußland", "Rußland", "RUẞLAND", "rußland", "russland", "russland", ],
323 [ "weiß", "weiß", "Weiß", "WEIß", "weiß", "Weiß", "WEISS", "weiß", "weiss", "weiss", ],
324 [ "WEIẞ", "weiß", "Weiß", "WEIẞ", "weiß", "Weiß", "WEIẞ", "weiß", "weıss", "weiss", ],
325 [ "ẞIEW", "ßiew", "ẞiew", "ẞIEW", "ßiew", "ẞiew", "ẞIEW", "ßiew", "ssıew", "ssiew", ],
326 [ "ͅ", "ͅ", "Ι", "Ι", "ͅ", "Ι", "Ι", "ι", "ι", "ι", ],
327 [ "ᾲ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "Ὰͅ", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
328 [ "Ὰι", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
329 [ "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
330 [ "ᾲ", "ᾲ", "ᾲ", "ᾲ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "ὰι", "ὰι", ],
331 [ "Ὰͅ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "Ὰͅ", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
332 [ "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
333 [ "ᾲ στο διάολο", "ᾲ στο διάολο", "ᾲ Στο Διάολο", "ᾲ ΣΤΟ ΔΙΆΟΛΟ", "ᾲ στο διάολο", "Ὰͅ Στο Διάολο", "ᾺΙ ΣΤΟ ΔΙΆΟΛΟ", "ᾲ στο διάολο", "ὰι στο διάολο", "ὰι στο διάολο", ],
334 [ "ᾲ στο διάολο", "ᾲ στο διάολο", "Ὰͅ Στο Διάολο", "ᾺΙ ΣΤΟ ΔΙΆΟΛΟ", "ᾲ στο διάολο", "Ὰͅ Στο Διάολο", "ᾺΙ ΣΤΟ ΔΙΆΟΛΟ", "ὰι στο διάολο", "ὰι στο διάολο", "ὰι στο διάολο", ],
335 [ "ⅷ", "ⅷ", "Ⅷ", "Ⅷ", "ⅷ", "Ⅷ", "Ⅷ", "ⅷ", "ⅷ", "ⅷ", ],
336 [ "henry ⅷ", "henry ⅷ", "Henry Ⅷ", "HENRY Ⅷ", "henry ⅷ", "Henry Ⅷ", "HENRY Ⅷ", "henry ⅷ", "henry ⅷ", "henry ⅷ", ],
337 [ "ⓚ", "ⓚ", "Ⓚ", "Ⓚ", "ⓚ", "Ⓚ", "Ⓚ", "ⓚ", "ⓚ", "ⓚ", ],
338 [ "i work at ⓚ", "i work at ⓚ", "I Work At Ⓚ", "I WORK AT Ⓚ", "i work at ⓚ", "I Work At Ⓚ", "I WORK AT Ⓚ", "i work at ⓚ", "i work at ⓚ", "i work at ⓚ", ],
339 [ "istambul", "istambul", "Istambul", "ISTAMBUL", "istambul", "Istambul", "ISTAMBUL", "istambul", "istambul", "istambul", ],
340 [ "i̇stanbul", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "i̇stanbul", "i̇stanbul", ],
341 [ "İstanbul", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "ı̇stanbul", "i̇stanbul", ],
342 [ "İSTANBUL", "istanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "İstanbul", "istanbul", "i̇stanbul", ],
343 [ "στιγμας", "στιγμας", "Στιγμας", "ΣΤΙΓΜΑΣ", "στιγμας", "Στιγμας", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
344 [ "στιγμασ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
345 [ "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
346 [ "ʀᴀʀᴇ", "ʀᴀʀᴇ", "Ʀᴀʀᴇ", "ƦᴀƦᴇ", "ʀᴀʀᴇ", "Ʀᴀʀᴇ", "ƦᴀƦᴇ", "ʀᴀʀᴇ", "ʀᴀʀᴇ", "ʀᴀʀᴇ", ],
347 [ "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐇𐐝𐐀𐐡𐐇𐐓", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐇𐐝𐐀𐐡𐐇𐐓", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", ],
348 [ "Ԧԧ", "ԧԧ", "Ԧԧ", "ԦԦ", "ԧԧ", "Ԧԧ", "ԦԦ", "ԧԧ", "ԧԧ", "ԧԧ", ],
349 [ "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "Մնﬔﬕﬖﬗ", "ՄՆՄԵՄԻՎՆՄԽ", "ﬓﬔﬕﬖﬗ", "մնմեմիվնմխ", "մնմեմիվնմխ", ],
350 [ "ʼn groot", "ʼn groot", "ʼn Groot", "ʼn GROOT", "ʼn groot", "ʼN Groot", "ʼN GROOT", "ʼn groot", "ʼn groot", "ʼn groot", ],
351 [ "ẚ", "ẚ", "ẚ", "ẚ", "ẚ", "Aʾ", "Aʾ", "ẚ", "aʾ", "aʾ", ],
352 [ "ff", "ff", "ff", "ff", "ff", "Ff", "FF", "ff", "ff", "ff", ],
353 [ "ǰ", "ǰ", "ǰ", "ǰ", "ǰ", "J̌", "J̌", "ǰ", "ǰ", "ǰ", ],
354 [ "550 nm or Å", "550 nm or å", "550 Nm Or Å", "550 NM OR Å", "550 nm or å", "550 Nm Or Å", "550 NM OR Å", "550 nm or å", "550 nm or å", "550 nm or å", ],
360 my ($simple_lc, $simple_tc, $simple_uc, $simple_fc) = @{$_}[1, 2, 3, 7];
361 my ($orig, $lower, $titlecase, $upper, $fc_turkic, $fc_full) = @{$_}[0,4,5,6,8,9];
363 if ($orig =~ /(\P{Assigned})/) { # So can fail gracefully in earlier
365 fail(sprintf "because U+%04X is unassigned", ord($1));
368 is( fc($orig), $fc_full, "fc('$orig') returns '$fc_full'" );
369 is( "\F$orig", $fc_full, '\F works' );
370 is( lc($orig), $lower, "lc('$orig') returns '$lower'" );
371 is( "\L$orig", $lower, '\L works' );
372 is( uc($orig), $upper, "uc('$orig') returns '$upper'" );
373 is( "\U$orig", $upper, '\U works' );
379 package Eeyup { use overload q{""} => sub { main::uni_to_native("\x{df}") }, fallback => 1 }
380 package Uunope { use overload q{""} => sub { "\x{30cb}" }, fallback => 1 }
381 package Undef { use overload q{""} => sub { undef }, fallback => 1 }
383 my $obj = bless {}, "Eeyup";
384 is(fc($obj), "ss", "fc() works on overloaded objects returning latin-1");
385 $obj = bless {}, "Eeyup";
386 is("\F$obj", "ss", '\F works on overloaded objects returning latin-1');
388 $obj = bless {}, "Uunope";
389 is(fc($obj), "\x{30cb}", "fc() works on overloaded objects returning UTF-8");
390 $obj = bless {}, "Uunope";
391 is("\F$obj", "\x{30cb}", '\F works on overloaded objects returning UTF-8');
393 $obj = bless {}, "Undef";
397 use warnings "uninitialized";
398 local $SIG{__WARN__} = sub { $warnings++; like(shift, qr/Use of uninitialized value (?:\$obj )?in fc/) };
402 is( $warnings, 2, "correct number of warnings" );
405 package Derpy { sub TIESCALAR { bless {}, shift } sub FETCH { $fetched++; main::uni_to_native("\x{df}") } }
409 is( fc($x), "ss", "fc() works on tied values" );
410 is( $fetched, 1, "and only calls the magic once" );
415 use feature qw( fc );
416 my $troublesome1 = uni_to_native("\xdf") x 11; #SvLEN should be 12, SvCUR should be 11
417 #So this should force fc() to grow the string.
419 is( fc($troublesome1), "ss" x 11, "fc() grows the string" );
421 my $troublesome2 = "abcdef:" . uni_to_native("\x{df}")
422 . ":fjksjs"; #SvLEN should be 16, SvCUR should be 15
423 is( fc($troublesome2), "abcdef:ss:fjksjs", "fc() expands \\x{DF} in the middle of a string that needs to grow" );
425 my $troublesome3 = ":" . uni_to_native("\x{df}") . ":";
426 is( fc($troublesome3), ":ss:", "fc() expands \\x{DF} in the middle of a string" );
429 my $troublesome4 = uni_to_native("\x{B5}"); #\N{MICRON SIGN} is latin-1, but its foldcase is in UTF-8
431 is( fc($troublesome4), "\x{3BC}", "fc() for a latin-1 \x{B5} returns UTF-8" );
432 ok( !utf8::is_utf8($troublesome4), "fc() doesn't upgrade the original string" );
435 my $troublesome5 = uni_to_native("\x{C9}") . "abda"
436 . uni_to_native("\x{B5}") . "aaf"
437 . uni_to_native("\x{C8}"); # Up until foldcasing \x{B5}, the string
438 # was in Latin-1. This tests that the
439 # results don't have illegal UTF-8
440 # (i.e. leftover latin-1) in them
442 is( fc($troublesome5), uni_to_native("\x{E9}") . "abda\x{3BC}aaf"
443 . uni_to_native("\x{E8}") );
448 use feature qw( fc unicode_strings );
450 skip "locales not available", 256 unless locales_enabled('LC_ALL');
452 setlocale(&POSIX::LC_ALL, "C");
454 # This tests both code paths in pp_fc
459 utf8::downgrade($latin1); #No-op, but doesn't hurt
460 utf8::upgrade($utf8);
461 is(fc($latin1), fc($utf8), "fc() gives the same results for \\x{$_} in Latin-1 and UTF-8 under unicode_strings");
463 skip 'Locales not available', 2 unless locales_enabled('LC_CTYPE');
465 is(fc($latin1), lc($latin1), "use locale; fc(qq{\\x{$_}}), lc(qq{\\x{$_}}) when qq{\\x{$_}} is in latin-1");
466 is(fc($utf8), lc($utf8), "use locale; fc(qq{\\x{$_}}), lc(qq{\\x{$_}}) when qq{\\x{$_}} is in latin-1");
469 no feature 'unicode_strings';
470 is(fc($latin1), lc($latin1), "under nothing, fc() for <256 is the same as lc");
475 my $utf8_locale = find_utf8_ctype_locale();
478 use feature qw( fc );
480 no warnings 'locale'; # Would otherwise warn
481 is(fc("\x{1E9E}"), fc("\x{17F}\x{17F}"), 'fc("\x{1E9E}") eq fc("\x{17F}\x{17F}")');
482 use warnings 'locale';
484 skip 'Can\'t find a UTF-8 locale', 1 unless defined $utf8_locale;
485 setlocale(&LC_CTYPE, $utf8_locale);
486 is(fc("\x{1E9E}"), "ss", 'fc("\x{1E9E}") eq "ss" in a UTF-8 locale)');
491 skip 'Can\'t find a UTF-8 locale', 256 unless defined $utf8_locale;
493 use feature qw( fc unicode_strings );
495 # Get the official fc values outside locale.
499 push @unicode_fc, fc(chr);
502 # These should match the UTF-8 locale values
503 setlocale(&LC_CTYPE, $utf8_locale);
506 is(fc(chr), $unicode_fc[$_], "In a UTF-8 locale, fc(chr $_) is the same as official Unicode");
511 my $num_tests = curr_test() - 1;