4 # re/fold_grind.t has more complex tests, but doesn't test every fold
5 # This file also tests the fc() keyword.
10 @INC = () unless is_miniperl();
11 unshift @INC, '../lib';
13 skip_all_if_miniperl("Unicode tables not built yet")
14 unless eval 'require "unicore/Heavy.pl"';
16 require Config; import Config;
17 require './loc_tools.pl'; # Contains find_utf8_ctype_locale()
20 use feature 'unicode_strings';
21 use Unicode::UCD qw(all_casefolds);
23 binmode *STDOUT, ":utf8";
29 # Read in the official case folding definitions.
30 my $casefolds = all_casefolds();
38 foreach my $decimal_code_point (sort { $a <=> $b } keys %$casefolds) {
39 # We only use simple folds in fc(), since the regex engine uses full case
42 my $name = charnames::viacode($decimal_code_point);
43 my $type = $casefolds->{$decimal_code_point}{'status'};
44 my $code = $casefolds->{$decimal_code_point}{'code'};
45 my $simple = $casefolds->{$decimal_code_point}{'simple'};
46 my $full = $casefolds->{$decimal_code_point}{'full'};
48 if ($simple && $simple ne $full) { # If there is a distinction
49 push @simple_folds, [ $code, $simple, $type, $name ];
52 push @CF, [ $code, $full, $type, $name ];
54 # Get the inverse fold for single-char mappings.
55 $reverse_fold{pack "U0U*", hex $simple} = pack "U0U*", $decimal_code_point if $simple;
58 foreach my $test_ref ( @simple_folds ) {
60 my ($code, $mapping, $type, $name) = @$test_ref;
61 my $c = pack("U0U*", hex $code);
62 my $f = pack("U0U*", map { hex } split " ", $mapping);
64 my $against = join "", "qq{", map("\\x{$_}", split " ", $mapping), "}";
66 isnt(fc($c), $f, "$code - $name - $mapping - $type - Full casefolding, fc(\\x{$code}) ne $against");
67 isnt("\F$c", $f, "$code - $name - $mapping - $type - Full casefolding, qq{\\F\\x{$code}} ne $against");
71 foreach my $test_ref (@CF) {
72 my ($code, $mapping, $type, $name) = @$test_ref;
73 my $c = pack("U0U*", hex $code);
74 my $f = pack("U0U*", 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";
164 # These three come from the ICU project's test suite, more especifically
165 # http://icu.sourcearchive.com/documentation/4.4~rc1-1/strcase_8cpp-source.html
167 my $s = "A\N{U+00df}\N{U+00b5}\N{U+fb03}\N{U+1040C}\N{U+0130}\N{U+0131}";
168 #\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}
170 my $f = "ass\N{U+03bc}ffi\N{U+10434}i\N{U+0307}\N{U+0131}";
171 #\N{LATIN SMALL LETTER A}\N{LATIN SMALL LETTER S}\N{LATIN SMALL LETTER S}\N{GREEK SMALL LETTER MU}\N{LATIN SMALL LETTER F}\N{LATIN SMALL LETTER F}\N{LATIN SMALL LETTER I}\N{DESERET SMALL LETTER AY}\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}\N{LATIN SMALL LETTER DOTLESS I}
173 is(fc($s), $f, "ICU's casefold test passes");
174 is("\F$s", $f, "ICU's casefold test passes");
176 is( fc("aBİIıϐßffi"), "abi̇iıβssffi" );
177 is( "\FaBİIıϐßffi", "abi̇iıβssffi" );
179 # local $::TODO = "turkic special cases";
180 # is( fc "aBİIıϐßffi", "abiııβssffi" );
183 # The next batch come from http://www.devdaily.com/java/jwarehouse/lucene/contrib/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilter.java.shtml
184 # Except the article got most casings wrong. Or maybe Lucene does.
186 is( fc("This is a test"), "this is a test" );
187 is( fc("Ruß"), "russ" );
188 is( fc("ΜΆΪΟΣ"), "μάϊοσ" );
189 is( fc("Μάϊος"), "μάϊοσ" );
191 is( fc("r\xe9sum\xe9"), "r\xe9sum\xe9" );
192 is( fc("re\x{0301}sume\x{0301}"), "re\x{301}sume\x{301}" );
193 is( fc("ELİF"), "eli\x{307}f" );
194 is( fc("eli\x{307}f"), "eli\x{307}f");
196 # This batch comes from
197 # http://www.java2s.com/Open-Source/Java-Document/Internationalization-Localization/icu4j/com/ibm/icu/dev/test/lang/UCharacterCaseTest.java.htm
198 # Which uses ICU as the backend.
200 my @folding_mixed = (
201 "\x{61}\x{42}\x{130}\x{49}\x{131}\x{3d0}\x{df}\x{fb03}",
202 "A\x{df}\x{b5}\x{fb03}\x{1040C}\x{130}\x{131}",
205 my @folding_default = (
206 "\x{61}\x{62}\x{69}\x{307}\x{69}\x{131}\x{3b2}\x{73}\x{73}\x{66}\x{66}\x{69}",
207 "ass\x{3bc}ffi\x{10434}i\x{307}\x{131}",
210 my @folding_exclude_turkic = (
211 "\x{61}\x{62}\x{69}\x{131}\x{131}\x{3b2}\x{73}\x{73}\x{66}\x{66}\x{69}",
212 "ass\x{3bc}ffi\x{10434}i\x{131}",
215 is( fc($folding_mixed[1]), $folding_default[1] );
217 is( fc($folding_mixed[0]), $folding_default[0] );
223 # Table stolen from tchrist's mail in
224 # http://bugs.python.org/file23051/casing-tests.py
225 # and http://98.245.80.27/tcpc/OSCON2011/case-test.python3
226 # For reference, it's a longer version of what he posted here:
227 # http://stackoverflow.com/questions/6991038/case-insensitive-storage-and-unicode-compatibility
229 #Couple of repeats because I'm lazy, not tchrist's fault.
231 #This should probably go in t/op/lc.t
234 # ORIG LC_SIMPLE TC_SIMPLE UC_SIMPLE LC_FULL TC_FULL UC_FULL FC_SIMPLE FC_TURKIC FC_FULL
235 [ 'þǽr rihtes', 'þǽr rihtes', 'Þǽr Rihtes', 'ÞǼR RIHTES', 'þǽr rihtes', 'Þǽr Rihtes', 'ÞǼR RIHTES', 'þǽr rihtes', 'þǽr rihtes', 'þǽr rihtes', ],
236 [ 'duȝeðlice', 'duȝeðlice', 'Duȝeðlice', 'DUȜEÐLICE', 'duȝeðlice', 'Duȝeðlice', 'DUȜEÐLICE', 'duȝeðlice', 'duȝeðlice', 'duȝeðlice', ],
237 [ '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', ],
238 [ 'Кириллица', 'кириллица', 'Кириллица', 'КИРИЛЛИЦА', 'кириллица', 'Кириллица', 'КИРИЛЛИЦА', 'кириллица', 'кириллица', 'кириллица', ],
239 [ 'ij', 'ij', 'IJ', 'IJ', 'ij', 'IJ', 'IJ', 'ij', 'ij', 'ij', ],
240 [ 'Van Dijke', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'van dijke', 'van dijke', ],
241 [ 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'Van Dijke', 'VAN DIJKE', 'van dijke', 'van dijke', 'van dijke', ],
242 [ 'efficient', 'efficient', 'Efficient', 'EffiCIENT', 'efficient', 'Efficient', 'EFFICIENT', 'efficient', 'efficient', 'efficient', ],
243 [ 'flour', 'flour', 'flour', 'flOUR', 'flour', 'Flour', 'FLOUR', 'flour', 'flour', 'flour', ],
244 [ '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', ],
245 [ 'dzur', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
246 [ 'Dzur', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
247 [ 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'Dzur', 'DZUR', 'dzur', 'dzur', 'dzur', ],
248 [ 'dzur mountain', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountain', 'dzur mountain', ],
249 [ 'Dzur Mountain', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountain', 'dzur mountain', ],
250 [ 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'Dzur Mountain', 'DZUR MOUNTAIN', 'dzur mountain', 'dzur mountaın', 'dzur mountain', ],
251 [ 'poſt', 'poſt', 'Poſt', 'POST', 'poſt', 'Poſt', 'POST', 'post', 'post', 'post', ],
252 [ 'poſt', 'poſt', 'Poſt', 'POſt', 'poſt', 'Poſt', 'POST', 'poſt', 'post', 'post', ],
253 [ 'ſtop', 'ſtop', 'ſtop', 'ſtOP', 'ſtop', 'Stop', 'STOP', 'ſtop', 'stop', 'stop', ],
254 [ 'tschüß', 'tschüß', 'Tschüß', 'TSCHÜß', 'tschüß', 'Tschüß', 'TSCHÜSS', 'tschüß', 'tschüss', 'tschüss', ],
255 [ 'TSCHÜẞ', 'tschüß', 'Tschüß', 'TSCHÜẞ', 'tschüß', 'Tschüß', 'TSCHÜẞ', 'tschüß', 'tschüss', 'tschüss', ],
256 [ 'weiß', 'weiß', 'Weiß', 'WEIß', 'weiß', 'Weiß', 'WEISS', 'weiß', 'weiss', 'weiss', ],
257 [ 'WEIẞ', 'weiß', 'Weiß', 'WEIẞ', 'weiß', 'Weiß', 'WEIẞ', 'weiß', 'weıss', 'weiss', ],
258 [ 'ẞIEW', 'ßiew', 'ẞiew', 'ẞIEW', 'ßiew', 'ẞiew', 'ẞIEW', 'ßiew', 'ssıew', 'ssiew', ],
259 [ 'ᾲ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
260 [ 'Ὰι', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
261 [ 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
262 [ 'ᾲ', 'ᾲ', 'ᾲ', 'ᾲ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'ὰι', 'ὰι', ],
263 [ 'Ὰͅ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ᾲ', 'Ὰͅ', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
264 [ 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'Ὰι', 'ᾺΙ', 'ὰι', 'ὰι', 'ὰι', ],
265 [ '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', ],
266 [ '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', ],
267 [ '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
268 [ '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
269 [ '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐯𐑅𐐨𐑉𐐯𐐻', '𐐔𐐇𐐝𐐀𐐡𐐇𐐓', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', '𐐼𐐯𐑅𐐨𐑉𐐯𐐻', ],
270 [ 'henry ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
271 [ 'Henry Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
272 [ 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'Henry Ⅷ', 'HENRY Ⅷ', 'henry ⅷ', 'henry ⅷ', 'henry ⅷ', ],
273 [ '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 ⓚ', ],
274 [ '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 ⓚ', ],
275 [ '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 ⓚ', ],
276 [ 'istambul', 'istambul', 'Istambul', 'ISTAMBUL', 'istambul', 'Istambul', 'ISTAMBUL', 'istambul', 'istambul', 'istambul', ],
277 [ 'i̇stanbul', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'i̇stanbul', 'i̇stanbul', ],
278 [ 'İstanbul', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'ı̇stanbul', 'i̇stanbul', ],
279 [ 'İSTANBUL', 'istanbul', 'İstanbul', 'İSTANBUL', 'i̇stanbul', 'İstanbul', 'İSTANBUL', 'İstanbul', 'istanbul', 'i̇stanbul', ],
280 [ 'στιγμας', 'στιγμας', 'Στιγμας', 'ΣΤΙΓΜΑΣ', 'στιγμας', 'Στιγμας', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
281 [ 'στιγμασ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
282 [ 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'Στιγμασ', 'ΣΤΙΓΜΑΣ', 'στιγμασ', 'στιγμασ', 'στιγμασ', ],
283 [ 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
284 [ 'Ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
285 [ 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'Ʀᴀʀᴇ', 'ƦᴀƦᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', 'ʀᴀʀᴇ', ],
286 [ 'Ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
287 [ 'ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
288 [ 'Ԧԧ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
289 [ 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'Ԧԧ', 'ԦԦ', 'ԧԧ', 'ԧԧ', 'ԧԧ', ],
290 [ "þǽr rihtes", "þǽr rihtes", "Þǽr Rihtes", "ÞǼR RIHTES", "þǽr rihtes", "Þǽr Rihtes", "ÞǼR RIHTES", "þǽr rihtes", "þǽr rihtes", "þǽr rihtes", ],
291 [ "duȝeðlice", "duȝeðlice", "Duȝeðlice", "DUȜEÐLICE", "duȝeðlice", "Duȝeðlice", "DUȜEÐLICE", "duȝeðlice", "duȝeðlice", "duȝeðlice", ],
292 [ "Van Dijke", "van dijke", "Van Dijke", "VAN DIJKE", "van dijke", "Van Dijke", "VAN DIJKE", "van dijke", "van dijke", "van dijke", ],
293 [ "fi", "fi", "fi", "fi", "fi", "Fi", "FI", "fi", "fi", "fi", ],
294 [ "filesystem", "filesystem", "filesystem", "fiLESYSTEM", "filesystem", "Filesystem", "FILESYSTEM", "filesystem", "filesystem", "filesystem", ],
295 [ "efficient", "efficient", "Efficient", "EffiCIENT", "efficient", "Efficient", "EFFICIENT", "efficient", "efficient", "efficient", ],
296 [ "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", ],
297 [ "dz", "dz", "Dz", "DZ", "dz", "Dz", "DZ", "dz", "dz", "dz", ],
298 [ "dzur mountain", "dzur mountain", "Dzur Mountain", "DZUR MOUNTAIN", "dzur mountain", "Dzur Mountain", "DZUR MOUNTAIN", "dzur mountain", "dzur mountain", "dzur mountain", ],
299 [ "poſt", "poſt", "Poſt", "POST", "poſt", "Poſt", "POST", "post", "post", "post", ],
300 [ "poſt", "poſt", "Poſt", "POſt", "poſt", "Poſt", "POST", "poſt", "post", "post", ],
301 [ "ſtop", "ſtop", "ſtop", "ſtOP", "ſtop", "Stop", "STOP", "ſtop", "stop", "stop", ],
302 [ "tschüß", "tschüß", "Tschüß", "TSCHÜß", "tschüß", "Tschüß", "TSCHÜSS", "tschüß", "tschüss", "tschüss", ],
303 [ "TSCHÜẞ", "tschüß", "Tschüß", "TSCHÜẞ", "tschüß", "Tschüß", "TSCHÜẞ", "tschüß", "tschüss", "tschüss", ],
304 [ "rußland", "rußland", "Rußland", "RUßLAND", "rußland", "Rußland", "RUSSLAND", "rußland", "russland", "russland", ],
305 [ "RUẞLAND", "rußland", "Rußland", "RUẞLAND", "rußland", "Rußland", "RUẞLAND", "rußland", "russland", "russland", ],
306 [ "weiß", "weiß", "Weiß", "WEIß", "weiß", "Weiß", "WEISS", "weiß", "weiss", "weiss", ],
307 [ "WEIẞ", "weiß", "Weiß", "WEIẞ", "weiß", "Weiß", "WEIẞ", "weiß", "weıss", "weiss", ],
308 [ "ẞIEW", "ßiew", "ẞiew", "ẞIEW", "ßiew", "ẞiew", "ẞIEW", "ßiew", "ssıew", "ssiew", ],
309 [ "ͅ", "ͅ", "Ι", "Ι", "ͅ", "Ι", "Ι", "ι", "ι", "ι", ],
310 [ "ᾲ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "Ὰͅ", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
311 [ "Ὰι", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
312 [ "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
313 [ "ᾲ", "ᾲ", "ᾲ", "ᾲ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "ὰι", "ὰι", ],
314 [ "Ὰͅ", "ᾲ", "Ὰͅ", "ᾺΙ", "ᾲ", "Ὰͅ", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
315 [ "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "Ὰι", "ᾺΙ", "ὰι", "ὰι", "ὰι", ],
316 [ "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", ],
317 [ "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", ],
318 [ "ⅷ", "ⅷ", "Ⅷ", "Ⅷ", "ⅷ", "Ⅷ", "Ⅷ", "ⅷ", "ⅷ", "ⅷ", ],
319 [ "henry ⅷ", "henry ⅷ", "Henry Ⅷ", "HENRY Ⅷ", "henry ⅷ", "Henry Ⅷ", "HENRY Ⅷ", "henry ⅷ", "henry ⅷ", "henry ⅷ", ],
320 [ "ⓚ", "ⓚ", "Ⓚ", "Ⓚ", "ⓚ", "Ⓚ", "Ⓚ", "ⓚ", "ⓚ", "ⓚ", ],
321 [ "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 ⓚ", ],
322 [ "istambul", "istambul", "Istambul", "ISTAMBUL", "istambul", "Istambul", "ISTAMBUL", "istambul", "istambul", "istambul", ],
323 [ "i̇stanbul", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "i̇stanbul", "i̇stanbul", ],
324 [ "İstanbul", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "ı̇stanbul", "i̇stanbul", ],
325 [ "İSTANBUL", "istanbul", "İstanbul", "İSTANBUL", "i̇stanbul", "İstanbul", "İSTANBUL", "İstanbul", "istanbul", "i̇stanbul", ],
326 [ "στιγμας", "στιγμας", "Στιγμας", "ΣΤΙΓΜΑΣ", "στιγμας", "Στιγμας", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
327 [ "στιγμασ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
328 [ "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "Στιγμασ", "ΣΤΙΓΜΑΣ", "στιγμασ", "στιγμασ", "στιγμασ", ],
329 [ "ʀᴀʀᴇ", "ʀᴀʀᴇ", "Ʀᴀʀᴇ", "ƦᴀƦᴇ", "ʀᴀʀᴇ", "Ʀᴀʀᴇ", "ƦᴀƦᴇ", "ʀᴀʀᴇ", "ʀᴀʀᴇ", "ʀᴀʀᴇ", ],
330 [ "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐇𐐝𐐀𐐡𐐇𐐓", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐯𐑅𐐨𐑉𐐯𐐻", "𐐔𐐇𐐝𐐀𐐡𐐇𐐓", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", "𐐼𐐯𐑅𐐨𐑉𐐯𐐻", ],
331 [ "Ԧԧ", "ԧԧ", "Ԧԧ", "ԦԦ", "ԧԧ", "Ԧԧ", "ԦԦ", "ԧԧ", "ԧԧ", "ԧԧ", ],
332 [ "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "ﬓﬔﬕﬖﬗ", "Մնﬔﬕﬖﬗ", "ՄՆՄԵՄԻՎՆՄԽ", "ﬓﬔﬕﬖﬗ", "մնմեմիվնմխ", "մնմեմիվնմխ", ],
333 [ "ʼn groot", "ʼn groot", "ʼn Groot", "ʼn GROOT", "ʼn groot", "ʼN Groot", "ʼN GROOT", "ʼn groot", "ʼn groot", "ʼn groot", ],
334 [ "ẚ", "ẚ", "ẚ", "ẚ", "ẚ", "Aʾ", "Aʾ", "ẚ", "aʾ", "aʾ", ],
335 [ "ff", "ff", "ff", "ff", "ff", "Ff", "FF", "ff", "ff", "ff", ],
336 [ "ǰ", "ǰ", "ǰ", "ǰ", "ǰ", "J̌", "J̌", "ǰ", "ǰ", "ǰ", ],
337 [ "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", ],
343 my ($simple_lc, $simple_tc, $simple_uc, $simple_fc) = @{$_}[1, 2, 3, 7];
344 my ($orig, $lower, $titlecase, $upper, $fc_turkic, $fc_full) = @{$_}[0,4,5,6,8,9];
346 if ($orig =~ /(\P{Assigned})/) { # So can fail gracefully in earlier
348 fail(sprintf "because U+%04X is unassigned", ord($1));
351 is( fc($orig), $fc_full, "fc('$orig') returns '$fc_full'" );
352 is( "\F$orig", $fc_full, '\F works' );
353 is( lc($orig), $lower, "lc('$orig') returns '$lower'" );
354 is( "\L$orig", $lower, '\L works' );
355 is( uc($orig), $upper, "uc('$orig') returns '$upper'" );
356 is( "\U$orig", $upper, '\U works' );
362 package Eeyup { use overload q{""} => sub { "\x{df}" }, fallback => 1 }
363 package Uunope { use overload q{""} => sub { "\x{30cb}" }, fallback => 1 }
364 package Undef { use overload q{""} => sub { undef }, fallback => 1 }
366 my $obj = bless {}, "Eeyup";
367 is(fc($obj), "ss", "fc() works on overloaded objects returning latin-1");
368 $obj = bless {}, "Eeyup";
369 is("\F$obj", "ss", '\F works on overloaded objects returning latin-1');
371 $obj = bless {}, "Uunope";
372 is(fc($obj), "\x{30cb}", "fc() works on overloaded objects returning UTF-8");
373 $obj = bless {}, "Uunope";
374 is("\F$obj", "\x{30cb}", '\F works on overloaded objects returning UTF-8');
376 $obj = bless {}, "Undef";
380 use warnings "uninitialized";
381 local $SIG{__WARN__} = sub { $warnings++; like(shift, qr/Use of uninitialized value (?:\$obj )?in fc/) };
385 is( $warnings, 2, "correct number of warnings" );
388 package Derpy { sub TIESCALAR { bless {}, shift } sub FETCH { $fetched++; "\x{df}" } }
392 is( fc($x), "ss", "fc() works on tied values" );
393 is( $fetched, 1, "and only calls the magic once" );
398 use feature qw( fc );
399 my $troublesome1 = "\xdf" x 11; #SvLEN should be 12, SvCUR should be 11
400 #So this should force fc() to grow the string.
402 is( fc($troublesome1), "ss" x 11, "fc() grows the string" );
404 my $troublesome2 = "abcdef:\x{df}:fjksjs"; #SvLEN should be 16, SvCUR should be 15
405 is( fc($troublesome2), "abcdef:ss:fjksjs", "fc() expands \\x{DF} in the middle of a string that needs to grow" );
407 my $troublesome3 = ":\x{df}:";
408 is( fc($troublesome3), ":ss:", "fc() expands \\x{DF} in the middle of a string" );
411 my $troublesome4 = "\x{B5}"; #\N{MICRON SIGN} is latin-1, but its foldcase is in UTF-8
413 is( fc($troublesome4), "\x{3BC}", "fc() for a latin-1 \x{B5} returns UTF-8" );
414 ok( !utf8::is_utf8($troublesome4), "fc() doesn't upgrade the original string" );
417 my $troublesome5 = "\x{C9}abda\x{B5}aaf\x{C8}"; # Up until foldcasing \x{B5}, the string
418 # was in Latin-1. This tests that the
419 # results don't have illegal UTF-8
420 # (i.e. leftover latin-1) in them
422 is( fc($troublesome5), "\x{E9}abda\x{3BC}aaf\x{E8}" );
427 use feature qw( fc unicode_strings );
429 eval { require POSIX; import POSIX 'locale_h'; };
430 unless (defined &POSIX::LC_ALL) {
431 skip "no POSIX (or no Fcntl, or no dynamic loading)", 256;
434 setlocale(&POSIX::LC_ALL, "C") if $Config{d_setlocale};
436 # This tests both code paths in pp_fc
441 utf8::downgrade($latin1); #No-op, but doesn't hurt
442 utf8::upgrade($utf8);
443 is(fc($latin1), fc($utf8), "fc() gives the same results for \\x{$_} in Latin-1 and UTF-8 under unicode_strings");
445 skip 'No locale testing without d_setlocale', 2 if(!$Config{d_setlocale});
447 is(fc($latin1), lc($latin1), "use locale; fc(qq{\\x{$_}}), lc(qq{\\x{$_}}) when qq{\\x{$_}} is in latin-1");
448 is(fc($utf8), lc($utf8), "use locale; fc(qq{\\x{$_}}), lc(qq{\\x{$_}}) when qq{\\x{$_}} is in latin-1");
451 no feature 'unicode_strings';
452 is(fc($latin1), lc($latin1), "under nothing, fc() for <256 is the same as lc");
457 my $utf8_locale = find_utf8_ctype_locale();
460 use feature qw( fc );
462 is(fc("\x{1E9E}"), fc("\x{17F}\x{17F}"), 'fc("\x{1E9E}") eq fc("\x{17F}\x{17F}")');
464 skip 'Can\'t find a UTF-8 locale', 1 unless defined $utf8_locale;
465 setlocale(&LC_CTYPE, $utf8_locale);
466 is(fc("\x{1E9E}"), "ss", 'fc("\x{1E9E}") eq "ss" in a UTF-8 locale)');
471 skip 'Can\'t find a UTF-8 locale', 256 unless defined $utf8_locale;
473 use feature qw( fc unicode_strings );
475 # Get the official fc values outside locale.
479 push @unicode_fc, fc(chr);
482 # These should match the UTF-8 locale values
483 setlocale(&LC_CTYPE, $utf8_locale);
486 is(fc(chr), $unicode_fc[$_], "In a UTF-8 locale, fc(chr $_) is the same as official Unicode");
491 my $num_tests = curr_test() - 1;