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[perl5.git] / t / re / regexp_unicode_prop.t
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A
1#!./perl
2#
3# Tests that have to do with checking whether characters have (or not have)
4# certain Unicode properties; belong (or not belong) to blocks, scripts, etc.
5#
6
7use strict;
8use warnings;
9use 5.010;
10
11my $IS_EBCDIC = ord ('A') == 193;
12
13sub run_tests;
14
15#
16# This is the data to test.
17#
18# This is a hash; keys are the property to test.
19# Values are arrays containing characters to test. The characters can
20# have the following formats:
21# '\N{CHARACTER NAME}' - Use character with that name
22# '\x{1234}' - Use character with that hex escape
23# '0x1234' - Use chr() to get that character
24# "a" - Character to use
25#
26# If a character entry starts with ! the character does not belong to the class
27#
28# If the class is just single letter, we use both \pL and \p{L}
29#
30
31use charnames ':full';
32
33my @CLASSES = (
34 L => ["a", "A"],
35 Ll => ["b", "!B"],
36 Lu => ["!c", "C"],
37 IsLl => ["d", "!D"],
38 IsLu => ["!e", "E"],
39 LC => ["f", "!1"],
40 'L&' => ["g", "!2"],
41 'Lowercase Letter' => ["h", "!H"],
42
43 Common => ["!i", "3"],
44 Inherited => ["!j", '\x{300}'],
45
46 InBasicLatin => ['\N{LATIN CAPITAL LETTER A}'],
47 InLatin1Supplement => ['\N{LATIN CAPITAL LETTER A WITH GRAVE}'],
48 InLatinExtendedA => ['\N{LATIN CAPITAL LETTER A WITH MACRON}'],
49 InLatinExtendedB => ['\N{LATIN SMALL LETTER B WITH STROKE}'],
50 InKatakana => ['\N{KATAKANA LETTER SMALL A}'],
51 IsLatin => ["0x100", "0x212b"],
52 IsHebrew => ["0x5d0", "0xfb4f"],
53 IsGreek => ["0x37a", "0x386", "!0x387", "0x388",
54 "0x38a", "!0x38b", "0x38c"],
55 HangulSyllables => ['\x{AC00}'],
56 'Script=Latin' => ['\x{0100}'],
57 'Block=LatinExtendedA' => ['\x{0100}'],
58 'Category=UppercaseLetter' => ['\x{0100}'],
59
60 #
61 # It's ok to repeat class names.
62 #
63 InLatin1Supplement =>
64 $IS_EBCDIC ? ['!\x{7f}', '\x{80}', '!\x{100}']
65 : ['!\x{7f}', '\x{80}', '\x{ff}', '!\x{100}'],
66 InLatinExtendedA =>
67 ['!\x{7f}', '!\x{80}', '!\x{ff}', '\x{100}'],
68
69 #
70 # Properties are case-insensitive, and may have whitespace,
71 # dashes and underscores.
72 #
73 'in-latin1_SUPPLEMENT' => ['\x{80}',
74 '\N{LATIN SMALL LETTER Y WITH DIAERESIS}'],
75 ' ^ In Latin 1 Supplement '
76 => ['!\x{80}', '\N{COFFIN}'],
77 'latin-1 supplement' => ['\x{80}', "0xDF"],
78
79);
80
81my @USER_DEFINED_PROPERTIES = (
82 #
83 # User defined properties
84 #
85 InKana1 => ['\x{3040}', '!\x{303F}'],
86 InKana2 => ['\x{3040}', '!\x{303F}'],
87 InKana3 => ['\x{3041}', '!\x{3040}'],
88 InNotKana => ['\x{3040}', '!\x{3041}'],
89 InConsonant => ['d', '!e'],
90 IsSyriac1 => ['\x{0712}', '!\x{072F}'],
91 Syriac1 => ['\x{0712}', '!\x{072F}'],
92 '# User-defined character properties my lack \n at the end',
93 InGreekSmall => ['\N{GREEK SMALL LETTER PI}',
94 '\N{GREEK SMALL LETTER FINAL SIGMA}'],
95 InGreekCapital => ['\N{GREEK CAPITAL LETTER PI}', '!\x{03A2}'],
96 Dash => ['-'],
97 ASCII_Hex_Digit => ['!-', 'A'],
98 AsciiHexAndDash => ['-', 'A'],
99);
100
101
102#
103# From the short properties we populate POSIX-like classes.
104#
105my %SHORT_PROPERTIES = (
106 'Ll' => ['m', '\N{CYRILLIC SMALL LETTER A}'],
107 'Lu' => ['M', '\N{GREEK CAPITAL LETTER ALPHA}'],
108 'Lo' => ['\N{HIRAGANA LETTER SMALL A}'],
109 'Mn' => ['\N{COMBINING GRAVE ACCENT}'],
110 'Nd' => ["0", '\N{ARABIC-INDIC DIGIT ZERO}'],
111 'Pc' => ["_"],
112 'Po' => ["!"],
113 'Zs' => [" "],
114 'Cc' => ['\x{00}'],
115);
116
117#
118# Illegal properties
119#
120my @ILLEGAL_PROPERTIES = qw [q qrst];
121
122my %d;
123
124while (my ($class, $chars) = each %SHORT_PROPERTIES) {
125 push @{$d {IsAlpha}} => map {$class =~ /^[LM]/ ? $_ : "!$_"} @$chars;
126 push @{$d {IsAlnum}} => map {$class =~ /^[LMN]./ ? $_ : "!$_"} @$chars;
127 push @{$d {IsASCII}} => map {length ($_) == 1 || $_ eq '\x{00}'
128 ? $_ : "!$_"} @$chars;
129 push @{$d {IsCntrl}} => map {$class =~ /^C/ ? $_ : "!$_"} @$chars;
130 push @{$d {IsBlank}} => map {$class =~ /^Z[lps]/ ? $_ : "!$_"} @$chars;
131 push @{$d {IsDigit}} => map {$class =~ /^Nd$/ ? $_ : "!$_"} @$chars;
132 push @{$d {IsGraph}} => map {$class =~ /^([LMNPS]|Co)/
133 ? $_ : "!$_"} @$chars;
134 push @{$d {IsPrint}} => map {$class =~ /^([LMNPS]|Co|Zs)/
135 ? $_ : "!$_"} @$chars;
136 push @{$d {IsLower}} => map {$class =~ /^Ll$/ ? $_ : "!$_"} @$chars;
137 push @{$d {IsUpper}} => map {$class =~ /^L[ut]/ ? $_ : "!$_"} @$chars;
138 push @{$d {IsPunct}} => map {$class =~ /^P/ ? $_ : "!$_"} @$chars;
139 push @{$d {IsWord}} => map {$class =~ /^[LMN]/ || $_ eq "_"
140 ? $_ : "!$_"} @$chars;
141 push @{$d {IsSpace}} => map {$class =~ /^Z/ ||
142 length ($_) == 1 && ord ($_) >= 0x09
143 && ord ($_) <= 0x0D
144 ? $_ : "!$_"} @$chars;
145}
146
147delete $d {IsASCII} if $IS_EBCDIC;
148
149push @CLASSES => "# Short properties" => %SHORT_PROPERTIES,
150 "# POSIX like properties" => %d,
151 "# User defined properties" => @USER_DEFINED_PROPERTIES;
152
153
154#
155# Calculate the number of tests.
156#
157my $count = 0;
158for (my $i = 0; $i < @CLASSES; $i += 2) {
159 $i ++, redo if $CLASSES [$i] =~ /^\h*#\h*(.*)/;
160 $count += (length $CLASSES [$i] == 1 ? 4 : 2) * @{$CLASSES [$i + 1]};
161}
162$count += 2 * @ILLEGAL_PROPERTIES;
163$count += 2 * grep {length $_ == 1} @ILLEGAL_PROPERTIES;
164
165my $tests = 0;
166
167say "1..$count";
168
169run_tests unless caller ();
170
171sub match {
172 my ($char, $match, $nomatch) = @_;
173
174 my ($str, $name);
175
176 given ($char) {
177 when (/^\\/) {
178 $str = eval qq ["$char"];
179 $name = qq ["$char"];
180 }
181 when (/^0x([0-9A-Fa-f]+)$/) {
182 $str = chr hex $1;
183 $name = "chr ($char)";
184 }
185 default {
186 $str = $char;
187 $name = qq ["$char"];
188 }
189 }
190
191 print "not " unless $str =~ /$match/;
192 print "ok ", ++ $tests, " - $name =~ /$match/\n";
193 print "not " unless $str !~ /$nomatch/;
194 print "ok ", ++ $tests, " - $name !~ /$nomatch/\n";
195}
196
197sub run_tests {
198
199 while (@CLASSES) {
200 my $class = shift @CLASSES;
201 if ($class =~ /^\h*#\h*(.*)/) {
202 print "# $1\n";
203 next;
204 }
205 last unless @CLASSES;
206 my $chars = shift @CLASSES;
207 my @in = grep {!/^!./} @$chars;
208 my @out = map {s/^!(?=.)//; $_} grep { /^!./} @$chars;
209 my $in_pat = eval qq ['\\p{$class}'];
210 my $out_pat = eval qq ['\\P{$class}'];
211
212 match $_, $in_pat, $out_pat for @in;
213 match $_, $out_pat, $in_pat for @out;
214
215 if (1 == length $class) {
216 my $in_pat = eval qq ['\\p$class'];
217 my $out_pat = eval qq ['\\P$class'];
218
219 match $_, $in_pat, $out_pat for @in;
220 match $_, $out_pat, $in_pat for @out;
221 }
222 }
223
224
225 my $pat = qr /^Can't find Unicode property definition/;
226 print "# Illegal properties\n";
227 foreach my $p (@ILLEGAL_PROPERTIES) {
228 undef $@;
229 my $r = eval "'a' =~ /\\p{$p}/; 1";
230 print "not " unless !$r && $@ && $@ =~ $pat;
231 print "ok ", ++ $tests, " - Unknown Unicode property \\p{$p}\n";
232 undef $@;
233 my $s = eval "'a' =~ /\\P{$p}/; 1";
234 print "not " unless !$s && $@ && $@ =~ $pat;
235 print "ok ", ++ $tests, " - Unknown Unicode property \\P{$p}\n";
236 if (length $p == 1) {
237 undef $@;
238 my $r = eval "'a' =~ /\\p$p/; 1";
239 print "not " unless !$r && $@ && $@ =~ $pat;
240 print "ok ", ++ $tests, " - Unknown Unicode property \\p$p\n";
241 undef $@;
242 my $s = eval "'a' =~ /\\P$p/; 1";
243 print "not " unless !$s && $@ && $@ =~ $pat;
244 print "ok ", ++ $tests, " - Unknown Unicode property \\P$p\n";
245 }
246 }
247}
248
249
250#
251# User defined properties
252#
253
254sub InKana1 {<<'--'}
2553040 309F
25630A0 30FF
257--
258
259sub InKana2 {<<'--'}
260+utf8::InHiragana
261+utf8::InKatakana
262--
263
264sub InKana3 {<<'--'}
265+utf8::InHiragana
266+utf8::InKatakana
267-utf8::IsCn
268--
269
270sub InNotKana {<<'--'}
271!utf8::InHiragana
272-utf8::InKatakana
273+utf8::IsCn
274--
275
276sub InConsonant {<<'--'} # Not EBCDIC-aware.
2770061 007f
278-0061
279-0065
280-0069
281-006f
282-0075
283--
284
285sub IsSyriac1 {<<'--'}
2860712 072C
2870730 074A
288--
289
290sub Syriac1 {<<'--'}
2910712 072C
2920730 074A
293--
294
295sub InGreekSmall {return "03B1\t03C9"}
296sub InGreekCapital {return "0391\t03A9\n-03A2"}
297
298sub AsciiHexAndDash {<<'--'}
299+utf8::ASCII_Hex_Digit
300+utf8::Dash
301--
302
303__END__