UCD.t revision 1.5
1#!perl -w
2BEGIN {
3    $::IS_ASCII = (ord("A") == 65) ? 1 : 0;
4    $::IS_EBCDIC = (ord("A") == 193) ? 1 : 0;
5    chdir 't' if -d 't';
6    @INC = '../lib';
7    require Config; import Config;
8    if ($Config{'extensions'} !~ /\bStorable\b/) {
9        print "1..0 # Skip: Storable was not built; Unicode::UCD uses Storable\n";
10        exit 0;
11    }
12}
13
14my @warnings;
15local $SIG{__WARN__} = sub { push @warnings, @_  };
16
17use strict;
18use Test::More;
19
20use Unicode::UCD qw(charinfo charprop charprops_all);
21
22my $expected_version = '13.0.0';
23my $current_version = Unicode::UCD::UnicodeVersion;
24my $v_unicode_version = pack "C*", split /\./, $current_version;
25my $unknown_script = ($v_unicode_version lt v5.0.0)
26                     ? 'Common'
27                     : 'Unknown';
28my $input_record_separator = 7; # Make sure Unicode::UCD isn't affected by
29$/ = $input_record_separator;   # setting this.
30
31my $charinfo;
32
33is(charinfo(0x110000), undef, "Verify charinfo() of non-unicode is undef");
34if ($v_unicode_version ge v3.2.0) {
35    is(lc charprop(0x110000, 'age'), lc "Unassigned", "Verify charprop(age) of non-unicode is Unassigned");
36    is(charprop(0x110000, 'in'), "Unassigned", "Verify charprop(in), a bipartite Perl extension, works");
37}
38is(charprop(0x110000, 'Any'), undef, "Verify charprop of non-bipartite Perl extension returns undef");
39
40my $cp = 0;
41$charinfo = charinfo($cp);    # Null is often problematic, so test it.
42
43is($charinfo->{code},           "0000",
44                        "Next tests are for charinfo and charprop; first NULL");
45is($charinfo->{name},           "<control>");
46is(charprop($cp, "name"),       "");
47
48if ($v_unicode_version ge v6.1.0) {
49    # This gets a sl-type property returning a flattened list
50    is(charprop($cp, "name_alias"), "NULL: control,NUL: abbreviation");
51}
52is($charinfo->{category},       "Cc");
53is(charprop($cp, "category"),   "Control");
54is($charinfo->{combining},      "0");
55is(charprop($cp, "ccc"),        "Not_Reordered");
56is($charinfo->{bidi},           "BN");
57is(charprop($cp, "bc"),         "Boundary_Neutral");
58is($charinfo->{decomposition},  "");
59is(charprop($cp, "dm"),         "\0");
60is($charinfo->{decimal},        "");
61is($charinfo->{digit},          "");
62is($charinfo->{numeric},        "");
63is(charprop($cp, "nv"),         "NaN");
64is($charinfo->{mirrored},       "N");
65is(charprop($cp, "bidim"),      "No");
66is($charinfo->{unicode10},      "NULL");
67is(charprop($cp, "na1"),        "NULL");
68is($charinfo->{comment},        "");
69is(charprop($cp, "isc"),        "");
70is($charinfo->{upper},          "");
71is(charprop($cp, "uc"),         "\0");
72is($charinfo->{lower},          "");
73is(charprop($cp, "lc"),         "\0");
74is($charinfo->{title},          "");
75is(charprop($cp, "tc"),         "\0");
76is($charinfo->{block},          "Basic Latin");
77is(charprop($cp, "block"),      "Basic_Latin");
78is($charinfo->{script},         "Common") if $v_unicode_version gt v3.0.1;
79is(charprop($cp, "script"),     "Common") if $v_unicode_version gt v3.0.1;
80
81$cp = utf8::unicode_to_native(0x41);
82my $A_code = sprintf("%04X", ord("A"));
83my $a_code = sprintf("%04X", ord("a"));
84$charinfo = charinfo($cp);
85
86is($charinfo->{code},           $A_code, "LATIN CAPITAL LETTER A");
87is($charinfo->{name},           "LATIN CAPITAL LETTER A");
88is(charprop($cp, 'name'),       "LATIN CAPITAL LETTER A");
89is($charinfo->{category},       "Lu");
90is(charprop($cp, 'gc'),         "Uppercase_Letter");
91is($charinfo->{combining},      "0");
92is(charprop($cp, 'ccc'),        "Not_Reordered");
93is($charinfo->{bidi},           "L");
94is(charprop($cp, 'bc'),         "Left_To_Right");
95is($charinfo->{decomposition},  "");
96is(charprop($cp, 'dm'),         "A");
97is($charinfo->{decimal},        "");
98is($charinfo->{digit},          "");
99is($charinfo->{numeric},        "");
100is(charprop($cp, 'nv'),        "NaN");
101is($charinfo->{mirrored},       "N");
102is(charprop($cp, 'bidim'),      "No");
103is($charinfo->{unicode10},      "");
104is(charprop($cp, 'na1'),        "");
105is($charinfo->{comment},        "");
106is(charprop($cp, 'isc'),        "");
107is($charinfo->{upper},          "");
108is(charprop($cp, 'uc'),         "A");
109is($charinfo->{lower},          $a_code);
110is(charprop($cp, 'lc'),         "a");
111is($charinfo->{title},          "");
112is(charprop($cp, 'tc'),         "A");
113is($charinfo->{block},          "Basic Latin");
114is(charprop($cp, 'block'),      "Basic_Latin");
115is($charinfo->{script},         "Latin") if $v_unicode_version gt v3.0.1;
116is(charprop($cp, 'script'),     "Latin") if $v_unicode_version gt v3.0.1;
117
118$cp = 0x100;
119$charinfo = charinfo($cp);
120
121is($charinfo->{code},           "0100", "LATIN CAPITAL LETTER A WITH MACRON");
122is($charinfo->{name},           "LATIN CAPITAL LETTER A WITH MACRON");
123is(charprop($cp, 'name'),       "LATIN CAPITAL LETTER A WITH MACRON");
124is($charinfo->{category},       "Lu");
125is(charprop($cp, 'gc'),         "Uppercase_Letter");
126is($charinfo->{combining},      "0");
127is(charprop($cp, 'ccc'),        "Not_Reordered");
128is($charinfo->{bidi},           "L");
129is(charprop($cp, 'bc'),         "Left_To_Right");
130is($charinfo->{decomposition},  "$A_code 0304");
131is(charprop($cp, 'dm'),         "A\x{0304}");
132is($charinfo->{decimal},        "");
133is($charinfo->{digit},          "");
134is($charinfo->{numeric},        "");
135is(charprop($cp, 'nv'),         "NaN");
136is($charinfo->{mirrored},       "N");
137is(charprop($cp, 'bidim'),      "No");
138is($charinfo->{unicode10},      "LATIN CAPITAL LETTER A MACRON");
139is(charprop($cp, 'na1'),        "LATIN CAPITAL LETTER A MACRON");
140is($charinfo->{comment},        "");
141is(charprop($cp, 'isc'),        "");
142is($charinfo->{upper},          "");
143is(charprop($cp, 'uc'),         "\x{100}");
144is($charinfo->{lower},          "0101");
145is(charprop($cp, 'lc'),         "\x{101}");
146is($charinfo->{title},          "");
147is(charprop($cp, 'tc'),         "\x{100}");
148is($charinfo->{block},          "Latin Extended-A");
149is(charprop($cp, 'block'),      "Latin_Extended_A");
150is($charinfo->{script},         "Latin") if $v_unicode_version gt v3.0.1;
151is(charprop($cp, 'script'),     "Latin") if $v_unicode_version gt v3.0.1;
152
153$cp = 0x590;               # 0x0590 is in the Hebrew block but unused.
154$charinfo = charinfo($cp);
155
156is($charinfo->{code},           undef,	"0x0590 - unused Hebrew");
157is($charinfo->{name},           undef);
158is(charprop($cp, 'name'),       "");
159is($charinfo->{category},       undef);
160is(charprop($cp, 'gc'),         "Unassigned");
161is($charinfo->{combining},      undef);
162is(charprop($cp, 'ccc'),        "Not_Reordered");
163is($charinfo->{bidi},           undef);
164if ($v_unicode_version gt v3.2.0) {
165    is(charprop($cp, 'bc'),         "Right_To_Left");
166}
167is($charinfo->{decomposition},  undef);
168is(charprop($cp, 'dm'),         "\x{590}");
169is($charinfo->{decimal},        undef);
170is($charinfo->{digit},          undef);
171is($charinfo->{numeric},        undef);
172is(charprop($cp, 'nv'),         "NaN");
173is($charinfo->{mirrored},       undef);
174is(charprop($cp, 'bidim'),      "No");
175is($charinfo->{unicode10},      undef);
176is(charprop($cp, 'na1'),        "");
177is($charinfo->{comment},        undef);
178is(charprop($cp, 'isc'),        "");
179is($charinfo->{upper},          undef);
180is(charprop($cp, 'uc'),         "\x{590}");
181is($charinfo->{lower},          undef);
182is(charprop($cp, 'lc'),         "\x{590}");
183is($charinfo->{title},          undef);
184is(charprop($cp, 'tc'),         "\x{590}");
185is($charinfo->{block},          undef);
186is(charprop($cp, 'block'),      "Hebrew");
187is($charinfo->{script},         undef);
188is(charprop($cp, 'script'),     $unknown_script) if $v_unicode_version gt
189v3.0.1;
190
191# 0x05d0 is in the Hebrew block and used.
192
193$cp = 0x5d0;
194$charinfo = charinfo($cp);
195
196is($charinfo->{code},           "05D0", "05D0 - used Hebrew");
197is($charinfo->{name},           "HEBREW LETTER ALEF");
198is(charprop($cp, 'name'),       "HEBREW LETTER ALEF");
199is($charinfo->{category},       "Lo");
200is(charprop($cp, 'gc'),         "Other_Letter");
201is($charinfo->{combining},      "0");
202is(charprop($cp, 'ccc'),        "Not_Reordered");
203is($charinfo->{bidi},           "R");
204is(charprop($cp, 'bc'),         "Right_To_Left");
205is($charinfo->{decomposition},  "");
206is(charprop($cp, 'dm'),         "\x{5d0}");
207is($charinfo->{decimal},        "");
208is($charinfo->{digit},          "");
209is($charinfo->{numeric},        "");
210is(charprop($cp, 'nv'),         "NaN");
211is($charinfo->{mirrored},       "N");
212is(charprop($cp, 'bidim'),      "No");
213is($charinfo->{unicode10},      "");
214is(charprop($cp, 'na1'),        "");
215is($charinfo->{comment},        "");
216is(charprop($cp, 'isc'),        "");
217is($charinfo->{upper},          "");
218is(charprop($cp, 'uc'),         "\x{5d0}");
219is($charinfo->{lower},          "");
220is(charprop($cp, 'lc'),         "\x{5d0}");
221is($charinfo->{title},          "");
222is(charprop($cp, 'tc'),         "\x{5d0}");
223is($charinfo->{block},          "Hebrew");
224is(charprop($cp, 'block'),      "Hebrew");
225is($charinfo->{script},         "Hebrew") if $v_unicode_version gt v3.0.1;
226is(charprop($cp, 'script'),     "Hebrew") if $v_unicode_version gt v3.0.1;
227
228# An open syllable in Hangul.
229
230$cp = 0xAC00;
231$charinfo = charinfo($cp);
232
233is($charinfo->{code},           "AC00", "HANGUL SYLLABLE U+AC00");
234is($charinfo->{name},           "HANGUL SYLLABLE GA");
235is(charprop($cp, 'name'),       "HANGUL SYLLABLE GA");
236is($charinfo->{category},       "Lo");
237is(charprop($cp, 'gc'),         "Other_Letter");
238is($charinfo->{combining},      "0");
239is(charprop($cp, 'ccc'),        "Not_Reordered");
240is($charinfo->{bidi},           "L");
241is(charprop($cp, 'bc'),         "Left_To_Right");
242is($charinfo->{decomposition},  "1100 1161");
243is(charprop($cp, 'dm'),         "\x{1100}\x{1161}");
244is($charinfo->{decimal},        "");
245is($charinfo->{digit},          "");
246is($charinfo->{numeric},        "");
247is(charprop($cp, 'nv'),         "NaN");
248is($charinfo->{mirrored},       "N");
249is(charprop($cp, 'bidim'),      "No");
250is($charinfo->{unicode10},      "");
251is(charprop($cp, 'na1'),        "");
252is($charinfo->{comment},        "");
253is(charprop($cp, 'isc'),        "");
254is($charinfo->{upper},          "");
255is(charprop($cp, 'uc'),         "\x{AC00}");
256is($charinfo->{lower},          "");
257is(charprop($cp, 'lc'),         "\x{AC00}");
258is($charinfo->{title},          "");
259is(charprop($cp, 'tc'),         "\x{AC00}");
260is($charinfo->{block},          "Hangul Syllables");
261is(charprop($cp, 'block'),      "Hangul_Syllables");
262is($charinfo->{script},         "Hangul") if $v_unicode_version gt v3.0.1;
263is(charprop($cp, 'script'),     "Hangul") if $v_unicode_version gt v3.0.1;
264
265# A closed syllable in Hangul.
266
267$cp = 0xAE00;
268$charinfo = charinfo($cp);
269
270is($charinfo->{code},           "AE00", "HANGUL SYLLABLE U+AE00");
271is($charinfo->{name},           "HANGUL SYLLABLE GEUL");
272is(charprop($cp, 'name'),       "HANGUL SYLLABLE GEUL");
273is($charinfo->{category},       "Lo");
274is(charprop($cp, 'gc'),         "Other_Letter");
275is($charinfo->{combining},      "0");
276is(charprop($cp, 'ccc'),        "Not_Reordered");
277is($charinfo->{bidi},           "L");
278is(charprop($cp, 'bc'),         "Left_To_Right");
279is($charinfo->{decomposition},  "1100 1173 11AF");
280is(charprop($cp, 'dm'),         "\x{1100}\x{1173}\x{11AF}");
281is($charinfo->{decimal},        "");
282is($charinfo->{digit},          "");
283is($charinfo->{numeric},        "");
284is(charprop($cp, 'nv'),         "NaN");
285is($charinfo->{mirrored},       "N");
286is(charprop($cp, 'bidim'),      "No");
287is($charinfo->{unicode10},      "");
288is(charprop($cp, 'na1'),        "");
289is($charinfo->{comment},        "");
290is(charprop($cp, 'isc'),        "");
291is($charinfo->{upper},          "");
292is(charprop($cp, 'uc'),         "\x{AE00}");
293is($charinfo->{lower},          "");
294is(charprop($cp, 'lc'),         "\x{AE00}");
295is($charinfo->{title},          "");
296is(charprop($cp, 'tc'),         "\x{AE00}");
297is($charinfo->{block},          "Hangul Syllables");
298is(charprop($cp, 'block'),      "Hangul_Syllables");
299is($charinfo->{script},         "Hangul") if $v_unicode_version gt v3.0.1;
300is(charprop($cp, 'script'),     "Hangul") if $v_unicode_version gt v3.0.1;
301
302if ($v_unicode_version gt v3.0.1) {
303    $cp = 0x1D400;
304    $charinfo = charinfo($cp);
305
306    is($charinfo->{code},           "1D400", "MATHEMATICAL BOLD CAPITAL A");
307    is($charinfo->{name},           "MATHEMATICAL BOLD CAPITAL A");
308    is(charprop($cp, 'name'),       "MATHEMATICAL BOLD CAPITAL A");
309    is($charinfo->{category},       "Lu");
310    is(charprop($cp, 'gc'),         "Uppercase_Letter");
311    is($charinfo->{combining},      "0");
312    is(charprop($cp, 'ccc'),        "Not_Reordered");
313    is($charinfo->{bidi},           "L");
314    is(charprop($cp, 'bc'),         "Left_To_Right");
315    is($charinfo->{decomposition},  "<font> $A_code");
316    is(charprop($cp, 'dm'),         "A");
317    is($charinfo->{decimal},        "");
318    is($charinfo->{digit},          "");
319    is($charinfo->{numeric},        "");
320    is(charprop($cp, 'nv'),         "NaN");
321    is($charinfo->{mirrored},       "N");
322    is(charprop($cp, 'bidim'),      "No");
323    is($charinfo->{unicode10},      "");
324    is(charprop($cp, 'na1'),        "");
325    is($charinfo->{comment},        "");
326    is(charprop($cp, 'isc'),        "");
327    is($charinfo->{upper},          "");
328    is(charprop($cp, 'uc'),         "\x{1D400}");
329    is($charinfo->{lower},          "");
330    is(charprop($cp, 'lc'),         "\x{1D400}");
331    is($charinfo->{title},          "");
332    is(charprop($cp, 'tc'),         "\x{1D400}");
333    is($charinfo->{block},          "Mathematical Alphanumeric Symbols");
334    is(charprop($cp, 'block'),      "Mathematical_Alphanumeric_Symbols");
335    is($charinfo->{script},         "Common");
336    is(charprop($cp, 'script'),     "Common");
337}
338
339if ($v_unicode_version ge v4.1.0) {
340    $cp = 0x9FBA;	                #Bug 58428
341    $charinfo = charinfo(0x9FBA);
342
343    is($charinfo->{code},           "9FBA", "U+9FBA");
344    is($charinfo->{name},           "CJK UNIFIED IDEOGRAPH-9FBA");
345    is(charprop($cp, 'name'),       "CJK UNIFIED IDEOGRAPH-9FBA");
346    is($charinfo->{category},       "Lo");
347    is(charprop($cp, 'gc'),         "Other_Letter");
348    is($charinfo->{combining},      "0");
349    is(charprop($cp, 'ccc'),        "Not_Reordered");
350    is($charinfo->{bidi},           "L");
351    is(charprop($cp, 'bc'),         "Left_To_Right");
352    is($charinfo->{decomposition},  "");
353    is(charprop($cp, 'dm'),         "\x{9FBA}");
354    is($charinfo->{decimal},        "");
355    is($charinfo->{digit},          "");
356    is($charinfo->{numeric},        "");
357    is(charprop($cp, 'nv'),         "NaN");
358    is($charinfo->{mirrored},       "N");
359    is(charprop($cp, 'bidim'),      "No");
360    is($charinfo->{unicode10},      "");
361    is(charprop($cp, 'na1'),        "");
362    is($charinfo->{comment},        "");
363    is(charprop($cp, 'isc'),        "");
364    is($charinfo->{upper},          "");
365    is(charprop($cp, 'uc'),         "\x{9FBA}");
366    is($charinfo->{lower},          "");
367    is(charprop($cp, 'lc'),         "\x{9FBA}");
368    is($charinfo->{title},          "");
369    is(charprop($cp, 'tc'),         "\x{9FBA}");
370    is($charinfo->{block},          "CJK Unified Ideographs");
371    is(charprop($cp, 'block'),      "CJK_Unified_Ideographs");
372    is($charinfo->{script},         "Han");
373    is(charprop($cp, 'script'),     "Han");
374}
375
376use Unicode::UCD qw(charblock charscript);
377
378# 0x0590 is in the Hebrew block but unused.
379
380is(charblock(0x590),          "Hebrew", "0x0590 - Hebrew unused charblock");
381is(charscript(0x590),         $unknown_script, "0x0590 - Hebrew unused charscript") if $v_unicode_version gt v3.0.1;
382is(charblock(0x1FFFF),        "No_Block", "0x1FFFF - unused charblock");
383
384{
385    my @warnings;
386    local $SIG{__WARN__} = sub { push @warnings, @_  };
387    is(charblock(chr(0x6237)), undef,
388        "Verify charblock of non-code point returns <undef>");
389    cmp_ok(scalar @warnings, '==', 1, "  ... and generates 1 warning");
390    like($warnings[0], qr/unknown code/, "  ... with the right text");
391}
392
393my $fraction_3_4_code = sprintf("%04X", utf8::unicode_to_native(0xbe));
394$cp = $fraction_3_4_code;
395$charinfo = charinfo($fraction_3_4_code);
396
397is($charinfo->{code},           $fraction_3_4_code, "VULGAR FRACTION THREE QUARTERS");
398is($charinfo->{name},           "VULGAR FRACTION THREE QUARTERS");
399is(charprop($cp, 'name'),       "VULGAR FRACTION THREE QUARTERS");
400is($charinfo->{category},       "No");
401is(charprop($cp, 'gc'),         "Other_Number");
402is($charinfo->{combining},      "0");
403is(charprop($cp, 'ccc'),        "Not_Reordered");
404is($charinfo->{bidi},           "ON");
405is(charprop($cp, 'bc'),         "Other_Neutral");
406is($charinfo->{decomposition},  "<fraction> "
407                                . sprintf("%04X", ord "3")
408                                . " 2044 "
409                                . sprintf("%04X", ord "4"));
410is(charprop($cp, 'dm'),         "3\x{2044}4");
411is($charinfo->{decimal},        "");
412is($charinfo->{digit},          "");
413is($charinfo->{numeric},        "3/4");
414is(charprop($cp, 'nv'),        "0.75");
415is($charinfo->{mirrored},       "N");
416is(charprop($cp, 'bidim'),      "No");
417is($charinfo->{unicode10},      "FRACTION THREE QUARTERS");
418is(charprop($cp, 'na1'),        "FRACTION THREE QUARTERS");
419is($charinfo->{comment},        "");
420is(charprop($cp, 'isc'),        "");
421is($charinfo->{upper},          "");
422is(charprop($cp, 'uc'),         chr hex $cp);
423is($charinfo->{lower},          "");
424is(charprop($cp, 'lc'),         chr hex $cp);
425is($charinfo->{title},          "");
426is(charprop($cp, 'tc'),         chr hex $cp);
427is($charinfo->{block},          "Latin-1 Supplement");
428is(charprop($cp, 'block'),      "Latin_1_Supplement");
429is($charinfo->{script},         "Common") if $v_unicode_version gt v3.0.1;
430is(charprop($cp, 'script'),     "Common") if $v_unicode_version gt v3.0.1;
431
432# This is to test a case where both simple and full lowercases exist and
433# differ
434$cp = 0x130;
435$charinfo = charinfo($cp);
436my $I_code = sprintf("%04X", ord("I"));
437my $i_code = sprintf("%04X", ord("i"));
438
439is($charinfo->{code},           "0130", "LATIN CAPITAL LETTER I WITH DOT ABOVE");
440is($charinfo->{name},           "LATIN CAPITAL LETTER I WITH DOT ABOVE");
441is(charprop($cp, 'name'),       "LATIN CAPITAL LETTER I WITH DOT ABOVE");
442is($charinfo->{category},       "Lu");
443is(charprop($cp, 'gc'),         "Uppercase_Letter");
444is($charinfo->{combining},      "0");
445is(charprop($cp, 'ccc'),        "Not_Reordered");
446is($charinfo->{bidi},           "L");
447is(charprop($cp, 'bc'),         "Left_To_Right");
448is($charinfo->{decomposition},  "$I_code 0307");
449is(charprop($cp, 'dm'),         "I\x{0307}");
450is($charinfo->{decimal},        "");
451is($charinfo->{digit},          "");
452is($charinfo->{numeric},        "");
453is(charprop($cp, 'nv'),         "NaN");
454is($charinfo->{mirrored},       "N");
455is(charprop($cp, 'bidim'),      "No");
456is($charinfo->{unicode10},      "LATIN CAPITAL LETTER I DOT");
457is(charprop($cp, 'na1'),        "LATIN CAPITAL LETTER I DOT");
458is($charinfo->{comment},        "");
459is(charprop($cp, 'isc'),        "");
460is($charinfo->{upper},          "");
461is(charprop($cp, 'uc'),         "\x{130}");
462is($charinfo->{lower},          $i_code);
463is(charprop($cp, 'lc'),         "i\x{307}") if $v_unicode_version ge v3.2.0;
464is($charinfo->{title},          "");
465is(charprop($cp, 'tc'),         "\x{130}");
466is($charinfo->{block},          "Latin Extended-A");
467is(charprop($cp, 'block'),      "Latin_Extended_A");
468is($charinfo->{script},         "Latin") if $v_unicode_version gt v3.0.1;
469is(charprop($cp, 'script'),     "Latin") if $v_unicode_version gt v3.0.1;
470
471# This is to test a case where both simple and full uppercases exist and
472# differ
473$cp = 0x1F80;
474$charinfo = charinfo($cp);
475
476is($charinfo->{code},           "1F80", "GREEK SMALL LETTER ALPHA WITH PSILI AND YPOGEGRAMMENI");
477is($charinfo->{name},           "GREEK SMALL LETTER ALPHA WITH PSILI AND YPOGEGRAMMENI");
478is(charprop($cp, "name"),       "GREEK SMALL LETTER ALPHA WITH PSILI AND YPOGEGRAMMENI");
479is($charinfo->{category},       "Ll");
480is(charprop($cp, "gc"),         "Lowercase_Letter");
481is($charinfo->{combining},      "0");
482is(charprop($cp, "ccc"),        "Not_Reordered");
483is($charinfo->{bidi},           "L");
484is(charprop($cp, "bc"),         "Left_To_Right");
485is($charinfo->{decomposition},  "1F00 0345");
486is(charprop($cp, "dm"),         "\x{1F00}\x{0345}");
487is($charinfo->{decimal},        "");
488is($charinfo->{digit},          "");
489is($charinfo->{numeric},        "");
490is(charprop($cp, "nv"),         "NaN");
491is($charinfo->{mirrored},       "N");
492is(charprop($cp, "bidim"),      "No");
493is($charinfo->{unicode10},      "");
494is(charprop($cp, "na1"),        "");
495is($charinfo->{comment},        "");
496is(charprop($cp, "isc"),        "");
497is($charinfo->{upper},          "1F88");
498is(charprop($cp, "uc"),         "\x{1F08}\x{0399}");
499is(charprop($cp, "suc"),        "\x{1F88}");
500is($charinfo->{lower},          "");
501is(charprop($cp, "lc"),         "\x{1F80}");
502is($charinfo->{title},          "1F88");
503is(charprop($cp, "tc"),         "\x{1F88}");
504is($charinfo->{block},          "Greek Extended");
505is(charprop($cp, "block"),      "Greek_Extended");
506is($charinfo->{script},         "Greek") if $v_unicode_version gt v3.0.1;
507is(charprop($cp, "script"),     "Greek") if $v_unicode_version gt v3.0.1;
508
509is(charprop(ord("A"), "foo"),    undef,
510                        "Verify charprop of unknown property returns <undef>");
511
512# These were created from inspection of the code to exercise the branches
513if ($v_unicode_version ge v6.3.0) {
514    is(charprop(ord("("), "bpb"),    ")",
515            "Verify charprop figures out that s-type properties can be char");
516}
517is(charprop(ord("9"), "nv"),     9,
518                            "Verify charprop can adjust an ar-type property");
519if ($v_unicode_version ge v5.2.0) {
520    is(charprop(utf8::unicode_to_native(0xAD), "NFKC_Casefold"), "",
521                    "Verify charprop can handle an \"\" in ae-type property");
522}
523
524my $mark_props_ref = charprops_all(0x300);
525is($mark_props_ref->{'Bidi_Class'}, "Nonspacing_Mark",
526                                    "Next tests are charprops_all of 0x300");
527is($mark_props_ref->{'Bidi_Mirrored'}, "No");
528is($mark_props_ref->{'Canonical_Combining_Class'}, "Above");
529is($mark_props_ref->{'Case_Folding'}, "\x{300}");
530is($mark_props_ref->{'Decomposition_Mapping'}, "\x{300}");
531is($mark_props_ref->{'Decomposition_Type'}, ($v_unicode_version le v4.0.0)
532                                             ? "none"
533                                             : "None");
534is($mark_props_ref->{'General_Category'}, "Nonspacing_Mark");
535if ($v_unicode_version gt v5.1.0) {
536    is($mark_props_ref->{'ISO_Comment'}, "");
537}
538is($mark_props_ref->{'Lowercase_Mapping'}, "\x{300}");
539is($mark_props_ref->{'Name'}, "COMBINING GRAVE ACCENT");
540is($mark_props_ref->{'Numeric_Type'}, "None");
541is($mark_props_ref->{'Numeric_Value'}, "NaN");
542is($mark_props_ref->{'Simple_Case_Folding'}, "\x{300}");
543is($mark_props_ref->{'Simple_Lowercase_Mapping'}, "\x{300}");
544is($mark_props_ref->{'Simple_Titlecase_Mapping'}, "\x{300}");
545is($mark_props_ref->{'Simple_Uppercase_Mapping'}, "\x{300}");
546is($mark_props_ref->{'Titlecase_Mapping'}, "\x{300}");
547is($mark_props_ref->{'Unicode_1_Name'}, "NON-SPACING GRAVE");
548is($mark_props_ref->{'Uppercase_Mapping'}, "\x{300}");
549
550use Unicode::UCD qw(charblocks charscripts);
551
552my $charblocks = charblocks();
553
554ok(exists $charblocks->{Thai}, 'Thai charblock exists');
555is($charblocks->{Thai}->[0]->[0], hex('0e00'));
556ok(!exists $charblocks->{PigLatin}, 'PigLatin charblock does not exist');
557
558if ($v_unicode_version gt v3.0.1) {
559    my $charscripts = charscripts();
560
561    ok(exists $charscripts->{Armenian}, 'Armenian charscript exists');
562    is($charscripts->{Armenian}->[0]->[0], hex('0531'));
563    ok(!exists $charscripts->{PigLatin}, 'PigLatin charscript does not exist');
564
565    my $charscript;
566
567    $charscript = charscript("12ab");
568    is($charscript, 'Ethiopic', 'Ethiopic charscript');
569
570    $charscript = charscript("0x12ab");
571    is($charscript, 'Ethiopic');
572
573    $charscript = charscript("U+12ab");
574    is($charscript, 'Ethiopic');
575
576    my $ranges;
577
578    if ($v_unicode_version gt v4.0.0) {
579        $ranges = charscript('Ogham');
580        is($ranges->[0]->[0], hex('1680'), 'Ogham charscript');
581        is($ranges->[0]->[1], hex('169C'));
582    }
583
584    use Unicode::UCD qw(charinrange);
585
586    $ranges = charscript('Cherokee');
587    ok(!charinrange($ranges, "139f"), 'Cherokee charscript');
588    ok( charinrange($ranges, "13a0"));
589    ok( charinrange($ranges, "13f4"));
590    ok(!charinrange($ranges, "13ff"));
591}
592
593use Unicode::UCD qw(general_categories);
594
595my $gc = general_categories();
596
597ok(exists $gc->{L}, 'has L');
598is($gc->{L}, 'Letter', 'L is Letter');
599is($gc->{Lu}, 'UppercaseLetter', 'Lu is UppercaseLetter');
600
601use Unicode::UCD qw(bidi_types);
602
603my $bt = bidi_types();
604
605ok(exists $bt->{L}, 'has L');
606is($bt->{L}, 'Left-to-Right', 'L is Left-to-Right');
607is($bt->{AL}, 'Right-to-Left Arabic', 'AL is Right-to-Left Arabic');
608
609# If this fails, then maybe one should look at the Unicode changes to see
610# what else might need to be updated.
611ok($current_version le $expected_version,
612                    "Verify there isn't a new Unicode version to upgrade to");
613
614use Unicode::UCD qw(compexcl);
615
616ok(!compexcl(0x0100), 'compexcl');
617ok(!compexcl(0xD801), 'compexcl of surrogate');
618ok(!compexcl(0x110000), 'compexcl of non-Unicode code point');
619ok( compexcl(0x0958));
620
621use Unicode::UCD qw(casefold);
622
623my $casefold;
624
625$casefold = casefold(utf8::unicode_to_native(0x41));
626
627is($casefold->{code}, $A_code, 'casefold native(0x41) code');
628is($casefold->{status}, 'C', 'casefold native(0x41) status');
629is($casefold->{mapping}, $a_code, 'casefold native(0x41) mapping');
630is($casefold->{full}, $a_code, 'casefold native(0x41) full');
631is($casefold->{simple}, $a_code, 'casefold native(0x41) simple');
632is($casefold->{turkic}, "", 'casefold native(0x41) turkic');
633
634my $sharp_s_code = sprintf("%04X", utf8::unicode_to_native(0xdf));
635my $S_code = sprintf("%04X", ord "S");
636my $s_code = sprintf("%04X", ord "s");
637
638if ($v_unicode_version gt v3.0.0) { # These special ones don't work on early
639                                    # perls
640    $casefold = casefold(utf8::unicode_to_native(0xdf));
641
642    is($casefold->{code}, $sharp_s_code, 'casefold native(0xDF) code');
643    is($casefold->{status}, 'F', 'casefold native(0xDF) status');
644    is($casefold->{mapping}, "$s_code $s_code", 'casefold native(0xDF) mapping');
645    is($casefold->{full}, "$s_code $s_code", 'casefold native(0xDF) full');
646    is($casefold->{simple}, "", 'casefold native(0xDF) simple');
647    is($casefold->{turkic}, "", 'casefold native(0xDF) turkic');
648
649    # Do different tests depending on if version < 3.2, or not.
650    if ($v_unicode_version eq v3.0.1) {
651            # In this release, there was no special Turkic values.
652            # Both 0x130 and 0x131 folded to 'i'.
653
654            $casefold = casefold(0x130);
655
656            is($casefold->{code}, '0130', 'casefold 0x130 code');
657            is($casefold->{status}, 'C' , 'casefold 0x130 status');
658            is($casefold->{mapping}, $i_code, 'casefold 0x130 mapping');
659            is($casefold->{full}, $i_code, 'casefold 0x130 full');
660            is($casefold->{simple}, $i_code, 'casefold 0x130 simple');
661            is($casefold->{turkic}, "", 'casefold 0x130 turkic');
662
663            $casefold = casefold(0x131);
664
665            is($casefold->{code}, '0131', 'casefold 0x131 code');
666            is($casefold->{status}, 'C' , 'casefold 0x131 status');
667            is($casefold->{mapping}, $i_code, 'casefold 0x131 mapping');
668            is($casefold->{full}, $i_code, 'casefold 0x131 full');
669            is($casefold->{simple}, $i_code, 'casefold 0x131 simple');
670            is($casefold->{turkic}, "", 'casefold 0x131 turkic');
671    }
672    elsif ($v_unicode_version lt v3.2.0) {
673            $casefold = casefold(0x130);
674
675            is($casefold->{code}, '0130', 'casefold 0x130 code');
676            is($casefold->{status}, 'I' , 'casefold 0x130 status');
677            is($casefold->{mapping}, $i_code, 'casefold 0x130 mapping');
678            is($casefold->{full}, $i_code, 'casefold 0x130 full');
679            is($casefold->{simple}, $i_code, 'casefold 0x130 simple');
680            is($casefold->{turkic}, $i_code, 'casefold 0x130 turkic');
681
682            $casefold = casefold(0x131);
683
684            is($casefold->{code}, '0131', 'casefold 0x131 code');
685            is($casefold->{status}, 'I' , 'casefold 0x131 status');
686            is($casefold->{mapping}, $i_code, 'casefold 0x131 mapping');
687            is($casefold->{full}, $i_code, 'casefold 0x131 full');
688            is($casefold->{simple}, $i_code, 'casefold 0x131 simple');
689            is($casefold->{turkic}, $i_code, 'casefold 0x131 turkic');
690    } else {
691            $casefold = casefold(utf8::unicode_to_native(0x49));
692
693            is($casefold->{code}, $I_code, 'casefold native(0x49) code');
694            is($casefold->{status}, 'C' , 'casefold native(0x49) status');
695            is($casefold->{mapping}, $i_code, 'casefold native(0x49) mapping');
696            is($casefold->{full}, $i_code, 'casefold native(0x49) full');
697            is($casefold->{simple}, $i_code, 'casefold native(0x49) simple');
698            is($casefold->{turkic}, "0131", 'casefold native(0x49) turkic');
699
700            $casefold = casefold(0x130);
701
702            is($casefold->{code}, '0130', 'casefold 0x130 code');
703            is($casefold->{status}, 'F' , 'casefold 0x130 status');
704            is($casefold->{mapping}, "$i_code 0307", 'casefold 0x130 mapping');
705            is($casefold->{full}, "$i_code 0307", 'casefold 0x130 full');
706            is($casefold->{simple}, "", 'casefold 0x130 simple');
707            is($casefold->{turkic}, $i_code, 'casefold 0x130 turkic');
708    }
709
710    if ($v_unicode_version gt v3.0.1) {
711        $casefold = casefold(0x1F88);
712
713        is($casefold->{code}, '1F88', 'casefold 0x1F88 code');
714        is($casefold->{status}, 'S' , 'casefold 0x1F88 status');
715        is($casefold->{mapping}, '1F80', 'casefold 0x1F88 mapping');
716        is($casefold->{full}, '1F00 03B9', 'casefold 0x1F88 full');
717        is($casefold->{simple}, '1F80', 'casefold 0x1F88 simple');
718        is($casefold->{turkic}, "", 'casefold 0x1F88 turkic');
719    }
720}
721
722ok(!casefold(utf8::unicode_to_native(0x20)));
723
724use Unicode::UCD qw(casespec);
725
726my $casespec;
727
728ok(!casespec(utf8::unicode_to_native(0x41)));
729
730$casespec = casespec(utf8::unicode_to_native(0xdf));
731
732ok($casespec->{code} eq $sharp_s_code &&
733   $casespec->{lower} eq $sharp_s_code  &&
734   $casespec->{title} eq "$S_code $s_code"  &&
735   $casespec->{upper} eq "$S_code $S_code" &&
736   !defined $casespec->{condition}, 'casespec native(0xDF)');
737
738$casespec = casespec(0x307);
739
740if ($v_unicode_version gt v3.1.0) {
741    ok($casespec->{az}->{code} eq '0307'
742    && !defined $casespec->{az}->{lower}
743    && $casespec->{az}->{title} eq '0307'
744    && $casespec->{az}->{upper} eq '0307'
745    && $casespec->{az}->{condition} eq ($v_unicode_version le v3.2)
746                                        ? 'az After_Soft_Dotted'
747                                        : 'az After_I',
748    'casespec 0x307');
749}
750
751# perl #7305 UnicodeCD::compexcl is weird
752
753for (1) {my $a=compexcl $_}
754ok(1, 'compexcl read-only $_: perl #7305');
755map {compexcl $_} %{{1=>2}};
756ok(1, 'compexcl read-only hash: perl #7305');
757
758is(Unicode::UCD::_getcode('123'),     123, "_getcode(123)");
759is(Unicode::UCD::_getcode('0123'),  0x123, "_getcode(0123)");
760is(Unicode::UCD::_getcode('0x123'), 0x123, "_getcode(0x123)");
761is(Unicode::UCD::_getcode('0X123'), 0x123, "_getcode(0X123)");
762is(Unicode::UCD::_getcode('U+123'), 0x123, "_getcode(U+123)");
763is(Unicode::UCD::_getcode('u+123'), 0x123, "_getcode(u+123)");
764is(Unicode::UCD::_getcode('U+1234'),   0x1234, "_getcode(U+1234)");
765is(Unicode::UCD::_getcode('U+12345'), 0x12345, "_getcode(U+12345)");
766is(Unicode::UCD::_getcode('123x'),    undef, "_getcode(123x)");
767is(Unicode::UCD::_getcode('x123'),    undef, "_getcode(x123)");
768is(Unicode::UCD::_getcode('0x123x'),  undef, "_getcode(x123)");
769is(Unicode::UCD::_getcode('U+123x'),  undef, "_getcode(x123)");
770
771SKIP:
772{
773    skip("Script property not in this release", 3) if $v_unicode_version lt v3.1.0;
774
775    {
776        my @warnings;
777        local $SIG{__WARN__} = sub { push @warnings, @_  };
778        is(charscript(chr(0x6237)), undef,
779           "Verify charscript of non-code point returns <undef>");
780        cmp_ok(scalar @warnings, '==', 1, "  ... and generates 1 warning");
781        like($warnings[0], qr/unknown code/, "  ... with the right text");
782    }
783
784    my $r1 = charscript('Latin');
785    if (ok(defined $r1, "Found Latin script")) {
786        skip("Latin range count will be wrong when using older Unicode release",
787             2) if $current_version lt $expected_version;
788        my $n1 = @$r1;
789        is($n1, 32, "number of ranges in Latin script (Unicode $expected_version)") if $::IS_ASCII;
790        shift @$r1 while @$r1;
791        my $r2 = charscript('Latin');
792        is(@$r2, $n1, "modifying results should not mess up internal caches");
793    }
794}
795
796{
797	is(charinfo(0xdeadbeef), undef, "[perl #23273] warnings in Unicode::UCD");
798}
799
800if ($v_unicode_version ge v4.1.0) {
801    use Unicode::UCD qw(namedseq);
802
803    is(namedseq("KATAKANA LETTER AINU P"), "\x{31F7}\x{309A}", "namedseq");
804    is(namedseq("KATAKANA LETTER AINU Q"), undef);
805    is(namedseq(), undef);
806    is(namedseq(qw(foo bar)), undef);
807    my @ns = namedseq("KATAKANA LETTER AINU P");
808    is(scalar @ns, 2);
809    is($ns[0], 0x31F7);
810    is($ns[1], 0x309A);
811    my %ns = namedseq();
812    is($ns{"KATAKANA LETTER AINU P"}, "\x{31F7}\x{309A}");
813    @ns = namedseq(42);
814    is(@ns, 0);
815}
816
817use Unicode::UCD qw(num);
818use charnames ();   # Don't use \N{} on things not in original Unicode
819                    # version; else will get a compilation error when this .t
820                    # is run on an older version.
821
822my $ret_len;
823is(num("0"), 0, 'Verify num("0") == 0');
824is(num("0", \$ret_len), 0, 'Verify num("0", \$ret_len) == 0');
825is($ret_len, 1, "... and the returned length is 1");
826ok(! defined num("", \$ret_len), 'Verify num("", \$ret_len) isnt defined');
827is($ret_len, 0, "... and the returned length is 0");
828ok(! defined num("A", \$ret_len), 'Verify num("A") isnt defined');
829is($ret_len, 0, "... and the returned length is 0");
830is(num("98765", \$ret_len), 98765, 'Verify num("98765") == 98765');
831is($ret_len, 5, "... and the returned length is 5");
832ok(! defined num("98765\N{FULLWIDTH DIGIT FOUR}", \$ret_len),
833   'Verify num("98765\N{FULLWIDTH DIGIT FOUR}") isnt defined');
834is($ret_len, 5, "... but the returned length is 5");
835my $tai_lue_2;
836if ($v_unicode_version ge v4.1.0) {
837    my $tai_lue_1 = charnames::string_vianame("NEW TAI LUE DIGIT ONE");
838    $tai_lue_2 = charnames::string_vianame("NEW TAI LUE DIGIT TWO");
839    is(num($tai_lue_2), 2, 'Verify num("\N{NEW TAI LUE DIGIT TWO}") == 2');
840    is(num($tai_lue_1), 1, 'Verify num("\N{NEW TAI LUE DIGIT ONE}") == 1');
841    is(num($tai_lue_2 . $tai_lue_1), 21,
842       'Verify num("\N{NEW TAI LUE DIGIT TWO}\N{NEW TAI LUE DIGIT ONE}") == 21');
843}
844if ($v_unicode_version ge v5.2.0) {
845    ok(! defined num($tai_lue_2
846         . charnames::string_vianame("NEW TAI LUE THAM DIGIT ONE"), \$ret_len),
847         'Verify num("\N{NEW TAI LUE DIGIT TWO}\N{NEW TAI LUE THAM DIGIT ONE}") isnt defined');
848    is($ret_len, 1, "... but the returned length is 1");
849    ok(! defined num(charnames::string_vianame("NEW TAI LUE THAM DIGIT ONE")
850                     .  $tai_lue_2, \$ret_len),
851         'Verify num("\N{NEW TAI LUE THAM DIGIT ONE}\N{NEW TAI LUE DIGIT TWO}") isnt defined');
852    is($ret_len, 1, "... but the returned length is 1");
853}
854if ($v_unicode_version ge v5.1.0) {
855    my $cham_0 = charnames::string_vianame("CHAM DIGIT ZERO");
856    is(num($cham_0 . charnames::string_vianame("CHAM DIGIT THREE")), 3,
857       'Verify num("\N{CHAM DIGIT ZERO}\N{CHAM DIGIT THREE}") == 3');
858    if ($v_unicode_version ge v5.2.0) {
859        ok(! defined num(  $cham_0
860                         . charnames::string_vianame("JAVANESE DIGIT NINE"),
861                         \$ret_len),
862        'Verify num("\N{CHAM DIGIT ZERO}\N{JAVANESE DIGIT NINE}") isnt defined');
863    is($ret_len, 1, "... but the returned length is 1");
864    }
865}
866is(num("\N{SUPERSCRIPT TWO}"), 2, 'Verify num("\N{SUPERSCRIPT TWO} == 2');
867if ($v_unicode_version ge v3.0.0) {
868    is(num(charnames::string_vianame("ETHIOPIC NUMBER TEN THOUSAND")), 10000,
869       'Verify num("\N{ETHIOPIC NUMBER TEN THOUSAND}") == 10000');
870}
871if ($v_unicode_version ge v5.2.0) {
872    is(num(charnames::string_vianame("NORTH INDIC FRACTION ONE HALF")),
873       .5,
874       'Verify num("\N{NORTH INDIC FRACTION ONE HALF}") == .5');
875    is(num("\N{U+12448}"), 9, 'Verify num("\N{U+12448}") == 9');
876}
877if ($v_unicode_version gt v3.2.0) { # Is missing from non-Unihan files before
878                                    # this
879    is(num("\N{U+5146}"), 1000000000000,
880                                'Verify num("\N{U+5146}") == 1000000000000');
881}
882
883# Create a user-defined property
884sub InKana {<<'END'}
8853040    309F
88630A0    30FF
887END
888
889use Unicode::UCD qw(prop_aliases);
890
891is(prop_aliases(undef), undef, "prop_aliases(undef) returns <undef>");
892is(prop_aliases("unknown property"), undef,
893                "prop_aliases(<unknown property>) returns <undef>");
894is(prop_aliases("InKana"), undef,
895                "prop_aliases(<user-defined property>) returns <undef>");
896is(prop_aliases("Perl_Decomposition_Mapping"), undef, "prop_aliases('Perl_Decomposition_Mapping') returns <undef> since internal-Perl-only");
897is(prop_aliases("Perl_Charnames"), undef,
898    "prop_aliases('Perl_Charnames') returns <undef> since internal-Perl-only");
899is(prop_aliases("isgc"), undef,
900    "prop_aliases('isgc') returns <undef> since is not covered Perl extension");
901is(prop_aliases("Is_Is_Any"), undef,
902                "prop_aliases('Is_Is_Any') returns <undef> since two is's");
903is(prop_aliases("ccc=vr"), undef,
904                          "prop_aliases('ccc=vr') doesn't generate a warning");
905
906# Keys are lists of properties. Values are defined if have been tested.
907my %props;
908
909# To test for loose matching, add in the characters that are ignored there.
910my $extra_chars = "-_ ";
911
912# The one internal property we accept
913$props{'Perl_Decimal_Digit'} = 1;
914my @list = prop_aliases("perldecimaldigit");
915is_deeply(\@list,
916          [ "Perl_Decimal_Digit",
917            "Perl_Decimal_Digit"
918          ], "prop_aliases('perldecimaldigit') returns Perl_Decimal_Digit as both short and full names");
919
920# Get the official Unicode property name synonyms and test them.
921
922SKIP: {
923skip "PropertyAliases.txt is not in this Unicode version", 1 if $v_unicode_version lt v3.2.0;
924open my $props, "<", "../lib/unicore/PropertyAliases.txt"
925                or die "Can't open Unicode PropertyAliases.txt";
926local $/ = "\n";
927while (<$props>) {
928    s/\s*#.*//;           # Remove comments
929    next if /^\s* $/x;    # Ignore empty and comment lines
930
931    chomp;
932    local $/ = $input_record_separator;
933    my $count = 0;  # 0th field in line is short name; 1th is long name
934    my $short_name;
935    my $full_name;
936    my @names_via_short;
937    foreach my $alias (split /\s*;\s*/) {    # Fields are separated by
938                                             # semi-colons
939        # Add in the characters that are supposed to be ignored, to test loose
940        # matching, which the tested function does on all inputs.
941        my $mod_name = "$extra_chars$alias";
942
943        my $loose = &Unicode::UCD::loose_name(lc $alias);
944
945        # Indicate we have tested this.
946        $props{$loose} = 1;
947
948        my @all_names = prop_aliases($mod_name);
949        if (grep { $_ eq $loose } @Unicode::UCD::suppressed_properties) {
950            is(@all_names, 0, "prop_aliases('$mod_name') returns undef since $alias is not installed");
951            next;
952        }
953        elsif (! @all_names) {
954            fail("prop_aliases('$mod_name')");
955            diag("'$alias' is unknown to prop_aliases()");
956            next;
957        }
958
959        if ($count == 0) {  # Is short name
960
961            @names_via_short = prop_aliases($mod_name);
962
963            # If the 0th test fails, no sense in continuing with the others
964            last unless is($names_via_short[0], $alias,
965                    "prop_aliases: '$alias' is the short name for '$mod_name'");
966            $short_name = $alias;
967        }
968        elsif ($count == 1) {   # Is full name
969
970            # Some properties have the same short and full name; no sense
971            # repeating the test if the same.
972            if ($alias ne $short_name) {
973                my @names_via_full = prop_aliases($mod_name);
974                is_deeply(\@names_via_full, \@names_via_short, "prop_aliases() returns the same list for both '$short_name' and '$mod_name'");
975            }
976
977            # Tests scalar context
978            is(prop_aliases($short_name), $alias,
979                "prop_aliases: '$alias' is the long name for '$short_name'");
980        }
981        else {  # Is another alias
982            is_deeply(\@all_names, \@names_via_short, "prop_aliases() returns the same list for both '$short_name' and '$mod_name'");
983            ok((grep { $_ =~ /^$alias$/i } @all_names),
984                "prop_aliases: '$alias' is listed as an alias for '$mod_name'");
985        }
986
987        $count++;
988    }
989}
990} # End of SKIP block
991
992# Now test anything we can find that wasn't covered by the tests of the
993# official properties.  We have no way of knowing if mktables omitted a Perl
994# extension or not, but we do the best we can from its generated lists
995
996foreach my $alias (sort keys %Unicode::UCD::loose_to_file_of) {
997    next if $alias =~ /=/;
998    my $lc_name = lc $alias;
999    my $loose = &Unicode::UCD::loose_name($lc_name);
1000    next if exists $props{$loose};  # Skip if already tested
1001    $props{$loose} = 1;
1002    my $mod_name = "$extra_chars$alias";    # Tests loose matching
1003    my @aliases = prop_aliases($mod_name);
1004    my $found_it = grep { &Unicode::UCD::loose_name(lc $_) eq $lc_name } @aliases;
1005    if ($found_it) {
1006        pass("prop_aliases: '$lc_name' is listed as an alias for '$mod_name'");
1007    }
1008    elsif ($lc_name =~ /l[_&]$/) {
1009
1010        # These two names are special in that they don't appear in the
1011        # returned list because they are discouraged from use.  Verify
1012        # that they return the same list as a non-discouraged version.
1013        my @LC = prop_aliases('Is_LC');
1014        is_deeply(\@aliases, \@LC, "prop_aliases: '$lc_name' returns the same list as 'Is_LC'");
1015    }
1016    else {
1017        my $stripped = $lc_name =~ s/^is//;
1018
1019        # Could be that the input includes a prefix 'is', which is rarely
1020        # returned as an alias, so having successfully stripped it off above,
1021        # try again.
1022        if ($stripped) {
1023            $found_it = grep { &Unicode::UCD::loose_name(lc $_) eq $lc_name } @aliases;
1024        }
1025
1026        # If that didn't work, it could be that it's a block, which is always
1027        # returned with a leading 'In_' to avoid ambiguity.  Try comparing
1028        # with that stripped off.
1029        if (! $found_it) {
1030            $found_it = grep { &Unicode::UCD::loose_name(s/^In_(.*)/\L$1/r) eq $lc_name }
1031                              @aliases;
1032            # Could check that is a real block, but tests for invmap will
1033            # likely pickup any errors, since this will be tested there.
1034            $lc_name = "in$lc_name" if $found_it;   # Change for message below
1035        }
1036        my $message = "prop_aliases: '$lc_name' is listed as an alias for '$mod_name'";
1037        ($found_it) ? pass($message) : fail($message);
1038    }
1039}
1040
1041# Some of the Perl extensions should always be built; make sure they have the
1042# correct full name, etc.
1043for my $prop (qw(Alnum Blank Cntrl Digit Graph Print Word XDigit)) {
1044    my @expected = ( $prop, "XPosix$prop" );
1045    my @got = prop_aliases($prop);
1046    splice @got, 2;
1047    is_deeply(\@got, \@expected, "Got expected aliases for $prop");
1048}
1049
1050my $done_equals = 0;
1051foreach my $alias (keys %Unicode::UCD::stricter_to_file_of) {
1052    if ($alias =~ /=/) {    # Only test one case where there is an equals
1053        next if $done_equals;
1054        $done_equals = 1;
1055    }
1056    my $lc_name = lc $alias;
1057    my @list = prop_aliases($alias);
1058    if ($alias =~ /^_/) {
1059        is(@list, 0, "prop_aliases: '$lc_name' returns an empty list since it is internal_only");
1060    }
1061    elsif ($alias =~ /=/) {
1062        is(@list, 0, "prop_aliases: '$lc_name' returns an empty list since is illegal property name");
1063    }
1064    else {
1065        ok((grep { lc $_ eq $lc_name } @list),
1066                "prop_aliases: '$lc_name' is listed as an alias for '$alias'");
1067    }
1068}
1069
1070use Unicode::UCD qw(prop_values prop_value_aliases);
1071
1072is(prop_value_aliases("unknown property", "unknown value"), undef,
1073    "prop_value_aliases(<unknown property>, <unknown value>) returns <undef>");
1074is(prop_value_aliases(undef, undef), undef,
1075                           "prop_value_aliases(undef, undef) returns <undef>");
1076is((prop_value_aliases("na", "A")), "A", "test that prop_value_aliases returns its input for properties that don't have synonyms");
1077is(prop_value_aliases("isgc", "C"), undef, "prop_value_aliases('isgc', 'C') returns <undef> since is not covered Perl extension");
1078is(prop_value_aliases("gc", "isC"), undef, "prop_value_aliases('gc', 'isC') returns <undef> since is not covered Perl extension");
1079is(prop_value_aliases("Any", "None"), undef, "prop_value_aliases('Any', 'None') returns <undef> since is Perl extension and 'None' is not valid");
1080is(prop_value_aliases("lc", "A"), "A", "prop_value_aliases('lc', 'A') returns its input, as docs say it does");
1081
1082# We have no way of knowing if mktables omitted a Perl extension that it
1083# shouldn't have, but we can check if it omitted an official Unicode property
1084# name synonym.  And for those, we can check if the short and full names are
1085# correct.
1086
1087my %pva_tested;   # List of things already tested.
1088
1089SKIP: {
1090skip "PropValueAliases.txt is not in this Unicode version", 1 if $v_unicode_version lt v3.2.0;
1091open my $propvalues, "<", "../lib/unicore/PropValueAliases.txt"
1092     or die "Can't open Unicode PropValueAliases.txt";
1093local $/ = "\n";
1094
1095# Each examined line in the file is for a single value for a property.  We
1096# accumulate all the values for each property using these two variables.
1097my $prev_prop = "";
1098my @this_prop_values;
1099
1100while (<$propvalues>) {
1101    s/\s*#.*//;           # Remove comments
1102    next if /^\s* $/x;    # Ignore empty and comment lines
1103    chomp;
1104    local $/ = $input_record_separator;
1105
1106    # Fix typo in official input file
1107    s/CCC133/CCC132/g if $v_unicode_version eq v6.1.0;
1108
1109    my @fields = split /\s*;\s*/; # Fields are separated by semi-colons
1110    my $prop = shift @fields;   # 0th field is the property,
1111
1112    # 'qc' is short in early versions of the file for any of the quick check
1113    # properties.  Choose one of them.
1114    if ($prop eq 'qc' && $v_unicode_version le v4.0.0) {
1115        $prop = "NFKC_QC";
1116    }
1117
1118    # When changing properties, we examine the accumulated values for the old
1119    # one to see if our function that returns them matches.
1120    if ($prev_prop ne $prop) {
1121        if ($prev_prop ne "") { # Skip for the first time through
1122            my @ucd_function_values = prop_values($prev_prop);
1123            @ucd_function_values = () unless @ucd_function_values;
1124
1125            # The file didn't include strictly numeric values until after this
1126            if ($prev_prop eq 'ccc' && $v_unicode_version le v6.0.0) {
1127                @ucd_function_values = grep { /\D/ } @ucd_function_values;
1128            }
1129
1130            # This perl extension doesn't appear in the official file
1131            push @this_prop_values, "Non_Canon" if $prev_prop eq 'dt';
1132
1133            my @file_values = undef;
1134            @file_values = sort { lc($a =~ s/_//gr) cmp lc($b =~ s/_//gr) }
1135                                   @this_prop_values if @this_prop_values;
1136            is_deeply(\@ucd_function_values, \@file_values,
1137              "prop_values('$prev_prop') returns correct list of values");
1138        }
1139        $prev_prop = $prop;
1140        undef @this_prop_values;
1141    }
1142
1143    my $count = 0;  # 0th field in line (after shifting off the property) is
1144                    # short name; 1th is long name
1145    my $short_name;
1146    my @names_via_short;    # Saves the values between iterations
1147
1148    # The property on the lhs of the = is always loosely matched.  Add in
1149    # characters that are ignored under loose matching to test that
1150    my $mod_prop = "$extra_chars$prop";
1151
1152    if ($prop eq 'blk' && $v_unicode_version le v5.0.0) {
1153        foreach my $element (@fields) {
1154            $element =~ s/-/_/g;
1155        }
1156    }
1157
1158    if ($fields[0] eq 'n/a') {  # See comments in input file, essentially
1159                                # means full name and short name are identical
1160        $fields[0] = $fields[1];
1161    }
1162    elsif ($fields[0] ne $fields[1]
1163           && &Unicode::UCD::loose_name(lc $fields[0])
1164               eq &Unicode::UCD::loose_name(lc $fields[1])
1165           && $fields[1] !~ /[[:upper:]]/)
1166    {
1167        # Also, there is a bug in the file in which "n/a" is omitted, and
1168        # the two fields are identical except for case, and the full name
1169        # is all lower case.  Copy the "short" name unto the full one to
1170        # give it some upper case.
1171
1172        $fields[1] = $fields[0];
1173    }
1174
1175    # The ccc property in the file is special; has an extra numeric field
1176    # (0th), which should go at the end, since we use the next two fields as
1177    # the short and full names, respectively.  See comments in input file.
1178    splice (@fields, 0, 0, splice(@fields, 1, 2)) if $prop eq 'ccc';
1179
1180    my $loose_prop = &Unicode::UCD::loose_name(lc $prop);
1181    my $suppressed = grep { $_ eq $loose_prop }
1182                          @Unicode::UCD::suppressed_properties;
1183    push @this_prop_values, $fields[0] unless $suppressed;
1184    foreach my $value (@fields) {
1185        if ($suppressed) {
1186            is(prop_value_aliases($prop, $value), undef, "prop_value_aliases('$prop', '$value') returns undef for suppressed property $prop");
1187            next;
1188        }
1189        elsif (grep { $_ eq ("$loose_prop=" . &Unicode::UCD::loose_name(lc $value)) } @Unicode::UCD::suppressed_properties) {
1190            is(prop_value_aliases($prop, $value), undef, "prop_value_aliases('$prop', '$value') returns undef for suppressed property $prop=$value");
1191            next;
1192        }
1193
1194        # Add in test for loose matching.
1195        my $mod_value = "$extra_chars$value";
1196
1197        # If the value is a number, optionally negative, including a floating
1198        # point or rational numer, it should be only strictly matched, so the
1199        # loose matching should fail.
1200        if ($value =~ / ^ -? \d+ (?: [\/.] \d+ )? $ /x) {
1201            is(prop_value_aliases($mod_prop, $mod_value), undef, "prop_value_aliases('$mod_prop', '$mod_value') returns undef because '$mod_value' should be strictly matched");
1202
1203            # And reset so below tests just the strict matching.
1204            $mod_value = $value;
1205        }
1206
1207        if ($count == 0) {
1208
1209            @names_via_short = prop_value_aliases($mod_prop, $mod_value);
1210
1211            # If the 0th test fails, no sense in continuing with the others
1212            last unless is($names_via_short[0], $value, "prop_value_aliases: In '$prop', '$value' is the short name for '$mod_value'");
1213            $short_name = $value;
1214        }
1215        elsif ($count == 1) {
1216
1217            # Some properties have the same short and full name; no sense
1218            # repeating the test if the same.
1219            if ($value ne $short_name) {
1220                my @names_via_full =
1221                            prop_value_aliases($mod_prop, $mod_value);
1222                is_deeply(\@names_via_full, \@names_via_short, "In '$prop', prop_value_aliases() returns the same list for both '$short_name' and '$mod_value'");
1223            }
1224
1225            # Tests scalar context
1226            is(prop_value_aliases($prop, $short_name), $value, "'$value' is the long name for prop_value_aliases('$prop', '$short_name')");
1227        }
1228        else {
1229            my @all_names = prop_value_aliases($mod_prop, $mod_value);
1230            is_deeply(\@all_names, \@names_via_short, "In '$prop', prop_value_aliases() returns the same list for both '$short_name' and '$mod_value'");
1231            ok((grep { &Unicode::UCD::loose_name(lc $_) eq &Unicode::UCD::loose_name(lc $value) } prop_value_aliases($prop, $short_name)), "'$value' is listed as an alias for prop_value_aliases('$prop', '$short_name')");
1232        }
1233
1234        $pva_tested{&Unicode::UCD::loose_name(lc $prop) . "=" . &Unicode::UCD::loose_name(lc $value)} = 1;
1235        $count++;
1236    }
1237}
1238}   # End of SKIP block
1239
1240# And test as best we can, the non-official pva's that mktables generates.
1241foreach my $hash (\%Unicode::UCD::loose_to_file_of, \%Unicode::UCD::stricter_to_file_of) {
1242    foreach my $test (sort keys %$hash) {
1243        next if exists $pva_tested{$test};  # Skip if already tested
1244
1245        my ($prop, $value) = split "=", $test;
1246        next unless defined $value; # prop_value_aliases() requires an input
1247                                    # 'value'
1248        my $mod_value;
1249        if ($hash == \%Unicode::UCD::loose_to_file_of) {
1250
1251            # Add extra characters to test loose-match rhs value
1252            $mod_value = "$extra_chars$value";
1253        }
1254        else { # Here value is strictly matched.
1255
1256            # Extra elements are added by mktables to this hash so that
1257            # something like "age=6.0" has a synonym of "age=6".  It's not
1258            # clear to me (khw) if we should be encouraging those synonyms, so
1259            # don't test for them.
1260            next if $value !~ /\D/ && exists $hash->{"$prop=$value.0"};
1261
1262            # Verify that loose matching fails when only strict is called for.
1263            next unless is(prop_value_aliases($prop, "$extra_chars$value"), undef,
1264                        "prop_value_aliases('$prop', '$extra_chars$value') returns undef since '$value' should be strictly matched"),
1265
1266            # Strict matching does allow for underscores between digits.  Test
1267            # for that.
1268            $mod_value = $value;
1269            while ($mod_value =~ s/(\d)(\d)/$1_$2/g) {}
1270        }
1271
1272        # The lhs property is always loosely matched, so add in extra
1273        # characters to test that.
1274        my $mod_prop = "$extra_chars$prop";
1275
1276        if ($prop eq 'gc' && $value =~ /l[_&]$/) {
1277            # These two names are special in that they don't appear in the
1278            # returned list because they are discouraged from use.  Verify
1279            # that they return the same list as a non-discouraged version.
1280            my @LC = prop_value_aliases('gc', 'lc');
1281            my @l_ = prop_value_aliases($mod_prop, $mod_value);
1282            is_deeply(\@l_, \@LC, "prop_value_aliases('$mod_prop', '$mod_value) returns the same list as prop_value_aliases('gc', 'lc')");
1283        }
1284        else {
1285            ok((grep { &Unicode::UCD::loose_name(lc $_) eq &Unicode::UCD::loose_name(lc $value) }
1286                prop_value_aliases($mod_prop, $mod_value)),
1287                "'$value' is listed as an alias for prop_value_aliases('$mod_prop', '$mod_value')");
1288        }
1289    }
1290}
1291
1292undef %pva_tested;
1293
1294no warnings 'once'; # We use some values once from 'required' modules.
1295
1296use Unicode::UCD qw(prop_invlist prop_invmap MAX_CP);
1297
1298# There were some problems with caching interfering with prop_invlist() vs
1299# prop_invmap() on binary properties, and also between the 3 properties where
1300# Perl used the same 'To' name as another property (see Unicode::UCD).
1301# So, before testing all of prop_invlist(),
1302#   1)  call prop_invmap() to try both orders of these name issues.  This uses
1303#       up two of the 3 properties;  the third will be left so that invlist()
1304#       on it gets called before invmap()
1305#   2)  call prop_invmap() on a generic binary property, ahead of invlist().
1306# This should test that the caching works in both directions.
1307
1308# These properties are not stable between Unicode versions, but the first few
1309# elements are; just look at the first element to see if are getting the
1310# distinction right.  The general inversion map testing below will test the
1311# whole thing.
1312
1313my $prop;
1314my ($invlist_ref, $invmap_ref, $format, $missing);
1315if ($::IS_ASCII) { # On EBCDIC, other things will come first, and can vary
1316                # according to code page
1317    $prop = "uc";
1318    ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($prop);
1319    is($format, 'al', "prop_invmap() format of '$prop' is 'al'");
1320    is($missing, '0', "prop_invmap() missing of '$prop' is '0'");
1321    is($invlist_ref->[1], 0x61, "prop_invmap('$prop') list[1] is 0x61");
1322    is($invmap_ref->[1], 0x41, "prop_invmap('$prop') map[1] is 0x41");
1323
1324    $prop = "upper";
1325    ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($prop);
1326    is($format, 's', "prop_invmap() format of '$prop' is 's");
1327    is($missing, 'N', "prop_invmap() missing of '$prop' is 'N'");
1328    is($invlist_ref->[1], 0x41, "prop_invmap('$prop') list[1] is 0x41");
1329    is($invmap_ref->[1], 'Y', "prop_invmap('$prop') map[1] is 'Y'");
1330
1331    $prop = "lower";
1332    ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($prop);
1333    is($format, 's', "prop_invmap() format of '$prop' is 's'");
1334    is($missing, 'N', "prop_invmap() missing of '$prop' is 'N'");
1335    is($invlist_ref->[1], 0x61, "prop_invmap('$prop') list[1] is 0x61");
1336    is($invmap_ref->[1], 'Y', "prop_invmap('$prop') map[1] is 'Y'");
1337
1338    $prop = "lc";
1339    ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($prop);
1340    my $lc_format = ($v_unicode_version ge v3.2.0) ? 'al' : 'a';
1341    is($format, $lc_format, "prop_invmap() format of '$prop' is '$lc_format");
1342    is($missing, '0', "prop_invmap() missing of '$prop' is '0'");
1343    is($invlist_ref->[1], 0x41, "prop_invmap('$prop') list[1] is 0x41");
1344    is($invmap_ref->[1], 0x61, "prop_invmap('$prop') map[1] is 0x61");
1345}
1346
1347# This property is stable and small, so can test all of it
1348if ($v_unicode_version gt v3.1.0) {
1349    $prop = "ASCII_Hex_Digit";
1350    ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($prop);
1351    is($format, 's', "prop_invmap() format of '$prop' is 's'");
1352    is($missing, 'N', "prop_invmap() missing of '$prop' is 'N'");
1353    if ($::IS_ASCII) {
1354        is_deeply($invlist_ref, [ 0x0000, 0x0030, 0x003A,
1355                                0x0041, 0x0047,
1356                                0x0061, 0x0067, 0x110000
1357                                ],
1358            "prop_invmap('$prop') code point list is correct");
1359    }
1360    elsif ($::IS_EBCDIC) {
1361        is_deeply($invlist_ref, [
1362                utf8::unicode_to_native(0x0000),
1363                utf8::unicode_to_native(0x0061), utf8::unicode_to_native(0x0066) + 1,
1364                utf8::unicode_to_native(0x0041), utf8::unicode_to_native(0x0046) + 1,
1365                utf8::unicode_to_native(0x0030), utf8::unicode_to_native(0x0039) + 1,
1366                utf8::unicode_to_native(0x110000)
1367            ],
1368            "prop_invmap('$prop') code point list is correct");
1369    }
1370    is_deeply($invmap_ref, [ 'N', 'Y', 'N', 'Y', 'N', 'Y', 'N', 'N' ] ,
1371            "prop_invmap('$prop') map list is correct");
1372}
1373
1374is(prop_invlist("Unknown property"), undef, "prop_invlist(<Unknown property>) returns undef");
1375is(prop_invlist(undef), undef, "prop_invlist(undef) returns undef");
1376is(prop_invlist("Any"), 2, "prop_invlist('Any') returns the number of elements in scalar context");
1377my @invlist = prop_invlist("Is_Any");
1378is_deeply(\@invlist, [ 0, 0x110000 ], "prop_invlist works on 'Is_' prefixes");
1379is(prop_invlist("Is_Is_Any"), undef, "prop_invlist('Is_Is_Any') returns <undef> since two is's");
1380
1381use Storable qw(dclone);
1382
1383is(prop_invlist("InKana"), undef, "prop_invlist(<user-defined property returns undef>)");
1384
1385# The way both the tests for invlist and invmap work is that they take the
1386# lists returned by the functions and construct from them what the original
1387# file should look like, which are then compared with the file.  If they are
1388# identical, the test passes.  What this tests isn't that the results are
1389# correct, but that invlist and invmap haven't introduced errors beyond what
1390# are there in the files.  As a small hedge against that, test some
1391# prop_invlist() tables fully with the known correct result.  We choose
1392# ASCII_Hex_Digit again, as it is stable.
1393if ($v_unicode_version gt v3.1.0) {
1394    if ($::IS_ASCII) {
1395        @invlist = prop_invlist("AHex");
1396        is_deeply(\@invlist, [ 0x0030, 0x003A, 0x0041,
1397                                    0x0047, 0x0061, 0x0067 ],
1398            "prop_invlist('AHex') is exactly the expected set of points");
1399        @invlist = prop_invlist("AHex=f");
1400        is_deeply(\@invlist, [ 0x0000, 0x0030, 0x003A, 0x0041,
1401                                    0x0047, 0x0061, 0x0067 ],
1402            "prop_invlist('AHex=f') is exactly the expected set of points");
1403    }
1404    elsif ($::IS_EBCDIC) { # Relies on the ranges 0-9, a-f, and A-F each being
1405                        # contiguous
1406        @invlist = prop_invlist("AHex");
1407        is_deeply(\@invlist, [
1408                utf8::unicode_to_native(0x0061), utf8::unicode_to_native(0x0066) + 1,
1409                utf8::unicode_to_native(0x0041), utf8::unicode_to_native(0x0046) + 1,
1410                utf8::unicode_to_native(0x0030), utf8::unicode_to_native(0x0039) + 1,
1411        ],
1412        "prop_invlist('AHex') is exactly the expected set of points");
1413        @invlist = prop_invlist("AHex=f");
1414        is_deeply(\@invlist, [
1415                utf8::unicode_to_native(0x0000),
1416                utf8::unicode_to_native(0x0061),
1417                utf8::unicode_to_native(0x0066) + 1,
1418                utf8::unicode_to_native(0x0041),
1419                utf8::unicode_to_native(0x0046) + 1,
1420                utf8::unicode_to_native(0x0030),
1421                utf8::unicode_to_native(0x0039) + 1,
1422        ],
1423        "prop_invlist('AHex=f') is exactly the expected set of points");
1424    }
1425}
1426
1427sub fail_with_diff ($$$$) {
1428    # For use below to output better messages
1429    my ($prop, $official, $constructed, $tested_function_name) = @_;
1430
1431    if (! $ENV{PERL_TEST_DIFF}) {
1432
1433        is($constructed, $official, "$tested_function_name('$prop')");
1434
1435        diag("Set environment variable PERL_TEST_DIFF=diff_tool to see just "
1436           . "the differences.");
1437        return;
1438    }
1439
1440    fail("$tested_function_name('$prop')");
1441
1442    require File::Temp;
1443    my $off = File::Temp->new();
1444    local $/ = "\n";
1445    chomp $official;
1446    print $off $official, "\n";
1447    close $off || die "Can't close official";
1448
1449    chomp $constructed;
1450    my $gend = File::Temp->new();
1451    print $gend $constructed, "\n";
1452    close $gend || die "Can't close gend";
1453
1454    my $diff = File::Temp->new();
1455    system("$ENV{PERL_TEST_DIFF} $off $gend > $diff");
1456
1457    open my $fh, "<", $diff || die "Can't open $diff";
1458    my @diffs = <$fh>;
1459    diag("In the diff output below '<' marks lines from the filesystem tables;\n'>' are from $tested_function_name()");
1460    diag(@diffs);
1461}
1462
1463my %tested_invlist;
1464
1465# Look at everything we think that mktables tells us exists, both loose and
1466# strict
1467foreach my $set_of_tables (\%Unicode::UCD::stricter_to_file_of, \%Unicode::UCD::loose_to_file_of)
1468{
1469    foreach my $table (sort keys %$set_of_tables) {
1470
1471        my $mod_table;
1472        my ($prop_only, $value) = split "=", $table;
1473        if (defined $value) {
1474
1475            # If this is to be loose matched, add in characters to test that.
1476            if ($set_of_tables == \%Unicode::UCD::loose_to_file_of) {
1477                $value = "$extra_chars$value";
1478            }
1479            else {  # Strict match
1480
1481                # Verify that loose matching fails when only strict is called
1482                # for.
1483                next unless is(prop_invlist("$prop_only=$extra_chars$value"), undef, "prop_invlist('$prop_only=$extra_chars$value') returns undef since should be strictly matched");
1484
1485                # Strict matching does allow for underscores between digits.
1486                # Test for that.
1487                while ($value =~ s/(\d)(\d)/$1_$2/g) {}
1488            }
1489
1490            # The property portion in compound form specifications always
1491            # matches loosely
1492            $mod_table = "$extra_chars$prop_only = $value";
1493        }
1494        else {  # Single-form.
1495
1496            # Like above, use loose if required, and insert underscores
1497            # between digits if strict.
1498            if ($set_of_tables == \%Unicode::UCD::loose_to_file_of) {
1499                $mod_table = "$extra_chars$table";
1500            }
1501            else {
1502                $mod_table = $table;
1503                while ($mod_table =~ s/(\d)(\d)/$1_$2/g) {}
1504            }
1505        }
1506
1507        my @tested = prop_invlist($mod_table);
1508        if ($table =~ /^_/) {
1509            is(@tested, 0, "prop_invlist('$mod_table') returns an empty list since is internal-only");
1510            next;
1511        }
1512
1513        # If we have already tested a property that uses the same file, this
1514        # list should be identical to the one that was tested, and can bypass
1515        # everything else.
1516        my $file = $set_of_tables->{$table};
1517        if (exists $tested_invlist{$file}) {
1518            is_deeply(\@tested, $tested_invlist{$file}, "prop_invlist('$mod_table') gave same results as its name synonym");
1519            next;
1520        }
1521        $tested_invlist{$file} = dclone \@tested;
1522
1523        # A '!' in the file name means that it is to be inverted.
1524        my $invert = $file =~ s/!//;
1525        my $official;
1526
1527        # If the file's directory is '#', it is a special case where the
1528        # contents are in-lined with semi-colons meaning new-lines, instead of
1529        # it being an actual file to read.  The file is an index in to the
1530        # array of the definitions
1531        if ($file =~ s!^#/!!) {
1532            $official = $Unicode::UCD::inline_definitions[$file];
1533        }
1534        else {
1535            $official = do "unicore/lib/$file.pl";
1536        }
1537
1538        # Get rid of any trailing space and comments in the file.
1539        $official =~ s/\s*(#.*)?$//mg;
1540        local $/ = "\n";
1541        chomp $official;
1542        $/ = $input_record_separator;
1543
1544        # If we are to test against an inverted file, it is easier to invert
1545        # our array than the file.
1546        if ($invert) {
1547            if (@tested && $tested[0] == 0) {
1548                shift @tested;
1549            } else {
1550                unshift @tested, 0;
1551            }
1552        }
1553
1554        # Now construct a string from the list that should match the file.
1555        # The file is inversion list format code points, like this:
1556        # V1216
1557        # 65      # [26]
1558        # 91
1559        # 192     # [23]
1560        # ...
1561        # The V indicates it's an inversion list, and is followed immediately
1562        # by the number of elements (lines) that follow giving its contents.
1563        # The list has even numbered elements (0th, 2nd, ...) start ranges
1564        # that are in the list, and odd ones that aren't in the list.
1565        # Therefore the odd numbered ones are one beyond the end of the
1566        # previous range, but otherwise don't get reflected in the file.
1567        my $tested =  join "\n", ("V" . scalar @tested), @tested;
1568        local $/ = "\n";
1569        chomp $tested;
1570        $/ = $input_record_separator;
1571        if ($tested ne $official) {
1572            fail_with_diff($mod_table, $official, $tested, "prop_invlist");
1573            next;
1574        }
1575
1576        pass("prop_invlist('$mod_table')");
1577    }
1578}
1579
1580# Now test prop_invmap().
1581
1582@list = prop_invmap("Unknown property");
1583is (@list, 0, "prop_invmap(<Unknown property>) returns an empty list");
1584@list = prop_invmap(undef);
1585is (@list, 0, "prop_invmap(undef) returns an empty list");
1586ok (! eval "prop_invmap('gc')" && $@ ne "",
1587                                "prop_invmap('gc') dies in scalar context");
1588@list = prop_invmap("_X_Begin");
1589is (@list, 0, "prop_invmap(<internal property>) returns an empty list");
1590@list = prop_invmap("InKana");
1591is(@list, 0, "prop_invmap(<user-defined property returns undef>)");
1592@list = prop_invmap("Perl_Decomposition_Mapping"), undef,
1593is(@list, 0, "prop_invmap('Perl_Decomposition_Mapping') returns <undef> since internal-Perl-only");
1594@list = prop_invmap("Perl_Charnames"), undef,
1595is(@list, 0, "prop_invmap('Perl_Charnames') returns <undef> since internal-Perl-only");
1596@list = prop_invmap("Is_Is_Any");
1597is(@list, 0, "prop_invmap('Is_Is_Any') returns <undef> since two is's");
1598
1599# The files for these properties are not used by Perl, but are retained for
1600# backwards compatibility with applications that read them directly, with
1601# comments in them that their use is deprecated.  Until such time as we remove
1602# them completely, we test that they exist, are correct, and that their
1603# formats haven't changed.  This hash contains the info needed to test them as
1604# if they were regular properties.  'replaced_by' gives the equivalent
1605# property now used by Perl.
1606my %legacy_props = (
1607            Legacy_Case_Folding =>        { replaced_by => 'cf',
1608                                            file => 'To/Fold',
1609                                            swash_name => 'ToFold'
1610                                          },
1611            Legacy_Lowercase_Mapping =>   { replaced_by => 'lc',
1612                                            file => 'To/Lower',
1613                                            swash_name => 'ToLower'
1614                                          },
1615            Legacy_Titlecase_Mapping =>   { replaced_by => 'tc',
1616                                            file => 'To/Title',
1617                                            swash_name => 'ToTitle'
1618                                          },
1619            Legacy_Uppercase_Mapping =>   { replaced_by => 'uc',
1620                                            file => 'To/Upper',
1621                                            swash_name => 'ToUpper'
1622                                          },
1623            Legacy_Perl_Decimal_Digit =>  { replaced_by => 'Perl_Decimal_Digit',
1624                                            file => 'To/Digit',
1625                                            swash_name => 'ToDigit'
1626                                           },
1627        );
1628
1629foreach my $legacy_prop (keys %legacy_props) {
1630    @list = prop_invmap($legacy_prop);
1631    is(@list, 0, "'$legacy_prop' is unknown to prop_invmap");
1632}
1633
1634# The files for these properties shouldn't have their formats changed in case
1635# applications use them (though such use is deprecated).
1636my @legacy_file_format = (keys %legacy_props,
1637                          qw( Bidi_Mirroring_Glyph
1638                              NFKC_Casefold
1639                           )
1640                          );
1641
1642# The set of properties to test on has already been compiled into %props by
1643# the prop_aliases() tests.
1644
1645my %tested_invmaps;
1646
1647# Like prop_invlist(), prop_invmap() is tested by comparing the results
1648# returned by the function with the tables that mktables generates.  Some of
1649# these tables are directly stored as files on disk, in either the unicore or
1650# unicore/To directories, and most should be listed in the mktables generated
1651# hash %Unicode::UCD::loose_property_to_file_of, with a few additional ones that this
1652# handles specially.  For these, the files are read in directly, massaged, and
1653# compared with what invmap() returns.  The SPECIALS hash in some of these
1654# files overrides values in the main part of the file.
1655#
1656# The other properties are tested indirectly by generating all the possible
1657# inversion lists for the property, and seeing if those match the inversion
1658# lists returned by prop_invlist(), which has already been tested.
1659
1660PROPERTY:
1661foreach my $prop (sort(keys %props), sort keys %legacy_props) {
1662    my $is_legacy = 0;
1663    my $loose_prop = &Unicode::UCD::loose_name(lc $prop);
1664    my $suppressed = grep { $_ eq $loose_prop }
1665                          @Unicode::UCD::suppressed_properties;
1666
1667    my $actual_lookup_prop;
1668    my $display_prop;        # The property name that is displayed, as opposed
1669                             # to the one that is actually used.
1670
1671    # Find the short and full names that this property goes by
1672    my ($name, $full_name) = prop_aliases($prop);
1673    if (! $name) {
1674
1675        # Here, Perl doesn't know about this property.  It could be a
1676        # suppressed one, or a legacy one.
1677        if (grep { $prop eq $_ } keys %legacy_props) {
1678
1679            # For legacy properties, we look up the modern equivalent
1680            # property instead; later massaging the results to look like the
1681            # known format of the legacy property.  We add info about the
1682            # legacy property to the data structures for the rest of the
1683            # properties; this is to avoid more special cases for the legacies
1684            # in the code below
1685            $full_name = $name = $prop;
1686            $actual_lookup_prop = $legacy_props{$prop}->{'replaced_by'};
1687            my $base_file = $legacy_props{$prop}->{'file'};
1688
1689            # This legacy property is otherwise unknown to Perl; so shouldn't
1690            # have any information about it already.
1691            ok(! exists $Unicode::UCD::loose_property_to_file_of{$loose_prop},
1692               "There isn't a hash entry for file lookup of $prop");
1693            $Unicode::UCD::loose_property_to_file_of{$loose_prop} = $base_file;
1694
1695            ok(! exists $Unicode::UCD::file_to_swash_name{$loose_prop},
1696               "There isn't a hash entry for swash lookup of $prop");
1697            $Unicode::UCD::file_to_swash_name{$base_file}
1698                                        = $legacy_props{$prop}->{'swash_name'};
1699            $display_prop = $prop;
1700            $is_legacy = 1;
1701        }
1702        else {
1703            if (! $suppressed) {
1704                fail("prop_invmap('$prop')");
1705                diag("is unknown to prop_aliases(), and we need it in order to test prop_invmap");
1706            }
1707            next PROPERTY;
1708        }
1709    }
1710
1711    # Normalize the short name, as it is stored in the hashes under the
1712    # normalized version.
1713    $name = &Unicode::UCD::loose_name(lc $name);
1714
1715    # In the case of a combination property, both a map table and a match
1716    # table are generated.  For all the tests except prop_invmap(), this is
1717    # irrelevant, but for prop_invmap, having an 'is' prefix forces it to
1718    # return the match table; otherwise the map.  We thus need to distinguish
1719    # between the two forms.  The property name is what has this information.
1720    $name = &Unicode::UCD::loose_name(lc $prop)
1721                         if exists $Unicode::UCD::combination_property{$name};
1722
1723    # Add in the characters that are supposed to be ignored to test loose
1724    # matching, which the tested function applies to all properties
1725    $display_prop = "$extra_chars$prop" unless $display_prop;
1726    $actual_lookup_prop = $display_prop unless $actual_lookup_prop;
1727
1728    my ($invlist_ref, $invmap_ref, $format, $missing) = prop_invmap($actual_lookup_prop);
1729    my $return_ref = [ $invlist_ref, $invmap_ref, $format, $missing ];
1730
1731
1732    # The legacy property files all are expanded out so that each range is 1
1733    # element long.  That isn't true of the modern equivalent we use to check
1734    # those files for correctness against.  So take the output of the proxy
1735    # and expand it to match the legacy file.
1736    if ($is_legacy) {
1737        my @expanded_list;
1738        my @expanded_map;
1739        for my $i (0 .. @$invlist_ref - 1 - 1) {
1740            if (ref $invmap_ref->[$i] || $invmap_ref->[$i] eq $missing) {
1741
1742                # No adjustments should be done for the default mapping and
1743                # the multi-char ones.
1744                push @expanded_list, $invlist_ref->[$i];
1745                push @expanded_map, $invmap_ref->[$i];
1746            }
1747            else {
1748
1749                # Expand the range into separate elements for each item.
1750                my $offset = 0;
1751                for my $j ($invlist_ref->[$i] .. $invlist_ref->[$i+1] -1) {
1752                    push @expanded_list, $j;
1753                    push @expanded_map, $invmap_ref->[$i] + $offset;
1754
1755                    # The 'ae' format is for Legacy_Perl_Decimal_Digit; the
1756                    # other 4 are kept with leading zeros in the file, so
1757                    # convert to that.
1758                    $expanded_map[-1] = sprintf("%04X", $expanded_map[-1])
1759                                                            if $format ne 'ae';
1760                    $offset++;
1761                }
1762            }
1763        }
1764
1765        # Final element is taken as is.  The map should always be to the
1766        # default value, so don't do a sprintf like we did above.
1767        push @expanded_list, $invlist_ref->[-1];
1768        push @expanded_map, $invmap_ref->[-1];
1769
1770        $invlist_ref = \@expanded_list;
1771        $invmap_ref = \@expanded_map;
1772    }
1773
1774    # If have already tested this property under a different name, merely
1775    # compare the return from now with the saved one from before.
1776    if (exists $tested_invmaps{$name}) {
1777        is_deeply($return_ref, $tested_invmaps{$name}, "prop_invmap('$display_prop') gave same results as its synonym, '$name'");
1778        next PROPERTY;
1779    }
1780    $tested_invmaps{$name} = dclone $return_ref;
1781
1782    # If prop_invmap() returned nothing, is ok iff is a property whose file is
1783    # not generated.
1784    if ($suppressed) {
1785        if (defined $format) {
1786            fail("prop_invmap('$display_prop')");
1787            diag("did not return undef for suppressed property $prop");
1788        }
1789        next PROPERTY;
1790    }
1791    elsif (!defined $format) {
1792        fail("prop_invmap('$display_prop')");
1793        diag("'$prop' is unknown to prop_invmap()");
1794        next PROPERTY;
1795    }
1796
1797    # The two parallel arrays must have the same number of elements.
1798    if (@$invlist_ref != @$invmap_ref) {
1799        fail("prop_invmap('$display_prop')");
1800        diag("invlist has "
1801             . scalar @$invlist_ref
1802             . " while invmap has "
1803             . scalar @$invmap_ref
1804             . " elements");
1805        next PROPERTY;
1806    }
1807
1808    # The last element must be for the above-Unicode code points, and must be
1809    # for the default value.
1810    if ($invlist_ref->[-1] != 0x110000) {
1811        fail("prop_invmap('$display_prop')");
1812        diag("The last inversion list element is not 0x110000");
1813        next PROPERTY;
1814    }
1815
1816    my $upper_limit_subtract;
1817
1818    # prop_invmap() adds an extra element not present in the disk files for
1819    # the above-Unicode code points.  For almost all properties, that will be
1820    # to $missing.  In that case we don't look further at it when comparing
1821    # with the disk files.
1822    if ($invmap_ref->[-1] eq $missing) {
1823        $upper_limit_subtract = 1;
1824    }
1825    elsif ($invmap_ref->[-1] eq 'Y' && ! grep { $_ !~ /[YN]/ } @$invmap_ref) {
1826
1827        # But that's not true for a few binary properties like 'Unassigned'
1828        # that are Perl extensions (in this case for Gc=Unassigned) which
1829        # match above-Unicode code points (hence the 'Y' in the test above).
1830        # For properties where it isn't $missing, we're going to want to look
1831        # at the whole thing when comparing with the disk file.
1832        $upper_limit_subtract = 0;
1833
1834        # In those properties like 'Unassigned, the final element should be
1835        # just a repetition of the next-to-last element, and won't be in the
1836        # disk file, so remove it for the comparison.  Otherwise, we will
1837        # compare the whole of the array with the whole of the disk file.
1838        if ($invlist_ref->[-2] <= 0x10FFFF && $invmap_ref->[-2] eq 'Y') {
1839            pop @$invlist_ref;
1840            pop @$invmap_ref;
1841        }
1842    }
1843    else {
1844        fail("prop_invmap('$display_prop')");
1845        diag("The last inversion list element is '$invmap_ref->[-1]', and should be '$missing'");
1846        next PROPERTY;
1847    }
1848
1849    if ($name eq 'bmg') {   # This one has an atypical $missing
1850        if ($missing ne "") {
1851            fail("prop_invmap('$display_prop')");
1852            diag("The missings should be \"\"; got '$missing'");
1853            next PROPERTY;
1854        }
1855    }
1856    elsif ($format =~ /^ a (?!r) /x) {
1857        if ($full_name eq 'Perl_Decimal_Digit') {
1858            if ($missing ne "") {
1859                fail("prop_invmap('$display_prop')");
1860                diag("The missings should be \"\"; got '$missing'");
1861                next PROPERTY;
1862            }
1863        }
1864        elsif ($missing ne "0" && ! grep { $prop eq $_ } keys %legacy_props) {
1865            fail("prop_invmap('$display_prop')");
1866            diag("The missings should be '0'; got '$missing'");
1867            next PROPERTY;
1868        }
1869    }
1870    elsif ($missing =~ /[<>]/) {
1871        fail("prop_invmap('$display_prop')");
1872        diag("The missings should NOT be something with <...>'");
1873        next PROPERTY;
1874
1875        # I don't want to hard code in what all the missings should be, so
1876        # those don't get fully tested.
1877    }
1878
1879    # Certain properties don't have their own files, but must be constructed
1880    # using proxies.
1881    my $proxy_prop = $name;
1882    if ($full_name eq 'Present_In') {
1883        $proxy_prop = "age";    # The maps for these two props are identical
1884    }
1885    elsif ($full_name eq 'Simple_Case_Folding'
1886           || $full_name =~ /Simple_ (.) .*? case_Mapping  /x)
1887    {
1888        if ($full_name eq 'Simple_Case_Folding') {
1889            $proxy_prop = 'cf';
1890        }
1891        else {
1892            # We captured the U, L, or T, leading to uc, lc, or tc.
1893            $proxy_prop = lc $1 . "c";
1894        }
1895        if ($format ne "a") {
1896            fail("prop_invmap('$display_prop')");
1897            diag("The format should be 'a'; got '$format'");
1898            next PROPERTY;
1899        }
1900    }
1901
1902    if ($format !~ / ^ (?: a [der]? | ale? | n | sl? ) $ /x) {
1903        fail("prop_invmap('$display_prop')");
1904        diag("Unknown format '$format'");
1905        next PROPERTY;
1906    }
1907
1908    my $base_file;
1909    my $official;
1910
1911    # Handle the properties that have full disk files for them (except the
1912    # Name property which is structurally enough different that it is handled
1913    # separately below.)
1914    if ($name ne 'na'
1915        && ($name eq 'blk'
1916            || defined
1917                    ($base_file = $Unicode::UCD::loose_property_to_file_of{$proxy_prop})
1918            || exists $Unicode::UCD::loose_to_file_of{$proxy_prop}
1919            || $name eq "dm"))
1920    {
1921        # In the above, blk is done unconditionally, as we need to test that
1922        # the old-style block names are returned, even if mktables has
1923        # generated a file for the new-style; the test for dm comes afterward,
1924        # so that if a file has been generated for it explicitly, we use that
1925        # file (which is valid, unlike blk) instead of the combo
1926        # Decomposition.pl files.
1927        my $file;
1928        my $is_binary = 0;
1929        if ($name eq 'blk') {
1930
1931            # The blk property is special.  The original file with old block
1932            # names is retained, and the default (on ASCII platforms) is to
1933            # not write out a new-name file.  What we do is get the old names
1934            # into a data structure, and from that create what the new file
1935            # would look like.  $base_file is needed to be defined, just to
1936            # avoid a message below.
1937            $base_file = "This is a dummy name";
1938            my $blocks_ref = charblocks();
1939
1940            if ($::IS_EBCDIC) {
1941                # On EBCDIC, the first two blocks can each contain multiple
1942                # ranges.  We create a new version with each of these
1943                # flattened, so have one level.  ($index is used as a dummy
1944                # key.)
1945                my %new_blocks;
1946                my $index = 0;
1947                foreach my $block (values %$blocks_ref) {
1948                    foreach my $range (@$block) {
1949                        $new_blocks{$index++}[0] = $range;
1950                    }
1951                }
1952                $blocks_ref = \%new_blocks;
1953            }
1954            $official = "";
1955            for my $range (sort { $a->[0][0] <=> $b->[0][0] }
1956                           values %$blocks_ref)
1957            {
1958                # Translate the charblocks() data structure to what the file
1959                # would look like.  (The sub range is for EBCDIC platforms
1960                # where Latin1 and ASCII are intermixed.)
1961                if ($range->[0][0] == $range->[0][1]) {
1962                    $official .= sprintf("%X\t\t%s\n",
1963                                         $range->[0][0],
1964                                         $range->[0][2]);
1965                }
1966                else {
1967                    $official .= sprintf("%X\t%X\t%s\n",
1968                                         $range->[0][0],
1969                                         $range->[0][1],
1970                                         $range->[0][2]);
1971                }
1972            }
1973        }
1974        else {
1975            $base_file = "Decomposition" if $format eq 'ad';
1976
1977            # Above leaves $base_file undefined only if it came from the hash
1978            # below.  This should happen only when it is a binary property
1979            # (and are accessing via a single-form name, like 'In_Latin1'),
1980            # and so it is stored in a different directory than the To ones.
1981            # XXX Currently, the only cases where it is complemented are the
1982            # ones that have no code points.  And it works out for these that
1983            # 1) complementing them, and then 2) adding or subtracting the
1984            # initial 0 and final 110000 cancel each other out.  But further
1985            # work would be needed in the unlikely event that an inverted
1986            # property comes along without these characteristics
1987            if (!defined $base_file) {
1988                $base_file = $Unicode::UCD::loose_to_file_of{$proxy_prop};
1989                $is_binary = ($base_file =~ s/!//) ? -1 : 1;
1990                $base_file = "lib/$base_file" unless $base_file =~ m!^#/!;
1991            }
1992
1993            # Read in the file.  If the file's directory is '#', it is a
1994            # special case where the contents are in-lined with semi-colons
1995            # meaning new-lines, instead of it being an actual file to read.
1996            if ($base_file =~ s!^#/!!) {
1997                $official = $Unicode::UCD::inline_definitions[$base_file];
1998            }
1999            else {
2000                $official = do "unicore/$base_file.pl";
2001            }
2002
2003            # Get rid of any trailing space and comments in the file.
2004            $official =~ s/\s*(#.*)?$//mg;
2005
2006            if ($format eq 'ad') {
2007                my @official = split /\n/, $official;
2008                $official = "";
2009                foreach my $line (@official) {
2010                    my ($start, $end, $value)
2011                                    = $line =~ / ^ (.+?) \t (.*?) \t (.+?)
2012                                                \s* ( \# .* )? $ /x;
2013                    # Decomposition.pl also has the <compatible> types in it,
2014                    # which should be removed.
2015                    $value =~ s/<.*?> //;
2016                    $official .= "$start\t\t$value\n";
2017
2018                    # If this is a multi-char range, we turn it into as many
2019                    # single character ranges as necessary.  This makes things
2020                    # easier below.
2021                    if ($end ne "") {
2022                        for my $i (hex($start) + 1 .. hex $end) {
2023                            $official .= sprintf "%X\t\t%s\n", $i, $value;
2024                        }
2025                    }
2026                }
2027            }
2028        }
2029        local $/ = "\n";
2030        chomp $official;
2031        $/ = $input_record_separator;
2032
2033        # Get the format for the file, and if there are any special elements,
2034        # get a reference to them.
2035        my $swash_name = $Unicode::UCD::file_to_swash_name{$base_file};
2036        my $specials_ref;
2037        my $file_format;    # The 'format' given inside the file
2038        if ($swash_name) {
2039            $specials_ref = $Unicode::UCD::SwashInfo{$swash_name}{'specials_name'};
2040            if ($specials_ref) {
2041
2042                # Convert from the name to the actual reference.
2043                no strict 'refs';
2044                $specials_ref = \%{$specials_ref};
2045            }
2046
2047            $file_format = $Unicode::UCD::SwashInfo{$swash_name}{'format'};
2048        }
2049
2050        # Leading zeros used to be used with the values in the files that give,
2051        # ranges, but these have been mostly stripped off, except for some
2052        # files whose formats should not change in any way.
2053        my $file_range_format = (grep { $full_name eq $_ } @legacy_file_format)
2054                              ? "%04X"
2055                              : "%X";
2056        # Currently this property still has leading zeroes in the mapped-to
2057        # values, but otherwise, those values follow the same rules as the
2058        # ranges.
2059        my $file_map_format = ($full_name eq 'Decomposition_Mapping')
2060                              ? "%04X"
2061                              : $file_range_format;
2062
2063        # Certain of the proxy properties have to be adjusted to match the
2064        # real ones.
2065        if ($full_name
2066                 =~ /^(Legacy_)?(Case_Folding|(Lower|Title|Upper)case_Mapping)/)
2067        {
2068
2069            # Here we have either
2070            #   1) Case_Folding; or
2071            #   2) a proxy that is a full mapping, which means that what the
2072            #      real property is is the equivalent simple mapping.
2073            # In both cases, the file will have a standard list containing
2074            # simple mappings (to a single code point), and a specials hash
2075            # which contains all the mappings that are to multiple code
2076            # points.  First, extract a list containing all the file's simple
2077            # mappings.
2078            my @list;
2079            for (split "\n", $official) {
2080                my ($start, $end, $value) = / ^ (.+?) \t (.*?) \t (.+?)
2081                                                \s* ( \# .* )? $ /x;
2082                $end = $start if $end eq "";
2083                push @list, [ hex $start, hex $end, hex $value ];
2084            }
2085
2086            # For these mappings, the file contains all the simple mappings,
2087            # including the ones that are overridden by the specials.  These
2088            # need to be removed as the list is for just the full ones.
2089
2090            # Go through any special mappings one by one.  The keys are the
2091            # UTF-8 representation of code points.
2092            my $i = 0;
2093            foreach my $utf8_cp (sort keys %$specials_ref) {
2094                my $cp = $utf8_cp;
2095                utf8::decode($cp);
2096                $cp = ord $cp;
2097
2098                # Find the spot in the @list of simple mappings that this
2099                # special applies to; uses a linear search.
2100                while ($i < @list -1 ) {
2101                    last if  $cp <= $list[$i][1];
2102                    $i++;
2103                }
2104
2105                # Here $i is such that it points to the first range which ends
2106                # at or above cp, and hence is the only range that could
2107                # possibly contain it.
2108
2109                # If not in this range, no range contains it: nothing to
2110                # remove.
2111                next if $cp < $list[$i][0];
2112
2113                # Otherwise, remove the existing entry.  If it is the first
2114                # element of the range...
2115                if ($cp == $list[$i][0]) {
2116
2117                    # ... and there are other elements in the range, just
2118                    # shorten the range to exclude this code point.
2119                    if ($list[$i][1] > $list[$i][0]) {
2120                        $list[$i][0]++;
2121                    }
2122
2123                    # ... but if it is the only element in the range, remove
2124                    # it entirely.
2125                    else {
2126                        splice @list, $i, 1;
2127                    }
2128                }
2129                else { # Is somewhere in the middle of the range
2130                    # Split the range into two, excluding this one in the
2131                    # middle
2132                    splice @list, $i, 1,
2133                           [ $list[$i][0], $cp - 1, $list[$i][2] ],
2134                           [ $cp + 1, $list[$i][1], $list[$i][2] ];
2135                }
2136            }
2137
2138            # Here, have gone through all the specials, modifying @list as
2139            # needed.  Turn it back into what the file should look like.
2140            $official = "";
2141            for my $element (@list) {
2142                $official .= "\n" if $official;
2143                if ($element->[1] == $element->[0]) {
2144                    $official
2145                        .= sprintf "$file_range_format\t\t$file_map_format",
2146                                    $element->[0],        $element->[2];
2147                }
2148                else {
2149                    $official .= sprintf "$file_range_format\t$file_range_format\t$file_map_format",
2150                                         $element->[0],
2151                                         $element->[1],
2152                                         $element->[2];
2153                }
2154            }
2155        }
2156        elsif ($full_name
2157            =~ / ^ Simple_(Case_Folding|(Lower|Title|Upper)case_Mapping) $ /x)
2158        {
2159
2160            # These properties have everything in the regular array, and the
2161            # specials are superfluous.
2162            undef $specials_ref;
2163        }
2164        elsif ($format !~ /^a/ && defined $file_format && $file_format eq 'x') {
2165
2166            # For these properties the file is output using hex notation for the
2167            # map.  Convert from hex to decimal.
2168            my @lines = split "\n", $official;
2169            foreach my $line (@lines) {
2170                my ($lower, $upper, $map) = split "\t", $line;
2171                $line = "$lower\t$upper\t" . hex $map;
2172            }
2173            $official = join "\n", @lines;
2174        }
2175
2176        # Here, in $official, we have what the file looks like, or should like
2177        # if we've had to fix it up.  Now take the invmap() output and reverse
2178        # engineer from that what the file should look like.  Each iteration
2179        # appends the next line to the running string.
2180        my $tested_map = "";
2181
2182        # For use with files for binary properties only, which are stored in
2183        # inversion list format.  This counts the number of data lines in the
2184        # file.
2185        my $binary_count = 0;
2186
2187        # Create a copy of the file's specials hash.  (It has been undef'd if
2188        # we know it isn't relevant to this property, so if it exists, it's an
2189        # error or is relevant).  As we go along, we delete from that copy.
2190        # If a delete fails, or something is left over after we are done,
2191        # it's an error
2192        my %specials = %$specials_ref if $specials_ref;
2193
2194        # The extra -$upper_limit_subtract is because the final element may
2195        # have been tested above to be for anything above Unicode, in which
2196        # case the file may not go that high.
2197        for (my $i = 0; $i < @$invlist_ref - $upper_limit_subtract; $i++) {
2198
2199            # If the map element is a reference, have to stringify it (but
2200            # don't do so if the format doesn't allow references, so that an
2201            # improper format will generate an error.
2202            if (ref $invmap_ref->[$i]
2203                && ($format eq 'ad' || $format =~ /^ . l /x))
2204            {
2205                # The stringification depends on the format.
2206                if ($format eq 'sl') {
2207
2208                    # At the time of this writing, there are two types of 'sl'
2209                    # format  One, in Name_Alias, has multiple separate
2210                    # entries for each code point; the other, in
2211                    # Script_Extension, is space separated.  Assume the latter
2212                    # for non-Name_Alias.
2213                    if ($full_name ne 'Name_Alias') {
2214                        $invmap_ref->[$i] = join " ", @{$invmap_ref->[$i]};
2215                    }
2216                    else {
2217                        # For Name_Alias, we emulate the file.  Entries with
2218                        # just one value don't need any changes, but we
2219                        # convert the list entries into a series of lines for
2220                        # the file, starting with the first name.  The
2221                        # succeeding entries are on separate lines, with the
2222                        # code point repeated for each one and then two tabs,
2223                        # then the value.  Code at the end of the loop will
2224                        # set up the first line with its code point and two
2225                        # tabs before the value, just as it does for every
2226                        # other property; thus the special handling of the
2227                        # first line.
2228                        if (ref $invmap_ref->[$i]) {
2229                            my $hex_cp = sprintf("%X", $invlist_ref->[$i]);
2230                            my $concatenated = $invmap_ref->[$i][0];
2231                            for (my $j = 1; $j < @{$invmap_ref->[$i]}; $j++) {
2232                                $concatenated .= "\n$hex_cp\t\t"
2233                                              .  $invmap_ref->[$i][$j];
2234                            }
2235                            $invmap_ref->[$i] = $concatenated;
2236                        }
2237                    }
2238                }
2239                elsif ($format =~ / ^ al e? $/x) {
2240
2241                    # For an al property, the stringified result should be in
2242                    # the specials hash.  The key is the utf8 bytes of the
2243                    # code point, and the value is its map as a utf-8 string.
2244                    my $value;
2245                    my $key = chr $invlist_ref->[$i];
2246                    utf8::encode($key);
2247                    if (! defined ($value = delete $specials{$key})) {
2248                        fail("prop_invmap('$display_prop')");
2249                        diag(sprintf "There was no specials element for %04X", $invlist_ref->[$i]);
2250                        next PROPERTY;
2251                    }
2252                    my $packed = pack "W*", @{$invmap_ref->[$i]};
2253                    utf8::upgrade($packed);
2254                    if ($value ne $packed) {
2255                        fail("prop_invmap('$display_prop')");
2256                        diag(sprintf "For %04X, expected the mapping to be "
2257                         . "'$packed', but got '$value'", $invlist_ref->[$i]);
2258                        next PROPERTY;
2259                    }
2260
2261                    # As this doesn't get tested when we later compare with
2262                    # the actual file, it could be out of order and we
2263                    # wouldn't know it.
2264                    if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2265                        || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2266                    {
2267                        fail("prop_invmap('$display_prop')");
2268                        diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2269                        next PROPERTY;
2270                    }
2271                    next;
2272                }
2273                elsif ($format eq 'ad') {
2274
2275                    # The decomposition mapping file has the code points as
2276                    # a string of space-separated hex constants.
2277                    $invmap_ref->[$i] = join " ", map { sprintf "%04X", $_ }
2278                                                           @{$invmap_ref->[$i]};
2279                }
2280                else {
2281                    fail("prop_invmap('$display_prop')");
2282                    diag("Can't handle format '$format'");
2283                    next PROPERTY;
2284                }
2285            } # Otherwise, the map is to a simple scalar
2286            elsif (defined $file_format && $file_format eq 'ax') {
2287                # These maps are in hex
2288                $invmap_ref->[$i] = sprintf("%X", $invmap_ref->[$i]);
2289            }
2290            elsif ($format eq 'ad' || $format eq 'ale') {
2291
2292                # The numerics in the returned map are stored as adjusted
2293                # decimal integers.  The defaults are 0, and don't appear in
2294                # $official, and are excluded later, but the elements must be
2295                # converted back to their hex values before comparing with
2296                # $official, as these files, for backwards compatibility, are
2297                # not stored as adjusted.  (There currently is only one ale
2298                # property, nfkccf.  If that changed this would also have to.)
2299                if ($invmap_ref->[$i] =~ / ^ -? \d+ $ /x
2300                    && $invmap_ref->[$i] != 0)
2301                {
2302                    my $next = $invmap_ref->[$i] + 1;
2303                    $invmap_ref->[$i] = sprintf($file_map_format,
2304                                                $invmap_ref->[$i]);
2305
2306                    # If there are other elements in this range they need to
2307                    # be adjusted; they must individually be re-mapped.  Do
2308                    # this by splicing in a new element into the list and the
2309                    # map containing the remainder of the range.  Next time
2310                    # through we will look at that (possibly splicing again
2311                    # until the whole range is processed).
2312                    if ($invlist_ref->[$i+1] > $invlist_ref->[$i] + 1) {
2313                        splice @$invlist_ref, $i+1, 0,
2314                                $invlist_ref->[$i] + 1;
2315                        splice @$invmap_ref, $i+1, 0, $next;
2316                    }
2317                }
2318                if ($format eq 'ale' && $invmap_ref->[$i] eq "") {
2319
2320                    # ale properties have maps to the empty string that also
2321                    # should be in the specials hash, with the key the utf8
2322                    # bytes representing the code point, and the map just empty.
2323                    my $value;
2324                    my $key = chr $invlist_ref->[$i];
2325                    utf8::encode($key);
2326                    if (! defined ($value = delete $specials{$key})) {
2327                        fail("prop_invmap('$display_prop')");
2328                        diag(sprintf "There was no specials element for %04X", $invlist_ref->[$i]);
2329                        next PROPERTY;
2330                    }
2331                    if ($value ne "") {
2332                        fail("prop_invmap('$display_prop')");
2333                        diag(sprintf "For %04X, expected the mapping to be \"\", but got '$value'", $invlist_ref->[$i]);
2334                        next PROPERTY;
2335                    }
2336
2337                    # As this doesn't get tested when we later compare with
2338                    # the actual file, it could be out of order and we
2339                    # wouldn't know it.
2340                    if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2341                        || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2342                    {
2343                        fail("prop_invmap('$display_prop')");
2344                        diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2345                        next PROPERTY;
2346                    }
2347                    next;
2348                }
2349            }
2350            elsif ($is_binary) { # These binary files don't have an explicit Y
2351                $invmap_ref->[$i] =~ s/Y//;
2352            }
2353
2354            # The file doesn't include entries that map to $missing, so don't
2355            # include it in the built-up string.  But make sure that it is in
2356            # the correct order in the input.
2357            if ($invmap_ref->[$i] eq $missing) {
2358                if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2359                    || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2360                {
2361                    fail("prop_invmap('$display_prop')");
2362                    diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2363                    next PROPERTY;
2364                }
2365                next;
2366            }
2367
2368            # The ad property has one entry which isn't in the file.
2369            # Ignore it, but make sure it is in order.
2370            if ($format eq 'ad'
2371                && $invmap_ref->[$i] eq '<hangul syllable>'
2372                && $invlist_ref->[$i] == 0xAC00)
2373            {
2374                if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2375                    || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2376                {
2377                    fail("prop_invmap('$display_prop')");
2378                    diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2379                    next PROPERTY;
2380                }
2381                next;
2382            }
2383
2384            # Finally have figured out what the map column in the file should
2385            # be.  Append the line to the running string.
2386            my $start = $invlist_ref->[$i];
2387            my $end = (defined $invlist_ref->[$i+1])
2388                      ? $invlist_ref->[$i+1] - 1
2389                      : $Unicode::UCD::MAX_CP;
2390            if ($is_binary) {
2391
2392                # Files for binary properties are in inversion list format,
2393                # without ranges.
2394                $tested_map .= "$start\n";
2395                $binary_count++;
2396
2397                # If the final value is infinity, no line for it exists.
2398                if ($end < $Unicode::UCD::MAX_CP) {
2399                    $tested_map .= ($end + 1) . "\n";
2400                    $binary_count++;
2401                }
2402            }
2403            else {
2404                $end = ($start == $end) ? "" : sprintf($file_range_format, $end);
2405                if ($invmap_ref->[$i] ne "") {
2406                    $tested_map .= sprintf "$file_range_format\t%s\t%s\n",
2407                                            $start, $end, $invmap_ref->[$i];
2408                }
2409                elsif ($end ne "") {
2410                    $tested_map .= sprintf "$file_range_format\t%s\n",
2411                                            $start,             $end;
2412                }
2413                else {
2414                    $tested_map .= sprintf "$file_range_format\n", $start;
2415                }
2416            }
2417        } # End of looping over all elements.
2418
2419        # Binary property files begin with a line count line.
2420        $tested_map = "V$binary_count\n$tested_map" if $binary_count;
2421
2422        # Here are done with generating what the file should look like
2423
2424        local $/ = "\n";
2425        chomp $tested_map;
2426        $/ = $input_record_separator;
2427
2428        # And compare.
2429        if ($tested_map ne $official) {
2430            fail_with_diff($display_prop, $official, $tested_map, "prop_invmap");
2431            next PROPERTY;
2432        }
2433
2434        # There shouldn't be any specials unaccounted for.
2435        if (keys %specials) {
2436            fail("prop_invmap('$display_prop')");
2437            diag("Unexpected specials: " . join ", ", keys %specials);
2438            next PROPERTY;
2439        }
2440    }
2441    elsif ($format eq 'n') {
2442
2443        # Handle the Name property similar to the above.  But the file is
2444        # sufficiently different that it is more convenient to make a special
2445        # case for it.  It is a combination of the Name, Unicode1_Name, and
2446        # Name_Alias properties, and named sequences.  We need to remove all
2447        # but the Name in order to do the comparison.
2448
2449        if ($missing ne "") {
2450            fail("prop_invmap('$display_prop')");
2451            diag("The missings should be \"\"; got \"missing\"");
2452            next PROPERTY;
2453        }
2454
2455        $official = do "unicore/Name.pl";
2456
2457        # Change the double \n format of the file back to single lines with a tab
2458        $official =~ s/\n\n/\e/g;     # Use a control that shouldn't occur
2459                                      # in the file
2460        $official =~ s/\n/\t/g;
2461        $official =~ s/\e/\n/g;
2462
2463        # Get rid of the named sequences portion of the file.  These don't
2464        # have a tab before the first blank on a line.
2465        $official =~ s/ ^ [^\t]+ \  .*? \n //xmg;
2466
2467        # And get rid of the controls.  These are named in the file, but
2468        # shouldn't be in the property.  On all supported platforms, there are
2469        # two ranges of controls.  The first range extends from 0..SPACE-1.
2470        # The second depends on the platform.
2471        $official =~ s/ ^ 00000 .*? ( .{5} \t SPACE ) $ /$1/xms;
2472        my $range_2_start;
2473        my $range_2_end_next;
2474        if ($::IS_ASCII) {
2475            $range_2_start    = '0007F';
2476            $range_2_end_next = '000A0';
2477        }
2478        elsif (ord '^' == 106) { # POSIX-BC
2479            $range_2_start    = '005F';
2480            $range_2_end_next = '0060';
2481        }
2482        else {
2483            $range_2_start    = '00FF';
2484            $range_2_end_next = '0100';
2485        }
2486        $official =~ s/ ^ $range_2_start .*? ( $range_2_end_next ) /$1/xms;
2487
2488        # And remove the aliases.  We read in the Name_Alias property, and go
2489        # through them one by one.
2490        my ($aliases_code_points, $aliases_maps, undef, undef)
2491                = &prop_invmap('_Perl_Name_Alias', '_perl_core_internal_ok');
2492        for (my $i = 0; $i < @$aliases_code_points; $i++) {
2493            my $code_point = $aliases_code_points->[$i];
2494
2495            # Already removed these above.
2496            next if $code_point <= 0x1F
2497                    || ($code_point >= 0x7F && $code_point <= 0x9F);
2498
2499            my $hex_code_point = sprintf "%05X", $code_point;
2500
2501            # Convert to a list if not already to make the following loop
2502            # control uniform.
2503            $aliases_maps->[$i] = [ $aliases_maps->[$i] ]
2504                                                if ! ref $aliases_maps->[$i];
2505
2506            # Remove each alias for this code point from the file
2507            foreach my $alias (@{$aliases_maps->[$i]}) {
2508
2509                # Remove the alias type from the entry, retaining just the name.
2510                $alias =~ s/:.*//;
2511
2512                $alias = quotemeta($alias);
2513                $official =~ s/$hex_code_point \t $alias \n //x;
2514            }
2515        }
2516
2517        local $/ = "\n";
2518        chomp $official;
2519        $/ = $input_record_separator;
2520
2521        # Here have adjusted the file.  We also have to adjust the returned
2522        # inversion map by checking and deleting all the lines in it that
2523        # won't be in the file.  These are the lines that have generated
2524        # things, like <hangul syllable>.
2525        my $tested_map = "";        # Current running string
2526        my @code_point_in_names =
2527                               @Unicode::UCD::code_points_ending_in_code_point;
2528
2529        for my $i (0 .. @$invlist_ref - 1 - $upper_limit_subtract) {
2530            my $start = $invlist_ref->[$i];
2531            my $end = $invlist_ref->[$i+1] - 1;
2532            if ($invmap_ref->[$i] eq $missing) {
2533                if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2534                    || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2535                {
2536                    fail("prop_invmap('$display_prop')");
2537                    diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2538                    next PROPERTY;
2539                }
2540                next;
2541            }
2542            if ($invmap_ref->[$i] =~ / (.*) ( < .*? > )/x) {
2543                my $name = $1;
2544                my $type = $2;
2545                if (($i > 0 && $invlist_ref->[$i] <= $invlist_ref->[$i-1])
2546                    || $invlist_ref->[$i] >= $invlist_ref->[$i+1])
2547                {
2548                    fail("prop_invmap('$display_prop')");
2549                    diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2550                    next PROPERTY;
2551                }
2552                if ($type eq "<hangul syllable>") {
2553                    if ($name ne "") {
2554                        fail("prop_invmap('$display_prop')");
2555                        diag("Unexpected text in $invmap_ref->[$i]");
2556                        next PROPERTY;
2557                    }
2558                    if ($start != 0xAC00) {
2559                        fail("prop_invmap('$display_prop')");
2560                        diag(sprintf("<hangul syllables> should begin at 0xAC00, got %04X", $start));
2561                        next PROPERTY;
2562                    }
2563                    if ($end != $start + 11172 - 1) {
2564                        fail("prop_invmap('$display_prop')");
2565                        diag(sprintf("<hangul syllables> should end at %04X, got %04X", $start + 11172 -1, $end));
2566                        next PROPERTY;
2567                    }
2568                }
2569                elsif ($type ne "<code point>") {
2570                    fail("prop_invmap('$display_prop')");
2571                    diag("Unexpected text '$type' in $invmap_ref->[$i]");
2572                    next PROPERTY;
2573                }
2574                else {
2575
2576                    # Look through the array of names that end in code points,
2577                    # and look for this start and end.  If not found is an
2578                    # error.  If found, delete it, and at the end, make sure
2579                    # have deleted everything.
2580                    for my $i (0 .. @code_point_in_names - 1) {
2581                        my $hash = $code_point_in_names[$i];
2582                        if ($hash->{'low'} == $start
2583                            && $hash->{'high'} == $end
2584                            && "$hash->{'name'}-" eq $name)
2585                        {
2586                            splice @code_point_in_names, $i, 1;
2587                            last;
2588                        }
2589                        else {
2590                            fail("prop_invmap('$display_prop')");
2591                            diag("Unexpected code-point-in-name line '$invmap_ref->[$i]'");
2592                            next PROPERTY;
2593                        }
2594                    }
2595                }
2596
2597                next;
2598            }
2599
2600            # Have adjusted the map, as needed.  Append to running string.
2601            $end = ($start == $end) ? "" : sprintf("%05X", $end);
2602            $tested_map .= sprintf "%05X\t%s\n", $start, $invmap_ref->[$i];
2603        }
2604
2605        # Finished creating the string from the inversion map.  Can compare
2606        # with what the file is.
2607        local $/ = "\n";
2608        chomp $tested_map;
2609        $/ = $input_record_separator;
2610        if ($tested_map ne $official) {
2611            fail_with_diff($display_prop, $official, $tested_map, "prop_invmap");
2612            next PROPERTY;
2613        }
2614        if (@code_point_in_names) {
2615            fail("prop_invmap('$display_prop')");
2616            use Data::Dumper;
2617            diag("Missing code-point-in-name line(s)" . Dumper \@code_point_in_names);
2618            next PROPERTY;
2619        }
2620    }
2621    elsif ($format eq 's') {
2622
2623        # Here the map is not more or less directly from a file stored on
2624        # disk.  We try a different tack.  These should all be properties that
2625        # have just a few possible values (most of them are  binary).  We go
2626        # through the map list, sorting each range into buckets, one for each
2627        # map value.  Thus for binary properties there will be a bucket for Y
2628        # and one for N.  The buckets are inversion lists.  We compare each
2629        # constructed inversion list with what we would get for it using
2630        # prop_invlist(), which has already been tested.  If they all match,
2631        # the whole map must have matched.
2632        my %maps;
2633        my $previous_map;
2634
2635        for my $i (0 .. @$invlist_ref - 1 - $upper_limit_subtract) {
2636            my $range_start = $invlist_ref->[$i];
2637
2638            # Because we are sorting into buckets, things could be
2639            # out-of-order here, and still be in the correct order in the
2640            # bucket, and hence wouldn't show up as an error; so have to
2641            # check.
2642            if (($i > 0 && $range_start <= $invlist_ref->[$i-1])
2643                || $range_start >= $invlist_ref->[$i+1])
2644            {
2645                fail("prop_invmap('$display_prop')");
2646                diag(sprintf "Range beginning at %04X is out-of-order.", $invlist_ref->[$i]);
2647                next PROPERTY;
2648            }
2649
2650            # This new range closes out the range started in the previous
2651            # iteration.
2652            push @{$maps{$previous_map}}, $range_start if defined $previous_map;
2653
2654            # And starts a range which will be closed in the next iteration.
2655            $previous_map = $invmap_ref->[$i];
2656            push @{$maps{$previous_map}}, $range_start;
2657        }
2658
2659        # The range we just started hasn't been closed, and we didn't look at
2660        # the final element of the loop.  If that range is for the default
2661        # value, it shouldn't be closed, as it is to extend to infinity.  But
2662        # otherwise, it should end at the final Unicode code point, and the
2663        # list that maps to the default value should have another element that
2664        # does go to infinity for every above Unicode code point.
2665
2666        if (@$invlist_ref > 1) {
2667            my $penultimate_map = $invmap_ref->[-2];
2668            if ($penultimate_map ne $missing) {
2669
2670                # The -1th element contains the first non-Unicode code point.
2671                push @{$maps{$penultimate_map}}, $invlist_ref->[-1];
2672                push @{$maps{$missing}}, $invlist_ref->[-1];
2673            }
2674        }
2675
2676        # Here, we have the buckets (inversion lists) all constructed.  Go
2677        # through each and verify that matches what prop_invlist() returns.
2678        # We could use is_deeply() for the comparison, but would get multiple
2679        # messages for each $prop.
2680        foreach my $map (sort keys %maps) {
2681            my @off_invlist = prop_invlist("$prop = $map");
2682            my $min = (@off_invlist >= @{$maps{$map}})
2683                       ? @off_invlist
2684                       : @{$maps{$map}};
2685            for my $i (0 .. $min- 1) {
2686                if ($i > @off_invlist - 1) {
2687                    fail("prop_invmap('$display_prop')");
2688                    diag("There is no element [$i] for $prop=$map from prop_invlist(), while [$i] in the implicit one constructed from prop_invmap() is '$maps{$map}[$i]'");
2689                    next PROPERTY;
2690                }
2691                elsif ($i > @{$maps{$map}} - 1) {
2692                    fail("prop_invmap('$display_prop')");
2693                    diag("There is no element [$i] from the implicit $prop=$map constructed from prop_invmap(), while [$i] in the one from prop_invlist() is '$off_invlist[$i]'");
2694                    next PROPERTY;
2695                }
2696                elsif ($maps{$map}[$i] ne $off_invlist[$i]) {
2697                    fail("prop_invmap('$display_prop')");
2698                    diag("Element [$i] of the implicit $prop=$map constructed from prop_invmap() is '$maps{$map}[$i]', and the one from prop_invlist() is '$off_invlist[$i]'");
2699                    next PROPERTY;
2700                }
2701            }
2702        }
2703    }
2704    else {  # Don't know this property nor format.
2705
2706        fail("prop_invmap('$display_prop')");
2707        diag("Unknown property '$display_prop' or format '$format'");
2708        next PROPERTY;
2709    }
2710
2711    pass("prop_invmap('$display_prop')");
2712}
2713
2714# A few tests of search_invlist
2715use Unicode::UCD qw(search_invlist);
2716
2717if ($v_unicode_version ge v3.1.0) { # No Script property before this
2718    my ($scripts_ranges_ref, $scripts_map_ref) = prop_invmap("Script");
2719    my $index = search_invlist($scripts_ranges_ref, 0x390);
2720    is($scripts_map_ref->[$index], "Greek", "U+0390 is Greek");
2721    my @alpha_invlist = prop_invlist("Alpha");
2722    is(search_invlist(\@alpha_invlist, ord("\t")), undef, "search_invlist returns undef for code points before first one on the list");
2723}
2724
2725ok($/ eq $input_record_separator,  "The record separator didn't get overridden");
2726
2727if (! ok(@warnings == 0, "No warnings were generated")) {
2728    diag(join "\n", "The warnings are:", @warnings);
2729}
2730
2731# And make sure that the max code point returned actually fits in an IV, which
2732# currently range iterators are.
2733my $count = 0;
2734for my $i ($Unicode::UCD::MAX_CP - 1 .. $Unicode::UCD::MAX_CP) {
2735    $count++;
2736}
2737is($count, 2, "MAX_CP isn't too large");
2738
2739done_testing();
2740