1#!perl -w
2
3BEGIN {
4    require 'loc_tools.pl';   # Contains locales_enabled() and
5                              # find_utf8_ctype_locale()
6}
7
8use strict;
9use Test::More;
10use Config;
11
12use XS::APItest;
13
14my $tab = " " x 4;  # Indent subsidiary tests this much
15
16use Unicode::UCD qw(search_invlist prop_invmap prop_invlist);
17my ($charname_list, $charname_map, $format, $default) = prop_invmap("Name Alias");
18
19sub get_charname($) {
20    my $cp = shift;
21
22    # If there is a an abbreviation for the code point name, use it
23    my $name_index = search_invlist(\@{$charname_list}, $cp);
24    if (defined $name_index) {
25        my $synonyms = $charname_map->[$name_index];
26        if (ref $synonyms) {
27            my $pat = qr/: abbreviation/;
28            my @abbreviations = grep { $_ =~ $pat } @$synonyms;
29            if (@abbreviations) {
30                return $abbreviations[0] =~ s/$pat//r;
31            }
32        }
33    }
34
35    # Otherwise, use the full name
36    use charnames ();
37    return charnames::viacode($cp) // "No name";
38}
39
40sub truth($) {  # Converts values so is() works
41    return (shift) ? 1 : 0;
42}
43
44my $base_locale;
45my $utf8_locale;
46if(locales_enabled('LC_ALL')) {
47    require POSIX;
48    $base_locale = POSIX::setlocale( &POSIX::LC_ALL, "C");
49    if (defined $base_locale && $base_locale eq 'C') {
50        use locale; # make \w work right in non-ASCII lands
51
52        # Some locale implementations don't have the 128-255 characters all
53        # mean nothing.  Skip the locale tests in that situation
54        for my $u (128 .. 255) {
55            if (chr(utf8::unicode_to_native($u)) =~ /[[:print:]]/) {
56                undef $base_locale;
57                last;
58            }
59        }
60
61        $utf8_locale = find_utf8_ctype_locale() if $base_locale;
62    }
63}
64
65sub get_display_locale_or_skip($$) {
66
67    # Helper function intimately tied to its callers.  It knows the loop
68    # iterates with a locale of "", meaning don't use locale; $base_locale
69    # meaning to use a non-UTF-8 locale; and $utf8_locale.
70    #
71    # It checks to see if the current test should be skipped or executed,
72    # returning an empty list for the former, and for the latter:
73    #   ( 'locale display name',
74    #     bool of is this a UTF-8 locale )
75    #
76    # The display name is the empty string if not using locale.  Functions
77    # with _LC in their name are skipped unless in locale, and functions
78    # without _LC are executed only outside locale.
79
80    my ($locale, $suffix) = @_;
81
82    # The test should be skipped if the input is for a non-existent locale
83    return unless defined $locale;
84
85    # Here the input is defined, either a locale name or "".  If the test is
86    # for not using locales, we want to do the test for non-LC functions,
87    # and skip it for LC ones.
88    if ($locale eq "") {
89        return ("", 0) if $suffix !~ /LC/;
90        return;
91    }
92
93    # Here the input is for a real locale.  We don't test the non-LC functions
94    # for locales.
95    return if $suffix !~ /LC/;
96
97    # Here is for a LC function and a real locale.  The base locale is not
98    # UTF-8.
99    return (" ($locale locale)", 0) if $locale eq $base_locale;
100
101    # The only other possibility is that we have a UTF-8 locale
102    return (" ($locale)", 1);
103}
104
105sub try_malforming($$$)
106{
107    # Determines if the tests for malformed UTF-8 should be done.  When done,
108    # the .xs code creates malformations by pretending the length is shorter
109    # than it actually is.  Some things can't be malformed, and sometimes this
110    # test knows that the current code doesn't look for a malformation under
111    # various circumstances.
112
113    my ($u, $function, $using_locale) = @_;
114    # $u is unicode code point;
115
116    # Single bytes can't be malformed
117    return 0 if $u < ((ord "A" == 65) ? 128 : 160);
118
119    # ASCII doesn't need to ever look beyond the first byte.
120    return 0 if $function eq "ASCII";
121
122    # Nor, on EBCDIC systems, does CNTRL
123    return 0 if ord "A" != 65 && $function eq "CNTRL";
124
125    # No controls above 255, so the code doesn't look at those
126    return 0 if $u > 255 && $function eq "CNTRL";
127
128    # No non-ASCII digits below 256, except if using locales.
129    return 0 if $u < 256 && ! $using_locale && $function =~ /X?DIGIT/;
130
131    return 1;
132}
133
134my %properties = (
135                   # name => Lookup-property name
136                   alnum => 'Word',
137                   wordchar => 'Word',
138                   alphanumeric => 'Alnum',
139                   alpha => 'XPosixAlpha',
140                   ascii => 'ASCII',
141                   blank => 'Blank',
142                   cntrl => 'Control',
143                   digit => 'Digit',
144                   graph => 'Graph',
145                   idfirst => '_Perl_IDStart',
146                   idcont => '_Perl_IDCont',
147                   lower => 'XPosixLower',
148                   print => 'Print',
149                   psxspc => 'XPosixSpace',
150                   punct => 'XPosixPunct',
151                   quotemeta => '_Perl_Quotemeta',
152                   space => 'XPerlSpace',
153                   vertws => 'VertSpace',
154                   upper => 'XPosixUpper',
155                   xdigit => 'XDigit',
156                );
157
158my %seen;
159my @warnings;
160local $SIG{__WARN__} = sub { push @warnings, @_ };
161
162my %utf8_param_code = (
163                        "_safe"                 =>  0,
164                        "_safe, malformed"      =>  1,
165                      );
166
167# This test is split into this number of files.
168my $num_test_files = $ENV{TEST_JOBS} || 1;
169$::TEST_CHUNK = 0 if $num_test_files == 1 && ! defined $::TEST_CHUNK;
170$num_test_files = 10 if $num_test_files > 10;
171
172my $property_count = -1;
173foreach my $name (sort keys %properties, 'octal') {
174
175    # We test every nth property in this run so that this test is split into
176    # smaller chunks to minimize test suite elapsed time when run in parallel.
177    $property_count++;
178    next if $property_count % $num_test_files != $::TEST_CHUNK;
179
180    my @invlist;
181    if ($name eq 'octal') {
182        # Hand-roll an inversion list with 0-7 in it and nothing else.
183        push @invlist, ord "0", ord "8";
184    }
185    else {
186        my $property = $properties{$name};
187        @invlist = prop_invlist($property, '_perl_core_internal_ok');
188        if (! @invlist) {
189
190            # An empty return could mean an unknown property, or merely that
191            # it is empty.  Call in scalar context to differentiate
192            if (! prop_invlist($property, '_perl_core_internal_ok')) {
193                fail("No inversion list found for $property");
194                next;
195            }
196        }
197    }
198
199    # Include all the Latin1 code points, plus 0x100.
200    my @code_points = (0 .. 256);
201
202    # Then include the next few boundaries above those from this property
203    my $above_latins = 0;
204    foreach my $range_start (@invlist) {
205        next if $range_start < 257;
206        push @code_points, $range_start - 1, $range_start;
207        $above_latins++;
208        last if $above_latins > 5;
209    }
210
211    # This makes sure we are using the Perl definition of idfirst and idcont,
212    # and not the Unicode.  There are a few differences.
213    push @code_points, ord "\N{ESTIMATED SYMBOL}" if $name =~ /^id(first|cont)/;
214    if ($name eq "idcont") {    # And some that are continuation but not start
215        push @code_points, ord("\N{GREEK ANO TELEIA}"),
216                           ord("\N{COMBINING GRAVE ACCENT}");
217    }
218
219    # And finally one non-Unicode code point.
220    push @code_points, 0x110000;    # Above Unicode, no prop should match
221    no warnings 'non_unicode';
222
223    for my $n (@code_points) {
224        my $u = utf8::native_to_unicode($n);
225        my $function = uc($name);
226
227        is (@warnings, 0, "Got no unexpected warnings in previous iteration")
228           or diag("@warnings");
229        undef @warnings;
230
231        my $matches = search_invlist(\@invlist, $n);
232        if (! defined $matches) {
233            $matches = 0;
234        }
235        else {
236            $matches = truth(! ($matches % 2));
237        }
238
239        my $ret;
240        my $char_name = get_charname($n);
241        my $display_name = sprintf "\\x{%02X, %s}", $n, $char_name;
242        my $display_call = "is${function}( $display_name )";
243
244        foreach my $suffix ("", "_A", "_L1", "_LC", "_uni", "_uvchr",
245                            "_LC_uvchr", "_utf8", "_LC_utf8")
246        {
247
248            # Not all possible macros have been defined
249            if ($name eq 'vertws') {
250
251                # vertws is always all of Unicode
252                next if $suffix !~ / ^ _ ( uni | uvchr | utf8 ) $ /x;
253            }
254            elsif ($name eq 'alnum') {
255
256                # ALNUM_A, ALNUM_L1, and ALNUM_uvchr are not defined as these
257                # suffixes were added later, after WORDCHAR was created to be
258                # a clearer synonym for ALNUM
259                next if    $suffix eq '_A'
260                        || $suffix eq '_L1'
261                        || $suffix eq '_uvchr';
262            }
263            elsif ($name eq 'octal') {
264                next if $suffix ne ""  && $suffix ne '_A' && $suffix ne '_L1';
265            }
266            elsif ($name eq 'quotemeta') {
267                # There is only one macro for this, and is defined only for
268                # Latin1 range
269                next if $suffix ne ""
270            }
271
272            foreach my $locale ("", $base_locale, $utf8_locale) {
273
274                my ($display_locale, $locale_is_utf8)
275                                = get_display_locale_or_skip($locale, $suffix);
276                next unless defined $display_locale;
277
278                use if $locale, "locale";
279                POSIX::setlocale( &POSIX::LC_ALL, $locale) if $locale;
280
281                if ($suffix !~ /utf8/) {    # _utf8 has to handled specially
282                    my $display_call
283                       = "is${function}$suffix( $display_name )$display_locale";
284                    $ret = truth eval "test_is${function}$suffix($n)";
285                    if (is ($@, "", "$display_call didn't give error")) {
286                        my $truth = $matches;
287                        if ($truth) {
288
289                            # The single byte functions are false for
290                            # above-Latin1
291                            if ($n >= 256) {
292                                $truth = 0
293                                        if $suffix=~ / ^ ( _A | _L [1C] )? $ /x;
294                            }
295                            elsif (   $u >= 128
296                                   && $name ne 'quotemeta')
297                            {
298
299                                # The no-suffix and _A functions are false
300                                # for non-ASCII.  So are  _LC  functions on a
301                                # non-UTF-8 locale
302                                $truth = 0 if    $suffix eq "_A"
303                                              || $suffix eq ""
304                                              || (     $suffix =~ /LC/
305                                                  && ! $locale_is_utf8);
306                            }
307                        }
308
309                        is ($ret, $truth, "${tab}And correctly returns $truth");
310                    }
311                }
312                else {  # _utf8 suffix
313                    my $char = chr($n);
314                    utf8::upgrade($char);
315                    $char = quotemeta $char if $char eq '\\' || $char eq "'";
316                    my $truth;
317                    if (   $suffix =~ /LC/
318                        && ! $locale_is_utf8
319                        && $n < 256
320                        && $u >= 128)
321                    {   # The C-locale _LC function returns FALSE for Latin1
322                        # above ASCII
323                        $truth = 0;
324                    }
325                    else {
326                        $truth = $matches;
327                    }
328
329                    foreach my $utf8_param("_safe",
330                                           "_safe, malformed",
331                                          )
332                    {
333                        my $utf8_param_code = $utf8_param_code{$utf8_param};
334                        my $expect_error = $utf8_param_code > 0;
335                        next if      $expect_error
336                                && ! try_malforming($u, $function,
337                                                    $suffix =~ /LC/);
338
339                        my $display_call = "is${function}$suffix( $display_name"
340                                         . ", $utf8_param )$display_locale";
341                        $ret = truth eval "test_is${function}$suffix('$char',"
342                                        . " $utf8_param_code)";
343                        if ($expect_error) {
344                            isnt ($@, "",
345                                    "expected and got error in $display_call");
346                            like($@, qr/Malformed UTF-8 character/,
347                                "${tab}And got expected message");
348                            if (is (@warnings, 1,
349                                           "${tab}Got a single warning besides"))
350                            {
351                                like($warnings[0],
352                                     qr/Malformed UTF-8 character.*short/,
353                                     "${tab}Got expected warning");
354                            }
355                            else {
356                                diag("@warnings");
357                            }
358                            undef @warnings;
359                        }
360                        elsif (is ($@, "", "$display_call didn't give error")) {
361                            is ($ret, $truth,
362                                "${tab}And correctly returned $truth");
363                            if ($utf8_param_code < 0) {
364                                my $warnings_ok;
365                                my $unique_function = "is" . $function . $suffix;
366                                if (! $seen{$unique_function}++) {
367                                    $warnings_ok = is(@warnings, 1,
368                                        "${tab}This is first call to"
369                                      . " $unique_function; Got a single"
370                                      . " warning");
371                                    if ($warnings_ok) {
372                                        $warnings_ok = like($warnings[0],
373                qr/starting in Perl .* will require an additional parameter/,
374                                            "${tab}The warning was the expected"
375                                          . " deprecation one");
376                                    }
377                                }
378                                else {
379                                    $warnings_ok = is(@warnings, 0,
380                                        "${tab}This subsequent call to"
381                                      . " $unique_function did not warn");
382                                }
383                                $warnings_ok or diag("@warnings");
384                                undef @warnings;
385                            }
386                        }
387                    }
388                }
389            }
390        }
391    }
392}
393
394my %to_properties = (
395                FOLD  => 'Case_Folding',
396                LOWER => 'Lowercase_Mapping',
397                TITLE => 'Titlecase_Mapping',
398                UPPER => 'Uppercase_Mapping',
399            );
400
401$property_count = -1;
402foreach my $name (sort keys %to_properties) {
403
404    $property_count++;
405    next if $property_count % $num_test_files != $::TEST_CHUNK;
406
407    my $property = $to_properties{$name};
408    my ($list_ref, $map_ref, $format, $missing)
409                                      = prop_invmap($property, );
410    if (! $list_ref || ! $map_ref) {
411        fail("No inversion map found for $property");
412        next;
413    }
414    if ($format !~ / ^ a l? $ /x) {
415        fail("Unexpected inversion map format ('$format') found for $property");
416        next;
417    }
418
419    # Include all the Latin1 code points, plus 0x100.
420    my @code_points = (0 .. 256);
421
422    # Then include the next few multi-char folds above those from this
423    # property, and include the next few single folds as well
424    my $above_latins = 0;
425    my $multi_char = 0;
426    for my $i (0 .. @{$list_ref} - 1) {
427        my $range_start = $list_ref->[$i];
428        next if $range_start < 257;
429        if (ref $map_ref->[$i] && $multi_char < 5)  {
430            push @code_points, $range_start - 1
431                                        if $code_points[-1] != $range_start - 1;
432            push @code_points, $range_start;
433            $multi_char++;
434        }
435        elsif ($above_latins < 5) {
436            push @code_points, $range_start - 1
437                                        if $code_points[-1] != $range_start - 1;
438            push @code_points, $range_start;
439            $above_latins++;
440        }
441        last if $above_latins >= 5 && $multi_char >= 5;
442    }
443
444    # And finally one non-Unicode code point.
445    push @code_points, 0x110000;    # Above Unicode, no prop should match
446    no warnings 'non_unicode';
447
448    # $n is native; $u unicode.
449    for my $n (@code_points) {
450        my $u = utf8::native_to_unicode($n);
451        my $function = $name;
452
453        my $index = search_invlist(\@{$list_ref}, $n);
454
455        my $ret;
456        my $char_name = get_charname($n);
457        my $display_name = sprintf "\\N{U+%02X, %s}", $n, $char_name;
458
459        foreach my $suffix ("", "_L1", "_LC") {
460
461            # This is the only macro defined for L1
462            next if $suffix eq "_L1" && $function ne "LOWER";
463
464          SKIP:
465            foreach my $locale ("", $base_locale, $utf8_locale) {
466
467                # titlecase is not defined in locales.
468                next if $name eq 'TITLE' && $suffix eq "_LC";
469
470                my ($display_locale, $locale_is_utf8)
471                                = get_display_locale_or_skip($locale, $suffix);
472                next unless defined $display_locale;
473
474                skip("to${name}_LC does not work for LATIN SMALL LETTER SHARP S"
475                  . "$display_locale", 1)
476                            if  $u == 0xDF && $name =~ / FOLD | UPPER /x
477                             && $suffix eq "_LC" && $locale_is_utf8;
478
479                use if $locale, "locale";
480                POSIX::setlocale( &POSIX::LC_ALL, $locale) if $locale;
481
482                my $display_call = "to${function}$suffix("
483                                 . " $display_name )$display_locale";
484                $ret = eval "test_to${function}$suffix($n)";
485                if (is ($@, "", "$display_call didn't give error")) {
486                    my $should_be;
487                    if ($n > 255) {
488                        $should_be = $n;
489                    }
490                    elsif (     $u > 127
491                            && (   $suffix eq ""
492                                || ($suffix eq "_LC" && ! $locale_is_utf8)))
493                    {
494                        $should_be = $n;
495                    }
496                    elsif ($map_ref->[$index] != $missing) {
497                        $should_be = $map_ref->[$index] + $n - $list_ref->[$index]
498                    }
499                    else {
500                        $should_be = $n;
501                    }
502
503                    is ($ret, $should_be,
504                        sprintf("${tab}And correctly returned 0x%02X",
505                                                              $should_be));
506                }
507            }
508        }
509
510        # The _uni, uvchr, and _utf8 functions return both the ordinal of the
511        # first code point of the result, and the result in utf8.  The .xs
512        # tests return these in an array, in [0] and [1] respectively, with
513        # [2] the length of the utf8 in bytes.
514        my $utf8_should_be = "";
515        my $first_ord_should_be;
516        if (ref $map_ref->[$index]) {   # A multi-char result
517            for my $n (0 .. @{$map_ref->[$index]} - 1) {
518                $utf8_should_be .= chr $map_ref->[$index][$n];
519            }
520
521            $first_ord_should_be = $map_ref->[$index][0];
522        }
523        else {  # A single-char result
524            $first_ord_should_be = ($map_ref->[$index] != $missing)
525                                    ? $map_ref->[$index] + $n
526                                                         - $list_ref->[$index]
527                                    : $n;
528            $utf8_should_be = chr $first_ord_should_be;
529        }
530        utf8::upgrade($utf8_should_be);
531
532        # Test _uni, uvchr
533        foreach my $suffix ('_uni', '_uvchr') {
534            my $s;
535            my $len;
536            my $display_call = "to${function}$suffix( $display_name )";
537            $ret = eval "test_to${function}$suffix($n)";
538            if (is ($@, "", "$display_call didn't give error")) {
539                is ($ret->[0], $first_ord_should_be,
540                    sprintf("${tab}And correctly returned 0x%02X",
541                                                    $first_ord_should_be));
542                is ($ret->[1], $utf8_should_be, "${tab}Got correct utf8");
543                use bytes;
544                is ($ret->[2], length $utf8_should_be,
545                    "${tab}Got correct number of bytes for utf8 length");
546            }
547        }
548
549        # Test _utf8
550        my $char = chr($n);
551        utf8::upgrade($char);
552        $char = quotemeta $char if $char eq '\\' || $char eq "'";
553        foreach my $utf8_param("_safe",
554                                "_safe, malformed",
555                                )
556        {
557            use Config;
558            next if    $utf8_param eq 'deprecated mathoms'
559                    && $Config{'ccflags'} =~ /-DNO_MATHOMS/;
560
561            my $utf8_param_code = $utf8_param_code{$utf8_param};
562            my $expect_error = $utf8_param_code > 0;
563
564            # Skip if can't malform (because is a UTF-8 invariant)
565            next if $expect_error && $u < ((ord "A" == 65) ? 128 : 160);
566
567            my $display_call = "to${function}_utf8($display_name, $utf8_param )";
568            $ret = eval   "test_to${function}_utf8('$char', $utf8_param_code)";
569            if ($expect_error) {
570                isnt ($@, "", "expected and got error in $display_call");
571                like($@, qr/Malformed UTF-8 character/,
572                     "${tab}And got expected message");
573                undef @warnings;
574            }
575            elsif (is ($@, "", "$display_call didn't give error")) {
576                is ($ret->[0], $first_ord_should_be,
577                    sprintf("${tab}And correctly returned 0x%02X",
578                                                    $first_ord_should_be));
579                is ($ret->[1], $utf8_should_be, "${tab}Got correct utf8");
580                use bytes;
581                is ($ret->[2], length $utf8_should_be,
582                    "${tab}Got correct number of bytes for utf8 length");
583                if ($utf8_param_code < 0) {
584                    my $warnings_ok;
585                    if (! $seen{"${function}_utf8$utf8_param"}++) {
586                        $warnings_ok = is(@warnings, 1,
587                                                   "${tab}Got a single warning");
588                        if ($warnings_ok) {
589                            my $expected;
590                            if ($utf8_param_code == -2) {
591                                my $lc_func = lc $function;
592                                $expected
593                = qr/starting in Perl .* to_utf8_$lc_func\(\) will be removed/;
594                            }
595                            else {
596                                $expected
597                = qr/starting in Perl .* will require an additional parameter/;
598                            }
599                            $warnings_ok = like($warnings[0], $expected,
600                                      "${tab}Got expected deprecation warning");
601                        }
602                    }
603                    else {
604                        $warnings_ok = is(@warnings, 0,
605                                  "${tab}Deprecation warned only the one time");
606                    }
607                    $warnings_ok or diag("@warnings");
608                    undef @warnings;
609                }
610            }
611        }
612    }
613}
614
615# This is primarily to make sure that no non-Unicode warnings get generated
616is(scalar @warnings, 0, "No unexpected warnings were generated in the tests")
617  or diag @warnings;
618
619done_testing;
620