1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490
|
#!./perl -w
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
eval 'require Config'; # assume defaults if this fails
}
use strict;
use open qw(:utf8 :std);
##
## If the markers used are changed (search for "MARKER1" in regcomp.c),
## update only these two regexs, and leave the {#} in the @death/@warning
## arrays below. The {#} is a meta-marker -- it marks where the marker should
## go.
##
## Returns empty string if that is what is expected. Otherwise, handles
## either a scalar, turning it into a single element array; or a ref to an
## array, adjusting each element. If called in array context, returns an
## array, otherwise the join of all elements
sub fixup_expect {
my $expect_ref = shift;
return if $expect_ref eq "";
my @expect;
if (ref $expect_ref) {
@expect = @$expect_ref;
}
else {
@expect = $expect_ref;
}
foreach my $element (@expect) {
$element =~ s/{\#}/in regex; marked by <-- HERE in/;
$element =~ s/{\#}/ <-- HERE /;
$element .= " at ";
}
return wantarray ? @expect : join "", @expect;
}
## Because we don't "use utf8" in this file, we need to do some extra legwork
## for the utf8 tests: Append 'use utf8' to the pattern, and mark the strings
## to check against as UTF-8
##
## This also creates a second variant of the tests to check if the
## latin1 error messages are working correctly.
my $l1 = "\x{ef}";
my $utf8 = "\x{30cd}";
utf8::encode($utf8);
sub mark_as_utf8 {
my @ret;
while ( my ($pat, $msg) = splice(@_, 0, 2) ) {
my $l1_pat = $pat =~ s/$utf8/$l1/gr;
my $l1_msg;
$pat = "use utf8; $pat";
if (ref $msg) {
$l1_msg = [ map { s/$utf8/$l1/gr } @$msg ];
@$msg = map { my $c = $_; utf8::decode($c); $c } @$msg;
}
else {
$l1_msg = $msg =~ s/$utf8/$l1/gr;
utf8::decode($msg);
}
push @ret, $pat => $msg;
push @ret, $l1_pat => $l1_msg unless $l1_pat =~ /#no latin1/;
}
return @ret;
}
my $inf_m1 = ($Config::Config{reg_infty} || 32767) - 1;
my $inf_p1 = $inf_m1 + 2;
##
## Key-value pairs of code/error of code that should have fatal errors.
##
my @death =
(
'/[[=foo=]]/' => 'POSIX syntax [= =] is reserved for future extensions {#} m/[[=foo=]{#}]/',
'/(?<= .*)/' => 'Variable length lookbehind not implemented in regex m/(?<= .*)/',
'/(?<= x{1000})/' => 'Lookbehind longer than 255 not implemented in regex m/(?<= x{1000})/',
'/(?@)/' => 'Sequence (?@...) not implemented {#} m/(?@{#})/',
'/(?{ 1/' => 'Missing right curly or square bracket',
'/(?(1x))/' => 'Switch condition not recognized {#} m/(?(1x{#}))/',
'/(?(1x(?#)))/'=> 'Switch condition not recognized {#} m/(?(1x{#}(?#)))/',
'/(?(1)x|y|z)/' => 'Switch (?(condition)... contains too many branches {#} m/(?(1)x|y|{#}z)/',
'/(?(x)y|x)/' => 'Unknown switch condition (?(...)) {#} m/(?(x{#})y|x)/',
'/(?/' => 'Sequence (? incomplete {#} m/(?{#}/',
'/(?;x/' => 'Sequence (?;...) not recognized {#} m/(?;{#}x/',
'/(?<;x/' => 'Group name must start with a non-digit word character {#} m/(?<;{#}x/',
'/(?\ix/' => 'Sequence (?\...) not recognized {#} m/(?\{#}ix/',
'/(?\mx/' => 'Sequence (?\...) not recognized {#} m/(?\{#}mx/',
'/(?\:x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}:x/',
'/(?\=x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}=x/',
'/(?\!x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}!x/',
'/(?\<=x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}<=x/',
'/(?\<!x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}<!x/',
'/(?\>x/' => 'Sequence (?\...) not recognized {#} m/(?\{#}>x/',
'/(?^-i:foo)/' => 'Sequence (?^-...) not recognized {#} m/(?^-{#}i:foo)/',
'/(?^-i)foo/' => 'Sequence (?^-...) not recognized {#} m/(?^-{#}i)foo/',
'/(?^d:foo)/' => 'Sequence (?^d...) not recognized {#} m/(?^d{#}:foo)/',
'/(?^d)foo/' => 'Sequence (?^d...) not recognized {#} m/(?^d{#})foo/',
'/(?^lu:foo)/' => 'Regexp modifiers "l" and "u" are mutually exclusive {#} m/(?^lu{#}:foo)/',
'/(?^lu)foo/' => 'Regexp modifiers "l" and "u" are mutually exclusive {#} m/(?^lu{#})foo/',
'/(?da:foo)/' => 'Regexp modifiers "d" and "a" are mutually exclusive {#} m/(?da{#}:foo)/',
'/(?lil:foo)/' => 'Regexp modifier "l" may not appear twice {#} m/(?lil{#}:foo)/',
'/(?aaia:foo)/' => 'Regexp modifier "a" may appear a maximum of twice {#} m/(?aaia{#}:foo)/',
'/(?i-l:foo)/' => 'Regexp modifier "l" may not appear after the "-" {#} m/(?i-l{#}:foo)/',
'/a\b{cde/' => 'Use "\b\{" instead of "\b{" {#} m/a\{#}b{cde/',
'/a\B{cde/' => 'Use "\B\{" instead of "\B{" {#} m/a\{#}B{cde/',
'/((x)/' => 'Unmatched ( {#} m/({#}(x)/',
"/x{$inf_p1}/" => "Quantifier in {,} bigger than $inf_m1 {#} m/x{{#}$inf_p1}/",
'/x**/' => 'Nested quantifiers {#} m/x**{#}/',
'/x[/' => 'Unmatched [ {#} m/x[{#}/',
'/*/', => 'Quantifier follows nothing {#} m/*{#}/',
'/\p{x/' => 'Missing right brace on \p{} {#} m/\p{{#}x/',
'/[\p{x]/' => 'Missing right brace on \p{} {#} m/[\p{{#}x]/',
'/(x)\2/' => 'Reference to nonexistent group {#} m/(x)\2{#}/',
'/\g/' => 'Unterminated \g... pattern {#} m/\g{#}/',
'/\g{1/' => 'Unterminated \g{...} pattern {#} m/\g{1{#}/',
'my $m = "\\\"; $m =~ $m', => 'Trailing \ in regex m/\/',
'/\x{1/' => 'Missing right brace on \x{} {#} m/\x{1{#}/',
'/\x{X/' => 'Missing right brace on \x{} {#} m/\x{{#}X/',
'/[\x{X]/' => 'Missing right brace on \x{} {#} m/[\x{{#}X]/',
'/[\x{A]/' => 'Missing right brace on \x{} {#} m/[\x{A{#}]/',
'/\o{1/' => 'Missing right brace on \o{ {#} m/\o{1{#}/',
'/\o{X/' => 'Missing right brace on \o{ {#} m/\o{{#}X/',
'/[\o{X]/' => 'Missing right brace on \o{ {#} m/[\o{{#}X]/',
'/[\o{7]/' => 'Missing right brace on \o{ {#} m/[\o{7{#}]/',
'/[[:barf:]]/' => 'POSIX class [:barf:] unknown {#} m/[[:barf:]{#}]/',
'/[[=barf=]]/' => 'POSIX syntax [= =] is reserved for future extensions {#} m/[[=barf=]{#}]/',
'/[[.barf.]]/' => 'POSIX syntax [. .] is reserved for future extensions {#} m/[[.barf.]{#}]/',
'/[z-a]/' => 'Invalid [] range "z-a" {#} m/[z-a{#}]/',
'/\p/' => 'Empty \p{} {#} m/\p{#}/',
'/\P{}/' => 'Empty \P{} {#} m/\P{{#}}/',
'/(?[[[:word]]])/' => "Unmatched ':' in POSIX class {#} m/(?[[[:word{#}]]])/",
'/(?[[:word]])/' => "Unmatched ':' in POSIX class {#} m/(?[[:word{#}]])/",
'/(?[[[:digit: ])/' => "Unmatched '[' in POSIX class {#} m/(?[[[:digit:{#} ])/",
'/(?[[:digit: ])/' => "Unmatched '[' in POSIX class {#} m/(?[[:digit:{#} ])/",
'/(?[[[::]]])/' => "POSIX class [::] unknown {#} m/(?[[[::]{#}]])/",
'/(?[[[:w:]]])/' => "POSIX class [:w:] unknown {#} m/(?[[[:w:]{#}]])/",
'/(?[[:w:]])/' => "POSIX class [:w:] unknown {#} m/(?[[:w:]{#}])/",
'/(?[a])/' => 'Unexpected character {#} m/(?[a{#}])/',
'/(?[\t])/l' => '(?[...]) not valid in locale {#} m/(?[{#}\t])/',
'/(?[ + \t ])/' => 'Unexpected binary operator \'+\' with no preceding operand {#} m/(?[ +{#} \t ])/',
'/(?[ \cK - ( + \t ) ])/' => 'Unexpected binary operator \'+\' with no preceding operand {#} m/(?[ \cK - ( +{#} \t ) ])/',
'/(?[ \cK ( \t ) ])/' => 'Unexpected \'(\' with no preceding operator {#} m/(?[ \cK ({#} \t ) ])/',
'/(?[ \cK \t ])/' => 'Operand with no preceding operator {#} m/(?[ \cK \t{#} ])/',
'/(?[ \0004 ])/' => 'Need exactly 3 octal digits {#} m/(?[ \0004 {#}])/',
'/(?[ \05 ])/' => 'Need exactly 3 octal digits {#} m/(?[ \05 {#}])/',
'/(?[ \o{1038} ])/' => 'Non-octal character {#} m/(?[ \o{1038{#}} ])/',
'/(?[ \o{} ])/' => 'Number with no digits {#} m/(?[ \o{}{#} ])/',
'/(?[ \x{defg} ])/' => 'Non-hex character {#} m/(?[ \x{defg{#}} ])/',
'/(?[ \xabcdef ])/' => 'Use \\x{...} for more than two hex characters {#} m/(?[ \xabc{#}def ])/',
'/(?[ \x{} ])/' => 'Number with no digits {#} m/(?[ \x{}{#} ])/',
'/(?[ \cK + ) ])/' => 'Unexpected \')\' {#} m/(?[ \cK + ){#} ])/',
'/(?[ \cK + ])/' => 'Incomplete expression within \'(?[ ])\' {#} m/(?[ \cK + {#}])/',
'/(?[ \p{foo} ])/' => 'Property \'foo\' is unknown {#} m/(?[ \p{foo}{#} ])/',
'/(?[ \p{ foo = bar } ])/' => 'Property \'foo = bar\' is unknown {#} m/(?[ \p{ foo = bar }{#} ])/',
'/(?[ \8 ])/' => 'Unrecognized escape \8 in character class {#} m/(?[ \8{#} ])/',
'/(?[ \t ]/' => 'Syntax error in (?[...]) in regex m/(?[ \t ]/',
'/(?[ [ \t ]/' => 'Syntax error in (?[...]) in regex m/(?[ [ \t ]/',
'/(?[ \t ] ]/' => 'Syntax error in (?[...]) in regex m/(?[ \t ] ]/',
'/(?[ [ ] ]/' => 'Syntax error in (?[...]) in regex m/(?[ [ ] ]/',
'/(?[ \t + \e # This was supposed to be a comment ])/' => 'Syntax error in (?[...]) in regex m/(?[ \t + \e # This was supposed to be a comment ])/',
'/(?[ ])/' => 'Incomplete expression within \'(?[ ])\' {#} m/(?[ {#}])/',
'm/(?[[a-\d]])/' => 'False [] range "a-\d" {#} m/(?[[a-\d{#}]])/',
'm/(?[[\w-x]])/' => 'False [] range "\w-" {#} m/(?[[\w-{#}x]])/',
'm/(?[[a-\pM]])/' => 'False [] range "a-\pM" {#} m/(?[[a-\pM{#}]])/',
'm/(?[[\pM-x]])/' => 'False [] range "\pM-" {#} m/(?[[\pM-{#}x]])/',
'm/(?[[\N{LATIN CAPITAL LETTER A WITH MACRON AND GRAVE}]])/' => '\N{} in character class restricted to one character {#} m/(?[[\N{U+100.300{#}}]])/',
'm/(?[ \p{Digit} & (?(?[ \p{Thai} | \p{Lao} ]))])/' => 'Sequence (?(...) not recognized {#} m/(?[ \p{Digit} & (?({#}?[ \p{Thai} | \p{Lao} ]))])/',
'm/(?[ \p{Digit} & (?:(?[ \p{Thai} | \p{Lao} ]))])/' => 'Expecting \'(?flags:(?[...\' {#} m/(?[ \p{Digit} & (?{#}:(?[ \p{Thai} | \p{Lao} ]))])/',
'm/\o{/' => 'Missing right brace on \o{ {#} m/\o{{#}/',
'm/\o/' => 'Missing braces on \o{} {#} m/\o{#}/',
'm/\o{}/' => 'Number with no digits {#} m/\o{}{#}/',
'm/[\o{]/' => 'Missing right brace on \o{ {#} m/[\o{{#}]/',
'm/[\o]/' => 'Missing braces on \o{} {#} m/[\o{#}]/',
'm/[\o{}]/' => 'Number with no digits {#} m/[\o{}{#}]/',
'm/(?^-i:foo)/' => 'Sequence (?^-...) not recognized {#} m/(?^-{#}i:foo)/',
'm/\87/' => 'Reference to nonexistent group {#} m/\87{#}/',
'm/a\87/' => 'Reference to nonexistent group {#} m/a\87{#}/',
'm/a\97/' => 'Reference to nonexistent group {#} m/a\97{#}/',
'm/(*DOOF)/' => 'Unknown verb pattern \'DOOF\' {#} m/(*DOOF){#}/',
'm/(?&a/' => 'Sequence (?&... not terminated {#} m/(?&a{#}/',
'm/(?P=/' => 'Sequence ?P=... not terminated {#} m/(?P={#}/',
"m/(?'/" => "Sequence (?'... not terminated {#} m/(?'{#}/",
"m/(?</" => "Sequence (?<... not terminated {#} m/(?<{#}/",
'm/(?&/' => 'Sequence (?&... not terminated {#} m/(?&{#}/',
'm/(?(</' => 'Sequence (?(<... not terminated {#} m/(?(<{#}/',
"m/(?('/" => "Sequence (?('... not terminated {#} m/(?('{#}/",
'm/\g{/' => 'Sequence \g{... not terminated {#} m/\g{{#}/',
'm/\k</' => 'Sequence \k<... not terminated {#} m/\k<{#}/',
'm/\cß/' => "Character following \"\\c\" must be printable ASCII",
);
my @death_utf8 = mark_as_utf8(
'/ネ[[=ネ=]]ネ/' => 'POSIX syntax [= =] is reserved for future extensions {#} m/ネ[[=ネ=]{#}]ネ/',
'/ネ(?<= .*)/' => 'Variable length lookbehind not implemented in regex m/ネ(?<= .*)/',
'/(?<= ネ{1000})/' => 'Lookbehind longer than 255 not implemented in regex m/(?<= ネ{1000})/',
'/ネ(?ネ)ネ/' => 'Sequence (?ネ...) not recognized {#} m/ネ(?ネ{#})ネ/',
'/ネ(?(1ネ))ネ/' => 'Switch condition not recognized {#} m/ネ(?(1ネ{#}))ネ/',
'/(?(1)ネ|y|ヌ)/' => 'Switch (?(condition)... contains too many branches {#} m/(?(1)ネ|y|{#}ヌ)/',
'/(?(ネ)y|ネ)/' => 'Unknown switch condition (?(...)) {#} m/(?(ネ{#})y|ネ)/',
'/ネ(?/' => 'Sequence (? incomplete {#} m/ネ(?{#}/',
'/ネ(?;ネ/' => 'Sequence (?;...) not recognized {#} m/ネ(?;{#}ネ/',
'/ネ(?<;ネ/' => 'Group name must start with a non-digit word character {#} m/ネ(?<;{#}ネ/',
'/ネ(?\ixネ/' => 'Sequence (?\...) not recognized {#} m/ネ(?\{#}ixネ/',
'/ネ(?^lu:ネ)/' => 'Regexp modifiers "l" and "u" are mutually exclusive {#} m/ネ(?^lu{#}:ネ)/',
'/ネ(?lil:ネ)/' => 'Regexp modifier "l" may not appear twice {#} m/ネ(?lil{#}:ネ)/',
'/ネ(?aaia:ネ)/' => 'Regexp modifier "a" may appear a maximum of twice {#} m/ネ(?aaia{#}:ネ)/',
'/ネ(?i-l:ネ)/' => 'Regexp modifier "l" may not appear after the "-" {#} m/ネ(?i-l{#}:ネ)/',
'/ネ((ネ)/' => 'Unmatched ( {#} m/ネ({#}(ネ)/',
"/ネ{$inf_p1}ネ/" => "Quantifier in {,} bigger than $inf_m1 {#} m/ネ{{#}$inf_p1}ネ/",
'/ネ**ネ/' => 'Nested quantifiers {#} m/ネ**{#}ネ/',
'/ネ[ネ/' => 'Unmatched [ {#} m/ネ[{#}ネ/',
'/*ネ/', => 'Quantifier follows nothing {#} m/*{#}ネ/',
'/ネ\p{ネ/' => 'Missing right brace on \p{} {#} m/ネ\p{{#}ネ/',
'/(ネ)\2ネ/' => 'Reference to nonexistent group {#} m/(ネ)\2{#}ネ/',
'/\g{ネ/; #no latin1' => 'Sequence \g{... not terminated {#} m/\g{ネ{#}/',
'my $m = "ネ\\\"; $m =~ $m', => 'Trailing \ in regex m/ネ\/',
'/\x{ネ/' => 'Missing right brace on \x{} {#} m/\x{{#}ネ/',
'/ネ[\x{ネ]ネ/' => 'Missing right brace on \x{} {#} m/ネ[\x{{#}ネ]ネ/',
'/ネ[\x{ネ]/' => 'Missing right brace on \x{} {#} m/ネ[\x{{#}ネ]/',
'/ネ\o{ネ/' => 'Missing right brace on \o{ {#} m/ネ\o{{#}ネ/',
'/ネ[[:ネ:]]ネ/' => 'POSIX class [:ネ:] unknown {#} m/ネ[[:ネ:]{#}]ネ/',
'/ネ[[=ネ=]]ネ/' => 'POSIX syntax [= =] is reserved for future extensions {#} m/ネ[[=ネ=]{#}]ネ/',
'/ネ[[.ネ.]]ネ/' => 'POSIX syntax [. .] is reserved for future extensions {#} m/ネ[[.ネ.]{#}]ネ/',
'/[ネ-a]ネ/' => 'Invalid [] range "ネ-a" {#} m/[ネ-a{#}]ネ/',
'/ネ\p{}ネ/' => 'Empty \p{} {#} m/ネ\p{{#}}ネ/',
'/ネ(?[[[:ネ]]])ネ/' => "Unmatched ':' in POSIX class {#} m/ネ(?[[[:ネ{#}]]])ネ/",
'/ネ(?[[[:ネ: ])ネ/' => "Unmatched '[' in POSIX class {#} m/ネ(?[[[:ネ:{#} ])ネ/",
'/ネ(?[[[::]]])ネ/' => "POSIX class [::] unknown {#} m/ネ(?[[[::]{#}]])ネ/",
'/ネ(?[[[:ネ:]]])ネ/' => "POSIX class [:ネ:] unknown {#} m/ネ(?[[[:ネ:]{#}]])ネ/",
'/ネ(?[[:ネ:]])ネ/' => "POSIX class [:ネ:] unknown {#} m/ネ(?[[:ネ:]{#}])ネ/",
'/ネ(?[ネ])ネ/' => 'Unexpected character {#} m/ネ(?[ネ{#}])ネ/',
'/ネ(?[ネ])/l' => '(?[...]) not valid in locale {#} m/ネ(?[{#}ネ])/',
'/ネ(?[ + [ネ] ])/' => 'Unexpected binary operator \'+\' with no preceding operand {#} m/ネ(?[ +{#} [ネ] ])/',
'/ネ(?[ \cK - ( + [ネ] ) ])/' => 'Unexpected binary operator \'+\' with no preceding operand {#} m/ネ(?[ \cK - ( +{#} [ネ] ) ])/',
'/ネ(?[ \cK ( [ネ] ) ])/' => 'Unexpected \'(\' with no preceding operator {#} m/ネ(?[ \cK ({#} [ネ] ) ])/',
'/ネ(?[ \cK [ネ] ])ネ/' => 'Operand with no preceding operator {#} m/ネ(?[ \cK [ネ{#}] ])ネ/',
'/ネ(?[ \0004 ])ネ/' => 'Need exactly 3 octal digits {#} m/ネ(?[ \0004 {#}])ネ/',
'/(?[ \o{ネ} ])ネ/' => 'Non-octal character {#} m/(?[ \o{ネ{#}} ])ネ/',
'/ネ(?[ \o{} ])ネ/' => 'Number with no digits {#} m/ネ(?[ \o{}{#} ])ネ/',
'/(?[ \x{ネ} ])ネ/' => 'Non-hex character {#} m/(?[ \x{ネ{#}} ])ネ/',
'/(?[ \p{ネ} ])/' => 'Property \'ネ\' is unknown {#} m/(?[ \p{ネ}{#} ])/',
'/(?[ \p{ ネ = bar } ])/' => 'Property \'ネ = bar\' is unknown {#} m/(?[ \p{ ネ = bar }{#} ])/',
'/ネ(?[ \t ]/' => 'Syntax error in (?[...]) in regex m/ネ(?[ \t ]/',
'/(?[ \t + \e # ネ This was supposed to be a comment ])/' => 'Syntax error in (?[...]) in regex m/(?[ \t + \e # ネ This was supposed to be a comment ])/',
'm/(*ネ)ネ/' => q<Unknown verb pattern 'ネ' {#} m/(*ネ){#}ネ/>,
'/\cネ/' => "Character following \"\\c\" must be printable ASCII",
);
push @death, @death_utf8;
# Tests involving a user-defined charnames translator are in pat_advanced.t
# In the following arrays of warnings, the value can be an array of things to
# expect. If the empty string, it means no warning should be raised.
##
## Key-value pairs of code/error of code that should have non-fatal regexp warnings.
##
my @warning = (
'm/\b*/' => '\b* matches null string many times {#} m/\b*{#}/',
'm/[:blank:]/' => 'POSIX syntax [: :] belongs inside character classes {#} m/[:blank:]{#}/',
"m'[\\y]'" => 'Unrecognized escape \y in character class passed through {#} m/[\y{#}]/',
'm/[a-\d]/' => 'False [] range "a-\d" {#} m/[a-\d{#}]/',
'm/[\w-x]/' => 'False [] range "\w-" {#} m/[\w-{#}x]/',
'm/[a-\pM]/' => 'False [] range "a-\pM" {#} m/[a-\pM{#}]/',
'm/[\pM-x]/' => 'False [] range "\pM-" {#} m/[\pM-{#}x]/',
"m'\\y'" => 'Unrecognized escape \y passed through {#} m/\y{#}/',
'/x{3,1}/' => 'Quantifier {n,m} with n > m can\'t match {#} m/x{3,1}{#}/',
'/\08/' => '\'\08\' resolved to \'\o{0}8\' {#} m/\08{#}/',
'/\018/' => '\'\018\' resolved to \'\o{1}8\' {#} m/\018{#}/',
'/[\08]/' => '\'\08\' resolved to \'\o{0}8\' {#} m/[\08{#}]/',
'/[\018]/' => '\'\018\' resolved to \'\o{1}8\' {#} m/[\018{#}]/',
'/(?=a)*/' => '(?=a)* matches null string many times {#} m/(?=a)*{#}/',
'my $x = \'\m\'; qr/a$x/' => 'Unrecognized escape \m passed through {#} m/a\m{#}/',
'/\q/' => 'Unrecognized escape \q passed through {#} m/\q{#}/',
'/\q{/' => 'Unrecognized escape \q{ passed through {#} m/\q{{#}/',
'/(?=a){1,3}/' => 'Quantifier unexpected on zero-length expression {#} m/(?=a){1,3}{#}/',
'/(a|b)(?=a){3}/' => 'Quantifier unexpected on zero-length expression {#} m/(a|b)(?=a){3}{#}/',
'/\_/' => "",
'/[\_\0]/' => "",
'/[\07]/' => "",
'/[\006]/' => "",
'/[\0005]/' => "",
'/[\8\9]/' => ['Unrecognized escape \8 in character class passed through {#} m/[\8{#}\9]/',
'Unrecognized escape \9 in character class passed through {#} m/[\8\9{#}]/',
],
'/[:alpha:]/' => 'POSIX syntax [: :] belongs inside character classes {#} m/[:alpha:]{#}/',
'/[:zog:]/' => 'POSIX syntax [: :] belongs inside character classes {#} m/[:zog:]{#}/',
'/[.zog.]/' => 'POSIX syntax [. .] belongs inside character classes {#} m/[.zog.]{#}/',
'/[a-b]/' => "",
'/[a-\d]/' => 'False [] range "a-\d" {#} m/[a-\d{#}]/',
'/[\d-b]/' => 'False [] range "\d-" {#} m/[\d-{#}b]/',
'/[\s-\d]/' => 'False [] range "\s-" {#} m/[\s-{#}\d]/',
'/[\d-\s]/' => 'False [] range "\d-" {#} m/[\d-{#}\s]/',
'/[a-[:digit:]]/' => 'False [] range "a-[:digit:]" {#} m/[a-[:digit:]{#}]/',
'/[[:digit:]-b]/' => 'False [] range "[:digit:]-" {#} m/[[:digit:]-{#}b]/',
'/[[:alpha:]-[:digit:]]/' => 'False [] range "[:alpha:]-" {#} m/[[:alpha:]-{#}[:digit:]]/',
'/[[:digit:]-[:alpha:]]/' => 'False [] range "[:digit:]-" {#} m/[[:digit:]-{#}[:alpha:]]/',
'/[a\zb]/' => 'Unrecognized escape \z in character class passed through {#} m/[a\z{#}b]/',
'/(?c)/' => 'Useless (?c) - use /gc modifier {#} m/(?c{#})/',
'/(?-c)/' => 'Useless (?-c) - don\'t use /gc modifier {#} m/(?-c{#})/',
'/(?g)/' => 'Useless (?g) - use /g modifier {#} m/(?g{#})/',
'/(?-g)/' => 'Useless (?-g) - don\'t use /g modifier {#} m/(?-g{#})/',
'/(?o)/' => 'Useless (?o) - use /o modifier {#} m/(?o{#})/',
'/(?-o)/' => 'Useless (?-o) - don\'t use /o modifier {#} m/(?-o{#})/',
'/(?g-o)/' => [ 'Useless (?g) - use /g modifier {#} m/(?g{#}-o)/',
'Useless (?-o) - don\'t use /o modifier {#} m/(?g-o{#})/',
],
'/(?g-c)/' => [ 'Useless (?g) - use /g modifier {#} m/(?g{#}-c)/',
'Useless (?-c) - don\'t use /gc modifier {#} m/(?g-c{#})/',
],
# (?c) means (?g) error won't be thrown
'/(?o-cg)/' => [ 'Useless (?o) - use /o modifier {#} m/(?o{#}-cg)/',
'Useless (?-c) - don\'t use /gc modifier {#} m/(?o-c{#}g)/',
],
'/(?ogc)/' => [ 'Useless (?o) - use /o modifier {#} m/(?o{#}gc)/',
'Useless (?g) - use /g modifier {#} m/(?og{#}c)/',
'Useless (?c) - use /gc modifier {#} m/(?ogc{#})/',
],
'/a{1,1}?/' => 'Useless use of greediness modifier \'?\' {#} m/a{1,1}?{#}/',
);
my @warnings_utf8 = mark_as_utf8(
'm/ネ\b*ネ/' => '\b* matches null string many times {#} m/ネ\b*{#}ネ/',
'/(?=ネ)*/' => '(?=ネ)* matches null string many times {#} m/(?=ネ)*{#}/',
'm/ネ[:foo:]ネ/' => 'POSIX syntax [: :] belongs inside character classes {#} m/ネ[:foo:]{#}ネ/',
"m'ネ[\\y]ネ'" => 'Unrecognized escape \y in character class passed through {#} m/ネ[\y{#}]ネ/',
'm/ネ[ネ-\d]ネ/' => 'False [] range "ネ-\d" {#} m/ネ[ネ-\d{#}]ネ/',
'm/ネ[\w-ネ]ネ/' => 'False [] range "\w-" {#} m/ネ[\w-{#}ネ]ネ/',
'm/ネ[ネ-\pM]ネ/' => 'False [] range "ネ-\pM" {#} m/ネ[ネ-\pM{#}]ネ/',
'/ネ[ネ-[:digit:]]ネ/' => 'False [] range "ネ-[:digit:]" {#} m/ネ[ネ-[:digit:]{#}]ネ/',
'/ネ[\d-\s]ネ/' => 'False [] range "\d-" {#} m/ネ[\d-{#}\s]ネ/',
'/ネ[a\zb]ネ/' => 'Unrecognized escape \z in character class passed through {#} m/ネ[a\z{#}b]ネ/',
'/ネ(?c)ネ/' => 'Useless (?c) - use /gc modifier {#} m/ネ(?c{#})ネ/',
'/utf8 ネ (?ogc) ネ/' => [
'Useless (?o) - use /o modifier {#} m/utf8 ネ (?o{#}gc) ネ/',
'Useless (?g) - use /g modifier {#} m/utf8 ネ (?og{#}c) ネ/',
'Useless (?c) - use /gc modifier {#} m/utf8 ネ (?ogc{#}) ネ/',
],
);
push @warning, @warnings_utf8;
my @experimental_regex_sets = (
'/(?[ \t ])/' => 'The regex_sets feature is experimental {#} m/(?[{#} \t ])/',
'use utf8; /utf8 ネ (?[ [\tネ] ])/' => do { use utf8; 'The regex_sets feature is experimental {#} m/utf8 ネ (?[{#} [\tネ] ])/' },
'/noutf8 ネ (?[ [\tネ] ])/' => 'The regex_sets feature is experimental {#} m/noutf8 ネ (?[{#} [\tネ] ])/',
);
my @deprecated = (
"/(?x)latin1\\\x{85}\x{85}\\\x{85}/" => 'Escape literal pattern white space under /x {#} ' . "m/(?x)latin1\\\x{85}\x{85}{#}\\\x{85}/",
'use utf8; /(?x)utf8\
\
/' => 'Escape literal pattern white space under /x {#} ' . "m/(?x)utf8\\\N{NEXT LINE}\N{NEXT LINE}{#}\\\N{NEXT LINE}/",
'/((?# This is a comment in the middle of a token)?:foo)/' => 'In \'(?...)\', splitting the initial \'(?\' is deprecated {#} m/((?# This is a comment in the middle of a token)?{#}:foo)/',
'/((?# This is a comment in the middle of a token)*FAIL)/' => 'In \'(*VERB...)\', splitting the initial \'(*\' is deprecated {#} m/((?# This is a comment in the middle of a token)*{#}FAIL)/',
);
while (my ($regex, $expect) = splice @death, 0, 2) {
my $expect = fixup_expect($expect);
no warnings 'experimental::regex_sets';
# skip the utf8 test on EBCDIC since they do not die
next if $::IS_EBCDIC && $regex =~ /utf8/;
warning_is(sub {
$_ = "x";
eval $regex;
like($@, qr/\Q$expect/, $regex);
}, undef, "... and died without any other warnings");
}
foreach my $ref (\@warning, \@experimental_regex_sets, \@deprecated) {
my $warning_type = ($ref == \@warning)
? 'regexp'
: ($ref == \@deprecated)
? 'regexp, deprecated'
: 'experimental::regex_sets';
while (my ($regex, $expect) = splice @$ref, 0, 2) {
my @expect = fixup_expect($expect);
{
$_ = "x";
no warnings;
eval $regex;
}
if (is($@, "", "$regex did not die")) {
my @got = capture_warnings(sub {
$_ = "x";
eval $regex });
my $count = @expect;
if (! is(scalar @got, scalar @expect, "... and gave expected number ($count) of warnings")) {
if (@got < @expect) {
$count = @got;
note "Expected warnings not gotten:\n\t" . join "\n\t", @expect[$count .. $#expect];
}
else {
note "Unexpected warnings gotten:\n\t" . join("\n\t", @got[$count .. $#got]);
}
}
foreach my $i (0 .. $count - 1) {
if (! like($got[$i], qr/\Q$expect[$i]/, "... and gave expected warning")) {
chomp($got[$i]);
chomp($expect[$i]);
diag("GOT\n'$got[$i]'\nEXPECT\n'$expect[$i]'");
}
else {
ok (0 == capture_warnings(sub {
$_ = "x";
eval "no warnings '$warning_type'; $regex;" }
),
"... and turning off '$warning_type' warnings suppressed it");
# Test that whether the warning is on by default is
# correct. Experimental and deprecated warnings are;
# others are not. This test relies on the fact that we
# are outside the scope of any ‘use warnings’.
local $^W;
my $on = 'on' x ($warning_type ne 'regexp');
ok !!$on ==
capture_warnings(sub { $_ = "x"; eval $regex }),
"... and the warning is " . ($on||'off')
. " by default";
}
}
}
}
}
done_testing();
|