| 1 | #!./perl |
| 2 | # |
| 3 | # This is a home for regular expression tests that don't fit into |
| 4 | # the format supported by op/regexp.t. If you want to add a test |
| 5 | # that does fit that format, add it to op/re_tests, not here. |
| 6 | |
| 7 | print "1..168\n"; |
| 8 | |
| 9 | BEGIN { |
| 10 | chdir 't' if -d 't'; |
| 11 | @INC = "../lib" if -d "../lib"; |
| 12 | } |
| 13 | eval 'use Config'; # Defaults assumed if this fails |
| 14 | |
| 15 | # XXX known to leak scalars |
| 16 | $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; |
| 17 | |
| 18 | $x = "abc\ndef\n"; |
| 19 | |
| 20 | if ($x =~ /^abc/) {print "ok 1\n";} else {print "not ok 1\n";} |
| 21 | if ($x !~ /^def/) {print "ok 2\n";} else {print "not ok 2\n";} |
| 22 | |
| 23 | $* = 1; |
| 24 | if ($x =~ /^def/) {print "ok 3\n";} else {print "not ok 3\n";} |
| 25 | $* = 0; |
| 26 | |
| 27 | $_ = '123'; |
| 28 | if (/^([0-9][0-9]*)/) {print "ok 4\n";} else {print "not ok 4\n";} |
| 29 | |
| 30 | if ($x =~ /^xxx/) {print "not ok 5\n";} else {print "ok 5\n";} |
| 31 | if ($x !~ /^abc/) {print "not ok 6\n";} else {print "ok 6\n";} |
| 32 | |
| 33 | if ($x =~ /def/) {print "ok 7\n";} else {print "not ok 7\n";} |
| 34 | if ($x !~ /def/) {print "not ok 8\n";} else {print "ok 8\n";} |
| 35 | |
| 36 | if ($x !~ /.def/) {print "ok 9\n";} else {print "not ok 9\n";} |
| 37 | if ($x =~ /.def/) {print "not ok 10\n";} else {print "ok 10\n";} |
| 38 | |
| 39 | if ($x =~ /\ndef/) {print "ok 11\n";} else {print "not ok 11\n";} |
| 40 | if ($x !~ /\ndef/) {print "not ok 12\n";} else {print "ok 12\n";} |
| 41 | |
| 42 | $_ = 'aaabbbccc'; |
| 43 | if (/(a*b*)(c*)/ && $1 eq 'aaabbb' && $2 eq 'ccc') { |
| 44 | print "ok 13\n"; |
| 45 | } else { |
| 46 | print "not ok 13\n"; |
| 47 | } |
| 48 | if (/(a+b+c+)/ && $1 eq 'aaabbbccc') { |
| 49 | print "ok 14\n"; |
| 50 | } else { |
| 51 | print "not ok 14\n"; |
| 52 | } |
| 53 | |
| 54 | if (/a+b?c+/) {print "not ok 15\n";} else {print "ok 15\n";} |
| 55 | |
| 56 | $_ = 'aaabccc'; |
| 57 | if (/a+b?c+/) {print "ok 16\n";} else {print "not ok 16\n";} |
| 58 | if (/a*b+c*/) {print "ok 17\n";} else {print "not ok 17\n";} |
| 59 | |
| 60 | $_ = 'aaaccc'; |
| 61 | if (/a*b?c*/) {print "ok 18\n";} else {print "not ok 18\n";} |
| 62 | if (/a*b+c*/) {print "not ok 19\n";} else {print "ok 19\n";} |
| 63 | |
| 64 | $_ = 'abcdef'; |
| 65 | if (/bcd|xyz/) {print "ok 20\n";} else {print "not ok 20\n";} |
| 66 | if (/xyz|bcd/) {print "ok 21\n";} else {print "not ok 21\n";} |
| 67 | |
| 68 | if (m|bc/*d|) {print "ok 22\n";} else {print "not ok 22\n";} |
| 69 | |
| 70 | if (/^$_$/) {print "ok 23\n";} else {print "not ok 23\n";} |
| 71 | |
| 72 | $* = 1; # test 3 only tested the optimized version--this one is for real |
| 73 | if ("ab\ncd\n" =~ /^cd/) {print "ok 24\n";} else {print "not ok 24\n";} |
| 74 | $* = 0; |
| 75 | |
| 76 | $XXX{123} = 123; |
| 77 | $XXX{234} = 234; |
| 78 | $XXX{345} = 345; |
| 79 | |
| 80 | @XXX = ('ok 25','not ok 25', 'ok 26','not ok 26','not ok 27'); |
| 81 | while ($_ = shift(@XXX)) { |
| 82 | ?(.*)? && (print $1,"\n"); |
| 83 | /not/ && reset; |
| 84 | /not ok 26/ && reset 'X'; |
| 85 | } |
| 86 | |
| 87 | while (($key,$val) = each(%XXX)) { |
| 88 | print "not ok 27\n"; |
| 89 | exit; |
| 90 | } |
| 91 | |
| 92 | print "ok 27\n"; |
| 93 | |
| 94 | 'cde' =~ /[^ab]*/; |
| 95 | 'xyz' =~ //; |
| 96 | if ($& eq 'xyz') {print "ok 28\n";} else {print "not ok 28\n";} |
| 97 | |
| 98 | $foo = '[^ab]*'; |
| 99 | 'cde' =~ /$foo/; |
| 100 | 'xyz' =~ //; |
| 101 | if ($& eq 'xyz') {print "ok 29\n";} else {print "not ok 29\n";} |
| 102 | |
| 103 | $foo = '[^ab]*'; |
| 104 | 'cde' =~ /$foo/; |
| 105 | 'xyz' =~ /$null/; |
| 106 | if ($& eq 'xyz') {print "ok 30\n";} else {print "not ok 30\n";} |
| 107 | |
| 108 | $_ = 'abcdefghi'; |
| 109 | /def/; # optimized up to cmd |
| 110 | if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 31\n";} else {print "not ok 31\n";} |
| 111 | |
| 112 | /cde/ + 0; # optimized only to spat |
| 113 | if ("$`:$&:$'" eq 'ab:cde:fghi') {print "ok 32\n";} else {print "not ok 32\n";} |
| 114 | |
| 115 | /[d][e][f]/; # not optimized |
| 116 | if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 33\n";} else {print "not ok 33\n";} |
| 117 | |
| 118 | $_ = 'now is the {time for all} good men to come to.'; |
| 119 | / {([^}]*)}/; |
| 120 | if ($1 eq 'time for all') {print "ok 34\n";} else {print "not ok 34 $1\n";} |
| 121 | |
| 122 | $_ = 'xxx {3,4} yyy zzz'; |
| 123 | print /( {3,4})/ ? "ok 35\n" : "not ok 35\n"; |
| 124 | print $1 eq ' ' ? "ok 36\n" : "not ok 36\n"; |
| 125 | print /( {4,})/ ? "not ok 37\n" : "ok 37\n"; |
| 126 | print /( {2,3}.)/ ? "ok 38\n" : "not ok 38\n"; |
| 127 | print $1 eq ' y' ? "ok 39\n" : "not ok 39\n"; |
| 128 | print /(y{2,3}.)/ ? "ok 40\n" : "not ok 40\n"; |
| 129 | print $1 eq 'yyy ' ? "ok 41\n" : "not ok 41\n"; |
| 130 | print /x {3,4}/ ? "not ok 42\n" : "ok 42\n"; |
| 131 | print /^xxx {3,4}/ ? "not ok 43\n" : "ok 43\n"; |
| 132 | |
| 133 | $_ = "now is the time for all good men to come to."; |
| 134 | @words = /(\w+)/g; |
| 135 | print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to" |
| 136 | ? "ok 44\n" |
| 137 | : "not ok 44\n"; |
| 138 | |
| 139 | @words = (); |
| 140 | while (/\w+/g) { |
| 141 | push(@words, $&); |
| 142 | } |
| 143 | print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to" |
| 144 | ? "ok 45\n" |
| 145 | : "not ok 45\n"; |
| 146 | |
| 147 | @words = (); |
| 148 | pos = 0; |
| 149 | while (/to/g) { |
| 150 | push(@words, $&); |
| 151 | } |
| 152 | print join(':',@words) eq "to:to" |
| 153 | ? "ok 46\n" |
| 154 | : "not ok 46 `@words'\n"; |
| 155 | |
| 156 | pos $_ = 0; |
| 157 | @words = /to/g; |
| 158 | print join(':',@words) eq "to:to" |
| 159 | ? "ok 47\n" |
| 160 | : "not ok 47 `@words'\n"; |
| 161 | |
| 162 | $_ = "abcdefghi"; |
| 163 | |
| 164 | $pat1 = 'def'; |
| 165 | $pat2 = '^def'; |
| 166 | $pat3 = '.def.'; |
| 167 | $pat4 = 'abc'; |
| 168 | $pat5 = '^abc'; |
| 169 | $pat6 = 'abc$'; |
| 170 | $pat7 = 'ghi'; |
| 171 | $pat8 = '\w*ghi'; |
| 172 | $pat9 = 'ghi$'; |
| 173 | |
| 174 | $t1=$t2=$t3=$t4=$t5=$t6=$t7=$t8=$t9=0; |
| 175 | |
| 176 | for $iter (1..5) { |
| 177 | $t1++ if /$pat1/o; |
| 178 | $t2++ if /$pat2/o; |
| 179 | $t3++ if /$pat3/o; |
| 180 | $t4++ if /$pat4/o; |
| 181 | $t5++ if /$pat5/o; |
| 182 | $t6++ if /$pat6/o; |
| 183 | $t7++ if /$pat7/o; |
| 184 | $t8++ if /$pat8/o; |
| 185 | $t9++ if /$pat9/o; |
| 186 | } |
| 187 | |
| 188 | $x = "$t1$t2$t3$t4$t5$t6$t7$t8$t9"; |
| 189 | print $x eq '505550555' ? "ok 48\n" : "not ok 48 $x\n"; |
| 190 | |
| 191 | $xyz = 'xyz'; |
| 192 | print "abc" =~ /^abc$|$xyz/ ? "ok 49\n" : "not ok 49\n"; |
| 193 | |
| 194 | # perl 4.009 says "unmatched ()" |
| 195 | eval '"abc" =~ /a(bc$)|$xyz/; $result = "$&:$1"'; |
| 196 | print $@ eq "" ? "ok 50\n" : "not ok 50\n"; |
| 197 | print $result eq "abc:bc" ? "ok 51\n" : "not ok 51\n"; |
| 198 | |
| 199 | |
| 200 | $_="abcfooabcbar"; |
| 201 | $x=/abc/g; |
| 202 | print $` eq "" ? "ok 52\n" : "not ok 52\n" if $x; |
| 203 | $x=/abc/g; |
| 204 | print $` eq "abcfoo" ? "ok 53\n" : "not ok 53\n" if $x; |
| 205 | $x=/abc/g; |
| 206 | print $x == 0 ? "ok 54\n" : "not ok 54\n"; |
| 207 | pos = 0; |
| 208 | $x=/ABC/gi; |
| 209 | print $` eq "" ? "ok 55\n" : "not ok 55\n" if $x; |
| 210 | $x=/ABC/gi; |
| 211 | print $` eq "abcfoo" ? "ok 56\n" : "not ok 56\n" if $x; |
| 212 | $x=/ABC/gi; |
| 213 | print $x == 0 ? "ok 57\n" : "not ok 57\n"; |
| 214 | pos = 0; |
| 215 | $x=/abc/g; |
| 216 | print $' eq "fooabcbar" ? "ok 58\n" : "not ok 58\n" if $x; |
| 217 | $x=/abc/g; |
| 218 | print $' eq "bar" ? "ok 59\n" : "not ok 59\n" if $x; |
| 219 | $_ .= ''; |
| 220 | @x=/abc/g; |
| 221 | print scalar @x == 2 ? "ok 60\n" : "not ok 60\n"; |
| 222 | |
| 223 | $_ = "abdc"; |
| 224 | pos $_ = 2; |
| 225 | /\Gc/gc; |
| 226 | print "not " if (pos $_) != 2; |
| 227 | print "ok 61\n"; |
| 228 | /\Gc/g; |
| 229 | print "not " if defined pos $_; |
| 230 | print "ok 62\n"; |
| 231 | |
| 232 | $out = 1; |
| 233 | 'abc' =~ m'a(?{ $out = 2 })b'; |
| 234 | print "not " if $out != 2; |
| 235 | print "ok 63\n"; |
| 236 | |
| 237 | $out = 1; |
| 238 | 'abc' =~ m'a(?{ $out = 3 })c'; |
| 239 | print "not " if $out != 1; |
| 240 | print "ok 64\n"; |
| 241 | |
| 242 | $_ = 'foobar1 bar2 foobar3 barfoobar5 foobar6'; |
| 243 | @out = /(?<!foo)bar./g; |
| 244 | print "not " if "@out" ne 'bar2 barf'; |
| 245 | print "ok 65\n"; |
| 246 | |
| 247 | # Tests which depend on REG_INFTY |
| 248 | $reg_infty = defined $Config{reg_infty} ? $Config{reg_infty} : 32767; |
| 249 | $reg_infty_m = $reg_infty - 1; $reg_infty_p = $reg_infty + 1; |
| 250 | |
| 251 | # As well as failing if the pattern matches do unexpected things, the |
| 252 | # next three tests will fail if you should have picked up a lower-than- |
| 253 | # default value for $reg_infty from Config.pm, but have not. |
| 254 | |
| 255 | undef $@; |
| 256 | print "not " if eval q(('aaa' =~ /(a{1,$reg_infty_m})/)[0] ne 'aaa') || $@; |
| 257 | print "ok 66\n"; |
| 258 | |
| 259 | undef $@; |
| 260 | print "not " if eval q(('a' x $reg_infty_m) !~ /a{$reg_infty_m}/) || $@; |
| 261 | print "ok 67\n"; |
| 262 | |
| 263 | undef $@; |
| 264 | print "not " if eval q(('a' x ($reg_infty_m - 1)) =~ /a{$reg_infty_m}/) || $@; |
| 265 | print "ok 68\n"; |
| 266 | |
| 267 | undef $@; |
| 268 | eval "'aaa' =~ /a{1,$reg_infty}/"; |
| 269 | print "not " if $@ !~ m%^\Q/a{1,$reg_infty}/: Quantifier in {,} bigger than%; |
| 270 | print "ok 69\n"; |
| 271 | |
| 272 | eval "'aaa' =~ /a{1,$reg_infty_p}/"; |
| 273 | print "not " |
| 274 | if $@ !~ m%^\Q/a{1,$reg_infty_p}/: Quantifier in {,} bigger than%; |
| 275 | print "ok 70\n"; |
| 276 | undef $@; |
| 277 | |
| 278 | # Poke a couple more parse failures |
| 279 | |
| 280 | $context = 'x' x 256; |
| 281 | eval qq("${context}y" =~ /(?<=$context)y/); |
| 282 | print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%; |
| 283 | print "ok 71\n"; |
| 284 | |
| 285 | # This one will fail when POSIX character classes do get implemented |
| 286 | { |
| 287 | my $w; |
| 288 | local $^W = 1; |
| 289 | local $SIG{__WARN__} = sub{$w = shift}; |
| 290 | eval q('a' =~ /[[:alpha:]]/); |
| 291 | print "not " if $w !~ /^\QCharacter class syntax [: :] is reserved/; |
| 292 | } |
| 293 | print "ok 72\n"; |
| 294 | |
| 295 | # Long Monsters |
| 296 | $test = 73; |
| 297 | for $l (125, 140, 250, 270, 300000, 30) { # Ordered to free memory |
| 298 | $a = 'a' x $l; |
| 299 | print "# length=$l\nnot " unless "ba$a=" =~ /a$a=/; |
| 300 | print "ok $test\n"; |
| 301 | $test++; |
| 302 | |
| 303 | print "not " if "b$a=" =~ /a$a=/; |
| 304 | print "ok $test\n"; |
| 305 | $test++; |
| 306 | } |
| 307 | |
| 308 | # 20000 nodes, each taking 3 words per string, and 1 per branch |
| 309 | $long_constant_len = join '|', 12120 .. 32645; |
| 310 | $long_var_len = join '|', 8120 .. 28645; |
| 311 | %ans = ( 'ax13876y25677lbc' => 1, |
| 312 | 'ax13876y25677mcb' => 0, # not b. |
| 313 | 'ax13876y35677nbc' => 0, # Num too big |
| 314 | 'ax13876y25677y21378obc' => 1, |
| 315 | 'ax13876y25677y21378zbc' => 0, # Not followed by [k-o] |
| 316 | 'ax13876y25677y21378y21378kbc' => 1, |
| 317 | 'ax13876y25677y21378y21378kcb' => 0, # Not b. |
| 318 | 'ax13876y25677y21378y21378y21378kbc' => 0, # 5 runs |
| 319 | ); |
| 320 | |
| 321 | for ( keys %ans ) { |
| 322 | print "# const-len `$_' not => $ans{$_}\nnot " |
| 323 | if $ans{$_} xor /a(?=([yx]($long_constant_len)){2,4}[k-o]).*b./o; |
| 324 | print "ok $test\n"; |
| 325 | $test++; |
| 326 | print "# var-len `$_' not => $ans{$_}\nnot " |
| 327 | if $ans{$_} xor /a(?=([yx]($long_var_len)){2,4}[k-o]).*b./o; |
| 328 | print "ok $test\n"; |
| 329 | $test++; |
| 330 | } |
| 331 | |
| 332 | $_ = " a (bla()) and x(y b((l)u((e))) and b(l(e)e)e"; |
| 333 | $expect = "(bla()) ((l)u((e))) (l(e)e)"; |
| 334 | |
| 335 | sub matchit { |
| 336 | m/ |
| 337 | ( |
| 338 | \( |
| 339 | (?{ $c = 1 }) # Initialize |
| 340 | (?: |
| 341 | (?(?{ $c == 0 }) # PREVIOUS iteration was OK, stop the loop |
| 342 | (?! |
| 343 | ) # Fail: will unwind one iteration back |
| 344 | ) |
| 345 | (?: |
| 346 | [^()]+ # Match a big chunk |
| 347 | (?= |
| 348 | [()] |
| 349 | ) # Do not try to match subchunks |
| 350 | | |
| 351 | \( |
| 352 | (?{ ++$c }) |
| 353 | | |
| 354 | \) |
| 355 | (?{ --$c }) |
| 356 | ) |
| 357 | )+ # This may not match with different subblocks |
| 358 | ) |
| 359 | (?(?{ $c != 0 }) |
| 360 | (?! |
| 361 | ) # Fail |
| 362 | ) # Otherwise the chunk 1 may succeed with $c>0 |
| 363 | /xg; |
| 364 | } |
| 365 | |
| 366 | @ans = (); |
| 367 | push @ans, $res while $res = matchit; |
| 368 | |
| 369 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne "1 1 1"; |
| 370 | print "ok $test\n"; |
| 371 | $test++; |
| 372 | |
| 373 | @ans = matchit; |
| 374 | |
| 375 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne $expect; |
| 376 | print "ok $test\n"; |
| 377 | $test++; |
| 378 | |
| 379 | my $matched; |
| 380 | $matched = qr/\((?:(?>[^()]+)|(?p{$matched}))*\)/; |
| 381 | |
| 382 | @ans = @ans1 = (); |
| 383 | push(@ans, $res), push(@ans1, $&) while $res = m/$matched/g; |
| 384 | |
| 385 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne "1 1 1"; |
| 386 | print "ok $test\n"; |
| 387 | $test++; |
| 388 | |
| 389 | print "# ans1='@ans1'\n# expect='$expect'\nnot " if "@ans1" ne $expect; |
| 390 | print "ok $test\n"; |
| 391 | $test++; |
| 392 | |
| 393 | @ans = m/$matched/g; |
| 394 | |
| 395 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne $expect; |
| 396 | print "ok $test\n"; |
| 397 | $test++; |
| 398 | |
| 399 | @ans = ('a/b' =~ m%(.*/)?(.*)%); # Stack may be bad |
| 400 | print "not " if "@ans" ne 'a/ b'; |
| 401 | print "ok $test\n"; |
| 402 | $test++; |
| 403 | |
| 404 | $code = '{$blah = 45}'; |
| 405 | $blah = 12; |
| 406 | eval { /(?$code)/ }; |
| 407 | print "not " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12; |
| 408 | print "ok $test\n"; |
| 409 | $test++; |
| 410 | |
| 411 | for $code ('{$blah = 45}','=xx') { |
| 412 | $blah = 12; |
| 413 | $res = eval { "xx" =~ /(?$code)/o }; |
| 414 | if ($code eq '=xx') { |
| 415 | print "#'$@','$res','$blah'\nnot " unless not $@ and $res; |
| 416 | } else { |
| 417 | print "#'$@','$res','$blah'\nnot " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12; |
| 418 | } |
| 419 | print "ok $test\n"; |
| 420 | $test++; |
| 421 | } |
| 422 | |
| 423 | $code = '{$blah = 45}'; |
| 424 | $blah = 12; |
| 425 | eval "/(?$code)/"; |
| 426 | print "not " if $blah != 45; |
| 427 | print "ok $test\n"; |
| 428 | $test++; |
| 429 | |
| 430 | $blah = 12; |
| 431 | /(?{$blah = 45})/; |
| 432 | print "not " if $blah != 45; |
| 433 | print "ok $test\n"; |
| 434 | $test++; |
| 435 | |
| 436 | $x = 'banana'; |
| 437 | $x =~ /.a/g; |
| 438 | print "not " unless pos($x) == 2; |
| 439 | print "ok $test\n"; |
| 440 | $test++; |
| 441 | |
| 442 | $x =~ /.z/gc; |
| 443 | print "not " unless pos($x) == 2; |
| 444 | print "ok $test\n"; |
| 445 | $test++; |
| 446 | |
| 447 | sub f { |
| 448 | my $p = $_[0]; |
| 449 | return $p; |
| 450 | } |
| 451 | |
| 452 | $x =~ /.a/g; |
| 453 | print "not " unless f(pos($x)) == 4; |
| 454 | print "ok $test\n"; |
| 455 | $test++; |
| 456 | |
| 457 | $x = $^R = 67; |
| 458 | 'foot' =~ /foo(?{$x = 12; 75})[t]/; |
| 459 | print "not " unless $^R eq '75'; |
| 460 | print "ok $test\n"; |
| 461 | $test++; |
| 462 | |
| 463 | $x = $^R = 67; |
| 464 | 'foot' =~ /foo(?{$x = 12; 75})[xy]/; |
| 465 | print "not " unless $^R eq '67' and $x eq '12'; |
| 466 | print "ok $test\n"; |
| 467 | $test++; |
| 468 | |
| 469 | $x = $^R = 67; |
| 470 | 'foot' =~ /foo(?{ $^R + 12 })((?{ $x = 12; $^R + 17 })[xy])?/; |
| 471 | print "not " unless $^R eq '79' and $x eq '12'; |
| 472 | print "ok $test\n"; |
| 473 | $test++; |
| 474 | |
| 475 | print "not " unless qr/\b\v$/i eq '(?i-xsm:\bv$)'; |
| 476 | print "ok $test\n"; |
| 477 | $test++; |
| 478 | |
| 479 | print "not " unless qr/\b\v$/s eq '(?s-xim:\bv$)'; |
| 480 | print "ok $test\n"; |
| 481 | $test++; |
| 482 | |
| 483 | print "not " unless qr/\b\v$/m eq '(?m-xis:\bv$)'; |
| 484 | print "ok $test\n"; |
| 485 | $test++; |
| 486 | |
| 487 | print "not " unless qr/\b\v$/x eq '(?x-ism:\bv$)'; |
| 488 | print "ok $test\n"; |
| 489 | $test++; |
| 490 | |
| 491 | print "not " unless qr/\b\v$/xism eq '(?msix:\bv$)'; |
| 492 | print "ok $test\n"; |
| 493 | $test++; |
| 494 | |
| 495 | print "not " unless qr/\b\v$/ eq '(?-xism:\bv$)'; |
| 496 | print "ok $test\n"; |
| 497 | $test++; |
| 498 | |
| 499 | $_ = 'xabcx'; |
| 500 | foreach $ans ('', 'c') { |
| 501 | /(?<=(?=a)..)((?=c)|.)/g; |
| 502 | print "not " unless $1 eq $ans; |
| 503 | print "ok $test\n"; |
| 504 | $test++; |
| 505 | } |
| 506 | |
| 507 | $_ = 'a'; |
| 508 | foreach $ans ('', 'a', '') { |
| 509 | /^|a|$/g; |
| 510 | print "not " unless $& eq $ans; |
| 511 | print "ok $test\n"; |
| 512 | $test++; |
| 513 | } |
| 514 | |
| 515 | sub prefixify { |
| 516 | my($v,$a,$b,$res) = @_; |
| 517 | $v =~ s/\Q$a\E/$b/; |
| 518 | print "not " unless $res eq $v; |
| 519 | print "ok $test\n"; |
| 520 | $test++; |
| 521 | } |
| 522 | prefixify('/a/b/lib/arch', "/a/b/lib", 'X/lib', 'X/lib/arch'); |
| 523 | prefixify('/a/b/man/arch', "/a/b/man", 'X/man', 'X/man/arch'); |
| 524 | |
| 525 | $_ = 'var="foo"'; |
| 526 | /(\")/; |
| 527 | print "not " unless $1 and /$1/; |
| 528 | print "ok $test\n"; |
| 529 | $test++; |
| 530 | |
| 531 | $a=qr/(?{++$b})/; |
| 532 | $b = 7; |
| 533 | /$a$a/; |
| 534 | print "not " unless $b eq '9'; |
| 535 | print "ok $test\n"; |
| 536 | $test++; |
| 537 | |
| 538 | $c="$a"; |
| 539 | /$a$a/; |
| 540 | print "not " unless $b eq '11'; |
| 541 | print "ok $test\n"; |
| 542 | $test++; |
| 543 | |
| 544 | { |
| 545 | use re "eval"; |
| 546 | /$a$c$a/; |
| 547 | print "not " unless $b eq '14'; |
| 548 | print "ok $test\n"; |
| 549 | $test++; |
| 550 | |
| 551 | no re "eval"; |
| 552 | $match = eval { /$a$c$a/ }; |
| 553 | print "not " |
| 554 | unless $b eq '14' and $@ =~ /Eval-group not allowed/ and not $match; |
| 555 | print "ok $test\n"; |
| 556 | $test++; |
| 557 | } |
| 558 | |
| 559 | { |
| 560 | package aa; |
| 561 | $c = 2; |
| 562 | $::c = 3; |
| 563 | '' =~ /(?{ $c = 4 })/; |
| 564 | print "not " unless $c == 4; |
| 565 | } |
| 566 | print "ok $test\n"; |
| 567 | $test++; |
| 568 | print "not " unless $c == 3; |
| 569 | print "ok $test\n"; |
| 570 | $test++; |
| 571 | |
| 572 | sub must_warn_pat { |
| 573 | my $warn_pat = shift; |
| 574 | return sub { print "not " unless $_[0] =~ /$warn_pat/ } |
| 575 | } |
| 576 | |
| 577 | sub must_warn { |
| 578 | my ($warn_pat, $code) = @_; |
| 579 | local $^W; local %SIG; |
| 580 | eval 'BEGIN { $^W = 1; $SIG{__WARN__} = $warn_pat };' . $code; |
| 581 | print "ok $test\n"; |
| 582 | $test++; |
| 583 | } |
| 584 | |
| 585 | |
| 586 | sub make_must_warn { |
| 587 | my $warn_pat = shift; |
| 588 | return sub { must_warn(must_warn_pat($warn_pat)) } |
| 589 | } |
| 590 | |
| 591 | my $for_future = make_must_warn('reserved for future extensions'); |
| 592 | |
| 593 | &$for_future('q(a:[b]:) =~ /[x[:foo:]]/'); |
| 594 | &$for_future('q(a=[b]=) =~ /[x[=foo=]]/'); |
| 595 | &$for_future('q(a.[b].) =~ /[x[.foo.]]/'); |
| 596 | |
| 597 | # test if failure of patterns returns empty list |
| 598 | $_ = 'aaa'; |
| 599 | @_ = /bbb/; |
| 600 | print "not " if @_; |
| 601 | print "ok $test\n"; |
| 602 | $test++; |
| 603 | |
| 604 | @_ = /bbb/g; |
| 605 | print "not " if @_; |
| 606 | print "ok $test\n"; |
| 607 | $test++; |
| 608 | |
| 609 | @_ = /(bbb)/; |
| 610 | print "not " if @_; |
| 611 | print "ok $test\n"; |
| 612 | $test++; |
| 613 | |
| 614 | @_ = /(bbb)/g; |
| 615 | print "not " if @_; |
| 616 | print "ok $test\n"; |
| 617 | $test++; |
| 618 | |
| 619 | /a(?=.$)/; |
| 620 | print "not " if $#+ != 0 or $#- != 0; |
| 621 | print "ok $test\n"; |
| 622 | $test++; |
| 623 | |
| 624 | print "not " if $+[0] != 2 or $-[0] != 1; |
| 625 | print "ok $test\n"; |
| 626 | $test++; |
| 627 | |
| 628 | print "not " |
| 629 | if defined $+[1] or defined $-[1] or defined $+[2] or defined $-[2]; |
| 630 | print "ok $test\n"; |
| 631 | $test++; |
| 632 | |
| 633 | /a(a)(a)/; |
| 634 | print "not " if $#+ != 2 or $#- != 2; |
| 635 | print "ok $test\n"; |
| 636 | $test++; |
| 637 | |
| 638 | print "not " if $+[0] != 3 or $-[0] != 0; |
| 639 | print "ok $test\n"; |
| 640 | $test++; |
| 641 | |
| 642 | print "not " if $+[1] != 2 or $-[1] != 1; |
| 643 | print "ok $test\n"; |
| 644 | $test++; |
| 645 | |
| 646 | print "not " if $+[2] != 3 or $-[2] != 2; |
| 647 | print "ok $test\n"; |
| 648 | $test++; |
| 649 | |
| 650 | print "not " |
| 651 | if defined $+[3] or defined $-[3] or defined $+[4] or defined $-[4]; |
| 652 | print "ok $test\n"; |
| 653 | $test++; |
| 654 | |
| 655 | /.(a)(b)?(a)/; |
| 656 | print "not " if $#+ != 3 or $#- != 3; |
| 657 | print "ok $test\n"; |
| 658 | $test++; |
| 659 | |
| 660 | print "not " if $+[0] != 3 or $-[0] != 0; |
| 661 | print "ok $test\n"; |
| 662 | $test++; |
| 663 | |
| 664 | print "not " if $+[1] != 2 or $-[1] != 1; |
| 665 | print "ok $test\n"; |
| 666 | $test++; |
| 667 | |
| 668 | print "not " if $+[3] != 3 or $-[3] != 2; |
| 669 | print "ok $test\n"; |
| 670 | $test++; |
| 671 | |
| 672 | print "not " |
| 673 | if defined $+[2] or defined $-[2] or defined $+[4] or defined $-[4]; |
| 674 | print "ok $test\n"; |
| 675 | $test++; |
| 676 | |
| 677 | /.(a)/; |
| 678 | print "not " if $#+ != 1 or $#- != 1; |
| 679 | print "ok $test\n"; |
| 680 | $test++; |
| 681 | |
| 682 | print "not " if $+[0] != 2 or $-[0] != 0; |
| 683 | print "ok $test\n"; |
| 684 | $test++; |
| 685 | |
| 686 | print "not " if $+[1] != 2 or $-[1] != 1; |
| 687 | print "ok $test\n"; |
| 688 | $test++; |
| 689 | |
| 690 | print "not " |
| 691 | if defined $+[2] or defined $-[2] or defined $+[3] or defined $-[3]; |
| 692 | print "ok $test\n"; |
| 693 | $test++; |
| 694 | |
| 695 | $str = 'abcde'; |
| 696 | pos $str = 2; |
| 697 | |
| 698 | print "not " if $str =~ /^\G/; |
| 699 | print "ok $test\n"; |
| 700 | $test++; |
| 701 | |
| 702 | print "not " if $str =~ /^.\G/; |
| 703 | print "ok $test\n"; |
| 704 | $test++; |
| 705 | |
| 706 | print "not " unless $str =~ /^..\G/; |
| 707 | print "ok $test\n"; |
| 708 | $test++; |
| 709 | |
| 710 | print "not " if $str =~ /^...\G/; |
| 711 | print "ok $test\n"; |
| 712 | $test++; |
| 713 | |
| 714 | print "not " unless $str =~ /.\G./ and $& eq 'bc'; |
| 715 | print "ok $test\n"; |
| 716 | $test++; |
| 717 | |
| 718 | print "not " unless $str =~ /\G../ and $& eq 'cd'; |
| 719 | print "ok $test\n"; |
| 720 | $test++; |
| 721 | |
| 722 | # see if matching against temporaries (created via pp_helem()) is safe |
| 723 | { foo => "ok $test\n".$^X }->{foo} =~ /^(.*)\n/g; |
| 724 | print "$1\n"; |
| 725 | $test++; |
| 726 | |