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1 | #!./perl |
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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. |
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6 | |
f7e33566 |
7 | print "1..139\n"; |
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8 | |
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9 | BEGIN { |
10 | chdir 't' if -d 't'; |
11 | @INC = "../lib" if -d "../lib"; |
12 | } |
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13 | eval 'use Config'; # Defaults assumed if this fails |
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14 | |
eec2d3df |
15 | $ENV{PERL_DESTRUCT_LEVEL} = 0; # XXX known to leaks scalars |
16 | |
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17 | $x = "abc\ndef\n"; |
18 | |
19 | if ($x =~ /^abc/) {print "ok 1\n";} else {print "not ok 1\n";} |
20 | if ($x !~ /^def/) {print "ok 2\n";} else {print "not ok 2\n";} |
21 | |
22 | $* = 1; |
23 | if ($x =~ /^def/) {print "ok 3\n";} else {print "not ok 3\n";} |
24 | $* = 0; |
25 | |
26 | $_ = '123'; |
27 | if (/^([0-9][0-9]*)/) {print "ok 4\n";} else {print "not ok 4\n";} |
28 | |
29 | if ($x =~ /^xxx/) {print "not ok 5\n";} else {print "ok 5\n";} |
30 | if ($x !~ /^abc/) {print "not ok 6\n";} else {print "ok 6\n";} |
31 | |
32 | if ($x =~ /def/) {print "ok 7\n";} else {print "not ok 7\n";} |
33 | if ($x !~ /def/) {print "not ok 8\n";} else {print "ok 8\n";} |
34 | |
35 | if ($x !~ /.def/) {print "ok 9\n";} else {print "not ok 9\n";} |
36 | if ($x =~ /.def/) {print "not ok 10\n";} else {print "ok 10\n";} |
37 | |
38 | if ($x =~ /\ndef/) {print "ok 11\n";} else {print "not ok 11\n";} |
39 | if ($x !~ /\ndef/) {print "not ok 12\n";} else {print "ok 12\n";} |
40 | |
41 | $_ = 'aaabbbccc'; |
42 | if (/(a*b*)(c*)/ && $1 eq 'aaabbb' && $2 eq 'ccc') { |
43 | print "ok 13\n"; |
44 | } else { |
45 | print "not ok 13\n"; |
46 | } |
47 | if (/(a+b+c+)/ && $1 eq 'aaabbbccc') { |
48 | print "ok 14\n"; |
49 | } else { |
50 | print "not ok 14\n"; |
51 | } |
52 | |
53 | if (/a+b?c+/) {print "not ok 15\n";} else {print "ok 15\n";} |
54 | |
55 | $_ = 'aaabccc'; |
56 | if (/a+b?c+/) {print "ok 16\n";} else {print "not ok 16\n";} |
57 | if (/a*b+c*/) {print "ok 17\n";} else {print "not ok 17\n";} |
58 | |
59 | $_ = 'aaaccc'; |
60 | if (/a*b?c*/) {print "ok 18\n";} else {print "not ok 18\n";} |
61 | if (/a*b+c*/) {print "not ok 19\n";} else {print "ok 19\n";} |
62 | |
63 | $_ = 'abcdef'; |
64 | if (/bcd|xyz/) {print "ok 20\n";} else {print "not ok 20\n";} |
65 | if (/xyz|bcd/) {print "ok 21\n";} else {print "not ok 21\n";} |
66 | |
67 | if (m|bc/*d|) {print "ok 22\n";} else {print "not ok 22\n";} |
378cc40b |
68 | |
69 | if (/^$_$/) {print "ok 23\n";} else {print "not ok 23\n";} |
70 | |
71 | $* = 1; # test 3 only tested the optimized version--this one is for real |
72 | if ("ab\ncd\n" =~ /^cd/) {print "ok 24\n";} else {print "not ok 24\n";} |
73 | $* = 0; |
74 | |
75 | $XXX{123} = 123; |
76 | $XXX{234} = 234; |
77 | $XXX{345} = 345; |
78 | |
79 | @XXX = ('ok 25','not ok 25', 'ok 26','not ok 26','not ok 27'); |
c6aa4a32 |
80 | while ($_ = shift(@XXX)) { |
378cc40b |
81 | ?(.*)? && (print $1,"\n"); |
82 | /not/ && reset; |
83 | /not ok 26/ && reset 'X'; |
84 | } |
85 | |
a0d0e21e |
86 | while (($key,$val) = each(%XXX)) { |
378cc40b |
87 | print "not ok 27\n"; |
88 | exit; |
89 | } |
90 | |
91 | print "ok 27\n"; |
92 | |
93 | 'cde' =~ /[^ab]*/; |
94 | 'xyz' =~ //; |
95 | if ($& eq 'xyz') {print "ok 28\n";} else {print "not ok 28\n";} |
96 | |
97 | $foo = '[^ab]*'; |
98 | 'cde' =~ /$foo/; |
99 | 'xyz' =~ //; |
100 | if ($& eq 'xyz') {print "ok 29\n";} else {print "not ok 29\n";} |
101 | |
102 | $foo = '[^ab]*'; |
103 | 'cde' =~ /$foo/; |
104 | 'xyz' =~ /$null/; |
105 | if ($& eq 'xyz') {print "ok 30\n";} else {print "not ok 30\n";} |
a687059c |
106 | |
107 | $_ = 'abcdefghi'; |
108 | /def/; # optimized up to cmd |
109 | if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 31\n";} else {print "not ok 31\n";} |
110 | |
111 | /cde/ + 0; # optimized only to spat |
112 | if ("$`:$&:$'" eq 'ab:cde:fghi') {print "ok 32\n";} else {print "not ok 32\n";} |
113 | |
114 | /[d][e][f]/; # not optimized |
115 | if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 33\n";} else {print "not ok 33\n";} |
116 | |
117 | $_ = 'now is the {time for all} good men to come to.'; |
118 | / {([^}]*)}/; |
119 | if ($1 eq 'time for all') {print "ok 34\n";} else {print "not ok 34 $1\n";} |
120 | |
121 | $_ = 'xxx {3,4} yyy zzz'; |
122 | print /( {3,4})/ ? "ok 35\n" : "not ok 35\n"; |
123 | print $1 eq ' ' ? "ok 36\n" : "not ok 36\n"; |
124 | print /( {4,})/ ? "not ok 37\n" : "ok 37\n"; |
125 | print /( {2,3}.)/ ? "ok 38\n" : "not ok 38\n"; |
126 | print $1 eq ' y' ? "ok 39\n" : "not ok 39\n"; |
127 | print /(y{2,3}.)/ ? "ok 40\n" : "not ok 40\n"; |
128 | print $1 eq 'yyy ' ? "ok 41\n" : "not ok 41\n"; |
129 | print /x {3,4}/ ? "not ok 42\n" : "ok 42\n"; |
130 | print /^xxx {3,4}/ ? "not ok 43\n" : "ok 43\n"; |
352d5a3a |
131 | |
132 | $_ = "now is the time for all good men to come to."; |
133 | @words = /(\w+)/g; |
134 | print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to" |
135 | ? "ok 44\n" |
136 | : "not ok 44\n"; |
137 | |
138 | @words = (); |
139 | while (/\w+/g) { |
140 | push(@words, $&); |
141 | } |
142 | print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to" |
143 | ? "ok 45\n" |
144 | : "not ok 45\n"; |
145 | |
146 | @words = (); |
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147 | pos = 0; |
352d5a3a |
148 | while (/to/g) { |
149 | push(@words, $&); |
150 | } |
151 | print join(':',@words) eq "to:to" |
152 | ? "ok 46\n" |
71be2cbc |
153 | : "not ok 46 `@words'\n"; |
352d5a3a |
154 | |
71be2cbc |
155 | pos $_ = 0; |
352d5a3a |
156 | @words = /to/g; |
157 | print join(':',@words) eq "to:to" |
158 | ? "ok 47\n" |
71be2cbc |
159 | : "not ok 47 `@words'\n"; |
352d5a3a |
160 | |
161 | $_ = "abcdefghi"; |
162 | |
163 | $pat1 = 'def'; |
164 | $pat2 = '^def'; |
165 | $pat3 = '.def.'; |
166 | $pat4 = 'abc'; |
167 | $pat5 = '^abc'; |
168 | $pat6 = 'abc$'; |
169 | $pat7 = 'ghi'; |
170 | $pat8 = '\w*ghi'; |
171 | $pat9 = 'ghi$'; |
172 | |
173 | $t1=$t2=$t3=$t4=$t5=$t6=$t7=$t8=$t9=0; |
174 | |
175 | for $iter (1..5) { |
176 | $t1++ if /$pat1/o; |
177 | $t2++ if /$pat2/o; |
178 | $t3++ if /$pat3/o; |
179 | $t4++ if /$pat4/o; |
180 | $t5++ if /$pat5/o; |
181 | $t6++ if /$pat6/o; |
182 | $t7++ if /$pat7/o; |
183 | $t8++ if /$pat8/o; |
184 | $t9++ if /$pat9/o; |
185 | } |
186 | |
187 | $x = "$t1$t2$t3$t4$t5$t6$t7$t8$t9"; |
188 | print $x eq '505550555' ? "ok 48\n" : "not ok 48 $x\n"; |
1462b684 |
189 | |
190 | $xyz = 'xyz'; |
191 | print "abc" =~ /^abc$|$xyz/ ? "ok 49\n" : "not ok 49\n"; |
192 | |
193 | # perl 4.009 says "unmatched ()" |
194 | eval '"abc" =~ /a(bc$)|$xyz/; $result = "$&:$1"'; |
195 | print $@ eq "" ? "ok 50\n" : "not ok 50\n"; |
196 | print $result eq "abc:bc" ? "ok 51\n" : "not ok 51\n"; |
a0d0e21e |
197 | |
198 | |
199 | $_="abcfooabcbar"; |
200 | $x=/abc/g; |
201 | print $` eq "" ? "ok 52\n" : "not ok 52\n" if $x; |
202 | $x=/abc/g; |
203 | print $` eq "abcfoo" ? "ok 53\n" : "not ok 53\n" if $x; |
204 | $x=/abc/g; |
205 | print $x == 0 ? "ok 54\n" : "not ok 54\n"; |
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206 | pos = 0; |
a0d0e21e |
207 | $x=/ABC/gi; |
208 | print $` eq "" ? "ok 55\n" : "not ok 55\n" if $x; |
209 | $x=/ABC/gi; |
210 | print $` eq "abcfoo" ? "ok 56\n" : "not ok 56\n" if $x; |
211 | $x=/ABC/gi; |
212 | print $x == 0 ? "ok 57\n" : "not ok 57\n"; |
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213 | pos = 0; |
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214 | $x=/abc/g; |
215 | print $' eq "fooabcbar" ? "ok 58\n" : "not ok 58\n" if $x; |
216 | $x=/abc/g; |
217 | print $' eq "bar" ? "ok 59\n" : "not ok 59\n" if $x; |
218 | $_ .= ''; |
219 | @x=/abc/g; |
220 | print scalar @x == 2 ? "ok 60\n" : "not ok 60\n"; |
71be2cbc |
221 | |
222 | $_ = "abdc"; |
223 | pos $_ = 2; |
c90c0ff4 |
224 | /\Gc/gc; |
71be2cbc |
225 | print "not " if (pos $_) != 2; |
226 | print "ok 61\n"; |
c90c0ff4 |
227 | /\Gc/g; |
228 | print "not " if defined pos $_; |
229 | print "ok 62\n"; |
c277df42 |
230 | |
231 | $out = 1; |
232 | 'abc' =~ m'a(?{ $out = 2 })b'; |
233 | print "not " if $out != 2; |
234 | print "ok 63\n"; |
235 | |
236 | $out = 1; |
237 | 'abc' =~ m'a(?{ $out = 3 })c'; |
238 | print "not " if $out != 1; |
239 | print "ok 64\n"; |
240 | |
241 | $_ = 'foobar1 bar2 foobar3 barfoobar5 foobar6'; |
242 | @out = /(?<!foo)bar./g; |
243 | print "not " if "@out" ne 'bar2 barf'; |
244 | print "ok 65\n"; |
245 | |
8d37f932 |
246 | # Tests which depend on REG_INFTY |
247 | $reg_infty = defined $Config{reg_infty} ? $Config{reg_infty} : 32767; |
248 | $reg_infty_m = $reg_infty - 1; $reg_infty_p = $reg_infty + 1; |
249 | |
250 | # As well as failing if the pattern matches do unexpected things, the |
251 | # next three tests will fail if you should have picked up a lower-than- |
252 | # default value for $reg_infty from Config.pm, but have not. |
253 | |
254 | undef $@; |
255 | print "not " if eval q(('aaa' =~ /(a{1,$reg_infty_m})/)[0] ne 'aaa') || $@; |
256 | print "ok 66\n"; |
257 | |
258 | undef $@; |
259 | print "not " if eval q(('a' x $reg_infty_m) !~ /a{$reg_infty_m}/) || $@; |
260 | print "ok 67\n"; |
261 | |
262 | undef $@; |
263 | print "not " if eval q(('a' x ($reg_infty_m - 1)) =~ /a{$reg_infty_m}/) || $@; |
264 | print "ok 68\n"; |
265 | |
266 | undef $@; |
267 | eval "'aaa' =~ /a{1,$reg_infty}/"; |
268 | print "not " if $@ !~ m%^\Q/a{1,$reg_infty}/: Quantifier in {,} bigger than%; |
269 | print "ok 69\n"; |
270 | |
271 | eval "'aaa' =~ /a{1,$reg_infty_p}/"; |
272 | print "not " |
273 | if $@ !~ m%^\Q/a{1,$reg_infty_p}/: Quantifier in {,} bigger than%; |
274 | print "ok 70\n"; |
275 | undef $@; |
276 | |
277 | # Poke a couple more parse failures |
278 | |
279 | $context = 'x' x 256; |
280 | eval qq("${context}y" =~ /(?<=$context)y/); |
281 | print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%; |
282 | print "ok 71\n"; |
283 | |
284 | # This one will fail when POSIX character classes do get implemented |
285 | { |
286 | my $w; |
287 | local $^W = 1; |
288 | local $SIG{__WARN__} = sub{$w = shift}; |
289 | eval q('a' =~ /[[:alpha:]]/); |
290 | print "not " if $w !~ /^\QCharacter class syntax [: :] is reserved/; |
291 | } |
292 | print "ok 72\n"; |
293 | |
c277df42 |
294 | # Long Monsters |
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295 | $test = 73; |
c277df42 |
296 | for $l (125, 140, 250, 270, 300000, 30) { # Ordered to free memory |
297 | $a = 'a' x $l; |
298 | print "# length=$l\nnot " unless "ba$a=" =~ /a$a=/; |
299 | print "ok $test\n"; |
300 | $test++; |
301 | |
302 | print "not " if "b$a=" =~ /a$a=/; |
303 | print "ok $test\n"; |
304 | $test++; |
305 | } |
306 | |
307 | # 20000 nodes, each taking 3 words per string, and 1 per branch |
308 | $long_constant_len = join '|', 12120 .. 32645; |
309 | $long_var_len = join '|', 8120 .. 28645; |
310 | %ans = ( 'ax13876y25677lbc' => 1, |
311 | 'ax13876y25677mcb' => 0, # not b. |
312 | 'ax13876y35677nbc' => 0, # Num too big |
313 | 'ax13876y25677y21378obc' => 1, |
314 | 'ax13876y25677y21378zbc' => 0, # Not followed by [k-o] |
315 | 'ax13876y25677y21378y21378kbc' => 1, |
316 | 'ax13876y25677y21378y21378kcb' => 0, # Not b. |
317 | 'ax13876y25677y21378y21378y21378kbc' => 0, # 5 runs |
318 | ); |
319 | |
320 | for ( keys %ans ) { |
321 | print "# const-len `$_' not => $ans{$_}\nnot " |
322 | if $ans{$_} xor /a(?=([yx]($long_constant_len)){2,4}[k-o]).*b./o; |
323 | print "ok $test\n"; |
324 | $test++; |
325 | print "# var-len `$_' not => $ans{$_}\nnot " |
326 | if $ans{$_} xor /a(?=([yx]($long_var_len)){2,4}[k-o]).*b./o; |
327 | print "ok $test\n"; |
328 | $test++; |
329 | } |
330 | |
331 | $_ = " a (bla()) and x(y b((l)u((e))) and b(l(e)e)e"; |
332 | $expect = "(bla()) ((l)u((e))) (l(e)e)"; |
333 | |
334 | sub matchit { |
cc6b7395 |
335 | m/ |
c277df42 |
336 | ( |
337 | \( |
338 | (?{ $c = 1 }) # Initialize |
339 | (?: |
340 | (?(?{ $c == 0 }) # PREVIOUS iteration was OK, stop the loop |
341 | (?! |
342 | ) # Fail: will unwind one iteration back |
343 | ) |
344 | (?: |
345 | [^()]+ # Match a big chunk |
346 | (?= |
347 | [()] |
348 | ) # Do not try to match subchunks |
349 | | |
350 | \( |
351 | (?{ ++$c }) |
352 | | |
353 | \) |
354 | (?{ --$c }) |
355 | ) |
356 | )+ # This may not match with different subblocks |
357 | ) |
358 | (?(?{ $c != 0 }) |
359 | (?! |
360 | ) # Fail |
361 | ) # Otherwise the chunk 1 may succeed with $c>0 |
cc6b7395 |
362 | /xg; |
c277df42 |
363 | } |
364 | |
365 | push @ans, $res while $res = matchit; |
366 | |
367 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne "1 1 1"; |
368 | print "ok $test\n"; |
369 | $test++; |
370 | |
371 | @ans = matchit; |
372 | |
373 | print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne $expect; |
374 | print "ok $test\n"; |
375 | $test++; |
376 | |
377 | @ans = ('a/b' =~ m%(.*/)?(.*)%); # Stack may be bad |
378 | print "not " if "@ans" ne 'a/ b'; |
379 | print "ok $test\n"; |
380 | $test++; |
381 | |
cc6b7395 |
382 | $code = '{$blah = 45}'; |
c277df42 |
383 | $blah = 12; |
2cd61cdb |
384 | eval { /(?$code)/ }; |
385 | print "not " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12; |
e4d48cc9 |
386 | print "ok $test\n"; |
387 | $test++; |
388 | |
2cd61cdb |
389 | for $code ('{$blah = 45}','=xx') { |
390 | $blah = 12; |
391 | $res = eval { "xx" =~ /(?$code)/o }; |
392 | if ($code eq '=xx') { |
393 | print "#'$@','$res','$blah'\nnot " unless not $@ and $res; |
394 | } else { |
395 | print "#'$@','$res','$blah'\nnot " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12; |
396 | } |
397 | print "ok $test\n"; |
398 | $test++; |
399 | } |
400 | |
e4d48cc9 |
401 | $code = '{$blah = 45}'; |
402 | $blah = 12; |
403 | eval "/(?$code)/"; |
cc6b7395 |
404 | print "not " if $blah != 45; |
405 | print "ok $test\n"; |
406 | $test++; |
407 | |
408 | $blah = 12; |
409 | /(?{$blah = 45})/; |
c277df42 |
410 | print "not " if $blah != 45; |
411 | print "ok $test\n"; |
412 | $test++; |
413 | |
74d6a13a |
414 | $x = 'banana'; |
415 | $x =~ /.a/g; |
416 | print "not " unless pos($x) == 2; |
417 | print "ok $test\n"; |
418 | $test++; |
419 | |
420 | $x =~ /.z/gc; |
421 | print "not " unless pos($x) == 2; |
422 | print "ok $test\n"; |
423 | $test++; |
424 | |
425 | sub f { |
426 | my $p = $_[0]; |
427 | return $p; |
428 | } |
429 | |
430 | $x =~ /.a/g; |
431 | print "not " unless f(pos($x)) == 4; |
432 | print "ok $test\n"; |
433 | $test++; |
4599a1de |
434 | |
ce862d02 |
435 | $x = $^R = 67; |
436 | 'foot' =~ /foo(?{$x = 12; 75})[t]/; |
437 | print "not " unless $^R eq '75'; |
438 | print "ok $test\n"; |
439 | $test++; |
440 | |
441 | $x = $^R = 67; |
442 | 'foot' =~ /foo(?{$x = 12; 75})[xy]/; |
443 | print "not " unless $^R eq '67' and $x eq '12'; |
444 | print "ok $test\n"; |
445 | $test++; |
446 | |
447 | $x = $^R = 67; |
448 | 'foot' =~ /foo(?{ $^R + 12 })((?{ $x = 12; $^R + 17 })[xy])?/; |
449 | print "not " unless $^R eq '79' and $x eq '12'; |
450 | print "ok $test\n"; |
451 | $test++; |
452 | |
8782bef2 |
453 | print "not " unless qr/\b\v$/i eq '(?i-xsm:\bv$)'; |
454 | print "ok $test\n"; |
455 | $test++; |
456 | |
457 | print "not " unless qr/\b\v$/s eq '(?s-xim:\bv$)'; |
458 | print "ok $test\n"; |
459 | $test++; |
460 | |
461 | print "not " unless qr/\b\v$/m eq '(?m-xis:\bv$)'; |
462 | print "ok $test\n"; |
463 | $test++; |
464 | |
465 | print "not " unless qr/\b\v$/x eq '(?x-ism:\bv$)'; |
466 | print "ok $test\n"; |
467 | $test++; |
468 | |
469 | print "not " unless qr/\b\v$/xism eq '(?msix:\bv$)'; |
470 | print "ok $test\n"; |
471 | $test++; |
472 | |
473 | print "not " unless qr/\b\v$/ eq '(?-xism:\bv$)'; |
97197631 |
474 | print "ok $test\n"; |
475 | $test++; |
476 | |
7e5428c5 |
477 | $_ = 'xabcx'; |
478 | foreach $ans ('', 'c') { |
479 | /(?<=(?=a)..)((?=c)|.)/g; |
480 | print "not " unless $1 eq $ans; |
481 | print "ok $test\n"; |
482 | $test++; |
483 | } |
484 | |
485 | $_ = 'a'; |
486 | foreach $ans ('', 'a', '') { |
487 | /^|a|$/g; |
488 | print "not " unless $& eq $ans; |
489 | print "ok $test\n"; |
490 | $test++; |
491 | } |
492 | |
09f25ae4 |
493 | sub prefixify { |
494 | my($v,$a,$b,$res) = @_; |
495 | $v =~ s/\Q$a\E/$b/; |
496 | print "not " unless $res eq $v; |
497 | print "ok $test\n"; |
498 | $test++; |
499 | } |
500 | prefixify('/a/b/lib/arch', "/a/b/lib", 'X/lib', 'X/lib/arch'); |
501 | prefixify('/a/b/man/arch', "/a/b/man", 'X/man', 'X/man/arch'); |
502 | |
503 | $_ = 'var="foo"'; |
504 | /(\")/; |
505 | print "not " unless $1 and /$1/; |
506 | print "ok $test\n"; |
507 | $test++; |
508 | |
8782bef2 |
509 | $a=qr/(?{++$b})/; |
2cd61cdb |
510 | $b = 7; |
511 | /$a$a/; |
512 | print "not " unless $b eq '9'; |
513 | print "ok $test\n"; |
514 | $test++; |
515 | |
516 | $c="$a"; |
517 | /$a$a/; |
518 | print "not " unless $b eq '11'; |
519 | print "ok $test\n"; |
520 | $test++; |
521 | |
522 | { |
523 | use re "eval"; |
524 | /$a$c$a/; |
525 | print "not " unless $b eq '14'; |
526 | print "ok $test\n"; |
527 | $test++; |
528 | |
529 | no re "eval"; |
530 | $match = eval { /$a$c$a/ }; |
531 | print "not " |
532 | unless $b eq '14' and $@ =~ /Eval-group not allowed/ and not $match; |
533 | print "ok $test\n"; |
534 | $test++; |
535 | } |
536 | |
4599a1de |
537 | sub must_warn_pat { |
538 | my $warn_pat = shift; |
539 | return sub { print "not " unless $_[0] =~ /$warn_pat/ } |
540 | } |
541 | |
542 | sub must_warn { |
543 | my ($warn_pat, $code) = @_; |
544 | local $^W; local %SIG; |
545 | eval 'BEGIN { $^W = 1; $SIG{__WARN__} = $warn_pat };' . $code; |
546 | print "ok $test\n"; |
547 | $test++; |
548 | } |
549 | |
550 | |
551 | sub make_must_warn { |
552 | my $warn_pat = shift; |
553 | return sub { must_warn(must_warn_pat($warn_pat)) } |
554 | } |
555 | |
556 | my $for_future = make_must_warn('reserved for future extensions'); |
557 | |
558 | &$for_future('q(a:[b]:) =~ /[x[:foo:]]/'); |
559 | &$for_future('q(a=[b]=) =~ /[x[=foo=]]/'); |
560 | &$for_future('q(a.[b].) =~ /[x[.foo.]]/'); |
f7e33566 |
561 | |
562 | # test if failure of patterns returns empty list |
563 | $_ = 'aaa'; |
564 | @_ = /bbb/; |
565 | print "not " if @_; |
566 | print "ok $test\n"; |
567 | $test++; |
568 | |
569 | @_ = /bbb/g; |
570 | print "not " if @_; |
571 | print "ok $test\n"; |
572 | $test++; |
573 | |
574 | @_ = /(bbb)/; |
575 | print "not " if @_; |
576 | print "ok $test\n"; |
577 | $test++; |
578 | |
579 | @_ = /(bbb)/g; |
580 | print "not " if @_; |
581 | print "ok $test\n"; |
582 | $test++; |
583 | |