#!./perl
#
# This is a home for regular expression tests that don't fit into
# the format supported by re/regexp.t. If you want to add a test
# that does fit that format, add it to re/re_tests, not here.
use strict;
use warnings;
use 5.010;
sub run_tests;
$| = 1;
BEGIN {
chdir 't' if -d 't';
@INC = ('../lib','.');
do "re/ReTest.pl" or die $@;
}
plan tests => 1159; # Update this when adding/deleting tests.
run_tests() unless caller;
#
# Tests start here.
#
sub run_tests {
SKIP:
{
local $Message = '\C matches octet';
$_ = "a\x{100}b";
ok /(.)(\C)(\C)(.)/ or skip q [\C doesn't match], 4;
iseq $1, "a";
if ($IS_ASCII) { # ASCII (or equivalent), should be UTF-8
iseq $2, "\xC4";
iseq $3, "\x80";
}
elsif ($IS_EBCDIC) { # EBCDIC (or equivalent), should be UTF-EBCDIC
iseq $2, "\x8C";
iseq $3, "\x41";
}
else {
SKIP: {
ok 0, "Unexpected platform", "ord ('A') = $ordA";
skip "Unexpected platform";
}
}
iseq $4, "b";
}
SKIP:
{
local $Message = '\C matches octet';
$_ = "\x{100}";
ok /(\C)/g or skip q [\C doesn't match], 2;
if ($IS_ASCII) {
iseq $1, "\xC4";
}
elsif ($IS_EBCDIC) {
iseq $1, "\x8C";
}
else {
ok 0, "Unexpected platform", "ord ('A') = $ordA";
}
ok /(\C)/g or skip q [\C doesn't match];
if ($IS_ASCII) {
iseq $1, "\x80";
}
elsif ($IS_EBCDIC) {
iseq $1, "\x41";
}
else {
ok 0, "Unexpected platform", "ord ('A') = $ordA";
}
}
{
# Japhy -- added 03/03/2001
() = (my $str = "abc") =~ /(...)/;
$str = "def";
iseq $1, "abc", 'Changing subject does not modify $1';
}
SKIP:
{
# The trick is that in EBCDIC the explicit numeric range should
# match (as also in non-EBCDIC) but the explicit alphabetic range
# should not match.
ok "\x8e" =~ /[\x89-\x91]/, '"\x8e" =~ /[\x89-\x91]/';
ok "\xce" =~ /[\xc9-\xd1]/, '"\xce" =~ /[\xc9-\xd1]/';
skip "Not an EBCDIC platform", 2 unless ord ('i') == 0x89 &&
ord ('J') == 0xd1;
# In most places these tests would succeed since \x8e does not
# in most character sets match 'i' or 'j' nor would \xce match
# 'I' or 'J', but strictly speaking these tests are here for
# the good of EBCDIC, so let's test these only there.
nok "\x8e" !~ /[i-j]/, '"\x8e" !~ /[i-j]/';
nok "\xce" !~ /[I-J]/, '"\xce" !~ /[I-J]/';
}
{
ok "\x{ab}" =~ /\x{ab}/, '"\x{ab}" =~ /\x{ab}/ ';
ok "\x{abcd}" =~ /\x{abcd}/, '"\x{abcd}" =~ /\x{abcd}/';
}
{
local $Message = 'bug id 20001008.001';
my @x = ("stra\337e 138", "stra\337e 138");
for (@x) {
ok s/(\d+)\s*([\w\-]+)/$1 . uc $2/e;
ok my ($latin) = /^(.+)(?:\s+\d)/;
iseq $latin, "stra\337e";
ok $latin =~ s/stra\337e/straße/;
#
# Previous code follows, but outcommented - there were no tests.
#
# $latin =~ s/stra\337e/straße/; # \303\237 after the 2nd a
# use utf8; # needed for the raw UTF-8
# $latin =~ s!(s)tr(?:aß|s+e)!$1tr.!; # \303\237 after the a
}
}
{
local $Message = 'Test \x escapes';
ok "ba\xd4c" =~ /([a\xd4]+)/ && $1 eq "a\xd4";
ok "ba\xd4c" =~ /([a\xd4]+)/ && $1 eq "a\x{d4}";
ok "ba\x{d4}c" =~ /([a\xd4]+)/ && $1 eq "a\x{d4}";
ok "ba\x{d4}c" =~ /([a\xd4]+)/ && $1 eq "a\xd4";
ok "ba\xd4c" =~ /([a\x{d4}]+)/ && $1 eq "a\xd4";
ok "ba\xd4c" =~ /([a\x{d4}]+)/ && $1 eq "a\x{d4}";
ok "ba\x{d4}c" =~ /([a\x{d4}]+)/ && $1 eq "a\x{d4}";
ok "ba\x{d4}c" =~ /([a\x{d4}]+)/ && $1 eq "a\xd4";
}
SKIP:
{
local $Message = 'Match code points > 255';
$_ = "abc\x{100}\x{200}\x{300}\x{380}\x{400}defg";
ok /(.\x{300})./ or skip "No match", 4;
ok $` eq "abc\x{100}" && length ($`) == 4;
ok $& eq "\x{200}\x{300}\x{380}" && length ($&) == 3;
ok $' eq "\x{400}defg" && length ($') == 5;
ok $1 eq "\x{200}\x{300}" && length ($1) == 2;
}
{
my $x = "\x{10FFFD}";
$x =~ s/(.)/$1/g;
ok ord($x) == 0x10FFFD && length($x) == 1, "From Robin Houston";
}
{
my %d = (
"7f" => [0, 0, 0],
"80" => [1, 1, 0],
"ff" => [1, 1, 0],
"100" => [0, 1, 1],
);
SKIP:
while (my ($code, $match) = each %d) {
local $Message = "Properties of \\x$code";
my $char = eval qq ["\\x{$code}"];
my $i = 0;
ok (($char =~ /[\x80-\xff]/) xor !$$match [$i ++]);
ok (($char =~ /[\x80-\x{100}]/) xor !$$match [$i ++]);
ok (($char =~ /[\x{100}]/) xor !$$match [$i ++]);
}
}
{
# From Japhy
local $Message;
must_warn 'qr/(?c)/', '^Useless \(\?c\)';
must_warn 'qr/(?-c)/', '^Useless \(\?-c\)';
must_warn 'qr/(?g)/', '^Useless \(\?g\)';
must_warn 'qr/(?-g)/', '^Useless \(\?-g\)';
must_warn 'qr/(?o)/', '^Useless \(\?o\)';
must_warn 'qr/(?-o)/', '^Useless \(\?-o\)';
# Now test multi-error regexes
must_warn 'qr/(?g-o)/', '^Useless \(\?g\).*\nUseless \(\?-o\)';
must_warn 'qr/(?g-c)/', '^Useless \(\?g\).*\nUseless \(\?-c\)';
# (?c) means (?g) error won't be thrown
must_warn 'qr/(?o-cg)/', '^Useless \(\?o\).*\nUseless \(\?-c\)';
must_warn 'qr/(?ogc)/', '^Useless \(\?o\).*\nUseless \(\?g\).*\n' .
'Useless \(\?c\)';
}
{
local $Message = "/x tests";
$_ = "foo";
eval_ok <<" --";
/f
o\r
o
\$
/x
--
eval_ok <<" --";
/f
o
o
\$\r
/x
--
}
{
local $Message = "/o feature";
sub test_o {$_ [0] =~ /$_[1]/o; return $1}
iseq test_o ('abc', '(.)..'), 'a';
iseq test_o ('abc', '..(.)'), 'a';
}
{
# Test basic $^N usage outside of a regex
local $Message = '$^N usage outside of a regex';
my $x = "abcdef";
ok ($x =~ /cde/ and !defined $^N);
ok ($x =~ /(cde)/ and $^N eq "cde");
ok ($x =~ /(c)(d)(e)/ and $^N eq "e");
ok ($x =~ /(c(d)e)/ and $^N eq "cde");
ok ($x =~ /(foo)|(c(d)e)/ and $^N eq "cde");
ok ($x =~ /(c(d)e)|(foo)/ and $^N eq "cde");
ok ($x =~ /(c(d)e)|(abc)/ and $^N eq "abc");
ok ($x =~ /(c(d)e)|(abc)x/ and $^N eq "cde");
ok ($x =~ /(c(d)e)(abc)?/ and $^N eq "cde");
ok ($x =~ /(?:c(d)e)/ and $^N eq "d");
ok ($x =~ /(?:c(d)e)(?:f)/ and $^N eq "d");
ok ($x =~ /(?:([abc])|([def]))*/ and $^N eq "f");
ok ($x =~ /(?:([ace])|([bdf]))*/ and $^N eq "f");
ok ($x =~ /(([ace])|([bd]))*/ and $^N eq "e");
{ok ($x =~ /(([ace])|([bdf]))*/ and $^N eq "f");}
## Test to see if $^N is automatically localized -- it should now
## have the value set in the previous test.
iseq $^N, "e", '$^N is automatically localized';
# Now test inside (?{ ... })
local $Message = '$^N usage inside (?{ ... })';
our ($y, $z);
ok ($x =~ /a([abc])(?{$y=$^N})c/ and $y eq "b");
ok ($x =~ /a([abc]+)(?{$y=$^N})d/ and $y eq "bc");
ok ($x =~ /a([abcdefg]+)(?{$y=$^N})d/ and $y eq "bc");
ok ($x =~ /(a([abcdefg]+)(?{$y=$^N})d)(?{$z=$^N})e/ and $y eq "bc"
and $z eq "abcd");
ok ($x =~ /(a([abcdefg]+)(?{$y=$^N})de)(?{$z=$^N})/ and $y eq "bc"
and $z eq "abcde");
}
SKIP:
{
## Should probably put in tests for all the POSIX stuff,
## but not sure how to guarantee a specific locale......
skip "Not an ASCII platform", 2 unless $IS_ASCII;
local $Message = 'Test [[:cntrl:]]';
my $AllBytes = join "" => map {chr} 0 .. 255;
(my $x = $AllBytes) =~ s/[[:cntrl:]]//g;
iseq $x, join "", map {chr} 0x20 .. 0x7E, 0x80 .. 0xFF;
($x = $AllBytes) =~ s/[^[:cntrl:]]//g;
iseq $x, join "", map {chr} 0x00 .. 0x1F, 0x7F;
}
{
# With /s modifier UTF8 chars were interpreted as bytes
local $Message = "UTF-8 chars aren't bytes";
my $a = "Hello \x{263A} World";
my @a = ($a =~ /./gs);
iseq $#a, 12;
}
{
local $Message = '. matches \n with /s';
my $str1 = "foo\nbar";
my $str2 = "foo\n\x{100}bar";
my ($a, $b) = map {chr} $IS_ASCII ? (0xc4, 0x80) : (0x8c, 0x41);
my @a;
@a = $str1 =~ /./g; iseq @a, 6; iseq "@a", "f o o b a r";
@a = $str1 =~ /./gs; iseq @a, 7; iseq "@a", "f o o \n b a r";
@a = $str1 =~ /\C/g; iseq @a, 7; iseq "@a", "f o o \n b a r";
@a = $str1 =~ /\C/gs; iseq @a, 7; iseq "@a", "f o o \n b a r";
@a = $str2 =~ /./g; iseq @a, 7; iseq "@a", "f o o \x{100} b a r";
@a = $str2 =~ /./gs; iseq @a, 8; iseq "@a", "f o o \n \x{100} b a r";
@a = $str2 =~ /\C/g; iseq @a, 9; iseq "@a", "f o o \n $a $b b a r";
@a = $str2 =~ /\C/gs; iseq @a, 9; iseq "@a", "f o o \n $a $b b a r";
}
{
no warnings 'digit';
# Check that \x## works. 5.6.1 and 5.005_03 fail some of these.
my $x;
$x = "\x4e" . "E";
ok ($x =~ /^\x4EE$/, "Check only 2 bytes of hex are matched.");
$x = "\x4e" . "i";
ok ($x =~ /^\x4Ei$/, "Check that invalid hex digit stops it (2)");
$x = "\x4" . "j";
ok ($x =~ /^\x4j$/, "Check that invalid hex digit stops it (1)");
$x = "\x0" . "k";
ok ($x =~ /^\xk$/, "Check that invalid hex digit stops it (0)");
$x = "\x0" . "x";
ok ($x =~ /^\xx$/, "\\xx isn't to be treated as \\0");
$x = "\x0" . "xa";
ok ($x =~ /^\xxa$/, "\\xxa isn't to be treated as \\xa");
$x = "\x9" . "_b";
ok ($x =~ /^\x9_b$/, "\\x9_b isn't to be treated as \\x9b");
# and now again in [] ranges
$x = "\x4e" . "E";
ok ($x =~ /^[\x4EE]{2}$/, "Check only 2 bytes of hex are matched.");
$x = "\x4e" . "i";
ok ($x =~ /^[\x4Ei]{2}$/, "Check that invalid hex digit stops it (2)");
$x = "\x4" . "j";
ok ($x =~ /^[\x4j]{2}$/, "Check that invalid hex digit stops it (1)");
$x = "\x0" . "k";
ok ($x =~ /^[\xk]{2}$/, "Check that invalid hex digit stops it (0)");
$x = "\x0" . "x";
ok ($x =~ /^[\xx]{2}$/, "\\xx isn't to be treated as \\0");
$x = "\x0" . "xa";
ok ($x =~ /^[\xxa]{3}$/, "\\xxa isn't to be treated as \\xa");
$x = "\x9" . "_b";
ok ($x =~ /^[\x9_b]{3}$/, "\\x9_b isn't to be treated as \\x9b");
# Check that \x{##} works. 5.6.1 fails quite a few of these.
$x = "\x9b";
ok ($x =~ /^\x{9_b}$/, "\\x{9_b} is to be treated as \\x9b");
$x = "\x9b" . "y";
ok ($x =~ /^\x{9_b}y$/, "\\x{9_b} is to be treated as \\x9b (again)");
$x = "\x9b" . "y";
ok ($x =~ /^\x{9b_}y$/, "\\x{9b_} is to be treated as \\x9b");
$x = "\x9b" . "y";
ok ($x =~ /^\x{9_bq}y$/, "\\x{9_bc} is to be treated as \\x9b");
$x = "\x0" . "y";
ok ($x =~ /^\x{x9b}y$/, "\\x{x9b} is to be treated as \\x0");
$x = "\x0" . "y";
ok ($x =~ /^\x{0x9b}y$/, "\\x{0x9b} is to be treated as \\x0");
$x = "\x9b" . "y";
ok ($x =~ /^\x{09b}y$/, "\\x{09b} is to be treated as \\x9b");
$x = "\x9b";
ok ($x =~ /^[\x{9_b}]$/, "\\x{9_b} is to be treated as \\x9b");
$x = "\x9b" . "y";
ok ($x =~ /^[\x{9_b}y]{2}$/,
"\\x{9_b} is to be treated as \\x9b (again)");
$x = "\x9b" . "y";
ok ($x =~ /^[\x{9b_}y]{2}$/, "\\x{9b_} is to be treated as \\x9b");
$x = "\x9b" . "y";
ok ($x =~ /^[\x{9_bq}y]{2}$/, "\\x{9_bc} is to be treated as \\x9b");
$x = "\x0" . "y";
ok ($x =~ /^[\x{x9b}y]{2}$/, "\\x{x9b} is to be treated as \\x0");
$x = "\x0" . "y";
ok ($x =~ /^[\x{0x9b}y]{2}$/, "\\x{0x9b} is to be treated as \\x0");
$x = "\x9b" . "y";
ok ($x =~ /^[\x{09b}y]{2}$/, "\\x{09b} is to be treated as \\x9b");
}
{
# High bit bug -- japhy
my $x = "ab\200d";
ok $x =~ /.*?\200/, "High bit fine";
}
{
# The basic character classes and Unicode
ok "\x{0100}" =~ /\w/, 'LATIN CAPITAL LETTER A WITH MACRON in /\w/';
ok "\x{0660}" =~ /\d/, 'ARABIC-INDIC DIGIT ZERO in /\d/';
ok "\x{1680}" =~ /\s/, 'OGHAM SPACE MARK in /\s/';
}
{
local $Message = "Folding matches and Unicode";
ok "a\x{100}" =~ /A/i;
ok "A\x{100}" =~ /a/i;
ok "a\x{100}" =~ /a/i;
ok "A\x{100}" =~ /A/i;
ok "\x{101}a" =~ /\x{100}/i;
ok "\x{100}a" =~ /\x{100}/i;
ok "\x{101}a" =~ /\x{101}/i;
ok "\x{100}a" =~ /\x{101}/i;
ok "a\x{100}" =~ /A\x{100}/i;
ok "A\x{100}" =~ /a\x{100}/i;
ok "a\x{100}" =~ /a\x{100}/i;
ok "A\x{100}" =~ /A\x{100}/i;
ok "a\x{100}" =~ /[A]/i;
ok "A\x{100}" =~ /[a]/i;
ok "a\x{100}" =~ /[a]/i;
ok "A\x{100}" =~ /[A]/i;
ok "\x{101}a" =~ /[\x{100}]/i;
ok "\x{100}a" =~ /[\x{100}]/i;
ok "\x{101}a" =~ /[\x{101}]/i;
ok "\x{100}a" =~ /[\x{101}]/i;
}
{
use charnames ':full';
local $Message = "Folding 'LATIN LETTER A WITH GRAVE'";
my $lower = "\N{LATIN SMALL LETTER A WITH GRAVE}";
my $UPPER = "\N{LATIN CAPITAL LETTER A WITH GRAVE}";
ok $lower =~ m/$UPPER/i;
ok $UPPER =~ m/$lower/i;
ok $lower =~ m/[$UPPER]/i;
ok $UPPER =~ m/[$lower]/i;
local $Message = "Folding 'GREEK LETTER ALPHA WITH VRACHY'";
$lower = "\N{GREEK CAPITAL LETTER ALPHA WITH VRACHY}";
$UPPER = "\N{GREEK SMALL LETTER ALPHA WITH VRACHY}";
ok $lower =~ m/$UPPER/i;
ok $UPPER =~ m/$lower/i;
ok $lower =~ m/[$UPPER]/i;
ok $UPPER =~ m/[$lower]/i;
local $Message = "Folding 'LATIN LETTER Y WITH DIAERESIS'";
$lower = "\N{LATIN SMALL LETTER Y WITH DIAERESIS}";
$UPPER = "\N{LATIN CAPITAL LETTER Y WITH DIAERESIS}";
ok $lower =~ m/$UPPER/i;
ok $UPPER =~ m/$lower/i;
ok $lower =~ m/[$UPPER]/i;
ok $UPPER =~ m/[$lower]/i;
}
{
use charnames ':full';
local $PatchId = "13843";
local $Message = "GREEK CAPITAL LETTER SIGMA vs " .
"COMBINING GREEK PERISPOMENI";
my $SIGMA = "\N{GREEK CAPITAL LETTER SIGMA}";
my $char = "\N{COMBINING GREEK PERISPOMENI}";
may_not_warn sub {ok "_:$char:_" !~ m/_:$SIGMA:_/i};
}
{
local $Message = '\X';
use charnames ':full';
ok "a!" =~ /^(\X)!/ && $1 eq "a";
ok "\xDF!" =~ /^(\X)!/ && $1 eq "\xDF";
ok "\x{100}!" =~ /^(\X)!/ && $1 eq "\x{100}";
ok "\x{100}\x{300}!" =~ /^(\X)!/ && $1 eq "\x{100}\x{300}";
ok "\N{LATIN CAPITAL LETTER E}!" =~ /^(\X)!/ &&
$1 eq "\N{LATIN CAPITAL LETTER E}";
ok "\N{LATIN CAPITAL LETTER E}\N{COMBINING GRAVE ACCENT}!"
=~ /^(\X)!/ &&
$1 eq "\N{LATIN CAPITAL LETTER E}\N{COMBINING GRAVE ACCENT}";
local $Message = '\C and \X';
ok "!abc!" =~ /a\Cc/;
ok "!abc!" =~ /a\Xc/;
}
{
local $Message = "Final Sigma";
my $SIGMA = "\x{03A3}"; # CAPITAL
my $Sigma = "\x{03C2}"; # SMALL FINAL
my $sigma = "\x{03C3}"; # SMALL
ok $SIGMA =~ /$SIGMA/i;
ok $SIGMA =~ /$Sigma/i;
ok $SIGMA =~ /$sigma/i;
ok $Sigma =~ /$SIGMA/i;
ok $Sigma =~ /$Sigma/i;
ok $Sigma =~ /$sigma/i;
ok $sigma =~ /$SIGMA/i;
ok $sigma =~ /$Sigma/i;
ok $sigma =~ /$sigma/i;
ok $SIGMA =~ /[$SIGMA]/i;
ok $SIGMA =~ /[$Sigma]/i;
ok $SIGMA =~ /[$sigma]/i;
ok $Sigma =~ /[$SIGMA]/i;
ok $Sigma =~ /[$Sigma]/i;
ok $Sigma =~ /[$sigma]/i;
ok $sigma =~ /[$SIGMA]/i;
ok $sigma =~ /[$Sigma]/i;
ok $sigma =~ /[$sigma]/i;
local $Message = "More final Sigma";
my $S3 = "$SIGMA$Sigma$sigma";
ok ":$S3:" =~ /:(($SIGMA)+):/i && $1 eq $S3 && $2 eq $sigma;
ok ":$S3:" =~ /:(($Sigma)+):/i && $1 eq $S3 && $2 eq $sigma;
ok ":$S3:" =~ /:(($sigma)+):/i && $1 eq $S3 && $2 eq $sigma;
ok ":$S3:" =~ /:(([$SIGMA])+):/i && $1 eq $S3 && $2 eq $sigma;
ok ":$S3:" =~ /:(([$Sigma])+):/i && $1 eq $S3 && $2 eq $sigma;
ok ":$S3:" =~ /:(([$sigma])+):/i && $1 eq $S3 && $2 eq $sigma;
}
{
use charnames ':full';
local $Message = "Parlez-Vous " .
"Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais?";
ok "Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran.ais/ &&
$& eq "Francais";
ok "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~ /Fran.ais/ &&
$& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais";
ok "Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran\Cais/ &&
$& eq "Francais";
# COMBINING CEDILLA is two bytes when encoded
ok "Franc\N{COMBINING CEDILLA}ais" =~ /Franc\C\Cais/;
ok "Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran\Xais/ &&
$& eq "Francais";
ok "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~ /Fran\Xais/ &&
$& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais";
ok "Franc\N{COMBINING CEDILLA}ais" =~ /Fran\Xais/ &&
$& eq "Franc\N{COMBINING CEDILLA}ais";
ok "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~
/Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais/ &&
$& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais";
ok "Franc\N{COMBINING CEDILLA}ais" =~ /Franc\N{COMBINING CEDILLA}ais/ &&
$& eq "Franc\N{COMBINING CEDILLA}ais";
my @f = (
["Fran\N{LATIN SMALL LETTER C}ais", "Francais"],
["Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais",
"Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais"],
["Franc\N{COMBINING CEDILLA}ais", "Franc\N{COMBINING CEDILLA}ais"],
);
foreach my $entry (@f) {
my ($subject, $match) = @$entry;
ok $subject =~ /Fran(?:c\N{COMBINING CEDILLA}?|
\N{LATIN SMALL LETTER C WITH CEDILLA})ais/x &&
$& eq $match;
}
}
{
local $Message = "Lingering (and useless) UTF8 flag doesn't mess up /i";
my $pat = "ABcde";
my $str = "abcDE\x{100}";
chop $str;
ok $str =~ /$pat/i;
$pat = "ABcde\x{100}";
$str = "abcDE";
chop $pat;
ok $str =~ /$pat/i;
$pat = "ABcde\x{100}";
$str = "abcDE\x{100}";
chop $pat;
chop $str;
ok $str =~ /$pat/i;
}
{
use charnames ':full';
local $Message = "LATIN SMALL LETTER SHARP S " .
"(\N{LATIN SMALL LETTER SHARP S})";
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/\N{LATIN SMALL LETTER SHARP S}/;
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/\N{LATIN SMALL LETTER SHARP S}/i;
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/[\N{LATIN SMALL LETTER SHARP S}]/;
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/[\N{LATIN SMALL LETTER SHARP S}]/i;
ok "ss" =~ /\N{LATIN SMALL LETTER SHARP S}/i;
ok "SS" =~ /\N{LATIN SMALL LETTER SHARP S}/i;
ok "ss" =~ /[\N{LATIN SMALL LETTER SHARP S}]/i;
ok "SS" =~ /[\N{LATIN SMALL LETTER SHARP S}]/i;
ok "\N{LATIN SMALL LETTER SHARP S}" =~ /ss/i;
ok "\N{LATIN SMALL LETTER SHARP S}" =~ /SS/i;
local $Message = "Unoptimized named sequence in class";
ok "ss" =~ /[\N{LATIN SMALL LETTER SHARP S}x]/i;
ok "SS" =~ /[\N{LATIN SMALL LETTER SHARP S}x]/i;
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/[\N{LATIN SMALL LETTER SHARP S}x]/;
ok "\N{LATIN SMALL LETTER SHARP S}" =~
/[\N{LATIN SMALL LETTER SHARP S}x]/i;
}
{
# More whitespace: U+0085, U+2028, U+2029\n";
# U+0085, U+00A0 need to be forced to be Unicode, the \x{100} does that.
SKIP: {
skip "EBCDIC platform", 4 if $IS_EBCDIC;
# Do \x{0015} and \x{0041} match \s in EBCDIC?
ok "<\x{100}\x{0085}>" =~ /<\x{100}\s>/, '\x{0085} in \s';
ok "<\x{0085}>" =~ /<\v>/, '\x{0085} in \v';
ok "<\x{100}\x{00A0}>" =~ /<\x{100}\s>/, '\x{00A0} in \s';
ok "<\x{00A0}>" =~ /<\h>/, '\x{00A0} in \h';
}
my @h = map {sprintf "%05x" => $_} 0x01680, 0x0180E, 0x02000 .. 0x0200A,
0x0202F, 0x0205F, 0x03000;
my @v = map {sprintf "%05x" => $_} 0x02028, 0x02029;
my @H = map {sprintf "%05x" => $_} 0x01361, 0x0200B, 0x02408, 0x02420,
0x0303F, 0xE0020;
my @V = map {sprintf "%05x" => $_} 0x0008A .. 0x0008D, 0x00348, 0x10100,
0xE005F, 0xE007C;
for my $hex (@h) {
my $str = eval qq ["<\\x{$hex}>"];
ok $str =~ /<\s>/, "\\x{$hex} in \\s";
ok $str =~ /<\h>/, "\\x{$hex} in \\h";
ok $str !~ /<\v>/, "\\x{$hex} not in \\v";
}
for my $hex (@v) {
my $str = eval qq ["<\\x{$hex}>"];
ok $str =~ /<\s>/, "\\x{$hex} in \\s";
ok $str =~ /<\v>/, "\\x{$hex} in \\v";
ok $str !~ /<\h>/, "\\x{$hex} not in \\h";
}
for my $hex (@H) {
my $str = eval qq ["<\\x{$hex}>"];
ok $str =~ /<\S>/, "\\x{$hex} in \\S";
ok $str =~ /<\H>/, "\\x{$hex} in \\H";
}
for my $hex (@V) {
my $str = eval qq ["<\\x{$hex}>"];
ok $str =~ /<\S>/, "\\x{$hex} in \\S";
ok $str =~ /<\V>/, "\\x{$hex} in \\V";
}
}
{
# . with /s should work on characters, as opposed to bytes
local $Message = ". with /s works on characters, not bytes";
my $s = "\x{e4}\x{100}";
# This is not expected to match: the point is that
# neither should we get "Malformed UTF-8" warnings.
may_not_warn sub {$s =~ /\G(.+?)\n/gcs}, "No 'Malformed UTF-8' warning";
my @c;
push @c => $1 while $s =~ /\G(.)/gs;
local $" = "";
iseq "@c", $s;
# Test only chars < 256
my $t1 = "Q003\n\n\x{e4}\x{f6}\n\nQ004\n\n\x{e7}";
my $r1 = "";
while ($t1 =~ / \G ( .+? ) \n\s+ ( .+? ) ( $ | \n\s+ ) /xgcs) {
$r1 .= $1 . $2;
}
my $t2 = $t1 . "\x{100}"; # Repeat with a larger char
my $r2 = "";
while ($t2 =~ / \G ( .+? ) \n\s+ ( .+? ) ( $ | \n\s+ ) /xgcs) {
$r2 .= $1 . $2;
}
$r2 =~ s/\x{100}//;
iseq $r1, $r2;
}
{
local $Message = "Unicode lookbehind";
ok "A\x{100}B" =~ /(?<=A.)B/;
ok "A\x{200}\x{300}B" =~ /(?<=A..)B/;
ok "\x{400}AB" =~ /(?<=\x{400}.)B/;
ok "\x{500}\x{600}B" =~ /(?<=\x{500}.)B/;
# Original code also contained:
# ok "\x{500\x{600}}B" =~ /(?<=\x{500}.)B/;
# but that looks like a typo.
}
{
local $Message = 'UTF-8 hash keys and /$/';
# http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters
# /2002-01/msg01327.html
my $u = "a\x{100}";
my $v = substr ($u, 0, 1);
my $w = substr ($u, 1, 1);
my %u = ($u => $u, $v => $v, $w => $w);
for (keys %u) {
my $m1 = /^\w*$/ ? 1 : 0;
my $m2 = $u {$_} =~ /^\w*$/ ? 1 : 0;
iseq $m1, $m2;
}
}
{
local $Message = "No SEGV in s/// and UTF-8";
my $s = "s#\x{100}" x 4;
ok $s =~ s/[^\w]/ /g;
if ( 1 or $ENV{PERL_TEST_LEGACY_POSIX_CC} ) {
iseq $s, "s \x{100}" x 4;
}
else {
iseq $s, "s " x 4;
}
}
{
local $Message = "UTF-8 bug (maybe already known?)";
my $u = "foo";
$u =~ s/./\x{100}/g;
iseq $u, "\x{100}\x{100}\x{100}";
$u = "foobar";
$u =~ s/[ao]/\x{100}/g;
iseq $u, "f\x{100}\x{100}b\x{100}r";
$u =~ s/\x{100}/e/g;
iseq $u, "feeber";
}
{
local $Message = "UTF-8 bug with s///";
# check utf8/non-utf8 mixtures
# try to force all float/anchored check combinations
my $c = "\x{100}";
my $subst;
for my $re ("xx.*$c", "x.*$c$c", "$c.*xx", "$c$c.*x",
"xx.*(?=$c)", "(?=$c).*xx",) {
ok "xxx" !~ /$re/;
ok +($subst = "xxx") !~ s/$re//;
}
for my $re ("xx.*$c*", "$c*.*xx") {
ok "xxx" =~ /$re/;
ok +($subst = "xxx") =~ s/$re//;
iseq $subst, "";
}
for my $re ("xxy*", "y*xx") {
ok "xx$c" =~ /$re/;
ok +($subst = "xx$c") =~ s/$re//;
iseq $subst, $c;
ok "xy$c" !~ /$re/;
ok +($subst = "xy$c") !~ s/$re//;
}
for my $re ("xy$c*z", "x$c*yz") {
ok "xyz" =~ /$re/;
ok +($subst = "xyz") =~ s/$re//;
iseq $subst, "";
}
}
{
local $Message = "qr /.../x";
my $R = qr / A B C # D E/x;
ok "ABCDE" =~ $R && $& eq "ABC";
ok "ABCDE" =~ /$R/ && $& eq "ABC";
ok "ABCDE" =~ m/$R/ && $& eq "ABC";
ok "ABCDE" =~ /($R)/ && $1 eq "ABC";
ok "ABCDE" =~ m/($R)/ && $1 eq "ABC";
}
{
local $\;
$_ = 'aaaaaaaaaa';
utf8::upgrade($_); chop $_; $\="\n";
ok /[^\s]+/, 'm/[^\s]/ utf8';
ok /[^\d]+/, 'm/[^\d]/ utf8';
ok +($a = $_, $_ =~ s/[^\s]+/./g), 's/[^\s]/ utf8';
ok +($a = $_, $a =~ s/[^\d]+/./g), 's/[^\s]/ utf8';
}
{
# Subject: Odd regexp behavior
# From: Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>
# Date: Wed, 26 Feb 2003 16:53:12 +0000
# Message-Id: <E18o4nw-0008Ly-00@wisbech.cl.cam.ac.uk>
# To: perl-unicode@perl.org
local $Message = 'Markus Kuhn 2003-02-26';
my $x = "\x{2019}\nk";
ok $x =~ s/(\S)\n(\S)/$1 $2/sg;
ok $x eq "\x{2019} k";
$x = "b\nk";
ok $x =~ s/(\S)\n(\S)/$1 $2/sg;
ok $x eq "b k";
ok "\x{2019}" =~ /\S/;
}
{
# XXX DAPM 13-Apr-06. Recursive split is still broken. It's only luck it
# hasn't been crashing. Disable this test until it is fixed properly.
# XXX also check what it returns rather than just doing ok(1,...)
# split /(?{ split "" })/, "abc";
local $TODO = "Recursive split is still broken";
ok 0, 'cache_re & "(?{": it dumps core in 5.6.1 & 5.8.0';
}
{
ok "\x{100}\n" =~ /\x{100}\n$/, "UTF-8 length cache and fbm_compile";
}
{
package Str;
use overload q /""/ => sub {${$_ [0]};};
sub new {my ($c, $v) = @_; bless \$v, $c;}
package main;
$_ = Str -> new ("a\x{100}/\x{100}b");
ok join (":", /\b(.)\x{100}/g) eq "a:/", "re_intuit_start and PL_bostr";
}
{
my $re = qq /^([^X]*)X/;
utf8::upgrade ($re);
ok "\x{100}X" =~ /$re/, "S_cl_and ANYOF_UNICODE & ANYOF_INVERTED";
}
{
ok "123\x{100}" =~ /^.*1.*23\x{100}$/,
'UTF-8 + multiple floating substr';
}
{
local $Message = '<20030808193656.5109.1@llama.ni-s.u-net.com>';
# LATIN SMALL/CAPITAL LETTER A WITH MACRON
ok " \x{101}" =~ qr/\x{100}/i;
# LATIN SMALL/CAPITAL LETTER A WITH RING BELOW
ok " \x{1E01}" =~ qr/\x{1E00}/i;
# DESERET SMALL/CAPITAL LETTER LONG I
ok " \x{10428}" =~ qr/\x{10400}/i;
# LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'
ok " \x{1E01}x" =~ qr/\x{1E00}X/i;
}
{
for (120 .. 130) {
my $head = 'x' x $_;
local $Message = q [Don't misparse \x{...} in regexp ] .
q [near 127 char EXACT limit];
for my $tail ('\x{0061}', '\x{1234}', '\x61') {
eval_ok qq ["$head$tail" =~ /$head$tail/];
}
local $Message = q [Don't misparse \N{...} in regexp ] .
q [near 127 char EXACT limit];
for my $tail ('\N{SNOWFLAKE}') {
eval_ok qq [use charnames ':full';
"$head$tail" =~ /$head$tail/];
}
}
}
{ # TRIE related
our @got = ();
"words" =~ /(word|word|word)(?{push @got, $1})s$/;
iseq @got, 1, "TRIE optimation";
@got = ();
"words" =~ /(word|word|word)(?{push @got,$1})s$/i;
iseq @got, 1,"TRIEF optimisation";
my @nums = map {int rand 1000} 1 .. 100;
my $re = "(" . (join "|", @nums) . ")";
$re = qr/\b$re\b/;
foreach (@nums) {
ok $_ =~ /$re/, "Trie nums";
}
$_ = join " ", @nums;
@got = ();
push @got, $1 while /$re/g;
my %count;
$count {$_} ++ for @got;
my $ok = 1;
for (@nums) {
$ok = 0 if --$count {$_} < 0;
}
ok $ok, "Trie min count matches";
}
{
# TRIE related
# LATIN SMALL/CAPITAL LETTER A WITH MACRON
ok "foba \x{101}foo" =~ qr/(foo|\x{100}foo|bar)/i &&
$1 eq "\x{101}foo",
"TRIEF + LATIN SMALL/CAPITAL LETTER A WITH MACRON";
# LATIN SMALL/CAPITAL LETTER A WITH RING BELOW
ok "foba \x{1E01}foo" =~ qr/(foo|\x{1E00}foo|bar)/i &&
$1 eq "\x{1E01}foo",
"TRIEF + LATIN SMALL/CAPITAL LETTER A WITH RING BELOW";
# DESERET SMALL/CAPITAL LETTER LONG I
ok "foba \x{10428}foo" =~ qr/(foo|\x{10400}foo|bar)/i &&
$1 eq "\x{10428}foo",
"TRIEF + DESERET SMALL/CAPITAL LETTER LONG I";
# LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'
ok "foba \x{1E01}xfoo" =~ qr/(foo|\x{1E00}Xfoo|bar)/i &&
$1 eq "\x{1E01}xfoo",
"TRIEF + LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'";
use charnames ':full';
my $s = "\N{LATIN SMALL LETTER SHARP S}";
ok "foba ba$s" =~ qr/(foo|Ba$s|bar)/i && $1 eq "ba$s",
"TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
ok "foba ba$s" =~ qr/(Ba$s|foo|bar)/i && $1 eq "ba$s",
"TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
ok "foba ba$s" =~ qr/(foo|bar|Ba$s)/i && $1 eq "ba$s",
"TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
ok "foba ba$s" =~ qr/(foo|Bass|bar)/i && $1 eq "ba$s",
"TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
ok "foba ba$s" =~ qr/(foo|BaSS|bar)/i && $1 eq "ba$s",
"TRIEF + LATIN SMALL LETTER SHARP S =~ SS";
ok "foba ba${s}pxySS$s$s" =~ qr/(b(?:a${s}t|a${s}f|a${s}p)[xy]+$s*)/i
&& $1 eq "ba${s}pxySS$s$s",
"COMMON PREFIX TRIEF + LATIN SMALL LETTER SHARP S";
}
{
BEGIN {
unshift @INC, 'lib';
}
use Cname;
ok 'fooB' =~ /\N{foo}[\N{B}\N{b}]/, "Passthrough charname";
#
# Why doesn't must_warn work here?
#
my $w;
local $SIG {__WARN__} = sub {$w .= "@_"};
eval 'q(xxWxx) =~ /[\N{WARN}]/';
ok $w && $w =~ /Using just the first character returned by \\N{} in character class/,
"single character in [\\N{}] warning";
undef $w;
eval q [ok "\0" !~ /[\N{EMPTY-STR}XY]/,
"Zerolength charname in charclass doesn't match \\0"];
ok $w && $w =~ /Ignoring zero length/,
'Ignoring zero length \N{} in character class warning';
ok 'AB' =~ /(\N{EVIL})/ && $1 eq 'A', 'Charname caching $1';
ok 'ABC' =~ /(\N{EVIL})/, 'Charname caching $1';
ok 'xy' =~ /x\N{EMPTY-STR}y/,
'Empty string charname produces NOTHING node';
ok '' =~ /\N{EMPTY-STR}/,
'Empty string charname produces NOTHING node';
ok "\N{LONG-STR}" =~ /^\N{LONG-STR}$/, 'Verify that long string works';
ok "\N{LONG-STR}" =~ /^\N{LONG-STR}$/i, 'Verify under folding that long string works';
# If remove the limitation in regcomp code these should work
# differently
undef $w;
eval q [ok "\N{LONG-STR}" =~ /^\N{TOO-LONG-STR}$/, 'Verify that too long a string fails gracefully'];
ok $w && $w =~ /Using just the first characters returned/, 'Verify that got too-long string warning in \N{} that exceeds the limit';
undef $w;
eval q [ok "\N{LONG-STR}" =~ /^\N{TOO-LONG-STR}$/i, 'Verify under folding that too long a string fails gracefully'];
ok $w && $w =~ /Using just the first characters returned/, 'Verify under folding that got too-long string warning in \N{} that exceeds the limit';
undef $w;
eval q [ok "\N{TOO-LONG-STR}" !~ /^\N{TOO-LONG-STR}$/, 'Verify that too long a string doesnt work'];
ok $w && $w =~ /Using just the first characters returned/, 'Verify that got too-long string warning in \N{} that exceeds the limit';
undef $w;
eval q [ok "\N{TOO-LONG-STR}" !~ /^\N{TOO-LONG-STR}$/i, 'Verify under folding that too long a string doesnt work'];
ok $w && $w =~ /Using just the first characters returned/i, 'Verify under folding that got too-long string warning in \N{} that exceeds the limit';
undef $w;
eval 'q(syntax error) =~ /\N{MALFORMED}/';
ok $@ && $@ =~ /Malformed/, 'Verify that malformed utf8 gives an error';
undef $w;
eval 'q() =~ /\N{4F}/';
ok $w && $w =~ /Deprecated/, 'Verify that leading digit in name gives warning';
undef $w;
eval 'q() =~ /\N{COM,MA}/';
ok $w && $w =~ /Deprecated/, 'Verify that comma in name gives warning';
undef $w;
my $name = "A\x{D7}O";
eval "q(W) =~ /\\N{$name}/";
ok $w && $w =~ /Deprecated/, 'Verify that latin1 symbol in name gives warning';
undef $w;
$name = "A\x{D1}O";
eval "q(W) =~ /\\N{$name}/";
ok ! $w, 'Verify that latin1 letter in name doesnt give warning';
}
{
use charnames ':full';
ok 'aabc' !~ /a\N{PLUS SIGN}b/, '/a\N{PLUS SIGN}b/ against aabc';
ok 'a+bc' =~ /a\N{PLUS SIGN}b/, '/a\N{PLUS SIGN}b/ against a+bc';
ok ' A B' =~ /\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}/,
'Intermixed named and unicode escapes';
ok "\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}" =~
/\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}/,
'Intermixed named and unicode escapes';
ok "\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}" =~
/[\N{SPACE}\N{U+0041}][\N{SPACE}\N{U+0042}]/,
'Intermixed named and unicode escapes';
ok "\0" =~ /^\N{NULL}$/, 'Verify that \N{NULL} works; is not confused with an error';
}
{
our $brackets;
$brackets = qr{
{ (?> [^{}]+ | (??{ $brackets }) )* }
}x;
ok "{b{c}d" !~ m/^((??{ $brackets }))/, "Bracket mismatch";
SKIP: {
our @stack = ();
my @expect = qw(
stuff1
stuff2
<stuff1>and<stuff2>
right
<right>
<<right>>
<<<right>>>
<<stuff1>and<stuff2>><<<<right>>>>
);
local $_ = '<<<stuff1>and<stuff2>><<<<right>>>>>';
ok /^(<((?:(?>[^<>]+)|(?1))*)>(?{push @stack, $2 }))$/,
"Recursion matches";
iseq @stack, @expect, "Right amount of matches"
or skip "Won't test individual results as count isn't equal",
0 + @expect;
my $idx = 0;
foreach my $expect (@expect) {
iseq $stack [$idx], $expect,
"Expecting '$expect' at stack pos #$idx";
$idx ++;
}
}
}
{
my $s = '123453456';
$s =~ s/(?<digits>\d+)\k<digits>/$+{digits}/;
ok $s eq '123456', 'Named capture (angle brackets) s///';
$s = '123453456';
$s =~ s/(?'digits'\d+)\k'digits'/$+{digits}/;
ok $s eq '123456', 'Named capture (single quotes) s///';
}
{
my @ary = (
pack('U', 0x00F1), # n-tilde
'_'.pack('U', 0x00F1), # _ + n-tilde
'c'.pack('U', 0x0327), # c + cedilla
pack('U*', 0x00F1, 0x0327), # n-tilde + cedilla
pack('U', 0x0391), # ALPHA
pack('U', 0x0391).'2', # ALPHA + 2
pack('U', 0x0391).'_', # ALPHA + _
);
for my $uni (@ary) {
my ($r1, $c1, $r2, $c2) = eval qq {
use utf8;
scalar ("..foo foo.." =~ /(?'${uni}'foo) \\k'${uni}'/),
\$+{${uni}},
scalar ("..bar bar.." =~ /(?<${uni}>bar) \\k<${uni}>/),
\$+{${uni}};
};
ok $r1, "Named capture UTF (?'')";
ok defined $c1 && $c1 eq 'foo', "Named capture UTF \%+";
ok $r2, "Named capture UTF (?<>)";
ok defined $c2 && $c2 eq 'bar', "Named capture UTF \%+";
}
}
{
my $s = 'foo bar baz';
my @res;
if ('1234' =~ /(?<A>1)(?<B>2)(?<A>3)(?<B>4)/) {
foreach my $name (sort keys(%-)) {
my $ary = $- {$name};
foreach my $idx (0 .. $#$ary) {
push @res, "$name:$idx:$ary->[$idx]";
}
}
}
my @expect = qw (A:0:1 A:1:3 B:0:2 B:1:4);
iseq "@res", "@expect", "Check %-";
eval'
no warnings "uninitialized";
print for $- {this_key_doesnt_exist};
';
ok !$@,'lvalue $- {...} should not throw an exception';
}
{
# \, breaks {3,4}
ok "xaaay" !~ /xa{3\,4}y/, '\, in a pattern';
ok "xa{3,4}y" =~ /xa{3\,4}y/, '\, in a pattern';
# \c\ followed by _
ok "x\c_y" !~ /x\c\_y/, '\_ in a pattern';
ok "x\c\_y" =~ /x\c\_y/, '\_ in a pattern';
# \c\ followed by other characters
for my $c ("z", "\0", "!", chr(254), chr(256)) {
my $targ = "a\034$c";
my $reg = "a\\c\\$c";
ok eval ("qq/$targ/ =~ /$reg/"), "\\c\\ in pattern";
}
}
{ # Test the (*PRUNE) pattern
our $count = 0;
'aaab' =~ /a+b?(?{$count++})(*FAIL)/;
iseq $count, 9, "Expect 9 for no (*PRUNE)";
$count = 0;
'aaab' =~ /a+b?(*PRUNE)(?{$count++})(*FAIL)/;
iseq $count, 3, "Expect 3 with (*PRUNE)";
local $_ = 'aaab';
$count = 0;
1 while /.(*PRUNE)(?{$count++})(*FAIL)/g;
iseq $count, 4, "/.(*PRUNE)/";
$count = 0;
'aaab' =~ /a+b?(??{'(*PRUNE)'})(?{$count++})(*FAIL)/;
iseq $count, 3, "Expect 3 with (*PRUNE)";
local $_ = 'aaab';
$count = 0;
1 while /.(??{'(*PRUNE)'})(?{$count++})(*FAIL)/g;
iseq $count, 4, "/.(*PRUNE)/";
}
{ # Test the (*SKIP) pattern
our $count = 0;
'aaab' =~ /a+b?(*SKIP)(?{$count++})(*FAIL)/;
iseq $count, 1, "Expect 1 with (*SKIP)";
local $_ = 'aaab';
$count = 0;
1 while /.(*SKIP)(?{$count++})(*FAIL)/g;
iseq $count, 4, "/.(*SKIP)/";
$_ = 'aaabaaab';
$count = 0;
our @res = ();
1 while /(a+b?)(*SKIP)(?{$count++; push @res,$1})(*FAIL)/g;
iseq $count, 2, "Expect 2 with (*SKIP)";
iseq "@res", "aaab aaab", "Adjacent (*SKIP) works as expected";
}
{ # Test the (*SKIP) pattern
our $count = 0;
'aaab' =~ /a+b?(*MARK:foo)(*SKIP)(?{$count++})(*FAIL)/;
iseq $count, 1, "Expect 1 with (*SKIP)";
local $_ = 'aaab';
$count = 0;
1 while /.(*MARK:foo)(*SKIP)(?{$count++})(*FAIL)/g;
iseq $count, 4, "/.(*SKIP)/";
$_ = 'aaabaaab';
$count = 0;
our @res = ();
1 while /(a+b?)(*MARK:foo)(*SKIP)(?{$count++; push @res,$1})(*FAIL)/g;
iseq $count, 2, "Expect 2 with (*SKIP)";
iseq "@res", "aaab aaab", "Adjacent (*SKIP) works as expected";
}
{ # Test the (*SKIP) pattern
our $count = 0;
'aaab' =~ /a*(*MARK:a)b?(*MARK:b)(*SKIP:a)(?{$count++})(*FAIL)/;
iseq $count, 3, "Expect 3 with *MARK:a)b?(*MARK:b)(*SKIP:a)";
local $_ = 'aaabaaab';
$count = 0;
our @res = ();
1 while
/(a*(*MARK:a)b?)(*MARK:x)(*SKIP:a)(?{$count++; push @res,$1})(*FAIL)/g;
iseq $count, 5, "Expect 5 with (*MARK:a)b?)(*MARK:x)(*SKIP:a)";
iseq "@res", "aaab b aaab b ",
"Adjacent (*MARK:a)b?)(*MARK:x)(*SKIP:a) works as expected";
}
{ # Test the (*COMMIT) pattern
our $count = 0;
'aaabaaab' =~ /a+b?(*COMMIT)(?{$count++})(*FAIL)/;
iseq $count, 1, "Expect 1 with (*COMMIT)";
local $_ = 'aaab';
$count = 0;
1 while /.(*COMMIT)(?{$count++})(*FAIL)/g;
iseq $count, 1, "/.(*COMMIT)/";
$_ = 'aaabaaab';
$count = 0;
our @res = ();
1 while /(a+b?)(*COMMIT)(?{$count++; push @res,$1})(*FAIL)/g;
iseq $count, 1, "Expect 1 with (*COMMIT)";
iseq "@res", "aaab", "Adjacent (*COMMIT) works as expected";
}
{
# Test named commits and the $REGERROR var
our $REGERROR;
for my $name ('', ':foo') {
for my $pat ("(*PRUNE$name)",
($name ? "(*MARK$name)" : "") . "(*SKIP$name)",
"(*COMMIT$name)") {
for my $suffix ('(*FAIL)', '') {
'aaaab' =~ /a+b$pat$suffix/;
iseq $REGERROR,
($suffix ? ($name ? 'foo' : "1") : ""),
"Test $pat and \$REGERROR $suffix";
}
}
}
}
{
# Test named commits and the $REGERROR var
package Fnorble;
our $REGERROR;
for my $name ('', ':foo') {
for my $pat ("(*PRUNE$name)",
($name ? "(*MARK$name)" : "") . "(*SKIP$name)",
"(*COMMIT$name)") {
for my $suffix ('(*FAIL)','') {
'aaaab' =~ /a+b$pat$suffix/;
::iseq $REGERROR,
($suffix ? ($name ? 'foo' : "1") : ""),
"Test $pat and \$REGERROR $suffix";
}
}
}
}
{
# Test named commits and the $REGERROR var
local $Message = '$REGERROR';
our $REGERROR;
for my $word (qw (bar baz bop)) {
$REGERROR = "";
"aaaaa$word" =~
/a+(?:bar(*COMMIT:bar)|baz(*COMMIT:baz)|bop(*COMMIT:bop))(*FAIL)/;
iseq $REGERROR, $word;
}
}
{
#Mindnumbingly simple test of (*THEN)
for ("ABC","BAX") {
ok /A (*THEN) X | B (*THEN) C/x, "Simple (*THEN) test";
}
}
{
local $Message = "Relative Recursion";
my $parens = qr/(\((?:[^()]++|(?-1))*+\))/;
local $_ = 'foo((2*3)+4-3) + bar(2*(3+4)-1*(2-3))';
my ($all, $one, $two) = ('', '', '');
ok m/foo $parens \s* \+ \s* bar $parens/x;
iseq $1, '((2*3)+4-3)';
iseq $2, '(2*(3+4)-1*(2-3))';
iseq $&, 'foo((2*3)+4-3) + bar(2*(3+4)-1*(2-3))';
iseq $&, $_;
}
{
my $spaces=" ";
local $_ = join 'bar', $spaces, $spaces;
our $count = 0;
s/(?>\s+bar)(?{$count++})//g;
iseq $_, $spaces, "SUSPEND final string";
iseq $count, 1, "Optimiser should have prevented more than one match";
}
{
# From Message-ID: <877ixs6oa6.fsf@k75.linux.bogus>
my $dow_name = "nada";
my $parser = "(\$dow_name) = \$time_string =~ /(D\x{e9}\\ " .
"C\x{e9}adaoin|D\x{e9}\\ Sathairn|\\w+|\x{100})/";
my $time_string = "D\x{e9} C\x{e9}adaoin";
eval $parser;
ok !$@, "Test Eval worked";
iseq $dow_name, $time_string, "UTF-8 trie common prefix extraction";
}
{
my $v;
($v = 'bar') =~ /(\w+)/g;
$v = 'foo';
iseq "$1", 'bar', '$1 is safe after /g - may fail due ' .
'to specialized config in pp_hot.c'
}
{
local $Message = "http://nntp.perl.org/group/perl.perl5.porters/118663";
my $qr_barR1 = qr/(bar)\g-1/;
ok "foobarbarxyz" =~ $qr_barR1;
ok "foobarbarxyz" =~ qr/foo${qr_barR1}xyz/;
ok "foobarbarxyz" =~ qr/(foo)${qr_barR1}xyz/;
ok "foobarbarxyz" =~ qr/(foo)(bar)\g{-1}xyz/;
ok "foobarbarxyz" =~ qr/(foo${qr_barR1})xyz/;
ok "foobarbarxyz" =~ qr/(foo(bar)\g{-1})xyz/;
}
{
local $Message = '$REGMARK';
our @r = ();
our ($REGMARK, $REGERROR);
ok 'foofoo' =~ /foo (*MARK:foo) (?{push @r,$REGMARK}) /x;
iseq "@r","foo";
iseq $REGMARK, "foo";
ok 'foofoo' !~ /foo (*MARK:foo) (*FAIL) /x;
ok !$REGMARK;
iseq $REGERROR, 'foo';
}
{
local $Message = '\K test';
my $x;
$x = "abc.def.ghi.jkl";
$x =~ s/.*\K\..*//;
iseq $x, "abc.def.ghi";
$x = "one two three four";
$x =~ s/o+ \Kthree//g;
iseq $x, "one two four";
$x = "abcde";
$x =~ s/(.)\K/$1/g;
iseq $x, "aabbccddee";
}
{
sub kt {
return '4' if $_[0] eq '09028623';
}
# Nested EVAL using PL_curpm (via $1 or friends)
my $re;
our $grabit = qr/ ([0-6][0-9]{7}) (??{ kt $1 }) [890] /x;
$re = qr/^ ( (??{ $grabit }) ) $ /x;
my @res = '0902862349' =~ $re;
iseq join ("-", @res), "0902862349",
'PL_curpm is set properly on nested eval';
our $qr = qr/ (o) (??{ $1 }) /x;
ok 'boob'=~/( b (??{ $qr }) b )/x && 1, "PL_curpm, nested eval";
}
{
use charnames ":full";
ok "\N{ROMAN NUMERAL ONE}" =~ /\p{Alphabetic}/, "I =~ Alphabetic";
ok "\N{ROMAN NUMERAL ONE}" =~ /\p{Uppercase}/, "I =~ Uppercase";
ok "\N{ROMAN NUMERAL ONE}" !~ /\p{Lowercase}/, "I !~ Lowercase";
ok "\N{ROMAN NUMERAL ONE}" =~ /\p{IDStart}/, "I =~ ID_Start";
ok "\N{ROMAN NUMERAL ONE}" =~ /\p{IDContinue}/, "I =~ ID_Continue";
ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Alphabetic}/, "i =~ Alphabetic";
ok "\N{SMALL ROMAN NUMERAL ONE}" !~ /\p{Uppercase}/, "i !~ Uppercase";
ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Lowercase}/, "i =~ Lowercase";
ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{IDStart}/, "i =~ ID_Start";
ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{IDContinue}/, "i =~ ID_Continue"
}
{
# requirement of Unicode Technical Standard #18, 1.7 Code Points
# cf. http://www.unicode.org/reports/tr18/#Supplementary_Characters
for my $u (0x7FF, 0x800, 0xFFFF, 0x10000) {
no warnings 'utf8'; # oops
my $c = chr $u;
my $x = sprintf '%04X', $u;
ok "A${c}B" =~ /A[\0-\x{10000}]B/, "Unicode range - $x";
}
}
{
my $res="";
if ('1' =~ /(?|(?<digit>1)|(?<digit>2))/) {
$res = "@{$- {digit}}";
}
iseq $res, "1",
"Check that (?|...) doesnt cause dupe entries in the names array";
$res = "";
if ('11' =~ /(?|(?<digit>1)|(?<digit>2))(?&digit)/) {
$res = "@{$- {digit}}";
}
iseq $res, "1", "Check that (?&..) to a buffer inside " .
"a (?|...) goes to the leftmost";
}
{
use warnings;
local $Message = "ASCII pattern that really is UTF-8";
my @w;
local $SIG {__WARN__} = sub {push @w, "@_"};
my $c = qq (\x{DF});
ok $c =~ /${c}|\x{100}/;
ok @w == 0;
}
{
local $Message = "Corruption of match results of qr// across scopes";
my $qr = qr/(fo+)(ba+r)/;
'foobar' =~ /$qr/;
iseq "$1$2", "foobar";
{
'foooooobaaaaar' =~ /$qr/;
iseq "$1$2", 'foooooobaaaaar';
}
iseq "$1$2", "foobar";
}
{
local $Message = "HORIZWS";
local $_ = "\t \r\n \n \t".chr(11)."\n";
s/\H/H/g;
s/\h/h/g;
iseq $_, "hhHHhHhhHH";
$_ = "\t \r\n \n \t" . chr (11) . "\n";
utf8::upgrade ($_);
s/\H/H/g;
s/\h/h/g;
iseq $_, "hhHHhHhhHH";
}
{
local $Message = "Various whitespace special patterns";
my @h = map {chr $_} 0x09, 0x20, 0xa0, 0x1680, 0x180e, 0x2000,
0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006,
0x2007, 0x2008, 0x2009, 0x200a, 0x202f, 0x205f,
0x3000;
my @v = map {chr $_} 0x0a, 0x0b, 0x0c, 0x0d, 0x85, 0x2028,
0x2029;
my @lb = ("\x0D\x0A", map {chr $_} 0x0A .. 0x0D, 0x85, 0x2028, 0x2029);
foreach my $t ([\@h, qr/\h/, qr/\h+/],
[\@v, qr/\v/, qr/\v+/],
[\@lb, qr/\R/, qr/\R+/],) {
my $ary = shift @$t;
foreach my $pat (@$t) {
foreach my $str (@$ary) {
ok $str =~ /($pat)/, $pat;
iseq $1, $str, $pat;
utf8::upgrade ($str);
ok $str =~ /($pat)/, "Upgraded string - $pat";
iseq $1, $str, "Upgraded string - $pat";
}
}
}
}
{
local $Message = "Check that \\xDF match properly in its various forms";
# Test that \xDF matches properly. this is pretty hacky stuff,
# but its actually needed. The malarky with '-' is to prevent
# compilation caching from playing any role in the test.
my @df = (chr (0xDF), '-', chr (0xDF));
utf8::upgrade ($df [2]);
my @strs = ('ss', 'sS', 'Ss', 'SS', chr (0xDF));
my @ss = map {("$_", "$_")} @strs;
utf8::upgrade ($ss [$_ * 2 + 1]) for 0 .. $#strs;
for my $ssi (0 .. $#ss) {
for my $dfi (0 .. $#df) {
my $pat = $df [$dfi];
my $str = $ss [$ssi];
my $utf_df = ($dfi > 1) ? 'utf8' : '';
my $utf_ss = ($ssi % 2) ? 'utf8' : '';
(my $sstr = $str) =~ s/\xDF/\\xDF/;
if ($utf_df || $utf_ss || length ($ss [$ssi]) == 1) {
my $ret = $str =~ /$pat/i;
next if $pat eq '-';
ok $ret, "\"$sstr\" =~ /\\xDF/i " .
"(str is @{[$utf_ss||'latin']}, pat is " .
"@{[$utf_df||'latin']})";
}
else {
my $ret = $str !~ /$pat/i;
next if $pat eq '-';
ok $ret, "\"$sstr\" !~ /\\xDF/i " .
"(str is @{[$utf_ss||'latin']}, pat is " .
"@{[$utf_df||'latin']})";
}
}
}
}
{
local $Message = "BBC(Bleadperl Breaks CPAN) Today: String::Multibyte";
my $re = qr/(?:[\x00-\xFF]{4})/;
my $hyp = "\0\0\0-";
my $esc = "\0\0\0\\";
my $str = "$esc$hyp$hyp$esc$esc";
my @a = ($str =~ /\G(?:\Q$esc$esc\E|\Q$esc$hyp\E|$re)/g);
iseq @a,3;
local $" = "=";
iseq "@a","$esc$hyp=$hyp=$esc$esc";
}
{
# Test for keys in %+ and %-
local $Message = 'Test keys in %+ and %-';
no warnings 'uninitialized';
my $_ = "abcdef";
/(?<foo>a)|(?<foo>b)/;
iseq ((join ",", sort keys %+), "foo");
iseq ((join ",", sort keys %-), "foo");
iseq ((join ",", sort values %+), "a");
iseq ((join ",", sort map "@$_", values %-), "a ");
/(?<bar>a)(?<bar>b)(?<quux>.)/;
iseq ((join ",", sort keys %+), "bar,quux");
iseq ((join ",", sort keys %-), "bar,quux");
iseq ((join ",", sort values %+), "a,c"); # leftmost
iseq ((join ",", sort map "@$_", values %-), "a b,c");
/(?<un>a)(?<deux>c)?/; # second buffer won't capture
iseq ((join ",", sort keys %+), "un");
iseq ((join ",", sort keys %-), "deux,un");
iseq ((join ",", sort values %+), "a");
iseq ((join ",", sort map "@$_", values %-), ",a");
}
{
# length() on captures, the numbered ones end up in Perl_magic_len
my $_ = "aoeu \xe6var ook";
/^ \w+ \s (?<eek>\S+)/x;
iseq length ($`), 0, q[length $`];
iseq length ($'), 4, q[length $'];
iseq length ($&), 9, q[length $&];
iseq length ($1), 4, q[length $1];
iseq length ($+{eek}), 4, q[length $+{eek} == length $1];
}
{
my $ok = -1;
$ok = exists ($-{x}) ? 1 : 0 if 'bar' =~ /(?<x>foo)|bar/;
iseq $ok, 1, '$-{x} exists after "bar"=~/(?<x>foo)|bar/';
iseq scalar (%+), 0, 'scalar %+ == 0 after "bar"=~/(?<x>foo)|bar/';
iseq scalar (%-), 1, 'scalar %- == 1 after "bar"=~/(?<x>foo)|bar/';
$ok = -1;
$ok = exists ($+{x}) ? 1 : 0 if 'bar' =~ /(?<x>foo)|bar/;
iseq $ok, 0, '$+{x} not exists after "bar"=~/(?<x>foo)|bar/';
iseq scalar (%+), 0, 'scalar %+ == 0 after "bar"=~/(?<x>foo)|bar/';
iseq scalar (%-), 1, 'scalar %- == 1 after "bar"=~/(?<x>foo)|bar/';
$ok = -1;
$ok = exists ($-{x}) ? 1 : 0 if 'foo' =~ /(?<x>foo)|bar/;
iseq $ok, 1, '$-{x} exists after "foo"=~/(?<x>foo)|bar/';
iseq scalar (%+), 1, 'scalar %+ == 1 after "foo"=~/(?<x>foo)|bar/';
iseq scalar (%-), 1, 'scalar %- == 1 after "foo"=~/(?<x>foo)|bar/';
$ok = -1;
$ok = exists ($+{x}) ? 1 : 0 if 'foo'=~/(?<x>foo)|bar/;
iseq $ok, 1, '$+{x} exists after "foo"=~/(?<x>foo)|bar/';
}
{
local $_;
($_ = 'abc') =~ /(abc)/g;
$_ = '123';
iseq "$1", 'abc', "/g leads to unsafe match vars: $1";
}
{
local $Message = 'Message-ID: <20070818091501.7eff4831@r2d2>';
my $str = "";
for (0 .. 5) {
my @x;
$str .= "@x"; # this should ALWAYS be the empty string
'a' =~ /(a|)/;
push @x, 1;
}
iseq length ($str), 0, "Trie scope error, string should be empty";
$str = "";
my @foo = ('a') x 5;
for (@foo) {
my @bar;
$str .= "@bar";
s/a|/push @bar, 1/e;
}
iseq length ($str), 0, "Trie scope error, string should be empty";
}
{
# more TRIE/AHOCORASICK problems with mixed utf8 / latin-1 and case folding
for my $chr (160 .. 255) {
my $chr_byte = chr($chr);
my $chr_utf8 = chr($chr); utf8::upgrade($chr_utf8);
my $rx = qr{$chr_byte|X}i;
ok($chr_utf8 =~ $rx, "utf8/latin, codepoint $chr");
}
}
{
our $a = 3; "" =~ /(??{ $a })/;
our $b = $a;
iseq $b, $a, "Copy of scalar used for postponed subexpression";
}
{
our @ctl_n = ();
our @plus = ();
our $nested_tags;
$nested_tags = qr{
<
(\w+)
(?{
push @ctl_n,$^N;
push @plus,$+;
})
>
(??{$nested_tags})*
</\s* \w+ \s*>
}x;
my $match = '<bla><blubb></blubb></bla>' =~ m/^$nested_tags$/;
ok $match, 'nested construct matches';
iseq "@ctl_n", "bla blubb", '$^N inside of (?{}) works as expected';
iseq "@plus", "bla blubb", '$+ inside of (?{}) works as expected';
}
SKIP: {
# XXX: This set of tests is essentially broken, POSIX character classes
# should not have differing definitions under Unicode.
# There are property names for that.
skip "Tests assume ASCII", 4 unless $IS_ASCII;
my @notIsPunct = grep {/[[:punct:]]/ and not /\p{IsPunct}/}
map {chr} 0x20 .. 0x7f;
iseq join ('', @notIsPunct), '$+<=>^`|~',
'[:punct:] disagress with IsPunct on Symbols';
my @isPrint = grep {not /[[:print:]]/ and /\p{IsPrint}/}
map {chr} 0 .. 0x1f, 0x7f .. 0x9f;
iseq join ('', @isPrint), "",
'IsPrint agrees with [:print:] on control characters';
my @isPunct = grep {/[[:punct:]]/ != /\p{IsPunct}/}
map {chr} 0x80 .. 0xff;
iseq join ('', @isPunct), "\xa1\xab\xb7\xbb\xbf", # ¡ « · » ¿
'IsPunct disagrees with [:punct:] outside ASCII';
my @isPunctLatin1 = eval q {
use encoding 'latin1';
grep {/[[:punct:]]/ != /\p{IsPunct}/} map {chr} 0x80 .. 0xff;
};
skip "Eval failed ($@)", 1 if $@;
skip "PERL_LEGACY_UNICODE_CHARCLASS_MAPPINGS set to 0", 1
if !$ENV{PERL_TEST_LEGACY_POSIX_CC};
iseq join ('', @isPunctLatin1), '',
'IsPunct agrees with [:punct:] with explicit Latin1';
}
#
# Keep the following tests last -- they may crash perl
#
print "# Tests that follow may crash perl\n";
{
eval '/\k/';
ok $@ =~ /\QSequence \k... not terminated in regex;\E/,
'Lone \k not allowed';
}
{
local $Message = "Substitution with lookahead (possible segv)";
$_ = "ns1ns1ns1";
s/ns(?=\d)/ns_/g;
iseq $_, "ns_1ns_1ns_1";
$_ = "ns1";
s/ns(?=\d)/ns_/;
iseq $_, "ns_1";
$_ = "123";
s/(?=\d+)|(?<=\d)/!Bang!/g;
iseq $_, "!Bang!1!Bang!2!Bang!3!Bang!";
}
{
# Earlier versions of Perl said this was fatal.
local $Message = "U+0FFFF shouldn't crash the regex engine";
no warnings 'utf8';
my $a = eval "chr(65535)";
use warnings;
my $warning_message;
local $SIG{__WARN__} = sub { $warning_message = $_[0] };
eval $a =~ /[a-z]/;
ok(1); # If it didn't crash, it worked.
}
} # End of sub run_tests
1;