mirror of
https://github.com/Perl/perl5.git
synced 2026-01-26 08:38:23 +00:00
8b1b46cdfe
That is, turn
BEGIN {
require Foo;
Foo->import(...);
}
into
use Foo ...;
(Except for a few tests that did the `require Config; Config->import`
dance without actually using `%Config` anywhere, so I just deleted the
import code.)
1202 lines
32 KiB
Perl
1202 lines
32 KiB
Perl
#!./perl -w
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BEGIN {
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chdir 't' if -d 't';
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require './test.pl';
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set_up_inc('../lib');
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require './charset_tools.pl';
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require './loc_tools.pl';
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}
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use Config;
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use constant constcow => *Config::{NAME};
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plan(tests => 281);
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$_ = 'david';
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$a = s/david/rules/r;
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ok( $_ eq 'david' && $a eq 'rules', 'non-destructive substitute' );
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$a = "david" =~ s/david/rules/r;
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ok( $a eq 'rules', 's///r with constant' );
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#[perl #127635] failed with -DPERL_NO_COW perl build (George smoker uses flag)
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#Modification of a read-only value attempted at ../t/re/subst.t line 23.
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$a = constcow =~ s/Config/David/r;
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ok( $a eq 'David::', 's///r with COW constant' );
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$a = "david" =~ s/david/"is"."great"/er;
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ok( $a eq 'isgreat', 's///er' );
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$a = "daviddavid" =~ s/david/cool/gr;
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ok( $a eq 'coolcool', 's///gr' );
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$a = 'david';
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$b = $a =~ s/david/sucks/r =~ s/sucks/rules/r;
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ok( $a eq 'david' && $b eq 'rules', 'chained s///r' );
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$a = 'david';
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$b = $a =~ s/xxx/sucks/r;
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ok( $a eq 'david' && $b eq 'david', 'non matching s///r' );
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$a = 'david';
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for (0..2) {
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ok( 'david' =~ s/$a/rules/ro eq 'rules', 's///ro '.$_ );
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}
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$a = 'david';
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eval '$b = $a !~ s/david/is great/r';
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like( $@, qr{Using !~ with s///r doesn't make sense}, 's///r !~ operator gives error' );
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{
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no warnings 'uninitialized';
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$a = undef;
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$b = $a =~ s/left/right/r;
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ok ( !defined $a && !defined $b, 's///r with undef input' );
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use warnings;
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warning_like(sub { $b = $a =~ s/left/right/r },
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qr/^Use of uninitialized value/,
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's///r Uninitialized warning');
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$a = 'david';
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warning_like(sub {eval 's/david/sucks/r; 1'},
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qr/^Useless use of non-destructive substitution/,
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's///r void context warning');
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}
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$a = '';
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$b = $a =~ s/david/rules/r;
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ok( $a eq '' && $b eq '', 's///r on empty string' );
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$_ = 'david';
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@b = s/david/rules/r;
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ok( $_ eq 'david' && $b[0] eq 'rules', 's///r in list context' );
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# Magic value and s///r
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require Tie::Scalar;
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tie $m, 'Tie::StdScalar'; # makes $a magical
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$m = "david";
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$b = $m =~ s/david/rules/r;
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ok( $m eq 'david' && $b eq 'rules', 's///r with magic input' );
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$m = $b =~ s/rules/david/r;
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ok( defined tied($m), 's///r magic isn\'t lost' );
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$b = $m =~ s/xxx/yyy/r;
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ok( ! defined tied($b), 's///r magic isn\'t contagious' );
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my $ref = \("aaa" =~ s/aaa/bbb/r);
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refcount_is $ref, 1, 's///r does not leak';
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$ref = \("aaa" =~ s/aaa/bbb/rg);
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refcount_is $ref, 1, 's///rg does not leak';
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$x = 'foo';
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$_ = "x";
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s/x/\$x/;
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ok( $_ eq '$x', ":$_: eq :\$x:" );
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$_ = "x";
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s/x/$x/;
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ok( $_ eq 'foo', ":$_: eq :foo:" );
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$_ = "x";
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s/x/\$x $x/;
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ok( $_ eq '$x foo', ":$_: eq :\$x foo:" );
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$b = 'cd';
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($a = 'abcdef') =~ s<(b${b}e)>'\n$1';
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ok( $1 eq 'bcde' && $a eq 'a\n$1f', ":$1: eq :bcde: ; :$a: eq :a\\n\$1f:" );
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$a = 'abacada';
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ok( ($a =~ s/a/x/g) == 4 && $a eq 'xbxcxdx' );
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ok( ($a =~ s/a/y/g) == 0 && $a eq 'xbxcxdx' );
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ok( ($a =~ s/b/y/g) == 1 && $a eq 'xyxcxdx' );
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$_ = 'ABACADA';
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ok( /a/i && s///gi && $_ eq 'BCD' );
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$_ = '\\' x 4;
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ok( length($_) == 4 );
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$snum = s/\\/\\\\/g;
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ok( $_ eq '\\' x 8 && $snum == 4 );
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$_ = '\/' x 4;
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ok( length($_) == 8 );
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$snum = s/\//\/\//g;
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ok( $_ eq '\\//' x 4 && $snum == 4 );
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ok( length($_) == 12 );
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$_ = 'aaaXXXXbbb';
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s/^a//;
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ok( $_ eq 'aaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/a//;
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ok( $_ eq 'aaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/^a/b/;
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ok( $_ eq 'baaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/a/b/;
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ok( $_ eq 'baaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/aa//;
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ok( $_ eq 'aXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/aa/b/;
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ok( $_ eq 'baXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/b$//;
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ok( $_ eq 'aaaXXXXbb' );
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$_ = 'aaaXXXXbbb';
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s/b//;
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ok( $_ eq 'aaaXXXXbb' );
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$_ = 'aaaXXXXbbb';
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s/bb//;
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ok( $_ eq 'aaaXXXXb' );
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$_ = 'aaaXXXXbbb';
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s/aX/y/;
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ok( $_ eq 'aayXXXbbb' );
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$_ = 'aaaXXXXbbb';
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s/Xb/z/;
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ok( $_ eq 'aaaXXXzbb' );
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$_ = 'aaaXXXXbbb';
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s/aaX.*Xbb//;
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ok( $_ eq 'ab' );
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$_ = 'aaaXXXXbbb';
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s/bb/x/;
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ok( $_ eq 'aaaXXXXxb' );
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# now for some unoptimized versions of the same.
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/^a//;
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ok( $_ eq 'aaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/a//;
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ok( $_ eq 'aaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/^a/b/;
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ok( $_ eq 'baaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/a/b/;
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ok( $_ eq 'baaXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/aa//;
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ok( $_ eq 'aXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/aa/b/;
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ok( $_ eq 'baXXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/b$//;
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ok( $_ eq 'aaaXXXXbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/b//;
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ok( $_ eq 'aaaXXXXbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/bb//;
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ok( $_ eq 'aaaXXXXb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/aX/y/;
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ok( $_ eq 'aayXXXbbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/Xb/z/;
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ok( $_ eq 'aaaXXXzbb' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/aaX.*Xbb//;
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ok( $_ eq 'ab' );
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$_ = 'aaaXXXXbbb';
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$x ne $x || s/bb/x/;
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ok( $_ eq 'aaaXXXXxb' );
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$_ = 'abc123xyz';
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s/(\d+)/$1*2/e; # yields 'abc246xyz'
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ok( $_ eq 'abc246xyz' );
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s/(\d+)/sprintf("%5d",$1)/e; # yields 'abc 246xyz'
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ok( $_ eq 'abc 246xyz' );
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s/(\w)/$1 x 2/eg; # yields 'aabbcc 224466xxyyzz'
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ok( $_ eq 'aabbcc 224466xxyyzz' );
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$_ = "aaaaa";
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ok( y/a/b/ == 5 );
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ok( y/a/b/ == 0 );
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ok( y/b// == 5 );
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ok( y/b/c/s == 5 );
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ok( y/c// == 1 );
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ok( y/c//d == 1 );
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ok( $_ eq "" );
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$_ = "Now is the %#*! time for all good men...";
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ok( ($x=(y/a-zA-Z //cd)) == 7 );
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ok( y/ / /s == 8 );
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$_ = 'abcdefghijklmnopqrstuvwxyz0123456789';
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tr/a-z/A-Z/;
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ok( $_ eq 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' );
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# same as tr/A-Z/a-z/;
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if (defined $Config{ebcdic} && $Config{ebcdic} eq 'define') { # EBCDIC.
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no utf8;
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y[\301-\351][\201-\251];
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} else { # Ye Olde ASCII. Or something like it.
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y[\101-\132][\141-\172];
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}
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ok( $_ eq 'abcdefghijklmnopqrstuvwxyz0123456789' );
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SKIP: {
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skip("ASCII-centric test",1) unless (ord("+") == ord(",") - 1
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&& ord(",") == ord("-") - 1
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&& ord("a") == ord("b") - 1
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&& ord("b") == ord("c") - 1);
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$_ = '+,-';
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tr/+--/a-c/;
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ok( $_ eq 'abc' );
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}
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$_ = '+,-';
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tr/+\--/a\/c/;
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ok( $_ eq 'a,/' );
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$_ = '+,-';
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tr/-+,/ab\-/;
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ok( $_ eq 'b-a' );
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# test recursive substitutions
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# code based on the recursive expansion of makefile variables
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my %MK = (
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AAAAA => '$(B)', B=>'$(C)', C => 'D', # long->short
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E => '$(F)', F=>'p $(G) q', G => 'HHHHH', # short->long
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DIR => '$(UNDEFINEDNAME)/xxx',
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);
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sub var {
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my($var,$level) = @_;
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return "\$($var)" unless exists $MK{$var};
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return exp_vars($MK{$var}, $level+1); # can recurse
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}
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sub exp_vars {
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my($str,$level) = @_;
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$str =~ s/\$\((\w+)\)/var($1, $level+1)/ge; # can recurse
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#warn "exp_vars $level = '$str'\n";
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$str;
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}
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ok( exp_vars('$(AAAAA)',0) eq 'D' );
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ok( exp_vars('$(E)',0) eq 'p HHHHH q' );
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ok( exp_vars('$(DIR)',0) eq '$(UNDEFINEDNAME)/xxx' );
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ok( exp_vars('foo $(DIR)/yyy bar',0) eq 'foo $(UNDEFINEDNAME)/xxx/yyy bar' );
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$_ = "abcd";
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s/(..)/$x = $1, m#.#/eg;
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ok( $x eq "cd", 'a match nested in the RHS of a substitution' );
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# Subst and lookbehind
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$_="ccccc";
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$snum = s/(?<!x)c/x/g;
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ok( $_ eq "xxxxx" && $snum == 5 );
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$_="ccccc";
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$snum = s/(?<!x)(c)/x/g;
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ok( $_ eq "xxxxx" && $snum == 5 );
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$_="foobbarfoobbar";
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$snum = s/(?<!r)foobbar/foobar/g;
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ok( $_ eq "foobarfoobbar" && $snum == 1 );
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$_="foobbarfoobbar";
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$snum = s/(?<!ar)(foobbar)/foobar/g;
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ok( $_ eq "foobarfoobbar" && $snum == 1 );
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$_="foobbarfoobbar";
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$snum = s/(?<!ar)foobbar/foobar/g;
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ok( $_ eq "foobarfoobbar" && $snum == 1 );
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eval 's{foo} # this is a comment, not a delimiter
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{bar};';
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ok( ! @?, 'parsing of split subst with comment' );
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$snum = eval '$_="exactly"; s sxsys;m 3(yactl)3;$1';
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is( $snum, 'yactl', 'alpha delimiters are allowed' );
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$_="baacbaa";
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$snum = tr/a/b/s;
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ok( $_ eq "bbcbb" && $snum == 4,
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'check if squashing works at the end of string' );
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$_ = "ab";
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ok( s/a/b/ == 1 );
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$_ = <<'EOL';
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$url = new URI::URL "http://www/"; die if $url eq "xXx";
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EOL
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$^R = 'junk';
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$foo = ' $@%#lowercase $@%# lowercase UPPERCASE$@%#UPPERCASE' .
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' $@%#lowercase$@%#lowercase$@%# lowercase lowercase $@%#lowercase' .
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' lowercase $@%#MiXeD$@%# ';
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$snum =
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s{ \d+ \b [,.;]? (?{ 'digits' })
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[a-z]+ \b [,.;]? (?{ 'lowercase' })
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[A-Z]+ \b [,.;]? (?{ 'UPPERCASE' })
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[A-Z] [a-z]+ \b [,.;]? (?{ 'Capitalized' })
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[A-Za-z]+ \b [,.;]? (?{ 'MiXeD' })
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[A-Za-z0-9]+ \b [,.;]? (?{ 'alphanumeric' })
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\s+ (?{ ' ' })
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[^A-Za-z0-9\s]+ (?{ '$@%#' })
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}{$^R}xg;
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ok( $_ eq $foo );
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ok( $snum == 31 );
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$_ = 'a' x 6;
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$snum = s/a(?{})//g;
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ok( $_ eq '' && $snum == 6 );
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$_ = 'x' x 20;
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$snum = s/(\d*|x)/<$1>/g;
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$foo = '<>' . ('<x><>' x 20) ;
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ok( $_ eq $foo && $snum == 41 );
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$t = 'aaaaaaaaa';
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$_ = $t;
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pos = 6;
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$snum = s/\Ga/xx/g;
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ok( $_ eq 'aaaaaaxxxxxx' && $snum == 3 );
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$_ = $t;
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pos = 6;
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$snum = s/\Ga/x/g;
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ok( $_ eq 'aaaaaaxxx' && $snum == 3 );
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$_ = $t;
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pos = 6;
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s/\Ga/xx/;
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ok( $_ eq 'aaaaaaxxaa' );
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$_ = $t;
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pos = 6;
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s/\Ga/x/;
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ok( $_ eq 'aaaaaaxaa' );
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$_ = $t;
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$snum = s/\Ga/xx/g;
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ok( $_ eq 'xxxxxxxxxxxxxxxxxx' && $snum == 9 );
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$_ = $t;
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$snum = s/\Ga/x/g;
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ok( $_ eq 'xxxxxxxxx' && $snum == 9 );
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$_ = $t;
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s/\Ga/xx/;
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ok( $_ eq 'xxaaaaaaaa' );
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$_ = $t;
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s/\Ga/x/;
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ok( $_ eq 'xaaaaaaaa' );
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$_ = 'aaaa';
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$snum = s/\ba/./g;
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ok( $_ eq '.aaa' && $snum == 1 );
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eval q% s/a/"b"}/e %;
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ok( $@ =~ /Bad evalled substitution/ );
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eval q% ($_ = "x") =~ s/(.)/"$1 "/e %;
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ok( $_ eq "x " and !length $@ );
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$x = $x = 'interp';
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eval q% ($_ = "x") =~ s/x(($x)*)/"$1"/e %;
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ok( $_ eq '' and !length $@ );
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$_ = "C:/";
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ok( !s/^([a-z]:)/\u$1/ );
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$_ = "Charles Bronson";
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$snum = s/\B\w//g;
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ok( $_ eq "C B" && $snum == 12 );
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{
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use utf8;
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my $s = "H\303\266he";
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my $l = my $r = $s;
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$l =~ s/[^\w]//g;
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$r =~ s/[^\w\.]//g;
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is($l, $r, "use utf8 \\w");
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}
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my $pv1 = my $pv2 = "Andreas J. K\303\266nig";
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$pv1 =~ s/A/\x{100}/;
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substr($pv2,0,1) = "\x{100}";
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is($pv1, $pv2);
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{
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{
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# Gregor Chrupala <gregor.chrupala@star-group.net>
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use utf8;
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$a = 'España';
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$a =~ s/ñ/ñ/;
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like($a, qr/ñ/, "use utf8 RHS");
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}
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{
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use utf8;
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$a = 'España España';
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$a =~ s/ñ/ñ/;
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like($a, qr/ñ/, "use utf8 LHS");
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}
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{
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use utf8;
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$a = 'España';
|
|
$a =~ s/ñ/ñ/;
|
|
like($a, qr/ñ/, "use utf8 LHS and RHS");
|
|
}
|
|
}
|
|
|
|
{
|
|
# SADAHIRO Tomoyuki <bqw10602@nifty.com>
|
|
|
|
$a = "\x{100}\x{101}";
|
|
$a =~ s/\x{101}/\xFF/;
|
|
like($a, qr/\xFF/);
|
|
is(length($a), 2, "SADAHIRO utf8 s///");
|
|
|
|
$a = "\x{100}\x{101}";
|
|
$a =~ s/\x{101}/"\xFF"/e;
|
|
like($a, qr/\xFF/);
|
|
is(length($a), 2);
|
|
|
|
$a = "\x{100}\x{101}";
|
|
$a =~ s/\x{101}/\xFF\xFF\xFF/;
|
|
like($a, qr/\xFF\xFF\xFF/);
|
|
is(length($a), 4);
|
|
|
|
$a = "\x{100}\x{101}";
|
|
$a =~ s/\x{101}/"\xFF\xFF\xFF"/e;
|
|
like($a, qr/\xFF\xFF\xFF/);
|
|
is(length($a), 4);
|
|
|
|
$a = "\xFF\x{101}";
|
|
$a =~ s/\xFF/\x{100}/;
|
|
like($a, qr/\x{100}/);
|
|
is(length($a), 2);
|
|
|
|
$a = "\xFF\x{101}";
|
|
$a =~ s/\xFF/"\x{100}"/e;
|
|
like($a, qr/\x{100}/);
|
|
is(length($a), 2);
|
|
|
|
$a = "\xFF";
|
|
$a =~ s/\xFF/\x{100}/;
|
|
like($a, qr/\x{100}/);
|
|
is(length($a), 1);
|
|
|
|
$a = "\xFF";
|
|
$a =~ s/\xFF/"\x{100}"/e;
|
|
like($a, qr/\x{100}/);
|
|
is(length($a), 1);
|
|
}
|
|
|
|
{
|
|
# subst with mixed utf8/non-utf8 type
|
|
my($ua, $ub, $uc, $ud) = ("\x{101}", "\x{102}", "\x{103}", "\x{104}");
|
|
my($na, $nb) = ("\x{ff}", "\x{fe}");
|
|
my $a = "$ua--$ub";
|
|
my $b;
|
|
($b = $a) =~ s/--/$na/;
|
|
is($b, "$ua$na$ub", "s///: replace non-utf8 into utf8");
|
|
($b = $a) =~ s/--/--$na--/;
|
|
is($b, "$ua--$na--$ub", "s///: replace long non-utf8 into utf8");
|
|
($b = $a) =~ s/--/$uc/;
|
|
is($b, "$ua$uc$ub", "s///: replace utf8 into utf8");
|
|
($b = $a) =~ s/--/--$uc--/;
|
|
is($b, "$ua--$uc--$ub", "s///: replace long utf8 into utf8");
|
|
$a = "$na--$nb";
|
|
($b = $a) =~ s/--/$ua/;
|
|
is($b, "$na$ua$nb", "s///: replace utf8 into non-utf8");
|
|
($b = $a) =~ s/--/--$ua--/;
|
|
is($b, "$na--$ua--$nb", "s///: replace long utf8 into non-utf8");
|
|
|
|
# now with utf8 pattern
|
|
$a = "$ua--$ub";
|
|
($b = $a) =~ s/-($ud)?-/$na/;
|
|
is($b, "$ua$na$ub", "s///: replace non-utf8 into utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/--$na--/;
|
|
is($b, "$ua--$na--$ub", "s///: replace long non-utf8 into utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/$uc/;
|
|
is($b, "$ua$uc$ub", "s///: replace utf8 into utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/--$uc--/;
|
|
is($b, "$ua--$uc--$ub", "s///: replace long utf8 into utf8 (utf8 pattern)");
|
|
$a = "$na--$nb";
|
|
($b = $a) =~ s/-($ud)?-/$ua/;
|
|
is($b, "$na$ua$nb", "s///: replace utf8 into non-utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/--$ua--/;
|
|
is($b, "$na--$ua--$nb", "s///: replace long utf8 into non-utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/$na/;
|
|
is($b, "$na$na$nb", "s///: replace non-utf8 into non-utf8 (utf8 pattern)");
|
|
($b = $a) =~ s/-($ud)?-/--$na--/;
|
|
is($b, "$na--$na--$nb", "s///: replace long non-utf8 into non-utf8 (utf8 pattern)");
|
|
}
|
|
|
|
$_ = 'aaaa';
|
|
$r = 'x';
|
|
$s = s/a(?{})/$r/g;
|
|
is("<$_> <$s>", "<xxxx> <4>", "[perl #7806]");
|
|
|
|
$_ = 'aaaa';
|
|
$s = s/a(?{})//g;
|
|
is("<$_> <$s>", "<> <4>", "[perl #7806]");
|
|
|
|
# [perl #19048] Coredump in silly replacement
|
|
{
|
|
local $^W = 0;
|
|
$_="abcdef\n";
|
|
s!.!!eg;
|
|
is($_, "\n", "[perl #19048]");
|
|
}
|
|
|
|
# [perl #17757] interaction between saw_ampersand and study
|
|
{
|
|
my $f = eval q{ $& };
|
|
$f = "xx";
|
|
study $f;
|
|
$f =~ s/x/y/g;
|
|
is($f, "yy", "[perl #17757]");
|
|
}
|
|
|
|
# [perl #20684] returned a zero count
|
|
$_ = "1111";
|
|
is(s/(??{1})/2/eg, 4, '#20684 s/// with (??{..}) inside');
|
|
|
|
# [perl #20682] @- not visible in replacement
|
|
$_ = "123";
|
|
/(2)/; # seed @- with something else
|
|
s/(1)(2)(3)/$#- (@-)/;
|
|
is($_, "3 (0 0 1 2)", '#20682 @- not visible in replacement');
|
|
|
|
# [perl #20682] $^N not visible in replacement
|
|
$_ = "abc";
|
|
/(a)/; s/(b)|(c)/-$^N/g;
|
|
is($_,'a-b-c','#20682 $^N not visible in replacement');
|
|
|
|
# [perl #22351] perl bug with 'e' substitution modifier
|
|
my $name = "chris";
|
|
{
|
|
no warnings 'uninitialized';
|
|
$name =~ s/hr//e;
|
|
}
|
|
is($name, "cis", q[#22351 bug with 'e' substitution modifier]);
|
|
|
|
|
|
# [perl #34171] $1 didn't honour 'use bytes' in s//e
|
|
{
|
|
my $s="\x{100}";
|
|
my $x;
|
|
{
|
|
use bytes;
|
|
$s=~ s/(..)/$x=$1/e
|
|
}
|
|
is(length($x), 2, '[perl #34171]');
|
|
}
|
|
|
|
|
|
{ # [perl #27940] perlbug: [\x00-\x1f] works, [\c@-\c_] does not
|
|
my $c;
|
|
|
|
($c = "\x20\c@\x30\cA\x40\cZ\x50\c_\x60") =~ s/[\c@-\c_]//g;
|
|
is($c, "\x20\x30\x40\x50\x60", "s/[\\c\@-\\c_]//g");
|
|
|
|
($c = "\x20\x00\x30\x01\x40\x1A\x50\x1F\x60") =~ s/[\x00-\x1f]//g;
|
|
is($c, "\x20\x30\x40\x50\x60", "s/[\\x00-\\x1f]//g");
|
|
}
|
|
{
|
|
$_ = "xy";
|
|
no warnings 'uninitialized';
|
|
/(((((((((x)))))))))(z)/; # clear $10
|
|
s/(((((((((x)))))))))(y)/${10}/;
|
|
is($_,"y","RT#6006: \$_ eq '$_'");
|
|
$_ = "xr";
|
|
s/(((((((((x)))))))))(r)/fooba${10}/;
|
|
is($_,"foobar","RT#6006: \$_ eq '$_'");
|
|
}
|
|
{
|
|
my $want=("\n" x 11).("B\n" x 11)."B";
|
|
$_="B";
|
|
our $i;
|
|
for $i(1..11){
|
|
s/^.*$/$&/gm;
|
|
$_="\n$_\n$&";
|
|
}
|
|
is($want,$_,"RT#17542");
|
|
}
|
|
|
|
{
|
|
my @tests = ('ABC', "\xA3\xA4\xA5", "\x{410}\x{411}\x{412}");
|
|
foreach (@tests) {
|
|
my $id = ord $_;
|
|
s/./pos/ge;
|
|
is($_, "012", "RT#52104: $id");
|
|
}
|
|
}
|
|
|
|
fresh_perl_is( '$_=q(foo);s/(.)\G//g;print' => 'foo', {},
|
|
'[perl #69056] positive GPOS regex segfault' );
|
|
fresh_perl_is( '$_="abcdef"; s/bc|(.)\G(.)/$1 ? "[$1-$2]" : "XX"/ge; print' => 'aXXdef', {},
|
|
'positive GPOS regex substitution failure (#69056, #114884)' );
|
|
fresh_perl_is( '$_="abcdefg123456"; s/(?<=...\G)?(\d)/($1)/; print' => 'abcdefg(1)23456', {},
|
|
'positive GPOS lookbehind regex substitution failure #114884' );
|
|
|
|
# s/..\G//g should stop after the first iteration, rather than working its
|
|
# way backwards, or looping infinitely, or SEGVing (for example)
|
|
{
|
|
my ($s, $count);
|
|
|
|
# use a function to disable constant folding
|
|
my $f = sub { substr("789", 0, $_[0]) };
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/7/g;
|
|
is($count, 1, "..\\G count (short)");
|
|
is($s, "12756", "..\\G s (short)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/78/g;
|
|
is($count, 1, "..\\G count (equal)");
|
|
is($s, "127856", "..\\G s (equal)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/789/g;
|
|
is($count, 1, "..\\G count (long)");
|
|
is($s, "1278956", "..\\G s (long)");
|
|
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/$f->(1)/eg;
|
|
is($count, 1, "..\\G count (short code)");
|
|
is($s, "12756", "..\\G s (short code)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/$f->(2)/eg;
|
|
is($count, 1, "..\\G count (equal code)");
|
|
is($s, "127856", "..\\G s (equal code)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d\G/$f->(3)/eg;
|
|
is($count, 1, "..\\G count (long code)");
|
|
is($s, "1278956", "..\\G s (long code)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/7/g;
|
|
is($count, 1, "..\\G count (lookahead short)");
|
|
is($s, "17456", "..\\G s (lookahead short)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/78/g;
|
|
is($count, 1, "..\\G count (lookahead equal)");
|
|
is($s, "178456", "..\\G s (lookahead equal)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/789/g;
|
|
is($count, 1, "..\\G count (lookahead long)");
|
|
is($s, "1789456", "..\\G s (lookahead long)");
|
|
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/$f->(1)/eg;
|
|
is($count, 1, "..\\G count (lookahead short code)");
|
|
is($s, "17456", "..\\G s (lookahead short code)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/$f->(2)/eg;
|
|
is($count, 1, "..\\G count (lookahead equal code)");
|
|
is($s, "178456", "..\\G s (lookahead equal code)");
|
|
|
|
$s = '123456';
|
|
pos($s) = 4;
|
|
$count = $s =~ s/\d\d(?=\d\G)/$f->(3)/eg;
|
|
is($count, 1, "..\\G count (lookahead long code)");
|
|
is($s, "1789456", "..\\G s (lookahead long code)");
|
|
}
|
|
|
|
|
|
# [perl #71470] $var =~ s/$qr//e calling get-magic on $_ as well as $var
|
|
{
|
|
local *_;
|
|
my $scratch;
|
|
sub qrBug::TIESCALAR { bless[pop], 'qrBug' }
|
|
sub qrBug::FETCH { $scratch .= "[fetching $_[0][0]]"; 'prew' }
|
|
sub qrBug::STORE{}
|
|
tie my $kror, qrBug => '$kror';
|
|
tie $_, qrBug => '$_';
|
|
my $qr = qr/(?:)/;
|
|
$kror =~ s/$qr/""/e;
|
|
is(
|
|
$scratch, '[fetching $kror]',
|
|
'bug: $var =~ s/$qr//e calling get-magic on $_ as well as $var',
|
|
);
|
|
}
|
|
|
|
{ # Bug #41530; replacing non-utf8 with a utf8 causes problems
|
|
my $string = "a\x{a0}a";
|
|
my $sub_string = $string;
|
|
ok(! utf8::is_utf8($sub_string), "Verify that string isn't initially utf8");
|
|
$sub_string =~ s/a/\x{100}/g;
|
|
ok(utf8::is_utf8($sub_string),
|
|
'Verify replace of non-utf8 with utf8 upgrades to utf8');
|
|
is($sub_string, "\x{100}\x{A0}\x{100}",
|
|
'Verify #41530 fixed: replace of non-utf8 with utf8');
|
|
|
|
my $non_sub_string = $string;
|
|
ok(! utf8::is_utf8($non_sub_string),
|
|
"Verify that string isn't initially utf8");
|
|
$non_sub_string =~ s/b/\x{100}/g;
|
|
ok(! utf8::is_utf8($non_sub_string),
|
|
"Verify that failed substitute doesn't change string's utf8ness");
|
|
is($non_sub_string, $string,
|
|
"Verify that failed substitute doesn't change string");
|
|
}
|
|
|
|
{ # Verify largish octal in replacement pattern
|
|
|
|
my $string = "a";
|
|
$string =~ s/a/\400/;
|
|
is($string, chr 0x100, "Verify that handles s/foo/\\400/");
|
|
$string =~ s/./\600/;
|
|
is($string, chr 0x180, "Verify that handles s/foo/\\600/");
|
|
$string =~ s/./\777/;
|
|
is($string, chr 0x1FF, "Verify that handles s/foo/\\777/");
|
|
}
|
|
|
|
# Scoping of s//the RHS/ when there is no /e
|
|
# Tests based on [perl #19078]
|
|
{
|
|
local *_;
|
|
my $output = ''; my %a;
|
|
no warnings 'uninitialized';
|
|
|
|
$_="CCCGGG";
|
|
s!.!<@a{$output .= ("$&"),/[$&]/g}>!g;
|
|
$output .= $_;
|
|
is(
|
|
$output, "CCCGGG< >< >< >< >< >< >",
|
|
's/// sets PL_curpm for each iteration even when the RHS has set it'
|
|
);
|
|
|
|
s/C/$a{m\G\}/;
|
|
is(
|
|
"$&", G =>
|
|
'Match vars reflect the last match after s/pat/$a{m|pat|}/ without /e'
|
|
);
|
|
}
|
|
|
|
{
|
|
# a tied scalar that returned a plain string, got messed up
|
|
# when substituted with a UTF8 replacement string, due to
|
|
# magic getting called multiple times, and pointers now pointing
|
|
# to stale/freed strings
|
|
# The original fix for this caused infinite loops for non- or cow-
|
|
# strings, so we test those, too.
|
|
package FOO;
|
|
my $fc;
|
|
sub TIESCALAR { bless [ "abcdefgh" ] }
|
|
sub FETCH { $fc++; $_[0][0] }
|
|
sub STORE { $_[0][0] = $_[1] }
|
|
|
|
my $s;
|
|
tie $s, 'FOO';
|
|
$s =~ s/..../\x{101}/;
|
|
::is($fc, 1, "tied UTF8 stuff FETCH count");
|
|
::is("$s", "\x{101}efgh", "tied UTF8 stuff");
|
|
|
|
::watchdog(300);
|
|
$fc = 0;
|
|
$s = *foo;
|
|
$s =~ s/..../\x{101}/;
|
|
::is($fc, 1, '$tied_glob =~ s/non-utf8/utf8/ fetch count');
|
|
::is("$s", "\x{101}::foo", '$tied_glob =~ s/non-utf8/utf8/ result');
|
|
$fc = 0;
|
|
$s = *foo;
|
|
$s =~ s/(....)/\x{101}/g;
|
|
::is($fc, 1, '$tied_glob =~ s/(non-utf8)/utf8/g fetch count');
|
|
::is("$s", "\x{101}\x{101}o",
|
|
'$tied_glob =~ s/(non-utf8)/utf8/g result');
|
|
$fc = 0;
|
|
$s = "\xff\xff\xff\xff\xff";
|
|
$s =~ s/..../\x{101}/;
|
|
::is($fc, 1, '$tied_latin1 =~ s/non-utf8/utf8/ fetch count');
|
|
::is("$s", "\x{101}\xff", '$tied_latin1 =~ s/non-utf8/utf8/ result');
|
|
$fc = 0;
|
|
{ package package_name; tied($s)->[0] = __PACKAGE__ };
|
|
$s =~ s/..../\x{101}/;
|
|
::is($fc, 1, '$tied_cow =~ s/non-utf8/utf8/ fetch count');
|
|
::is("$s", "\x{101}age_name", '$tied_cow =~ s/non-utf8/utf8/ result');
|
|
$fc = 0;
|
|
$s = \1;
|
|
$s =~ s/..../\x{101}/;
|
|
::is($fc, 1, '$tied_ref =~ s/non-utf8/utf8/ fetch count');
|
|
::like("$s", qr/^\x{101}AR\(0x.*\)\z/,
|
|
'$tied_ref =~ s/non-utf8/utf8/ result');
|
|
}
|
|
|
|
# RT #97954
|
|
{
|
|
my $count;
|
|
|
|
sub bam::DESTROY {
|
|
--$count;
|
|
}
|
|
|
|
my $z_zapp = bless [], 'bam';
|
|
++$count;
|
|
|
|
is($count, 1, '1 object');
|
|
is($z_zapp =~ s/.*/R/r, 'R', 'substitution happens');
|
|
is(ref $z_zapp, 'bam', 'still 1 object');
|
|
is($count, 1, 'still 1 object');
|
|
undef $z_zapp;
|
|
is($count, 0, 'now 0 objects');
|
|
|
|
$z_zapp = bless [], 'bam';
|
|
++$count;
|
|
|
|
is($count, 1, '1 object');
|
|
like($z_zapp =~ s/./R/rg, qr/\AR{8,}\z/, 'substitution happens');
|
|
is(ref $z_zapp, 'bam', 'still 1 object');
|
|
is($count, 1, 'still 1 object');
|
|
undef $z_zapp;
|
|
is($count, 0, 'now 0 objects');
|
|
}
|
|
|
|
is(*bam =~ s/\*//r, 'main::bam', 'Can s///r a tyepglob');
|
|
is(*bam =~ s/\*//rg, 'main::bam', 'Can s///rg a tyepglob');
|
|
|
|
{
|
|
sub cowBug::TIESCALAR { bless[], 'cowBug' }
|
|
sub cowBug::FETCH { __PACKAGE__ }
|
|
sub cowBug::STORE{}
|
|
tie my $kror, cowBug =>;
|
|
$kror =~ s/(?:)/""/e;
|
|
}
|
|
pass("s/// on tied var returning a cow");
|
|
|
|
# a test for 6502e08109cd003b2cdf39bc94ef35e52203240b
|
|
# previously this would segfault
|
|
|
|
{
|
|
my $s = "abc";
|
|
eval { $s =~ s/(.)/die/e; };
|
|
like($@, qr/Died at/, "s//die/e");
|
|
}
|
|
|
|
|
|
# Test problems with constant replacement optimisation
|
|
# [perl #26986] logop in repl resulting in incorrect optimisation
|
|
"g" =~ /(.)/;
|
|
@l{'a'..'z'} = 'A'..':';
|
|
$_ = "hello";
|
|
{ s/(.)/$l{my $a||$1}/g }
|
|
is $_, "HELLO",
|
|
'logop in s/// repl does not result in "constant" repl optimisation';
|
|
# Aliases to match vars
|
|
"g" =~ /(.)/;
|
|
$_ = "hello";
|
|
{
|
|
local *a = *1;
|
|
s/(.)\1/$a/g;
|
|
}
|
|
is $_, 'helo', 's/pat/$alias_to_match_var/';
|
|
"g" =~ /(.)/;
|
|
$_ = "hello";
|
|
{
|
|
local *a = *1;
|
|
s/e(.)\1/a$a/g;
|
|
}
|
|
is $_, 'halo', 's/pat/foo$alias_to_match_var/';
|
|
# Last-used pattern containing re-evals that modify "constant" rhs
|
|
{
|
|
local *a;
|
|
$x = "hello";
|
|
$x =~ /(?{*a = \"a"})./;
|
|
undef *a;
|
|
$x =~ s//$a/g;
|
|
is $x, 'aaaaa',
|
|
'last-used pattern disables constant repl optimisation';
|
|
}
|
|
|
|
|
|
$_ = "\xc4\x80";
|
|
$a = "";
|
|
utf8::upgrade $a;
|
|
$_ =~ s/$/$a/;
|
|
is $_, "\xc4\x80", "empty utf8 repl does not result in mangled utf8";
|
|
|
|
$@ = "\x{30cb}eval 18";
|
|
$@ =~ s/eval \d+/eval 11/;
|
|
is $@, "\x{30cb}eval 11",
|
|
'loading utf8 tables does not interfere with matches against $@';
|
|
|
|
$reftobe = 3;
|
|
$reftobe =~ s/3/$reftobe=\ 3;4/e;
|
|
is $reftobe, '4', 'clobbering target with ref in s//.../e';
|
|
$locker{key} = 3;
|
|
SKIP:{
|
|
skip "no Hash::Util under miniperl", 2 if is_miniperl;
|
|
require Hash::Util;
|
|
eval {
|
|
$locker{key} =~ s/3/
|
|
$locker{key} = 3;
|
|
&Hash::Util::lock_hash(\%locker);4
|
|
/e;
|
|
};
|
|
is $locker{key}, '3', 'locking target in $hash{key} =~ s//.../e';
|
|
like $@, qr/^Modification of a read-only value/, 'err msg' . ($@ ? ": $@" : "");
|
|
}
|
|
delete $::{does_not_exist}; # just in case
|
|
eval { no warnings; $::{does_not_exist}=~s/(?:)/*{"does_not_exist"}; 4/e };
|
|
like $@, qr/^Modification of a read-only value/,
|
|
'vivifying stash elem in $that::{elem} =~ s//.../e';
|
|
|
|
# COWs should not be exempt from read-only checks. s/// croaks on read-
|
|
# only values even when the pattern does not match, but it was not doing so
|
|
# for COWs.
|
|
eval { for (__PACKAGE__) { s/b/c/; } };
|
|
like $@, qr/^Modification of a read-only value/,
|
|
'read-only COW =~ s/does not match// should croak';
|
|
|
|
{
|
|
my $a_acute = chr utf8::unicode_to_native(0xE1); # LATIN SMALL LETTER A WITH ACUTE
|
|
my $egrave = chr utf8::unicode_to_native(0xE8); # LATIN SMALL LETTER E WITH GRAVE
|
|
my $u_umlaut = chr utf8::unicode_to_native(0xFC); # LATIN SMALL LETTER U WITH DIAERESIS
|
|
my $division = chr utf8::unicode_to_native(0xF7); # DIVISION SIGN
|
|
|
|
is("ab.c" =~ s/\b/!/agr, "!ab!.!c!", '\\b matches ASCII before string, mid, and end, /a');
|
|
is("$a_acute$egrave.$u_umlaut" =~ s/\b/!/agr, "$a_acute$egrave.$u_umlaut", '\\b matches Latin1 before string, mid, and end, /a');
|
|
is("\x{100}\x{101}.\x{102}" =~ s/\b/!/agr, "\x{100}\x{101}.\x{102}", '\\b matches above-Latin1 before string, mid, and end, /a');
|
|
|
|
is("..." =~ s/\B/!/agr, "!.!.!.!", '\\B matches ASCII before string, mid, and end, /a');
|
|
is("$division$division$division" =~ s/\B/!/agr, "!$division!$division!$division!", '\\B matches Latin1 before string, mid, and end, /a');
|
|
is("\x{2028}\x{2028}\x{2028}" =~ s/\B/!/agr, "!\x{2028}!\x{2028}!\x{2028}!", '\\B matches above-Latin1 before string, mid, and end, /a');
|
|
|
|
is("ab.c" =~ s/\b/!/dgr, "!ab!.!c!", '\\b matches ASCII before string, mid, and end, /d');
|
|
{ is("$a_acute$egrave.$u_umlaut" =~ s/\b/!/dgr, "$a_acute$egrave.$u_umlaut", '\\b matches Latin1 before string, mid, and end, /d'); }
|
|
is("\x{100}\x{101}.\x{102}" =~ s/\b/!/dgr, "!\x{100}\x{101}!.!\x{102}!", '\\b matches above-Latin1 before string, mid, and end, /d');
|
|
|
|
is("..." =~ s/\B/!/dgr, "!.!.!.!", '\\B matches ASCII before string, mid, and end, /d');
|
|
is("$division$division$division" =~ s/\B/!/dgr, "!$division!$division!$division!", '\\B matches Latin1 before string, mid, and end, /d');
|
|
is("\x{2028}\x{2028}\x{2028}" =~ s/\B/!/dgr, "!\x{2028}!\x{2028}!\x{2028}!", '\\B matches above-Latin1 before string, mid, and end, /d');
|
|
|
|
is("ab.c" =~ s/\b/!/ugr, "!ab!.!c!", '\\b matches ASCII before string, mid, and end, /u');
|
|
is("$a_acute$egrave.$u_umlaut" =~ s/\b/!/ugr, "!$a_acute$egrave!.!$u_umlaut!", '\\b matches Latin1 before string, mid, and end, /u');
|
|
is("\x{100}\x{101}.\x{102}" =~ s/\b/!/ugr, "!\x{100}\x{101}!.!\x{102}!", '\\b matches above-Latin1 before string, mid, and end, /u');
|
|
|
|
is("..." =~ s/\B/!/ugr, "!.!.!.!", '\\B matches ASCII before string, mid, and end, /u');
|
|
is("$division$division$division" =~ s/\B/!/ugr, "!$division!$division!$division!", '\\B matches Latin1 before string, mid, and end, /u');
|
|
is("\x{2028}\x{2028}\x{2028}" =~ s/\B/!/ugr, "!\x{2028}!\x{2028}!\x{2028}!", '\\B matches above-Latin1 before string, mid, and end, /u');
|
|
|
|
fresh_perl_like( '$_=""; /\b{gcb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{gcb}'
|
|
);
|
|
fresh_perl_like( '$_=""; /\B{gcb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{gcb}'
|
|
);
|
|
fresh_perl_like( '$_=""; /\b{wb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{wb}'
|
|
);
|
|
fresh_perl_like( '$_=""; /\B{wb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{wb}'
|
|
);
|
|
fresh_perl_like( '$_=""; /\b{sb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{sb}'
|
|
);
|
|
fresh_perl_like( '$_=""; /\B{sb}/; s///g', qr/^$/, {},
|
|
'[perl #126319: Segmentation fault in Perl_sv_catpvn_flags with \b{sb}'
|
|
);
|
|
|
|
SKIP: {
|
|
if (! locales_enabled('LC_ALL')) {
|
|
skip "Can't test locale (maybe you are missing POSIX)", 6;
|
|
}
|
|
|
|
setlocale(&POSIX::LC_ALL, "C");
|
|
use locale;
|
|
is("a.b" =~ s/\b/!/gr, "!a!.!b!", '\\b matches ASCII before string, mid, and end, /l');
|
|
is("$a_acute.$egrave" =~ s/\b/!/gr, "$a_acute.$egrave", '\\b matches Latin1 before string, mid, and end, /l');
|
|
is("\x{100}\x{101}.\x{102}" =~ s/\b/!/gr, "!\x{100}\x{101}!.!\x{102}!", '\\b matches above-Latin1 before string, mid, and end, /l');
|
|
|
|
is("..." =~ s/\B/!/gr, "!.!.!.!", '\\B matches ASCII before string, mid, and end, /l');
|
|
is("$division$division$division" =~ s/\B/!/gr, "!$division!$division!$division!", '\\B matches Latin1 before string, mid, and end, /l');
|
|
is("\x{2028}\x{2028}\x{2028}" =~ s/\B/!/gr, "!\x{2028}!\x{2028}!\x{2028}!", '\\B matches above-Latin1 before string, mid, and end, /l');
|
|
}
|
|
|
|
}
|
|
|
|
{
|
|
# RT #123954 if the string getting matched against got converted during
|
|
# s///e so that it was no longer SvPOK, an assertion would fail when
|
|
# setting pos.
|
|
my $s1 = 0;
|
|
$s1 =~ s/.?/$s1++/ge;
|
|
is($s1, "01","RT #123954 s1");
|
|
}
|
|
{
|
|
# RT #126602 double free if the value being modified is freed in the replacement
|
|
fresh_perl_is('s//*_=0;s|0||;00.y0/e; print qq(ok\n)', "ok\n", { stderr => 1 },
|
|
"[perl #126602] s//*_=0;s|0||/e crashes");
|
|
}
|
|
|
|
{
|
|
#RT 126260 gofs is in chars, not bytes
|
|
|
|
# in something like /..\G/, the engine should start matching two
|
|
# chars before pos(). At one point it was matching two bytes before.
|
|
|
|
my $s = "\x{121}\x{122}\x{123}";
|
|
pos($s) = 2;
|
|
$s =~ s/..\G//g;
|
|
is($s, "\x{123}", "#RT 126260 gofs");
|
|
}
|
|
|
|
SKIP: {
|
|
if (! locales_enabled('LC_CTYPE')) {
|
|
skip "Can't test locale", 1;
|
|
}
|
|
|
|
# To cause breakeage, we need a locale in which \xff matches whatever
|
|
# POSIX class is used in the pattern. Easiest is C, with \W.
|
|
fresh_perl_is(' use POSIX qw(locale_h);
|
|
setlocale(&POSIX::LC_CTYPE, "C");
|
|
my $s = "\xff";
|
|
$s =~ s/\W//l;
|
|
print qq(ok$s\n)',
|
|
"ok\n",
|
|
{stderr => 1 },
|
|
'[perl #129038 ] s/\xff//l no longer crashes');
|
|
}
|
|
|
|
SKIP: {
|
|
skip("no Tie::Hash::NamedCapture under miniperl", 3) if is_miniperl;
|
|
|
|
# RT #23624 scoping of @+/@- when used with tie()
|
|
#! /usr/bin/perl -w
|
|
|
|
package Tie::Prematch;
|
|
sub TIEHASH { bless \my $dummy => __PACKAGE__ }
|
|
sub FETCH { return substr $_[1], 0, $-[0] }
|
|
|
|
package main;
|
|
|
|
eval <<'__EOF__';
|
|
tie my %pre, 'Tie::Prematch';
|
|
my $foo = 'foobar';
|
|
$foo =~ s/.ob/$pre{ $foo }/;
|
|
is($foo, 'ffar', 'RT #23624');
|
|
|
|
$foo = 'foobar';
|
|
$foo =~ s/.ob/tied(%pre)->FETCH($foo)/e;
|
|
is($foo, 'ffar', 'RT #23624');
|
|
|
|
tie %-, 'Tie::Prematch';
|
|
$foo = 'foobar';
|
|
$foo =~ s/.ob/$-{$foo}/;
|
|
is($foo, 'ffar', 'RT #23624');
|
|
|
|
undef *Tie::Prematch::TIEHASH;
|
|
undef *Tie::Prematch::FETCH;
|
|
__EOF__
|
|
}
|
|
|
|
# [perl #130188] crash on return from substitution in subroutine
|
|
# make sure returning from s///e doesn't SEGV
|
|
{
|
|
my $f = sub {
|
|
my $x = 'a';
|
|
$x =~ s/./return;/e;
|
|
};
|
|
my $x = $f->();
|
|
pass("RT #130188");
|
|
}
|
|
|
|
# RT #131930
|
|
# a multi-line s/// wasn't resetting the cop_line correctly
|
|
{
|
|
my $l0 = __LINE__;
|
|
my $s = "a";
|
|
$s =~ s[a]
|
|
[b];
|
|
my $lines = __LINE__ - $l0;
|
|
is $lines, 4, "RT #131930";
|
|
}
|
|
|
|
{ # [perl #133899], would panic
|
|
|
|
fresh_perl_is('my $a = "ha"; $a =~ s!|0?h\x{300}(?{})!!gi', "", {},
|
|
"[perl #133899] s!|0?h\\x{300}(?{})!!gi panics");
|
|
}
|
|
|
|
{
|
|
fresh_perl_is("s//00000000000format \0 '0000000\\x{800}/;eval", "", {}, "RT #133882");
|
|
}
|
|
|
|
{ # GH Issue 20690
|
|
my @ret;
|
|
my $str = "abc";
|
|
for my $upgrade (0,1) {
|
|
my $copy = $str;
|
|
utf8::upgrade($copy) if $upgrade;
|
|
my $r= $copy=~s/b{0}//gr;
|
|
push @ret, $r;
|
|
}
|
|
is( $ret[1], $ret[0],
|
|
"Issue #20690 - s/b{0}//gr should work the same for utf8 and non-utf8 strings");
|
|
is( $ret[0], $str,
|
|
"Issue #20690 - s/b{0}//gr on non-utf8 string should not remove anything");
|
|
is( $ret[1], $str,
|
|
"Issue #20690 - s/b{0}//gr on utf8 string should not remove anything");
|
|
}
|