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#!perl -w
use strict;
BEGIN {
chdir 't' if -d 't';
require './test.pl';
skip_all_if_miniperl("no dynamic loading on miniperl, no Scalar::Util");
}
plan(tests => 14);
# [perl 72922]: A 'copy' of a Regex object which has magic should not crash
# When a Regex object was copied and the copy weaken then the original regex object
# could no longer be 'copied' with qr//
use Scalar::Util 'weaken';
sub s1 {
my $re = qr/abcdef/;
my $re_copy1 = $re;
my $re_weak_copy = $re;;
weaken($re_weak_copy);
my $re_copy2 = qr/$re/;
my $str_re = "$re";
is("$$re_weak_copy", $str_re, "weak copy equals original");
is("$re_copy1", $str_re, "copy1 equals original");
is("$re_copy2", $str_re, "copy2 equals original");
my $refcnt_start = Internals::SvREFCNT($$re_weak_copy);
undef $re;
is(Internals::SvREFCNT($$re_weak_copy), $refcnt_start - 1, "refcnt decreased");
is("$re_weak_copy", $str_re, "weak copy still equals original");
undef $re_copy2;
is(Internals::SvREFCNT($$re_weak_copy), $refcnt_start - 1, "refcnt not decreased");
is("$re_weak_copy", $str_re, "weak copy still equals original");
}
s1();
s1();
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