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#!perl
BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@INC = '../lib';
}
require Config;
import Config;
if ($Config{'extensions'} !~ /\bOpcode\b/) {
print "1..0\n";
exit 0;
}
}
use strict;
use warnings;
use Test::More;
use Safe;
plan(tests => 6);
my $c = new Safe;
$c->permit(qw(require caller));
my $r = $c->reval(q!
no warnings 'redefine';
sub UNIVERSAL::isa { "pwned" }
(bless[],"Foo")->isa("Foo");
!);
is( $r, "pwned", "isa overriden in compartment" );
is( (bless[],"Foo")->isa("Foo"), 1, "... but not outside" );
sub Foo::foo {}
$r = $c->reval(q!
no warnings 'redefine';
sub UNIVERSAL::can { "pwned" }
(bless[],"Foo")->can("foo");
!);
is( $r, "pwned", "can overriden in compartment" );
is( (bless[],"Foo")->can("foo"), \&Foo::foo, "... but not outside" );
$r = $c->reval(q!
utf8::is_utf8("\x{100}");
!);
is( $@, '', 'can call utf8::is_valid' );
is( $r, 1, '... returns 1' );
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