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#!./perl
#
# Copyright (c) 1995-2000, Raphael Manfredi
#
# You may redistribute only under the same terms as Perl 5, as specified
# in the README file that comes with the distribution.
#
sub BEGIN {
unshift @INC, 't';
require Config; import Config;
if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
print "1..0 # Skip: Storable was not built\n";
exit 0;
}
require 'st-dump.pl';
}
use Storable qw(dclone);
print "1..12\n";
$a = 'toto';
$b = \$a;
$c = bless {}, CLASS;
$c->{attribute} = 'attrval';
%a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$c);
@a = ('first', undef, 3, -4, -3.14159, 456, 4.5,
$b, \$a, $a, $c, \$c, \%a);
print "not " unless defined ($aref = dclone(\@a));
print "ok 1\n";
$dumped = &dump(\@a);
print "ok 2\n";
$got = &dump($aref);
print "ok 3\n";
print "not " unless $got eq $dumped;
print "ok 4\n";
package FOO; @ISA = qw(Storable);
sub make {
my $self = bless {};
$self->{key} = \%main::a;
return $self;
};
package main;
$foo = FOO->make;
print "not " unless defined($r = $foo->dclone);
print "ok 5\n";
print "not " unless &dump($foo) eq &dump($r);
print "ok 6\n";
# Ensure refs to "undef" values are properly shared during cloning
my $hash;
push @{$$hash{''}}, \$$hash{a};
print "not " unless $$hash{''}[0] == \$$hash{a};
print "ok 7\n";
my $cloned = dclone(dclone($hash));
print "not " unless $$cloned{''}[0] == \$$cloned{a};
print "ok 8\n";
$$cloned{a} = "blah";
print "not " unless $$cloned{''}[0] == \$$cloned{a};
print "ok 9\n";
# [ID 20020221.007] SEGV in Storable with empty string scalar object
package TestString;
sub new {
my ($type, $string) = @_;
return bless(\$string, $type);
}
package main;
my $empty_string_obj = TestString->new('');
my $clone = dclone($empty_string_obj);
# If still here after the dclone the fix (#17543) worked.
print ref $clone eq ref $empty_string_obj &&
$$clone eq $$empty_string_obj &&
$$clone eq '' ? "ok 10\n" : "not ok 10\n";
# Do not fail if Tie::Hash and/or Tie::StdHash is not available
if (eval { require Tie::Hash; scalar keys %Tie::StdHash:: }) {
tie my %tie, "Tie::StdHash" or die $!;
$tie{array} = [1,2,3,4];
$tie{hash} = {1,2,3,4};
my $clone_array = dclone $tie{array};
print "not " unless "@$clone_array" eq "@{$tie{array}}";
print "ok 11\n";
my $clone_hash = dclone $tie{hash};
print "not " unless $clone_hash->{1} eq $tie{hash}{1};
print "ok 12\n";
} else {
print <<EOF;
ok 11 # skip No Tie::StdHash available
ok 12 # skip No Tie::StdHash available
EOF
}
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