#!./perl -w
#
# Copyright 2005, Adam Kennedy.
#
# You may redistribute only under the same terms as Perl 5, as specified
# in the README file that comes with the distribution.
#
# Man, blessed.t scared the hell out of me. For a second there I thought
# I'd lose Test::More...
# This file tests several known-error cases relating to STORABLE_attach, in
# which Storable should (correctly) throw errors.
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;
}
}
use Storable ();
use Test::More tests => 9;
my $ddd = bless { }, 'Foo';
my $eee = bless { Bar => $ddd }, 'Bar';
$ddd->{Foo} = $eee;
my $array = [ $ddd ];
my $string = Storable::freeze( $array );
my $thawed = Storable::thaw( $string );
# is_deeply infinite loops in ciculars, so do it manually
# is_deeply( $array, $thawed, 'Circular hooked objects work' );
is( ref($thawed), 'ARRAY', 'Top level ARRAY' );
is( scalar(@$thawed), 1, 'ARRAY contains one element' );
isa_ok( $thawed->[0], 'Foo' );
is( scalar(keys %{$thawed->[0]}), 1, 'Foo contains one element' );
isa_ok( $thawed->[0]->{Foo}, 'Bar' );
is( scalar(keys %{$thawed->[0]->{Foo}}), 1, 'Bar contains one element' );
isa_ok( $thawed->[0]->{Foo}->{Bar}, 'Foo' );
is( $thawed->[0], $thawed->[0]->{Foo}->{Bar}, 'Circular is... well... circular' );
# Make sure the thawing went the way we expected
is_deeply( \@Foo::order, [ 'Bar', 'Foo' ], 'thaw order is correct (depth first)' );
package Foo;
@order = ();
sub STORABLE_freeze {
my ($self, $clone) = @_;
my $class = ref $self;
# print "# Freezing $class\n";
return ($class, $self->{$class});
}
sub STORABLE_thaw {
my ($self, $clone, $string, @refs) = @_;
my $class = ref $self;
# print "# Thawing $class\n";
$self->{$class} = shift @refs;
push @order, $class;
return;
}
package Bar;
BEGIN {
@ISA = 'Foo';
}
1;