1#!./perl -w
2#
3#  Copyright 2005, Adam Kennedy.
4#
5#  You may redistribute only under the same terms as Perl 5, as specified
6#  in the README file that comes with the distribution.
7#
8
9# Man, blessed.t scared the hell out of me. For a second there I thought
10# I'd lose Test::More...
11
12# This file tests several known-error cases relating to STORABLE_attach, in
13# which Storable should (correctly) throw errors.
14
15sub BEGIN {
16    unshift @INC, 't';
17    require Config; import Config;
18    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
19        print "1..0 # Skip: Storable was not built\n";
20        exit 0;
21    }
22}
23
24use Storable ();
25use Test::More tests => 9;
26
27my $ddd = bless { }, 'Foo';
28my $eee = bless { Bar => $ddd }, 'Bar';
29$ddd->{Foo} = $eee;
30
31my $array = [ $ddd ];
32
33my $string = Storable::freeze( $array );
34my $thawed = Storable::thaw( $string );
35
36# is_deeply infinite loops in ciculars, so do it manually
37# is_deeply( $array, $thawed, 'Circular hooked objects work' );
38is( ref($thawed), 'ARRAY', 'Top level ARRAY' );
39is( scalar(@$thawed), 1, 'ARRAY contains one element' );
40isa_ok( $thawed->[0], 'Foo' );
41is( scalar(keys %{$thawed->[0]}), 1, 'Foo contains one element' );
42isa_ok( $thawed->[0]->{Foo}, 'Bar' );
43is( scalar(keys %{$thawed->[0]->{Foo}}), 1, 'Bar contains one element' );
44isa_ok( $thawed->[0]->{Foo}->{Bar}, 'Foo' );
45is( $thawed->[0], $thawed->[0]->{Foo}->{Bar}, 'Circular is... well... circular' );
46
47# Make sure the thawing went the way we expected
48is_deeply( \@Foo::order, [ 'Bar', 'Foo' ], 'thaw order is correct (depth first)' );
49
50
51
52
53
54package Foo;
55
56@order = ();
57
58sub STORABLE_freeze {
59	my ($self, $clone) = @_;
60	my $class = ref $self;
61
62	# print "# Freezing $class\n";
63
64	return ($class, $self->{$class});
65}
66
67sub STORABLE_thaw {
68	my ($self, $clone, $string, @refs) = @_;
69	my $class = ref $self;
70
71	# print "# Thawing $class\n";
72
73	$self->{$class} = shift @refs;
74
75	push @order, $class;
76
77 	return;
78}
79
80package Bar;
81
82BEGIN {
83@ISA = 'Foo';
84}
85
861;
87