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    if ($ENV{PERL_CORE}){
17	chdir('t') if -d 't';
18	@INC = ('.', '../lib');
19    } else {
20	unshift @INC, 't';
21    }
22    require Config; import Config;
23    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
24        print "1..0 # Skip: Storable was not built\n";
25        exit 0;
26    }
27}
28
29use Storable ();
30use Test::More tests => 9;
31
32my $ddd = bless { }, 'Foo';
33my $eee = bless { Bar => $ddd }, 'Bar';
34$ddd->{Foo} = $eee;
35
36my $array = [ $ddd ];
37
38my $string = Storable::freeze( $array );
39my $thawed = Storable::thaw( $string );
40
41# is_deeply infinite loops in ciculars, so do it manually
42# is_deeply( $array, $thawed, 'Circular hooked objects work' );
43is( ref($thawed), 'ARRAY', 'Top level ARRAY' );
44is( scalar(@$thawed), 1, 'ARRAY contains one element' );
45isa_ok( $thawed->[0], 'Foo' );
46is( scalar(keys %{$thawed->[0]}), 1, 'Foo contains one element' );
47isa_ok( $thawed->[0]->{Foo}, 'Bar' );
48is( scalar(keys %{$thawed->[0]->{Foo}}), 1, 'Bar contains one element' );
49isa_ok( $thawed->[0]->{Foo}->{Bar}, 'Foo' );
50is( $thawed->[0], $thawed->[0]->{Foo}->{Bar}, 'Circular is... well... circular' );
51
52# Make sure the thawing went the way we expected
53is_deeply( \@Foo::order, [ 'Bar', 'Foo' ], 'thaw order is correct (depth first)' );
54
55
56
57
58
59package Foo;
60
61@order = ();
62
63sub STORABLE_freeze {
64	my ($self, $clone) = @_;
65	my $class = ref $self;
66
67	# print "# Freezing $class\n";
68
69	return ($class, $self->{$class});
70}
71
72sub STORABLE_thaw {
73	my ($self, $clone, $string, @refs) = @_;
74	my $class = ref $self;
75
76	# print "# Thawing $class\n";
77
78	$self->{$class} = shift @refs;
79
80	push @order, $class;
81
82 	return;
83}
84
85package Bar;
86
87BEGIN {
88@ISA = 'Foo';
89}
90
911;
92