1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#!./perl
use Test::More tests => 16;
use Storable ();
use warnings;
use strict;
package TEST;
sub make {
my $pkg = shift;
return bless { a => 1, b => 2 }, $pkg;
}
package TIED_HASH;
sub TIEHASH {
my $pkg = shift;
return bless { a => 1, b => 2 }, $pkg;
}
sub FETCH {
my ($self, $key) = @_;
return $self->{$key};
}
sub STORE {
my ($self, $key, $value) = @_;
$self->{$key} = $value;
}
sub FIRSTKEY {
my $self = shift;
keys %$self;
return each %$self;
}
sub NEXTKEY {
my $self = shift;
return each %{$self};
}
sub EXISTS {
my ($self, $key) = @_;
return exists $self->{$key};
}
package main;
{
my $obj = TEST->make;
is_deeply($obj, { a => 1, b => 2 }, "object contains correct data");
my $frozen = Storable::freeze($obj);
my ($t1, $t2) = Storable::thaw($frozen);
{
no warnings 'once';
local $Storable::flags = Storable::FLAGS_COMPAT();
$t2 = Storable::thaw($frozen);
}
is_deeply($t1, $t2, "objects contain matching data");
is(ref $t1, 'TEST', "default object is blessed");
is(ref $t2, 'TEST', "compat object is blessed into correct class");
my $t3 = Storable::thaw($frozen, Storable::FLAGS_COMPAT());
is_deeply($t2, $t3, "objects contain matching data (explicit test)");
is(ref $t3, 'TEST', "compat object is blessed into correct class (explicit test)");
my $t4 = Storable::thaw($frozen, Storable::BLESS_OK());
is_deeply($t2, $t3, "objects contain matching data (explicit test for bless)");
is(ref $t3, 'TEST', "compat object is blessed into correct class (explicit test for bless)");
{
no warnings 'once';
local $Storable::flags = Storable::FLAGS_COMPAT();
my $t5 = Storable::thaw($frozen, 0);
my $t6 = Storable::thaw($frozen, Storable::TIE_OK());
is_deeply($t1, $t5, "objects contain matching data");
is_deeply($t1, $t6, "objects contain matching data for TIE_OK");
is(ref $t5, 'HASH', "default object is unblessed");
is(ref $t6, 'HASH', "TIE_OK object is unblessed");
}
}
{
tie my %hash, 'TIED_HASH';
ok(tied %hash, "hash is tied");
my $obj = { bow => \%hash };
my $frozen = Storable::freeze($obj);
my $t1 = Storable::thaw($frozen, Storable::FLAGS_COMPAT());
my $t2 = eval { Storable::thaw($frozen); };
ok(!$@, "trying to thaw a tied value succeeds");
ok(tied %{$t1->{bow}}, "compat object is tied");
is(ref tied %{$t1->{bow}}, 'TIED_HASH', "compat object is tied into correct class");
}
|
