Re: [ID 20020601.005] Storable: STORABLE_freeze mechanism leaks memory (unfreed SVs)
[p5sagit/p5-mst-13.2.git] / ext / Storable / t / dclone.t
CommitLineData
7a6a85bf 1#!./perl
7a6a85bf 2#
3# Copyright (c) 1995-2000, Raphael Manfredi
4#
9e21b3d0 5# You may redistribute only under the same terms as Perl 5, as specified
6# in the README file that comes with the distribution.
7a6a85bf 7#
7a6a85bf 8
9sub BEGIN {
0c384302 10 if ($ENV{PERL_CORE}){
11 chdir('t') if -d 't';
7dadce44 12 @INC = ('.', '../lib', '../ext/Storable/t');
372cb964 13 } else {
14 unshift @INC, 't';
0c384302 15 }
9f233367 16 require Config; import Config;
0c384302 17 if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
9f233367 18 print "1..0 # Skip: Storable was not built\n";
19 exit 0;
20 }
372cb964 21 require 'st-dump.pl';
7a6a85bf 22}
23
24
25use Storable qw(dclone);
26
14bff8b8 27print "1..10\n";
7a6a85bf 28
29$a = 'toto';
30$b = \$a;
31$c = bless {}, CLASS;
32$c->{attribute} = 'attrval';
33%a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$c);
34@a = ('first', undef, 3, -4, -3.14159, 456, 4.5,
35 $b, \$a, $a, $c, \$c, \%a);
36
37print "not " unless defined ($aref = dclone(\@a));
38print "ok 1\n";
39
40$dumped = &dump(\@a);
41print "ok 2\n";
42
43$got = &dump($aref);
44print "ok 3\n";
45
46print "not " unless $got eq $dumped;
47print "ok 4\n";
48
49package FOO; @ISA = qw(Storable);
50
51sub make {
52 my $self = bless {};
53 $self->{key} = \%main::a;
54 return $self;
55};
56
57package main;
58
59$foo = FOO->make;
60print "not " unless defined($r = $foo->dclone);
61print "ok 5\n";
62
63print "not " unless &dump($foo) eq &dump($r);
64print "ok 6\n";
65
66# Ensure refs to "undef" values are properly shared during cloning
67my $hash;
68push @{$$hash{''}}, \$$hash{a};
69print "not " unless $$hash{''}[0] == \$$hash{a};
70print "ok 7\n";
71
72my $cloned = dclone(dclone($hash));
73print "not " unless $$cloned{''}[0] == \$$cloned{a};
74print "ok 8\n";
75
76$$cloned{a} = "blah";
77print "not " unless $$cloned{''}[0] == \$$cloned{a};
78print "ok 9\n";
79
14bff8b8 80# [ID 20020221.007] SEGV in Storable with empty string scalar object
81package TestString;
82sub new {
83 my ($type, $string) = @_;
84 return bless(\$string, $type);
85}
86package main;
87my $empty_string_obj = TestString->new('');
88my $clone = dclone($empty_string_obj);
89# If still here after the dclone the fix (#17543) worked.
90print ref $clone eq ref $empty_string_obj &&
91 $$clone eq $$empty_string_obj &&
92 $$clone eq '' ? "ok 10\n" : "not ok 10\n";