Storable-Improved/t/freeze.t
#!./perl
#
# Copyright (c) 1995-2000, Raphael Manfredi
#
# You may redistribute only under the same terms as Perl 5, as specified
# in the README file that comes with the distribution.
#
sub BEGIN {
unshift @INC, 't';
unshift @INC, 't/compat' if $] < 5.006002;
require Config; import Config;
if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
print "1..0 # Skip: Storable was not built\n";
exit 0;
}
require 'st-dump.pl';
}
use Storable::Improved qw(freeze nfreeze thaw);
$Storable::Improved::flags = Storable::Improved::FLAGS_COMPAT;
use Test::More tests => 21;
$a = 'toto';
$b = \$a;
$c = bless {}, CLASS;
$c->{attribute} = $b;
$d = {};
$e = [];
$d->{'a'} = $e;
$e->[0] = $d;
%a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$c);
@a = ('first', undef, 3, -4, -3.14159, 456, 4.5, $d, \$d, \$e, $e,
$b, \$a, $a, $c, \$c, \%a);
my $f1 = freeze(\@a);
isnt($f1, undef);
$dumped = &dump(\@a);
isnt($dumped, undef);
$root = thaw($f1);
isnt($root, undef);
$got = &dump($root);
isnt($got, undef);
is($got, $dumped);
package FOO; @ISA = qw(Storable::Improved);
sub make {
my $self = bless {};
$self->{key} = \%main::a;
return $self;
};
package main;
$foo = FOO->make;
my $f2 = $foo->freeze;
isnt($f2, undef);
my $f3 = $foo->nfreeze;
isnt($f3, undef);
$root3 = thaw($f3);
isnt($root3, undef);
is(&dump($foo), &dump($root3));
$root = thaw($f2);
is(&dump($foo), &dump($root));
is(&dump($root3), &dump($root));
$other = freeze($root);
is(length$other, length $f2);
$root2 = thaw($other);
is(&dump($root2), &dump($root));
$VAR1 = [
'method',
1,
'prepare',
'SELECT table_name, table_owner, num_rows FROM iitables
where table_owner != \'$ingres\' and table_owner != \'DBA\''
];
$x = nfreeze($VAR1);
$VAR2 = thaw($x);
is($VAR2->[3], $VAR1->[3]);
# Test the workaround for LVALUE bug in perl 5.004_04 -- from Gisle Aas
sub foo { $_[0] = 1 }
$foo = [];
foo($foo->[1]);
eval { freeze($foo) };
is($@, '');
# Test cleanup bug found by Claudio Garcia -- RAM, 08/06/2001
my $thaw_me = 'asdasdasdasd';
eval {
my $thawed = thaw $thaw_me;
};
isnt($@, '');
my %to_be_frozen = (foo => 'bar');
my $frozen;
eval {
$frozen = freeze \%to_be_frozen;
};
is($@, '');
freeze {};
eval { thaw $thaw_me };
eval { $frozen = freeze { foo => {} } };
is($@, '');
thaw $frozen; # used to segfault here
pass("Didn't segfault");
SKIP: {
my (@a, @b);
eval '
$a = []; $#$a = 2; $a->[1] = undef;
$b = thaw freeze $a;
@a = map { ~~ exists $a->[$_] } 0 .. $#$a;
@b = map { ~~ exists $b->[$_] } 0 .. $#$b;
';
is($@, '');
is("@a", "@b");
}