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|
#!./perl
# $Id: recurse.t,v 1.0.1.2 2000/11/05 17:22:05 ram Exp ram $
#
# 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.
#
# $Log: recurse.t,v $
# Revision 1.0.1.2 2000/11/05 17:22:05 ram
# patch6: stress hook a little more with refs to lexicals
#
# $Log: recurse.t,v $
# Revision 1.0.1.1 2000/09/17 16:48:05 ram
# patch1: added test case for store hook bug
#
# $Log: recurse.t,v $
# Revision 1.0 2000/09/01 19:40:42 ram
# Baseline for first official release.
#
sub BEGIN {
chdir('t') if -d 't';
@INC = '.';
push @INC, '../lib';
require Config; import Config;
if ($Config{'extensions'} !~ /\bStorable\b/) {
print "1..0 # Skip: Storable was not built\n";
exit 0;
}
require 'lib/st-dump.pl';
}
sub ok;
use Storable qw(freeze thaw dclone);
print "1..28\n";
package OBJ_REAL;
use Storable qw(freeze thaw);
@x = ('a', 1);
sub make { bless [], shift }
sub STORABLE_freeze {
my $self = shift;
my $cloning = shift;
die "STORABLE_freeze" unless Storable::is_storing;
return (freeze(\@x), $self);
}
sub STORABLE_thaw {
my $self = shift;
my $cloning = shift;
my ($x, $obj) = @_;
die "STORABLE_thaw #1" unless $obj eq $self;
my $len = length $x;
my $a = thaw $x;
die "STORABLE_thaw #2" unless ref $a eq 'ARRAY';
die "STORABLE_thaw #3" unless @$a == 2 && $a->[0] eq 'a' && $a->[1] == 1;
@$self = @$a;
die "STORABLE_thaw #4" unless Storable::is_retrieving;
}
package OBJ_SYNC;
@x = ('a', 1);
sub make { bless {}, shift }
sub STORABLE_freeze {
my $self = shift;
my ($cloning) = @_;
return if $cloning;
return ("", \@x, $self);
}
sub STORABLE_thaw {
my $self = shift;
my ($cloning, $undef, $a, $obj) = @_;
die "STORABLE_thaw #1" unless $obj eq $self;
die "STORABLE_thaw #2" unless ref $a eq 'ARRAY' || @$a != 2;
$self->{ok} = $self;
}
package OBJ_SYNC2;
use Storable qw(dclone);
sub make {
my $self = bless {}, shift;
my ($ext) = @_;
$self->{sync} = OBJ_SYNC->make;
$self->{ext} = $ext;
return $self;
}
sub STORABLE_freeze {
my $self = shift;
my %copy = %$self;
my $r = \%copy;
my $t = dclone($r->{sync});
return ("", [$t, $self->{ext}], $r, $self, $r->{ext});
}
sub STORABLE_thaw {
my $self = shift;
my ($cloning, $undef, $a, $r, $obj, $ext) = @_;
die "STORABLE_thaw #1" unless $obj eq $self;
die "STORABLE_thaw #2" unless ref $a eq 'ARRAY';
die "STORABLE_thaw #3" unless ref $r eq 'HASH';
die "STORABLE_thaw #4" unless $a->[1] == $r->{ext};
$self->{ok} = $self;
($self->{sync}, $self->{ext}) = @$a;
}
package OBJ_REAL2;
use Storable qw(freeze thaw);
$MAX = 20;
$recursed = 0;
$hook_called = 0;
sub make { bless [], shift }
sub STORABLE_freeze {
my $self = shift;
$hook_called++;
return (freeze($self), $self) if ++$recursed < $MAX;
return ("no", $self);
}
sub STORABLE_thaw {
my $self = shift;
my $cloning = shift;
my ($x, $obj) = @_;
die "STORABLE_thaw #1" unless $obj eq $self;
$self->[0] = thaw($x) if $x ne "no";
$recursed--;
}
package main;
my $real = OBJ_REAL->make;
my $x = freeze $real;
ok 1, 1;
my $y = thaw $x;
ok 2, 1;
ok 3, $y->[0] eq 'a';
ok 4, $y->[1] == 1;
my $sync = OBJ_SYNC->make;
$x = freeze $sync;
ok 5, 1;
$y = thaw $x;
ok 6, 1;
ok 7, $y->{ok} == $y;
my $ext = [1, 2];
$sync = OBJ_SYNC2->make($ext);
$x = freeze [$sync, $ext];
ok 8, 1;
my $z = thaw $x;
$y = $z->[0];
ok 9, 1;
ok 10, $y->{ok} == $y;
ok 11, ref $y->{sync} eq 'OBJ_SYNC';
ok 12, $y->{ext} == $z->[1];
$real = OBJ_REAL2->make;
$x = freeze $real;
ok 13, 1;
ok 14, $OBJ_REAL2::recursed == $OBJ_REAL2::MAX;
ok 15, $OBJ_REAL2::hook_called == $OBJ_REAL2::MAX;
$y = thaw $x;
ok 16, 1;
ok 17, $OBJ_REAL2::recursed == 0;
$x = dclone $real;
ok 18, 1;
ok 19, ref $x eq 'OBJ_REAL2';
ok 20, $OBJ_REAL2::recursed == 0;
ok 21, $OBJ_REAL2::hook_called == 2 * $OBJ_REAL2::MAX;
ok 22, !Storable::is_storing;
ok 23, !Storable::is_retrieving;
#
# The following was a test-case that Salvador Ortiz Garcia <sog@msg.com.mx>
# sent me, along with a proposed fix.
#
package Foo;
sub new {
my $class = shift;
my $dat = shift;
return bless {dat => $dat}, $class;
}
package Bar;
sub new {
my $class = shift;
return bless {
a => 'dummy',
b => [
Foo->new(1),
Foo->new(2), # Second instance of a Foo
]
}, $class;
}
sub STORABLE_freeze {
my($self,$clonning) = @_;
return "$self->{a}", $self->{b};
}
sub STORABLE_thaw {
my($self,$clonning,$dummy,$o) = @_;
$self->{a} = $dummy;
$self->{b} = $o;
}
package main;
my $bar = new Bar;
my $bar2 = thaw freeze $bar;
ok 24, ref($bar2) eq 'Bar';
ok 25, ref($bar->{b}[0]) eq 'Foo';
ok 26, ref($bar->{b}[1]) eq 'Foo';
ok 27, ref($bar2->{b}[0]) eq 'Foo';
ok 28, ref($bar2->{b}[1]) eq 'Foo';
|
