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+#!./perl
+
+# $Id: recurse.t,v 1.0.1.3 2001/02/17 12:28:33 ram Exp $
+#
+# 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 1.0.1.3 2001/02/17 12:28:33 ram
+# patch8: ensure blessing occurs ASAP, specially designed for hooks
+#
+# 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..32\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';
+
+#
+# The following attempts to make sure blessed objects are blessed ASAP
+# at retrieve time.
+#
+
+package CLASS_1;
+
+sub make {
+ my $self = bless {}, shift;
+ return $self;
+}
+
+package CLASS_2;
+
+sub make {
+ my $self = bless {}, shift;
+ my ($o) = @_;
+ $self->{c1} = CLASS_1->make();
+ $self->{o} = $o;
+ $self->{c3} = bless CLASS_1->make(), "CLASS_3";
+ $o->set_c2($self);
+ return $self;
+}
+
+sub STORABLE_freeze {
+ my($self, $clonning) = @_;
+ return "", $self->{c1}, $self->{c3}, $self->{o};
+}
+
+sub STORABLE_thaw {
+ my($self, $clonning, $frozen, $c1, $c3, $o) = @_;
+ main::ok 29, ref $self eq "CLASS_2";
+ main::ok 30, ref $c1 eq "CLASS_1";
+ main::ok 31, ref $c3 eq "CLASS_3";
+ main::ok 32, ref $o eq "CLASS_OTHER";
+ $self->{c1} = $c1;
+ $self->{c3} = $c3;
+}
+
+package CLASS_OTHER;
+
+sub make {
+ my $self = bless {}, shift;
+ return $self;
+}
+
+sub set_c2 { $_[0]->{c2} = $_[1] }
+
+package main;
+
+my $o = CLASS_OTHER->make();
+my $c2 = CLASS_2->make($o);
+my $so = thaw freeze $o;
+
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