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#!./perl
# $Id: overload.t,v 1.0.1.1 2001/02/17 12:27:22 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: overload.t,v $
# Revision 1.0.1.1 2001/02/17 12:27:22 ram
# patch8: added test for structures with indirect ref to overloaded
#
# 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);
print "1..12\n";
package OVERLOADED;
use overload
'""' => sub { $_[0][0] };
package main;
$a = bless [77], OVERLOADED;
$b = thaw freeze $a;
ok 1, ref $b eq 'OVERLOADED';
ok 2, "$b" eq "77";
$c = thaw freeze \$a;
ok 3, ref $c eq 'REF';
ok 4, ref $$c eq 'OVERLOADED';
ok 5, "$$c" eq "77";
$d = thaw freeze [$a, $a];
ok 6, "$d->[0]" eq "77";
$d->[0][0]++;
ok 7, "$d->[1]" eq "78";
package REF_TO_OVER;
sub make {
my $self = bless {}, shift;
my ($over) = @_;
$self->{over} = $over;
return $self;
}
package OVER;
use overload
'+' => \&plus,
'""' => sub { ref $_[0] };
sub plus {
return 314;
}
sub make {
my $self = bless {}, shift;
my $ref = REF_TO_OVER->make($self);
$self->{ref} = $ref;
return $self;
}
package main;
$a = OVER->make();
$b = thaw freeze $a;
ok 8, ref $b eq 'OVER';
ok 9, $a + $a == 314;
ok 10, ref $b->{ref} eq 'REF_TO_OVER';
ok 11, "$b->{ref}->{over}" eq "$b";
ok 12, $b + $b == 314;
1;
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