#!/usr/bin/perl -w

package Tester;
use strict;
use URL;
use Data::Dumper;

sub new {
    my $class = shift;
    my $self = {};

    $self = bless($self, $class);
    return $self;
}

sub add {
    my $self = shift;
    my @urls;
    if ($self->{urls}) {
	@urls = @{$self->{urls}};
    } else {
	@urls = ();
    }
    my $url = ${$_[0]};
    
    push(@urls, $url);
    $self->{urls} = \@urls;
}

sub next {
    my $self = shift;
    my @urls = @{$self->{urls}};
    
    if (!@urls) {
	return undef;
    }
    my $url = pop(@urls);
    
    
    $self->{urls} = \@urls;
    return $url;
}

1