# Data::Walk - Traverse Perl data structures.
# Copyright (C) 2005-2016 Guido Flohr <guido.flohr@cantanea.com>,
# all rights reserved.
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.
# You should have received a copy of the GNU Library General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
# USA.
use strict;
use Test;
use Data::Walk;
BEGIN {
    plan tests => 2;
}
my (%data, $wanted, $count, $postprocess);
%data = ('A' .. 'Z', 'a' .. 'z');
my $postprocessor_calls = 0;
my $container;
     
$postprocess = sub {
    ++$postprocessor_calls;
    $container = $Data::Walk::container;
};
$wanted = sub {};
walk { wanted => $wanted, postprocess => $postprocess}, \%data;
ok $postprocessor_calls;
ok \%data, $container;