CPAN::Groonga

use strict;
use warnings;
use Test::More;

use_ok 'Data::Object::Number';
# deprecated
# can_ok 'Data::Object::Number', 'downto';

use Scalar::Util 'refaddr';

subtest 'test the downto method' => sub {
  my $number = Data::Object::Number->new(10);
  my $downto = $number->downto(0);

  isnt refaddr($number), refaddr($downto);
  is_deeply $downto, [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0];

  isa_ok $number, 'Data::Object::Number';
  isa_ok $downto, 'Data::Object::Array';
};

ok 1 and done_testing;