CPAN::Groonga

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

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

use Scalar::Util 'refaddr';

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

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

  isa_ok $integer, 'Data::Object::Number';
  isa_ok $upto,    'Data::Object::Array';
};

ok 1 and done_testing;