CPAN::Groonga

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

use_ok 'Data::Object::Array';
# deprecated
# can_ok 'Data::Object::Array', 'iterator';

use Scalar::Util 'refaddr';

subtest 'test the iterator method' => sub {
  my $array = Data::Object::Array->new([1 .. 5]);

  my $values   = [];
  my $i        = 0;
  my @argument = ();

  my $iterator = $array->iterator(@argument);
  while (my $value = $iterator->()) {
    $i++;
    push @{$values}, $value;
  }

  isnt refaddr($array), refaddr($iterator);
  is_deeply $values, [1, 2, 3, 4, 5];
  is $i, 5;

  isa_ok $array,    'Data::Object::Array';
  isa_ok $iterator, 'Data::Object::Code';
};

ok 1 and done_testing;