CPAN::Groonga

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

use_ok 'Data::Object::Hash';
# deprecated
# can_ok 'Data::Object::Hash', 'delete';

use Scalar::Util 'refaddr';

subtest 'test the delete method' => sub {
  my $hash = Data::Object::Hash->new({1 .. 8});

  my @argument = (1);
  my $delete   = $hash->delete(@argument);

  isnt refaddr($hash), refaddr($delete);
  is $delete, 2;
  is_deeply $hash, {3 .. 8};

  isa_ok $hash,   'Data::Object::Hash';
  isa_ok $delete, 'Data::Object::Number';
};

ok 1 and done_testing;