use strict;
use warnings;
use Test::More;
use_ok 'Data::Object::Array';
# deprecated
# can_ok 'Data::Object::Array', 'sum';
use Scalar::Util 'refaddr';
subtest 'test the sum method' => sub {
my $array = Data::Object::Array->new([1 .. 5]);
my @argument = ();
my $sum = $array->sum(@argument);
isnt refaddr($array), refaddr($sum);
is $sum, 15;
isa_ok $array, 'Data::Object::Array';
isa_ok $sum, 'Data::Object::Number';
};
ok 1 and done_testing;