CPAN::Groonga

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

use_ok 'Data::Object::Code';
# deprecated
# can_ok 'Data::Object::Code', 'compose';

use Scalar::Util 'refaddr';

subtest 'test the compose method' => sub {
  my $code    = Data::Object::Code->new(sub { [@_] });
  my $compose = $code->compose($code, 1, 2, 3);
  my $result  = $compose->call(4, 5, 6);

  isnt refaddr($code), refaddr($compose);
  is_deeply $result, [[1, 2, 3, 4, 5, 6]];

  isa_ok $code,    'Data::Object::Code';
  isa_ok $compose, 'Data::Object::Code';
  isa_ok $result,  'Data::Object::Array';
};

ok 1 and done_testing;