use Test::More;
use strict; use warnings FATAL => 'all';
use Lowu;
ok []->join eq '', 'empty array join ok';
my $arr = [1 .. 3];
cmp_ok $arr->join, 'eq', '1,2,3', 'join without params ok';
cmp_ok $arr->join('-'), 'eq', '1-2-3', 'join with params ok';
cmp_ok $arr->join(''), 'eq', '123', 'join with empty string ok';
done_testing;