1use Test::More;
2use strict; use warnings FATAL => 'all';
3
4use List::Objects::WithUtils 'array';
5
6my $arr = array(4);
7my $unshifted = $arr->unshift( 1 .. 3 );
8ok $unshifted == $arr, 'unshift returned self';
9is_deeply
10  [ $arr->all ],
11  [ 1 .. 4 ],
12  'unshift ok';
13
14ok array->unshift(1)->count == 1, 'unshift to empty array ok';
15
16done_testing;
17