1use Test::More;
2use strict; use warnings FATAL => 'all';
3
4use List::Objects::WithUtils 'array';
5
6my $sum = sub { $_[0] + $_[1] };
7my $arr = array(1 .. 3);
8
9cmp_ok $arr->reduce($sum), '==', 6, 'reduce with positional args ok';
10cmp_ok array(1)->reduce($sum), '==', 1, 'array with one element reduce ok';
11ok !defined array->reduce($sum), 'empty array reduce ok';
12
13cmp_ok array(6, 3, 2)->reduce(sub { $a / $b }), '==', 1,
14  'reduce folds left (with named args)';
15
16cmp_ok array(6, 3, 2)->foldl(sub { $a / $b }), '==', 1,
17  'foldl folds left';
18
19cmp_ok array(6, 3, 2)->fold_left(sub { $a / $b }), '==', 1,
20  'fold_left alias ok';
21
22cmp_ok array(2, 3, 6)->foldr(sub { $b / $a }), '==', 1,
23  'foldr folds right';
24
25cmp_ok array(2, 3, 6)->fold_right(sub { $b / $a }), '==', 1,
26  'fold_right alias ok';
27
28ok !defined array->foldr($sum), 'empty array foldr ok';
29
30done_testing;
31