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use Test::More;
use strict; use warnings FATAL => 'all';
use List::Objects::WithUtils 'array';
my $sum = sub { $_[0] + $_[1] };
my $arr = array(1 .. 3);
cmp_ok $arr->reduce($sum), '==', 6, 'reduce with positional args ok';
cmp_ok array(1)->reduce($sum), '==', 1, 'array with one element reduce ok';
ok !defined array->reduce($sum), 'empty array reduce ok';
cmp_ok array(6, 3, 2)->reduce(sub { $a / $b }), '==', 1,
'reduce folds left (with named args)';
cmp_ok array(6, 3, 2)->foldl(sub { $a / $b }), '==', 1,
'foldl folds left';
cmp_ok array(6, 3, 2)->fold_left(sub { $a / $b }), '==', 1,
'fold_left alias ok';
cmp_ok array(2, 3, 6)->foldr(sub { $b / $a }), '==', 1,
'foldr folds right';
cmp_ok array(2, 3, 6)->fold_right(sub { $b / $a }), '==', 1,
'fold_right alias ok';
ok !defined array->foldr($sum), 'empty array foldr ok';
done_testing;
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