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use Test::More;
use strict; use warnings FATAL => 'all';
use Lowu;
my $arr = [];
my $insert = $arr->insert(0 => 1);
ok $insert == $arr, 'boxed insert returned self ok';
is_deeply
[ $arr->all ],
[ 1 ],
'boxed insert first position on empty list ok';
$arr->insert(4 => 2);
is_deeply
[ $arr->all ],
[ 1, undef, undef, undef, 2 ],
'boxed insert pre-filled nonexistant elems ok';
$arr->insert(3 => 3);
is_deeply
[ $arr->all ],
[ 1, undef, undef, 3, undef, 2 ],
'boxed insert to middle ok';
done_testing;
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