use Test::More qw/no_plan/;
use Data::FormValidator;

my %h = ( key => [ ' value1 ', ' value2 ' ] );

# Testing an internal function here, so it's OK if this test starts
# to fail because the API changes
my %out = Data::FormValidator::Results::_get_input_as_hash({},\%h);

isnt($h{key},$out{key},"after copying structure, values should have different memory addresses");


{
    Data::FormValidator->check(
      \%h,
      { required => [ 'key' ],
        filters => [ 'trim' ],
      });

    is($h{key}[0], ' value1 ', "filters shouldn't modify data in arrayrefs");
}