public function testValidationAllowsEmptyValuesToRequiredInputWhenAllowEmptyFlagIsTrue()
{
$filter = new InputFilter();
$foo = new Input('foo');
$foo->getValidatorChain()->addValidator(new Validator\StringLength(3, 5));
$foo->setRequired(true);
$foo->setAllowEmpty(true);
$bar = new Input();
$bar->getValidatorChain()->addValidator(new Validator\Digits());
$bar->setRequired(true);
$filter->add($foo, '')->add($bar, 'bar');
$data = array('bar' => 124);
$filter->setData($data);
$this->assertTrue($filter->isValid());
$this->assertEquals('', $filter->getValue('foo'));
}
