Phalcon\Test\Unit\Filter\FilterCustomTest::testSanitizeCustomIpv4FilterHex PHP Method

    public function testSanitizeCustomIpv4FilterHex()
    {
        $this->specify("custom filter does not return correct hex", function () {
            $filter = new Filter();
            $filter->add('ipv4', new IPv4());
            expect($filter->sanitize('00:1c:42:bf:71:22', 'ipv4'))->isEmpty();
        });
    }