spec\LdapTools\Utilities\LdapUtilitiesSpec::it_should_check_if_a_value_is_a_valid_SID PHP Method

    function it_should_check_if_a_value_is_a_valid_SID()
    {
        $SIDs = ['S-1-5-21-1004336348-1177238915-682003330-512', 'S-1-5-32-544', 'S-1-0-0', 'S-1-0', 'S-1-1', 'S-1-5-10', 's-1-5-10', 'S-1-5-21-123-12-123-12-123-12-123-12-123-12-123-123-12-15'];
        foreach ($SIDs as $sid) {
            $this::isValidSid($sid)->shouldBeEqualTo(true);
        }
        $this::isValidSid('S-1')->shouldBeEqualTo(false);
        $this::isValidSid('S')->shouldBeEqualTo(false);
        $this::isValidSid('S--')->shouldBeEqualTo(false);
        $this::isValidSid('S-1-5-23-')->shouldBeEqualTo(false);
        $this::isValidSid('foo')->shouldBeEqualTo(false);
        // A max of 15 sub authorities are allowed
        $this::isValidSid('S-1-5-21-123-12-123-12-123-12-123-12-123-12-123-123-12-15-16')->shouldBeEqualTo(false);
        // Sub authorities are unsigned 32bit integers, max char length of 10
        $this::isValidSid('S-1-5-21-123-12345678910')->shouldBeEqualTo(false);
    }