}

  @Test
  fun unparseableTopPrivateDomain() {
    assertInvalid("http://a../", "Invalid URL host: \"a..\"")
    assertInvalid("http://..a/", "Invalid URL host: \"..a\"")
    assertInvalid("http://a..b/", "Invalid URL host: \"a..b\"")
    assertInvalid("http://.a/", "Invalid URL host: \".a\"")
    assertInvalid("http://../", "Invalid URL host: \"..\"")
  }

  @Test
  fun hostnameTelephone() {

     * Error message for null reference pointers.
     */
    public static final String NO_NULL_REF = "ref pointer cannot be null";

    /**
     * Error message for invalid array conformance.
     */
    public static final String INVALID_CONFORMANCE = "invalid array conformance";

    /**
     * Constructs an NdrException with the specified error message.
     *
     * @param msg the error message
     */

        assertTrue(queryFieldConfig.isSortField("modified"));
        assertTrue(queryFieldConfig.isSortField("title"));

        // Test invalid sort fields
        assertFalse(queryFieldConfig.isSortField("invalid"));
        assertFalse(queryFieldConfig.isSortField(""));
        assertFalse(queryFieldConfig.isSortField(null));
    }

    public void test_isFacetField() {

    assertFailsToDecode(base64(), "12345", "Invalid input length 5");
    // These have a combination of invalid length, unrecognized characters and wrong padding.
    assertFailsToDecode(base64(), "AB=C", "Unrecognized character: =");
    assertFailsToDecode(base64(), "A=BCD", "Invalid input length 5");
    assertFailsToDecode(base64(), "?", "Invalid input length 1");
  }

  public void testBase64CannotUpperCase() {

                    throw new PACDecodingException("Invalid kerberos version");
                }
                break;
            case 1:
                ASN1Integer msgType = ASN1Util.as(ASN1Integer.class, tagged);
                if (!msgType.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_AP_REQ))) {
                    throw new PACDecodingException("Invalid kerberos request");
                }
                break;

        return switch (this.state) {
        case 1 -> makeNegotiate(token);
        case 2 -> makeAuthenticate(token);
        default -> throw new SmbException("Invalid state");
        };
    }

    /**
     * Creates a Type 3 (authentication) message in response to a Type 2 (challenge) message.
     * @param token the Type 2 message bytes

        @Test
        @DisplayName("Should throw DcerpcException for invalid URL format")
        void testConstructor_InvalidUrl() {
            String invalidUrl = "invalid:server";
            assertThrows(DcerpcException.class, () -> new DcerpcPipeHandle(invalidUrl, mockContext, false),
                    "Should throw DcerpcException for invalid protocol");
        }

        @Test

    /**
     * Asserts that the argument is valid.
     *
     * @param argName
     *            The name of the argument that must not be invalid.
     * @param expression
     *            The precondition.
     * @param description
     *            The description of why the argument is invalid.
     * @throws ClIllegalArgumentException
     *             If {@code expression} is false.
     */

        case ERROR_INVALID_PARAMETER:
            return "Invalid parameter";
        case ERROR_INSUFFICIENT_BUFFER:
            return "Insufficient buffer";
        case ERROR_NOT_SUPPORTED:
            return "Operation not supported";
        case ERROR_ACCESS_DENIED:
            return "Access denied";
        case ERROR_INVALID_STATE:
            return "Invalid state";
        default:

        boolean result = transport.hasCapability(cap);

        assertEquals(cap >= 0, result);
        verify(transport, times(1)).hasCapability(cap);
    }

    // Invalid input: simulate underlying SmbException when capability check fails
    @Test
    @DisplayName("hasCapability throws SmbException when underlying error occurs")
    void hasCapability_throws() throws SmbException {