val certificateByteString = certificate.certificate.encoded.toByteString()

    // Valid signature.
    val okHttpCertificate =
      CertificateAdapters.certificate
        .fromDer(certificateByteString)
    println(okHttpCertificate)
    assertThat(okHttpCertificate.checkSignature(root.keyPair.public)).isTrue()

    // Invalid signature.
    val okHttpCertificateWithBadSignature =
      okHttpCertificate.copy(

                    return buf;
                }, StringIndexOutOfBoundsException.class));
    }

    @ParameterizedTest(name = "{0}")
    @MethodSource("invalidBuffers")
    @DisplayName("Invalid buffers throw appropriate exceptions")
    void invalidInputsThrow(String name, Object bufferSupplierOrBytes, Class<? extends Throwable> expected) {
        // Arrange
        byte[] buf;

        assertNotNull(order);
        assertEquals(BucketOrder.key(true), order);
    }

    // Test getBucketOrder with invalid sort value
    @Test
    public void test_getBucketOrder_invalidSort() {
        facetInfo.sort = "invalid.desc";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }

            } catch (final URISyntaxException e) {
                throw new CrawlingAccessException("Invalid FTP URL: " + s, e);
            }

            if (!"ftp".equals(uri.getScheme())) {
                throw new CrawlingAccessException(
                        "Invalid FTP scheme: expected 'ftp://' but got '" + uri.getScheme() + "://' for URI: " + s);
            }

}

// TestPutBucketErrors - request for non valid bucket operation
// and validate it with expected error result.
func (s *TestSuiteCommon) TestPutBucketErrors(c *check) {
	// generate a random bucket name.
	bucketName := getRandomBucketName()
	// generating a HTTP request to create bucket.
	// using invalid bucket name.

                } else if (parsed) {
                    // fallback, already expected a XmlPullParserException due to invalid XML
                    throw new XmlPullParserException("Duplicated tag: 'extensions'", parser, null);
                }
                coreExtensions = parseCoreExtensions(parser, strict);

        validateApi(body, messages -> {});
        if (!isValidFileConfigId(body.fileConfigId)) {
            return asJson(new ApiErrorResponse().message("invalid fileConfigId").status(Status.BAD_REQUEST).result());
        }

        body.crudMode = CrudMode.CREATE;
        final FileAuthentication fileAuth = getFileAuthentication(body).map(entity -> {
            try {
                fileAuthService.store(entity);

        @Test
        public void testConstructorWithMalformedUrl() {
            // Test that constructor throws MalformedURLException for completely invalid URL
            // Note: http:// URLs are actually accepted by the URL constructor but the protocol is changed to smb
            String invalidUrl = "not-a-valid-url";
            assertThrows(MalformedURLException.class, () -> new SmbFile(invalidUrl));
        }

        @Test

        assertNotNull(resp.getErrorData(), "Error data should be present");
        assertArrayEquals(err, resp.getErrorData());
    }

    @Test
    @DisplayName("Invalid structure size should throw during decode")
    void testInvalidStructureSizeThrows() {
        Smb2SessionSetupResponse resp = newResponse();

        byte[] buf = new byte[128];
        int headerStart = 0;

		fallthrough
	case "keyInvalid":
		fallthrough
	case "forbidden":
		err = PrefixAccessDenied{
			Bucket: bucket,
			Object: object,
		}
	case "invalid":
		err = BucketNameInvalid{
			Bucket: bucket,
		}
	case "notFound":
		if object != "" {
			err = ObjectNotFound{
				Bucket: bucket,
				Object: object,
			}
			break
		}