String storedFileName = (String) fileNameField.get(request);
        assertEquals(testFileName, storedFileName);
    }

    @Test
    @DisplayName("Constructor with fileId only should use empty fileName")
    void testConstructorWithFileIdOnly() throws Exception {
        Smb2CloseRequest requestWithFileIdOnly = new Smb2CloseRequest(mockConfig, testFileId);

        // Verify file ID is set

		return n, err
	}

	if b.w-b.r < len(b.buf) {
		b.fill() // buffer not full
	}

	for b.r < b.w {
		// b.r < b.w => buffer is not empty
		m, err := b.writeBuf(w)
		n += m
		if err != nil {
			return n, err
		}
		b.fill() // buffer is empty
	}

	if b.err == io.EOF {
		b.err = nil
	}

	return n, b.readErr()
}

        assertEquals("value1", dataStoreParams.get("key1"));
        assertEquals("value2", dataStoreParams.get("key2"));
        assertEquals("value3", dataStoreParams.get("key3"));
    }

    // Test putAll with empty map
    public void test_putAllEmptyMap() {
        dataStoreParams.put("existingKey", "existingValue");

        Map<String, String> emptyMap = new HashMap<>();
        dataStoreParams.putAll(emptyMap);

        final Map<String, String> map = new HashMap<>(2);
        map.put(Constants.ITEM_LABEL, label != null ? label.toString() : StringUtil.EMPTY);
        map.put(Constants.ITEM_VALUE, value != null ? value.toString() : StringUtil.EMPTY);
        return map;
    }

                final Map<String, String> map = ParameterUtil.parse(fileAuth.getParameters());
                final String domain = map.get("domain");
                smbAuth.setDomain(domain == null ? StringUtil.EMPTY : domain);
                smbAuth.setServer(fileAuth.getHostname());
                smbAuth.setPort(fileAuth.getPort() == null ? -1 : fileAuth.getPort());
                smbAuth.setUsername(fileAuth.getUsername());

// PolicyToBucketAccessPolicy converts a MinIO policy into a minio-go policy data structure.
func PolicyToBucketAccessPolicy(bucketPolicy *policy.BucketPolicy) (*miniogopolicy.BucketAccessPolicy, error) {
	// Return empty BucketAccessPolicy for empty bucket policy.
	if bucketPolicy == nil {
		return &miniogopolicy.BucketAccessPolicy{Version: policy.DefaultVersion}, nil
	}

	data, err := json.Marshal(bucketPolicy)
	if err != nil {

        //    return null; // handled later
        //}
    }

    @Override
    public OptionalThing<String> determineAlias(final Locale locale) {
        return OptionalObject.empty();
    }

     * </p>
     *
     * @param jarFile the Jar file (must not be {@literal null})
     * @param prefix the prefix that the resource name to traverse must contain (must not be {@literal null}).
     *               If not empty, must end with a slash ('/')
     * @param handler the handler to process classes (must not be {@literal null})
     */
    public static void forEach(final JarFile jarFile, final String prefix, final ClassHandler handler) {

    }

    @Test
    void testOpenConnection_EmptySystemProperty_UsesDefaultHandlers() throws Exception {
        // This test verifies that when the system property is empty, the handler
        // falls back to using default handlers.
        System.setProperty("java.protocol.handler.pkgs", "");
        setupMockProtocolHandlers();
        URL url = new URL("http://example.com/resource");

        // Assert
        assertFalse(result);
        verify(signingDigest, times(1)).verify(testData, offset, length, extraPad, null);
    }

    @Test
    @DisplayName("Test sign method with empty data array")
    void testSignWithEmptyData() {
        // Arrange
        byte[] emptyData = new byte[0];
        int offset = 0;
        int length = 0;

        // Act