// nothing
    }

    // ===================================================================================
    //                                                                      General Helper
    //                                                                      ==============
    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {

            assertThrows(NullPointerException.class, () -> {
                response.readDataWireFormat(null, 0, 0);
            });
        }
    }

    // Helper methods for creating test buffers

    private byte[] createValidDfsReferralBuffer() {
        // Create a buffer representing a valid DFS referral response
        // Need to include space for actual string data

        // Test all interface methods
        assertNull(response.getService()); // getService returns null in SMB2
        assertEquals(response.getTreeId(), response.getTid());
    }

    /**
     * Helper method to create a valid response buffer
     */
    private byte[] createValidResponseBuffer(int shareType, int shareFlags, int capabilities, int maxAccess) {
        byte[] buffer = new byte[256];

        assertEquals(0, SMBUtil.readInt2(buffer, 0)); // sid
        assertEquals(0, SMBUtil.readInt2(buffer, 2)); // maxItems
        assertEquals(0, SMBUtil.readInt4(buffer, 6)); // resumeKey
    }

    // Helper method to read string from buffer
    private String readString(byte[] buffer, int offset, int maxLength) {
        int length = 0;
        for (int i = offset; i < offset + maxLength && i < buffer.length; i++) {

            return 0;
        }

        @Override
        int readDataWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        // Helper methods to access private fields using reflection
        protected void setFieldValue(String fieldName, Object value) {
            try {
                Field field = null;
                Class<?> clazz = this.getClass();

import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.mylasta.mail.TestmailPostcard;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.mail.Postbox;

        verify(response, never()).setHeader(eq("WWW-Authenticate"), anyString());
        verify(response, never()).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    }

    /**
     * Helper method to set up common mocks required for authentication tests.
     * @throws CIFSException
     */
    private void setupMocksForAuth() throws Exception {

import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.JobProcessingException;
import org.codelibs.fess.exec.ThumbnailGenerator;
import org.codelibs.fess.helper.ProcessHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.InputStreamThread;
import org.codelibs.fess.util.JobProcess;

import org.codelibs.fess.crawler.entity.SitemapSet;
import org.codelibs.fess.crawler.entity.SitemapUrl;
import org.codelibs.fess.crawler.exception.ChildUrlsException;
import org.codelibs.fess.crawler.helper.SitemapsHelper;
import org.codelibs.fess.crawler.processor.ResponseProcessor;
import org.dbflute.utflute.core.PlainTestCase;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import static org.codelibs.core.stream.StreamUtil.split;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;