StringBuilder sb1 = new StringBuilder("first");
        StringBuilder sb2 = new StringBuilder("second");
        String result = StringUtil.join(",", sb1, sb2);
        assertEquals("first,second", result);
    }

    @Test
    @DisplayName("Should handle StringBuffer as CharSequence")
    void testJoinWithStringBuffer() {
        StringBuffer sb1 = new StringBuffer("alpha");

package jcifs.smb1.ntlmssp;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.Credentials;
import jcifs.SmbConstants;
import jcifs.SmbResourceLocator;
import jcifs.internal.smb1.com.SmbComBlankResponse;
import jcifs.internal.smb1.com.SmbComCreateDirectory;
import jcifs.internal.smb1.com.SmbComDelete;
import jcifs.internal.smb1.com.SmbComQueryInformationResponse;
import jcifs.internal.smb1.com.SmbComRename;

@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for connecting to the SAM service.
 * This class provides functionality to establish a connection to the
 * Security Account Manager (SAM) database using the SAMR RPC interface.

package jcifs.smb1.smb1;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

class TransCallNamedPipeResponse extends SmbComTransactionResponse {

    private final SmbNamedPipe pipe;

    TransCallNamedPipeResponse(final SmbNamedPipe pipe) {
        this.pipe = pipe;
    }

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for enumerating aliases within a domain.
 * This class provides functionality to enumerate security aliases (local groups)
 * within a SAM domain using the SAMR RPC interface.
 */

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc.ndr;

/**
 * Base class for NDR (Network Data Representation) objects used in DCE/RPC communication.
 * This abstract class defines the interface for encoding and decoding NDR data types.
 */

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc;

/**
 * DCE/RPC error codes and fault constants for SMB1 compatibility
 */
public interface DcerpcError {

    /**
     * Generic fault code for other errors
     */
    int DCERPC_FAULT_OTHER = 0x00000001;
    /**

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

class TransPeekNamedPipeResponse extends SmbComTransactionResponse {

    private final SmbNamedPipe pipe;
    static final int STATUS_DISCONNECTED = 1;
    static final int STATUS_LISTENING = 2;