// When
        int bytesWritten = response.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(0, bytesWritten);
    }

    @Test
    @DisplayName("Should handle error response structure size 9")
    void testReadBytesWireFormatErrorResponse() throws Exception {
        // Given
        byte[] buffer = new byte[256];
        int bufferIndex = 0;

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.create.CreateContextResponse;

/**
 * SMB2 Durable Handle Response Create Context
 *
 * MS-SMB2 Section 2.2.14.2.3
 */
public class DurableHandleResponse implements CreateContextResponse {

    /**
     * Context name for durable handle response
     */
    public static final String CONTEXT_NAME = "DHnQ";

        this.registrationId = registrationId;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {
        return contextHandle;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {

	if err != nil {
		return errInvalidArgument
	}
	data := &syscall.Win32finddata{}
	handle, err := syscall.FindFirstFile(globAllP, data)
	if err != nil {
		if err = syscallErrToFileErr(dirPath, err); err == errFileNotFound {
			return nil
		}
		return err
	}
	defer syscall.FindClose(handle)

	for ; ; err = syscall.FindNextFile(handle, data) {
		if err != nil {
			if err == syscall.ERROR_NO_MORE_FILES {
				break
			}

     * @throws CIFSException if an error occurs connecting to the tree
     */
    SmbTreeHandleInternal ensureTreeConnected() throws CIFSException;

    /**
     * Ensures that the file handle is open and returns it.
     *
     * @return file handle
     * @throws CIFSException if an error occurs opening the file
     */
    SmbFileHandle ensureOpen() throws CIFSException;

    /**
     * Receive data from the pipe
     *

    }

    @Test
    @DisplayName("Should handle different cipher IDs")
    void testDifferentCipherIds() {
        // Test cipher ID 1 (AES-CCM)
        Smb2EncryptionContext context1 = new Smb2EncryptionContext(1, DialectVersion.SMB311, testEncryptionKey, testDecryptionKey);
        assertEquals(1, context1.getCipherId(), "Should handle cipher ID 1");

        // Test cipher ID 2 (AES-GCM)

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for opening an LSA policy handle.
 * This class provides functionality to open a handle to the LSA policy
 * database on a remote server using the LSA RPC interface.
 */
public class MsrpcLsarOpenPolicy2 extends lsarpc.LsarOpenPolicy2 {

    /**
     * Creates a new request to open an LSA policy handle.
     *
     * @param server the server name to connect to

        // Then
        assertNotNull(signingKey, "Should handle empty session key");
        assertEquals(16, signingKey.length, "Should still produce 16-byte key");
    }

    @Test
    @DisplayName("Should handle null preauth integrity for SMB 3.0.0")
    void testDeriveKeys_NullPreauthForSMB300() {
        // Given

package jcifs.dcerpc.msrpc;

/**
 * MSRPC implementation for opening an LSA policy handle.
 * This class provides functionality to open a handle to the LSA policy
 * database on a remote server using the LSA RPC interface.
 */
public class MsrpcLsarOpenPolicy2 extends lsarpc.LsarOpenPolicy2 {

    /**
     * Creates a new request to open an LSA policy handle.
     *
     * @param server the server name to connect to

    }

    @Test
    @DisplayName("Constructor with null request should work")
    void testConstructorWithNullRequest() {
        // Test that null request is handled properly
        SmbNegotiation negotiationWithNullRequest = new SmbNegotiation(null, mockResponse, testRequestBuffer, testResponseBuffer);

        assertNull(negotiationWithNullRequest.getRequest());