when(response1.getNextResponse()).thenReturn(response2);
        when(response2.getNextResponse()).thenReturn(response3);
        when(response3.getNextResponse()).thenReturn(null);

        when(response1.isAsync()).thenReturn(false);
        when(response2.isAsync()).thenReturn(true);
        when(response3.isAsync()).thenReturn(false);

        // When - test chain navigation and properties

        doNothing().when(messageBlock).setMid(mid);
        doNothing().when(messageBlock).setCommand(command);
        doNothing().when(messageBlock).setUid(uid);
        doNothing().when(messageBlock).setSessionId(sessionId);
        doNothing().when(messageBlock).setExtendedSecurity(true);
        doNothing().when(messageBlock).setDigest(digest);
        doNothing().when(messageBlock).setResponse(response);

        // Default configuration
        when(mockConfig.isDfsDisabled()).thenReturn(false);
        when(mockConfig.isEncryptionEnabled()).thenReturn(true);
        when(mockConfig.getMinimumVersion()).thenReturn(DialectVersion.SMB202);
        when(mockConfig.getMaximumVersion()).thenReturn(DialectVersion.SMB311);
        when(mockConfig.getTransactionBufferSize()).thenReturn(65536);
        when(mockConfig.getReceiveBufferSize()).thenReturn(65536);

            // When
            int result = response.writeBytesWireFormat(dst, 0);

            // Then
            assertEquals(0, result);
        }

        @Test
        @DisplayName("Should return 0 with null array")
        void testWriteBytesWireFormatWithNullArray() {
            // Given
            byte[] dst = null;

            // When

        // Given
        when(mockTreeHandle.isSMB2()).thenReturn(true);
        when(mockTreeHandle.getSendBufferSize()).thenReturn(65536);
        when(mockFileHandle.isValid()).thenReturn(false, true);
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);
        when(mockFileHandle.acquire()).thenReturn(mockFileHandle);

    void testConstructorInitialization() {
        // Given
        int offset = 0;
        int length = TEST_DATA.length;

        // When
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_DATA, offset, length);

        // Then
        assertNotNull(transCallNamedPipe);
        assertEquals(SmbComTransaction.SMB_COM_TRANSACTION, transCallNamedPipe.getCommand());

        long asyncId = 67890L;

        // When
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, mid, asyncId);

        // Then
        assertEquals(SMB2_CANCEL, request.getCommand());
        assertEquals(mid, request.getMid());
        assertEquals(asyncId, request.getAsyncId());
        assertTrue((request.getFlags() & SMB2_FLAGS_ASYNC_COMMAND) != 0, "Async flag should be set when asyncId is non-zero");
    }

    @Test

        when(request.getNext()).thenReturn(nextRequest);
        when(nextRequest.getNext()).thenReturn(thirdRequest);
        when(thirdRequest.getNext()).thenReturn(null);
        when(request.allowChain(nextRequest)).thenReturn(true);
        when(nextRequest.allowChain(thirdRequest)).thenReturn(true);

        // When
        CommonServerMessageBlockRequest second = request.getNext();

        @DisplayName("Should handle exception when getting challenge")
        void testGetChallengeException() throws CIFSException {
            // Given
            when(transportPool.getChallenge(context, address)).thenThrow(new CIFSException("Failed to get challenge"));

            // When & Then
            assertThrows(CIFSException.class, () -> transportPool.getChallenge(context, address));
        }
    }

    @Nested

    void testConstructorWithNullFilename() {
        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, null));
    }

    @Test
    @DisplayName("Constructor should handle empty filename")
    void testConstructorWithEmptyFilename() {
        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, ""));
    }

    @Test