void setUp() {
        lenient().when(mockFileEntry1.getName()).thenReturn("file1.txt");
        lenient().when(mockFileEntry2.getName()).thenReturn("file2.txt");
        lenient().when(mockFileEntry3.getName()).thenReturn("file3.txt");

        lenient().when(mockResource1.getName()).thenReturn("file1.txt");
        lenient().when(mockResource2.getName()).thenReturn("file2.txt");
        lenient().when(mockResource3.getName()).thenReturn("file3.txt");

        lenient().when(mockSmbNamedPipe.openPipe()).thenReturn(mockSmbPipeHandle);
        lenient().when(mockSmbPipeHandle.unwrap(SmbPipeHandleInternal.class)).thenReturn(mockSmbPipeHandleInternal);
        lenient().when(mockSmbNamedPipe.getContext()).thenReturn(mockContext);
        lenient().when(mockSmbNamedPipe.getLocator()).thenReturn(mockSmbResourceLocator);

        // 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);

        // Then
        assertEquals(0, response.getDataRemaining());
    }

    @Test
    @DisplayName("Should write empty bytes to wire format")
    void testWriteBytesWireFormat() {
        // Given
        byte[] buffer = new byte[256];
        int offset = 10;

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

        // Then

    @DisplayName("Test isSigningEnforced returns true when signing is enforced")
    void testIsSigningEnforcedReturnsTrue() {
        // Given
        when(negotiationRequest.isSigningEnforced()).thenReturn(true);

        // When
        boolean result = negotiationRequest.isSigningEnforced();

        // Then
        assertTrue(result, "isSigningEnforced should return true when signing is enforced");

    void testMessageConstructor() {
        // Given & When
        CIFSUnsupportedCryptoException exception = new CIFSUnsupportedCryptoException(CRYPTO_ERROR_MESSAGE);

        // Then
        assertEquals(CRYPTO_ERROR_MESSAGE, exception.getMessage(), "Message should be preserved");
        assertNull(exception.getCause(), "Cause should be null when not specified");
    }

    @ParameterizedTest

    }

    @Test
    @DisplayName("Should return null for getService")
    void testGetService() {
        // When
        String service = response.getService();

        // Then
        assertNull(service);
    }

    @Test
    @DisplayName("Should prepare next request correctly when received")
    void testPrepareWhenReceived() throws Exception {
        // Given

        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(pipe.openUnshared(anyString(), anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(fileHandle);
        when(fileHandle.acquire()).thenReturn(fileHandle);
        when(fileHandle.getTree()).thenReturn(tree);

        void testConstructorWithNullContext() {
            // When
            Handler testHandler = new Handler(null);

            // Then
            assertNotNull(testHandler);
        }

        @Test
        @DisplayName("Should extend jcifs.http.Handler")
        void testInheritance() {
            // Then
            assertTrue(handler instanceof jcifs.http.Handler);

    void isInUse_variants(boolean inUse) {
        when(session.isInUse()).thenReturn(inUse);

        boolean result = session.isInUse();

        assertEquals(inUse, result);
        verify(session, times(1)).isInUse();
    }

    // Happy path + edge: getSessionKey returns bytes, empty and null
    @Test
    @DisplayName("getSessionKey returns bytes, empty, then null")
    void getSessionKey_variants() throws CIFSException {