void testDecodeThrowsException() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[10];
        int bufferIndex = 0;

        when(messageBlock.decode(buffer, bufferIndex)).thenThrow(new SMBProtocolDecodingException("Invalid buffer"));

        // When & Then
        assertThrows(SMBProtocolDecodingException.class, () -> messageBlock.decode(buffer, bufferIndex));
    }

    @Test

    void nameFilterThrowsIsHandled() throws Exception {
        // Arrange
        stubAcquireReturnsSelf();
        when(nameFilter.accept(parent, "bad")).thenThrow(new CIFSException("bad name"));
        when(nameFilter.accept(parent, "good")).thenReturn(true);

        FileEntry initial = entry("first");
        FileEntry[] page1 = new FileEntry[] { entry("bad"), entry("good") };

            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();
            CIFSException exception = new CIFSException("Test exception");
            when(mockSmbPipeHandleInternal.getSessionKey()).thenThrow(exception);
            assertThrows(CIFSException.class, handle::getSessionKey);
        }
    }

    @Nested
    @DisplayName("Send/Receive Fragment Tests")
    class SendReceiveFragmentTests {

        nbtAddress.calledName = NbtAddress.SMBSERVER_NAME; // Manually set for this test case

        when(mockNameServiceClient.getNodeStatus(nbtAddress)).thenThrow(new UnknownHostException());

        assertNull(nbtAddress.nextCalledName(mockContext));
        verify(mockNameServiceClient).getNodeStatus(nbtAddress);
    }

    @Test

        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockConfig.getLanManCompatibility()).thenReturn(3);
        when(mockTransport.getServerEncryptionKey()).thenThrow(new RuntimeException("Test exception"));

        assertThrows(SmbException.class, () -> new SMB1SigningDigest(mockTransport, mockAuth));
    }

    @Test
    @DisplayName("Test update method with valid data")

        void testEncodeWithException() {
            CreateContextRequest request = mock(CreateContextRequest.class);
            byte[] buffer = new byte[100];
            when(request.encode(any(byte[].class), anyInt())).thenThrow(new RuntimeException("Test error"));

            assertThrows(RuntimeException.class, () -> request.encode(buffer, 0));
        }
    }

    @Nested
    @DisplayName("Test Implementation Tests")