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")

            // Given
            byte[] buffer = new byte[100];
            when(mockAllocInfo.decode(any(byte[].class), anyInt(), anyInt()))
                    .thenThrow(new jcifs.internal.SMBProtocolDecodingException("Test error"));

            // When & Then
            assertThrows(jcifs.internal.SMBProtocolDecodingException.class, () -> mockAllocInfo.decode(buffer, 0, buffer.length));

        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")

        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