when(tree.getConfig()).thenReturn(config);
        when(config.getTransactionBufferSize()).thenReturn(65535);
        when(tree.send(any(Smb2IoctlRequest.class), eq(RequestParam.NO_RETRY))).thenThrow(new SmbException("boom"));

        IOException ex = assertThrows(IOException.class, stream::available, "Should convert SmbException to IOException");
        assertTrue(ex.getMessage().contains("boom"));
    }

        try (MockedStatic<KerberosEncData> mockedEncData = Mockito.mockStatic(KerberosEncData.class)) {
            mockedEncData.when(() -> KerberosEncData.decrypt(ENCRYPTED_DATA, kerberosKey, ENCRYPTION_TYPE))
                    .thenThrow(new GeneralSecurityException("Decryption error"));

            PACDecodingException e = assertThrows(PACDecodingException.class, () -> new KerberosTicket(token, (byte) 0, keys));

        when(handle.getFileId()).thenReturn(new byte[16]);
        when(tree.send(any(CommonServerMessageBlockRequest.class), any(), any(), any()))
                .thenThrow(new SmbException(0xC0000120, (Throwable) null));
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

        List<FileNotifyInformation> result = sut.watch();

    @Test
    void testWatchThrowsCIFSException() throws CIFSException {
        // Setup mock behavior
        CIFSException expectedException = new CIFSException("Watch operation failed");
        when(watchHandle.watch()).thenThrow(expectedException);

        // Execute and verify
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            watchHandle.watch();
        });

        void readSingleByteEOF() throws Exception {
            // Arrange SMB2 EOF via NT status code mapping in SmbFileInputStream
            when(mockTree.send(any(Request.class), any(RequestParam.class))).thenThrow(new SmbException(0xC0000011, false)); // STATUS_END_OF_FILE

            SmbFileInputStream in = newStream();
            int v = in.read();
            assertEquals(-1, v);
        }
    }

    @Nested

        void testDecodeException() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[100];
            when(mockFileSystemInfo.decode(any(byte[].class), anyInt(), anyInt()))
                    .thenThrow(new SMBProtocolDecodingException("Test error"));

            assertThrows(SMBProtocolDecodingException.class, () -> {
                mockFileSystemInfo.decode(buffer, 0, 100);
            });
        }
    }

    void testExceptionHandling() {
        // Given
        RuntimeException testException = new RuntimeException("Test exception");
        when(mockDelegate.getResponseTimeout()).thenThrow(testException);

        // When & Then
        RuntimeException thrownException = assertThrows(RuntimeException.class, () -> {
            delegatingConfig.getResponseTimeout();
        });

            CreateContextResponse response = mock(CreateContextResponse.class);
            byte[] buffer = new byte[100];
            when(response.decode(any(byte[].class), anyInt(), anyInt())).thenThrow(new SMBProtocolDecodingException("Test error"));

            assertThrows(SMBProtocolDecodingException.class, () -> response.decode(buffer, 0, 10));
        }
    }

    @Nested

            mockedCrypto.when(Crypto::getMD5).thenReturn(mockMd5);
            HMACT64 originalHmac = new HMACT64(TEST_KEY);

            when(mockMd5.clone()).thenThrow(new CloneNotSupportedException("Test Clone Not Supported"));

            assertThrows(IllegalStateException.class, originalHmac::clone);
        }
    }

            // 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));