assertEquals("query:", Constants.FACET_QUERY_PREFIX);
    }

    public void test_unicode_base64_encoding() {
        // Test that unicode strings are properly encoded/decoded
        String unicodeString = "日本語テスト";
        String encoded = BaseEncoding.base64().encode(unicodeString.getBytes(StandardCharsets.UTF_8));
        String decoded = new String(BaseEncoding.base64().decode(encoded), StandardCharsets.UTF_8);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
    }

    public void test_constructor_withUnicodeMessage() {
        // Test constructor with Unicode characters in message
        final String message = "ジョブ処理エラー: 失敗しました 😱";
        final JobProcessingException exception = new JobProcessingException(message);

        assertNotNull(exception);

        String accountName = (String) getField(obj, "accountName");
        String primaryDomain = (String) getField(obj, "primaryDomain");

        // The actual implementation keeps lowercase for guest when Unicode is not enabled
        assertEquals("guest", accountName);
        assertEquals("DOM", primaryDomain);

        byte[] lm = (byte[]) getField(obj, "lmHash");
        byte[] nt = (byte[]) getField(obj, "ntHash");

            date = new Date(completeBigInt.longValue());
        }

        return date;
    }

    /**
     * Reads a PAC Unicode string structure.
     * @return the PAC Unicode string object
     * @throws IOException if an I/O error occurs
     * @throws PACDecodingException if the string structure is malformed
     */

    }

    @ParameterizedTest
    @DisplayName("Test decode with various file names")
    @CsvSource({ "a.txt", "very_long_filename_with_many_characters_to_test_buffer_handling.docx", "file with spaces.pdf", "文件.txt", // Unicode filename
            "file-with-special-chars!@#$%^&().bin" })
    void testDecodeWithVariousFileNames(String fileName) throws SMBProtocolDecodingException {

        thread.join(1000);

        String output = thread.getOutput();
        assertTrue(output.contains("Special: !@#$%^&*()"));
        assertTrue(output.contains("Unicode: \u3042\u3044\u3046"));
    }

    public void test_contains_emptyString() throws InterruptedException {
        String input = "\nempty\n";
        InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));

        }
        case 3, 4, 5 -> {
            // NTLMv2 - returns empty for unicode hash as NTLMv2 doesn't use it
            yield new byte[0];
        }
        default -> {
            // Default to NTLMv2 behavior (empty response)
            log.info("Defaulting to secure NTLMv2 authentication (no unicode hash)");
            yield new byte[0];
        }
        };
    }

    /**

        // Test constructor with message containing special characters
        String message = "GSA error: config file not found at /path/to/config.xml\n" + "Details: \"file\" does not exist\t[TAB]\r\n"
                + "Unicode: \u4E2D\u6587";
        GsaConfigException exception = new GsaConfigException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
    }

        assertTrue(thrown instanceof CIFSException, "Thrown instance should also be CIFSException subtype");
    }

    @ParameterizedTest
    @NullAndEmptySource
    @ValueSource(strings = { "hello", " ", "unicode-∑" })
    @DisplayName("Message-only constructor: preserves provided message; null cause")
    void messageOnlyConstructor_preservesMessage(String message) {
        // Arrange & Act

        final int start = bufferIndex;

        pathConsumed = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        /* Samba 2.2.8a will reply with Unicode paths even though
         * ASCII is negotiated so we must use flags2 (probably
         * should anyway).
         */
        if ((flags2 & FLAGS2_UNICODE) != 0) {
            pathConsumed /= 2;
        }