}

    @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 {

        assertEquals(original.size(), decoded.size());
        assertEquals(original.getFileInformationLevel(), decoded.getFileInformationLevel());
    }

    @Test
    @DisplayName("Test with Unicode filename")
    void testWithUnicodeFilename() {
        String unicodeFileName = "文件名.txt";
        FileRenameInformation2 info = new FileRenameInformation2(unicodeFileName, false);

        }
        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];
        }
        };
    }

    /**

    public void testEncryptDecryptUnicode() throws Exception {
        // Test with Unicode characters
        char[] plaintext = "パスワード🔐密码".toCharArray();

        byte[] encrypted = storage.encryptCredentials(plaintext);
        char[] decrypted = storage.decryptCredentials(encrypted);

        assertArrayEquals(plaintext, decrypted, "Unicode should be preserved");

        // Clean up
        Arrays.fill(plaintext, '\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());
    }

        // Test with special characters
        serverData.oemDomainName = "DOMAIN-01.LOCAL";
        assertEquals("DOMAIN-01.LOCAL", serverData.oemDomainName);

        // Test with Unicode characters
        serverData.oemDomainName = "ドメイン";
        assertEquals("ドメイン", serverData.oemDomainName);
    }

    /**
     * Test setting and getting long field (serverTime)
     */
    @Test

 */

package jcifs.smb1.ntlmssp;

/**
 * Flags used during negotiation of NTLMSSP authentication.
 */
public interface NtlmFlags {

    /**
    * Indicates whether Unicode strings are supported or used.
    */
    int NTLMSSP_NEGOTIATE_UNICODE = 0x00000001;

    /**
    * Indicates whether OEM strings are supported or used.
    */
    int NTLMSSP_NEGOTIATE_OEM = 0x00000002;

            { (byte) 'N', (byte) 'T', (byte) 'L', (byte) 'M', (byte) 'S', (byte) 'S', (byte) 'P', (byte) 0 };

    private static final String OEM_ENCODING = Config.DEFAULT_OEM_ENCODING;
    /**
     * Unicode encoding used for NTLM messages.
     */
    protected static final String UNI_ENCODING = "UTF-16LE";

    private int flags;

    /**
     * Returns the flags currently in use for this message.
     *

        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;
        }