// When even alignment (offset 2), Unicode string starts immediately
            assertTrue(bytesWritten >= 8); // "Test" in Unicode + null terminator
            // First byte should be 'T' in UTF-16LE
            assertEquals(0x54, buffer[2] & 0xFF);
        }

        @Test
        @DisplayName("Test read string with odd Unicode alignment")
        void testReadStringUnicodeAlignment() {

        assertEquals(expectedNextEntryOffset, fileBothDirectoryInfo.getNextEntryOffset());
    }

    @Test
    @DisplayName("Test decode with Unicode filename")
    void testDecodeWithUnicodeFilename() throws SMBProtocolDecodingException {
        // Prepare test data with Unicode filename
        String expectedFilename = "日本語ファイル.txt";
        byte[] buffer = createValidBuffer(expectedFilename, "~1.TXT", true);

        // Decode

        }
    }

    @Nested
    @DisplayName("Unicode String Tests")
    class UnicodeStringTests {

        @Test
        @DisplayName("Should encode unicode string with null buffer correctly")
        void testUnicodeStringEncodeNullBuffer() throws NdrException {
            // Given: A unicode string with null buffer
            rpc.unicode_string unicodeString = new rpc.unicode_string();

    /** Receive buffer size in bytes */
    int RCV_BUF_SIZE = Config.getInt("jcifs.smb1.smb.client.rcv_buf_size", DEFAULT_RCV_BUF_SIZE);
    /** Whether to use Unicode strings */
    boolean USE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", true);
    /** Whether to force Unicode usage */
    boolean FORCE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", false);
    /** Whether to use NT status codes */

        // OEM flag should not be set when default is Unicode
        assertFalse((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

        // When OEM flag is passed, it gets OR'd with default flags
        // Since mockConfig.isUseUnicode() returns true, default flags include UNICODE
        assertTrue((oemType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *
 * <p>As there are important reasons, including potential security issues, to handle Unicode
 * correctly if you are considering implementing a new escaper you should favor using UnicodeEscaper
 * wherever possible.
 *

 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *
 * <p>As there are important reasons, including potential security issues, to handle Unicode
 * correctly if you are considering implementing a new escaper you should favor using UnicodeEscaper
 * wherever possible.
 *

        @DisplayName("Round-trip encoding/decoding should preserve string content")
        void testRoundTripConversion() {
            // Given
            String[] testStrings = { "Simple ASCII", "Unicode: 世界 🌍", "Mixed: ASCII + Unicode ñöt", "Special chars: !@#$%^&*()", "" };

            for (String original : testStrings) {
                // When - round trip through UNI encoding

        assertEquals((byte) 0x04, dst[secondBufferFormatIndex]);
    }

    /**
     * Test writeBytesWireFormat with Unicode encoding
     */
    @Test
    @DisplayName("Test writeBytesWireFormat writes file names correctly in Unicode")
    public void testWriteBytesWireFormatUnicode() throws Exception {
        // Given
        String oldFileName = "oldFile.txt";

     * @param dstIndex the starting offset in the buffer
     * @param unicode true to use Unicode encoding, false for OEM encoding
     * @return the number of bytes written
     */
    protected int writeString(final String str, final byte[] dst, int dstIndex, final boolean unicode) {
        final int start = dstIndex;
        if (unicode) {
            // Unicode requires word alignment