}

    int writeString(final String str, final byte[] dst, int dstIndex, final boolean useUnicode) {
        final int start = dstIndex;

        try {
            if (useUnicode) {
                // Unicode requires word alignment
                if ((dstIndex - headerStart) % 2 != 0) {
                    dst[dstIndex++] = (byte) '\0';
                }

   *   <li>{@code safeMax == Character.MAX_VALUE}
   *   <li>{@code unsafeReplacement == null}
   * </ul>
   *
   * <p>For performance reasons escapers created by this builder are not Unicode aware and will not
   * validate the well-formedness of their input.
   */
  public static Builder builder() {
    return new Builder();
  }

  /**
   * A builder for simple, fast escapers.
   *

    }

    @Test
    @DisplayName("Should handle Unicode characters in delimiter")
    void testJoinWithUnicodeDelimiter() {
        String result = StringUtil.join("→", "left", "right");
        assertEquals("left→right", result);
    }

    @Test
    @DisplayName("Should handle Unicode characters in elements")
    void testJoinWithUnicodeElements() {

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

    public void test_unicodeCharactersInMessage() {
        // Test with Unicode characters in message
        String message = "LDAP設定エラー: 接続失敗 🚫 ñ é ü ß";
        LdapConfigurationException exception = new LdapConfigurationException(message);

        assertEquals(message, exception.getMessage());

     */
    int FLAGS2_PERMIT_READ_IF_EXECUTE_PERM = 0x2000;
    /**
     * Use 32-bit status codes flag.
     */
    int FLAGS2_STATUS32 = 0x4000;
    /**
     * Strings are Unicode flag.
     */
    int FLAGS2_UNICODE = 0x8000;

    /**
     * No capabilities.
     */
    int CAP_NONE = 0x0000;
    /**
     * Raw mode transfers are supported capability.
     */

        hmac.update(clientChallenge);
        hmac.digest(response, 0, 16);
        System.arraycopy(clientChallenge, 0, response, 16, 8);
        return response;
    }

    /**
     * Generate the Unicode MD4 hash for the password associated with these credentials.
     *
     * @param password the password to hash
     * @param challenge the server challenge bytes
     * @return the calculated response

        assertEquals(testString, readString);
    }

    @Test
    void testStringReadWriteUnicode() throws UnsupportedEncodingException {
        smb.useUnicode = true;
        String testString = "Hello Unicode World";
        byte[] buffer = new byte[testString.length() * 2 + 2];
        int len = smb.writeString(testString, buffer, 0);
        assertEquals(testString.length() * 2 + 2, len);

            assertEquals(expectedSize, buffer.size());
        }

        @Test
        @DisplayName("Should calculate size for Unicode characters")
        void testSizeWithUnicodeCharacters() {
            // Unicode characters still count as single chars in Java
            String path = "\\\\server\\共享\\路径";
            buffer = new DfsReferralRequestBuffer(path, 3);

        assertEquals(0, result);
    }

    /**
     * Test writeBytesWireFormat.
     */
    @Test
    void testWriteBytesWireFormat() {
        // Assuming path is ASCII and does not use unicode
        String dirName = "\testDir";
        SmbComDeleteDirectory sdd = new SmbComDeleteDirectory(dirName);
        sdd.useUnicode = false;
        // format byte + path + null terminator

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withUnicodeCharacters() {
        // Test with Unicode characters
        String message = "検索操作はサポートされていません 🔍";
        UnsupportedSearchException exception = new UnsupportedSearchException(message);

        assertEquals(message, exception.getMessage());