assertEquals("", emptyMailEnv.getMailSubjectTestPrefix());
        assertEquals("", emptyMailEnv.getMailReturnPath());

        // Test with special characters
        FessEnv.SimpleImpl specialMailEnv = new FessEnv.SimpleImpl() {
            protected Properties prepareProperties() {
                Properties props = new Properties();

     * Set the referral data from a referral response
     *
     * @param ref the referral response
     * @param reqPath the requested path
     * @param expire the expiration time
     * @param consumed the number of characters consumed from the path
     * @return referral data
     */
    public static DfsReferralDataImpl fromReferral(final Referral ref, final String reqPath, final long expire, final int consumed) {

          } else {
            evictToRecoverBytes(dynamicTableByteCount - maxDynamicTableByteCount)
          }
        }
      }
    }

  /**
   * An HTTP/2 response cannot contain uppercase header characters and must be treated as
   * malformed.
   */
  @Throws(IOException::class)
  fun checkLowercase(name: ByteString): ByteString {
    for (i in 0 until name.size) {

    private val DASHDASH = byteArrayOf('-'.code.toByte(), '-'.code.toByte())

    /**
     * Appends a quoted-string to a StringBuilder.
     *
     * RFC 2388 is rather vague about how one should escape special characters in form-data
     * parameters, and as it turns out Firefox and Chrome actually do rather different things, and
     * both say in their comments that they're not really sure what the right approach is. We go

        assertEquals(1, readings.size());
        assertEquals("TEST", readings.get(0));
    }

    @Test
    public void testConvertWithSpecialCharacters() throws IOException {
        // Test convert with special characters
        converter.init();
        String text = "test@#$%123";
        String field = "content";

        List<String> readings = converter.convert(text, field, "en");

        assertNotNull(readings);

        assertEquals("", chain.changePasswordCalls.get(0).getKey());
        assertEquals("", chain.changePasswordCalls.get(0).getValue());
    }

    // Test changePassword with special characters
    public void test_changePassword_specialCharacters() {
        TestAuthenticationChain chain = new TestAuthenticationChain();
        chain.changePasswordResult = true;

        // Each should be a different instance
        assertNotSame(provider1, provider2);
        assertNotSame(provider2, provider3);
        assertNotSame(provider1, provider3);
    }

    // Test with special characters in time adjustment string
    public void test_specialCharactersInTimeAdjustment() {
        FessConfig specialConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

        GsaConfigParser parser = new GsaConfigParser();

        parser.startDocument();

        char[] chars = "test".toCharArray();
        parser.characters(chars, 0, chars.length);

        parser.endDocument();
    }

	} else {
		// Check if group already exists
		if _, gerr := globalIAMSys.GetGroupDescription(updReq.Group); gerr != nil {
			// If group does not exist, then check if the group has beginning and end space characters
			// we will reject such group names.
			if errors.Is(gerr, errNoSuchGroup) && hasSpaceBE(updReq.Group) {
				writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminResourceInvalidArgument), r.URL)
				return
			}

        assertNotNull(settings);
    }

    @Test
    public void testSpecialCharactersInIndexName() {
        // Test index name with special characters
        builder.setSettingsIndexName("Test-Index_Name.2024");
        assertEquals("test-index_name.2024", builder.settingsIndexName);

        // Test index name with spaces (should be lowercased)