String key = entry.getKey();
            int lastUnderscore = key.lastIndexOf('_');
            if (lastUnderscore > 0) {
                try {
                    long window = Long.parseLong(key.substring(lastUnderscore + 1));
                    return window < currentWindow - 2; // Keep current and previous window
                } catch (NumberFormatException e) {
                    return true; // Remove invalid entries

        if (length <= 0) {
            return StringUtils.EMPTY;
        }
        if (length >= buf.length()) {
            return buf.toString();
        }
        return buf.substring(buf.length() - length, buf.length());
    }

	done         bool      // Scan has finished.
}

// SplitFunc is the signature of the split function used to tokenize the
// input. The arguments are an initial substring of the remaining unprocessed
// data and a flag, atEOF, that reports whether the [Reader] has no more data
// to give. The return values are the number of bytes to advance the input

                if (i < 0) {
                    share = canon.substring(1);
                    unc = "\\";
                } else if (i == o) {
                    share = canon.substring(1, i);
                    unc = "\\";
                } else {
                    share = canon.substring(1, i);
                    unc = canon.substring(i, out[o] == '/' ? o : o + 1);
                    unc = unc.replace('/', '\\');

            <li>{@code substring(string, start, [end])}: Returns a substring of the given string.</li>
            <li>{@code indexOf(string, substring)}: Returns the index of the first occurrence of substring in string, or -1 if not found.</li>
            <li>{@code contains(string, substring)}: Checks if the string contains the substring.</li>

        // Given
        int securityMode = Integer.decode(securityModeHex);
        int capabilities = (int) Long.parseLong(capabilitiesHex.substring(2), 16);
        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, 0, null);
        byte[] buffer = new byte[512];

        // When
        req.encode(buffer, 0);

        // Number of names
        src[srcIndex] = (byte) numNames;

        // Fill in name entries
        for (int i = 0; i < numNames; i++) {
            String name = String.format("NAME%02d          ", i).substring(0, 16);
            System.arraycopy(name.getBytes("US-ASCII"), 0, src, srcIndex + 1 + (i * 18), 16);
            src[srcIndex + 1 + (i * 18) + 15] = (byte) i; // Different hex codes

     */
    protected RequestData getDuplicateUrl(final RequestData requestData) {
        final String url = requestData.getUrl();
        if (url.endsWith("/")) {
            requestData.setUrl(url.substring(0, url.length() - 1));
        } else {
            requestData.setUrl(url + "/");
        }
        return requestData;
    }

    /**

                String server = authorityServerName;
                final int dot = server.indexOf('.');
                if (dot > 0 && !Character.isDigit(server.charAt(0))) {
                    server = server.substring(0, dot);
                }
                try (LsaPolicyHandle policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800)) {
                    resolveSids(handle, policyHandle, sids);
                }

            "0x08, Invalid" })
    void testGetApplyToText(String flagsHex, String expectedText) {
        ace.flags = Integer.parseInt(flagsHex.substring(2), 16);
        assertEquals(expectedText, ace.getApplyToText());
    }

    @Test
    @DisplayName("Test toString format for allow ACE")
    void testToStringAllowACE() throws SmbException {