assertEquals("", StringUtil.substringToLast("abc", "c"));
        assertEquals("c", StringUtil.substringToLast("abc", "b"));
        assertEquals("c", StringUtil.substringToLast("abcbc", "b"));
        assertEquals("abc", StringUtil.substringToLast("abc", ""));
        assertEquals("abc", StringUtil.substringToLast("abc", null));
        assertEquals("abc", StringUtil.substringToLast("abc", "dddd"));
    }

    /**

        String text = "Test123 ABC-456";
        String field = "content";
        String lang = "en";

        List<AnalyzeToken> tokens = analyzer.analyzeAndReading(text, field, lang);

        assertNotNull(tokens);
        assertEquals(2, tokens.size()); // "Test123" and "ABC-456" (hyphen is not a split char in our tokenizer)

     * <p>
     * Usage example:
     * </p>
     *
     * <pre>
     * StringUtil.decapitalize("UserId")  = "userId"
     * StringUtil.decapitalize("ABC")     = "ABC"
     * </pre>
     *
     * @param name
     *            the string to decapitalize
     * @return the decapitalized string
     */
    public static String decapitalize(final String name) {

        void unwrapDOSFilter_returnsInnerDosFileFilter_whenWrapped() throws Exception {
            // Arrange: create a ResourceFilterWrapper that wraps a DosFileFilter
            DosFileFilter dos = new DosFileFilter("abc", 7);
            Object wrapper = newPrivateInner("ResourceFilterWrapper", new Class<?>[] { SmbFileFilter.class }, dos);
            // unwrapDOSFilter is a private static method on SmbEnumerationUtil

        SMBUtil.writeInt4(1, buffer, notifyOffset + 4);
        SMBUtil.writeInt4(6, buffer, notifyOffset + 8); // 6 bytes filename
        System.arraycopy("abc".getBytes("UnicodeLittleUnmarked"), 0, buffer, notifyOffset + 12, 6);

        // Second notification starts at aligned offset
        notifyOffset = 108; // 80 + 28
        SMBUtil.writeInt4(0, buffer, notifyOffset);

    @DisplayName("readUTF(): decodes bytes after size prefix")
    void readUTF_decodes() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        // Size prefix 3, then bytes for "abc"
        doReturn(3).when(raf).readUnsignedShort();
        doAnswer(inv -> {
            byte[] b = inv.getArgument(0);
            int off = inv.getArgument(1);
            b[off] = 'a';

        // Invalid priority
        assertFalse(sitemapsHelper.isValidPriority("-0.1"));
        assertFalse(sitemapsHelper.isValidPriority("1.1"));
        assertFalse(sitemapsHelper.isValidPriority("abc"));

        // Valid changefreq
        assertTrue(sitemapsHelper.isValidChangefreq("always"));
        assertTrue(sitemapsHelper.isValidChangefreq("hourly"));

        - name: preference
          in: query
          description: String to specify a shard for searching
          required: false
          schema:
            type: string
            example: abc
        - name: callback
          in: query
          description: Callback name for using JSONP
          required: false
          schema:
            type: string
      responses:
        '200':

        assertTrue(robotsTxt.allows("/anything", "AnyBot"));
    }

    public void testParse_malformedCrawlDelay() {
        String robotsTxtContent = "User-agent: TestBot\n" + "Crawl-delay: abc\n" + "Disallow: /test/\n";

        RobotsTxt robotsTxt;
        final InputStream in = new java.io.ByteArrayInputStream(robotsTxtContent.getBytes());
        try {
            robotsTxt = robotsTxtHelper.parse(in);

            fail();
        } catch (CrawlingAccessException e) {
            // ignore
        }

        try {
            ftpInfo = new FtpClient.FtpInfo("abc", Constants.UTF_8);
            fail();
        } catch (CrawlingAccessException e) {
            // ignore
        }

        value = "ftp://123.123.123.123:9999/";