int len2 = rightPath.length();
            int lim = Math.min(len1, len2);

            int k = 0;
            while (k < lim) {
                char c1 = leftPath.charAt(k);
                char c2 = rightPath.charAt(k);
                if (c1 != c2) {
                    if (c1 == File.separatorChar) {
                        return -1;
                    }
                    if (c2 == File.separatorChar) {

    // used to store files in the binary cache with a checksum which removes
    // the leading zeros
    private String stripLeadingZeros(String checksumPart) {
        if (checksumPart.charAt(0) == '0') {
            int i = 1;
            while (checksumPart.charAt(i) == '0') {
                i++;
            }
            return checksumPart.substring(i);
        }
        return checksumPart;
    }

            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }

            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }

        int accumulatedValue = 0;
        for (int pos = 0; pos < maxPos; pos++) {
            char charInPath1 = relativePath1.charAt(pos);
            char charInPath2 = relativePath2.charAt(pos);
            int comparedChars = compareCharsIgnoringCase(charInPath1, charInPath2);
            if (comparedChars != 0) {
                return comparedChars;
            }

                return pos < str.length() && Character.isDigit(str.charAt(pos));
            }

            boolean isSeparatorAndDigit(char... separators) {
                return pos < str.length() - 1 && oneOf(separators) && Character.isDigit(str.charAt(pos + 1));
            }

            private boolean oneOf(char... separators) {
                char current = str.charAt(pos);
                for (int i = 0; i < separators.length; i++) {

        def instr = new DisconnectableInputStream(stream("abc"), toActionExecuter(executorFactory))

        assertThat((char) instr.read(), equalTo('a'.charAt(0)))
        assertThat((char) instr.read(), equalTo('b'.charAt(0)))
        assertThat((char) instr.read(), equalTo('c'.charAt(0)))
        assertThat(instr.read(), equalTo(-1))

        instr.close()
    }

    @Test
    void canReadUsingZeroLengthBuffer() {

        while(( line = br.readLine() ) != null ) {
            line = line.toUpperCase().trim();
            if( line.length() == 0 ) {
                continue;
            } else if( line.charAt( 0 ) == '#' ) {
                if( line.startsWith( "#INCLUDE " )) {
                    line = line.substring( line.indexOf( '\\' ));
                    String url = "smb1:" + line.replace( '\\', '/' );

        }
    }

    private static boolean isWindowsRootDirectory(String scheme) {
        return scheme.length() == 2 && Character.isLetter(scheme.charAt(0)) && scheme.charAt(1) == ':' && OperatingSystem.current().isWindows();
    }

    private static void convertToUrl(String notationString, NotationConvertResult<? super Object> result) {
        try {

    int utf8Length = utf16Length;
    int i = 0;

    // This loop optimizes for pure ASCII.
    while (i < utf16Length && sequence.charAt(i) < 0x80) {
      i++;
    }

    // This loop optimizes for chars less than 0x800.
    for (; i < utf16Length; i++) {
      char c = sequence.charAt(i);
      if (c < 0x800) {
        utf8Length += ((0x7f - c) >>> 31); // branch free!
      } else {