return 0
		}
		if inv == 0xff {
			return ^int64(x)
		}
		return int64(x)
	}

	// Normal case is base-8 (octal) format.
	return p.parseOctal(b)
}

// formatNumeric encodes x into b using base-8 (octal) encoding if possible.
// Otherwise it will attempt to use base-256 (binary) encoding.
func (f *formatter) formatNumeric(b []byte, x int64) {
	if fitsInOctal(len(b), x) {

  }

  public void testDecodeLong() {
    assertThat(UnsignedLongs.decode("0xffffffffffffffff")).isEqualTo(0xffffffffffffffffL);
    assertThat(UnsignedLongs.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedLongs.decode("#1234567890abcdef")).isEqualTo(0x1234567890abcdefL);
    assertThat(UnsignedLongs.decode("987654321012345678")).isEqualTo(987654321012345678L);

    }
  }

  public void testDecodeInt() {
    assertThat(UnsignedInts.decode("0xffffffff")).isEqualTo(0xffffffff);
    assertThat(UnsignedInts.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedInts.decode("#12345678")).isEqualTo(0x12345678);
    assertThat(UnsignedInts.decode("76543210")).isEqualTo(76543210);
    assertThat(UnsignedInts.decode("0x13579135")).isEqualTo(0x13579135);

			// files generated by a pre-Go1.8 toolchain. If the generated file
			// happened to have a prefix field that parses as valid
			// atime and ctime fields (e.g., when they are valid octal strings),
			// then it is impossible to distinguish between a valid GNU file
			// and an invalid pre-Go1.8 file.
			//
			// See https://golang.org/issues/12594
			// See https://golang.org/issues/21005

    return (int) (toLong(dividend) % toLong(divisor));
  }

  /**
   * Returns the unsigned {@code int} value represented by the given string.
   *
   * <p>Accepts a decimal, hexadecimal, or octal number given by specifying the following prefix:
   *
   * <ul>
   *   <li>{@code 0x}<i>HexDigits</i>
   *   <li>{@code 0X}<i>HexDigits</i>
   *   <li>{@code #}<i>HexDigits</i>
   *   <li>{@code 0}<i>OctalDigits</i>

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Long#decode} to understand exactly how strings are parsed.
   * For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the value
   * {@code 83L}.
   *
   * @since 16.0
   */
  public static Converter<String, Long> stringConverter() {
    return LongConverter.INSTANCE;
  }

  /**

<code>\U</code> followed by exactly eight hexadecimal digits, and a
plain backslash <code>\</code> followed by exactly three octal digits.
In each case the value of the literal is the value represented by
the digits in the corresponding base.
</p>

<p>
Although these representations all result in an integer, they have
different valid ranges.  Octal escapes must represent a value between
0 and 255 inclusive.  Hexadecimal escapes satisfy this condition

    assertThat(parse("http://[0:0:0:0:0:1:0.0.0.0]/").host).isEqualTo("::1:0:0")
  }

  @Test
  fun hostIpv6WithIpv4SuffixWithOctalPrefix() {
    // Chrome interprets a leading '0' as octal; Firefox rejects them. (We reject them.)
    assertInvalid(
      "http://[0:0:0:0:0:1:0.0.0.000000]/",
      "Invalid URL host: \"[0:0:0:0:0:1:0.0.0.000000]\"",
    )
    assertInvalid(

				"audio/vnd.nokia.mobile-xmf",
				"audio/vnd.nortel.vbk",
				"audio/vnd.nuera.ecelp4800",
				"audio/vnd.nuera.ecelp7470",
				"audio/vnd.nuera.ecelp9600",
				"audio/vnd.octel.sbc",
				"audio/vnd.qcelp",
				"audio/vnd.rhetorex.32kadpcm",
				"audio/vnd.sealedmedia.softseal.mpeg",
				"audio/vnd.vmx.cvsd",
				"audio/vorbis-config",
				"audio/x-aac",
				"audio/x-adbcm",