return b == addressOffset + 4
}

/** Encodes an IPv6 address in canonical form according to RFC 5952. */
internal fun inet6AddressToAscii(address: ByteArray): String {
  // Go through the address looking for the longest run of 0s. Each group is 2-bytes.
  // A run must be longer than one group (section 4.2.2).
  // If there are multiple equal runs, the first one must be used (section 4.2.3).

          else -> {
            readyTask = candidate
          }
        }
      }

      // Implement the decision.
      when {
        // We have a task ready to go. Get ready.
        readyTask != null -> {
          beforeRun(readyTask)

          // Also start another thread if there's more work or scheduling to do.

}

/**
 * Returns true if new reads and writes should be attempted on this.
 *
 * Unfortunately Java's networking APIs don't offer a good health check, so we go on our own by
 * attempting to read with a short timeout. If the fails immediately we know the socket is
 * unhealthy.
 *
 * @param source the source used to read bytes from the socket.
 */

http://\ufdd0zyx.com

# ...This is the same as previous but escaped.
http://%ef%b7%90zyx.com

# Test name prepping, fullwidth input should be converted to ASCII and NOT
# IDN-ized. This is "Go" in fullwidth UTF-8/UTF-16.
http://\uff27\uff4f.com  s:http p:/ h:go.com

# URL spec forbids the following.
# https://www.w3.org/Bugs/Public/show_bug.cgi?id=24257
http://\uff05\uff14\uff11.com
http://%ef%bc%85%ef%bc%94%ef%bc%91.com

     * 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
     * with Chrome's behavior (which also experimentally seems to match what IE does), but if you
     * actually want to have a good chance of things working, please avoid double-quotes, newlines,

    assertThat("::13.1.68.3".canParseAsIpAddress()).isTrue()
    assertThat("::FFFF:129.144.52.38".canParseAsIpAddress()).isTrue()

    // Hostnames
    assertThat("go".canParseAsIpAddress()).isFalse()
    assertThat("localhost".canParseAsIpAddress()).isFalse()
    assertThat("squareup.com".canParseAsIpAddress()).isFalse()
    assertThat("www.nintendo.co.jp".canParseAsIpAddress()).isFalse()

    ): String? {
      var low = 0
      var high = size
      var match: String? = null
      while (low < high) {
        var mid = (low + high) / 2
        // Search for a '\n' that marks the start of a value. Don't go back past the start of the
        // array.
        while (mid > -1 && this[mid] != '\n'.code.toByte()) {
          mid--
        }
        mid++

        // Now look for the ending '\n'.

  companion object {
    /** Returns true if [response] can be stored to later serve another request. */
    fun isCacheable(
      response: Response,
      request: Request,
    ): Boolean {
      // Always go to network for uncacheable response codes (RFC 7231 section 6.1), This
      // implementation doesn't support caching partial content.
      when (response.code) {
        HTTP_OK,
        HTTP_NOT_AUTHORITATIVE,

          // the application reads the data. If we throw this prior to updating the connection
          // flow-control window, we risk having it go to 0 preventing the server from sending data.
          throw errorExceptionToDeliver!!
        }

        return -1L // This source is exhausted.
      }
    }

    if (mostRecentTrimFailed || mostRecentRebuildFailed) {
      // The OS has become our enemy! If the trim job failed, it means we are storing more data than
      // requested by the user. Do not allow edits so we do not go over that limit any further. If
      // the journal rebuild failed, the journal writer will not be active, meaning we will not be
      // able to record the edit, causing file leaks. In both cases, we want to retry the clean up