if (cookies.isEmpty()) return

  saveFromResponse(url, cookies)
}

/**
 * Returns true if the response headers and status indicate that this response has a (possibly
 * 0-length) body. See RFC 7231.
 */
fun Response.promisesBody(): Boolean {
  // HEAD requests never yield a body regardless of the response headers.
  if (request.method == "HEAD") {
    return false
  }

  private var headerLimit = HEADER_LIMIT.toLong()

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()

  private fun dnsResponse(s: String): MockResponse {
    return MockResponse.Builder()
      .body(Buffer().write(s.decodeHex()))
      .addHeader("content-type", "application/dns-message")
      .addHeader("content-length", s.length / 2)
      .build()
  }

  private fun buildLocalhost(
    bootstrapClient: OkHttpClient,
    includeIPv6: Boolean,
    post: Boolean = false,
  ): DnsOverHttps {

    result = 31 * result + (if (typeHint) 1 else 0)
    return result
  }

  override fun toString(): String = "$name [$tagClass/$tag]"

  /** Reads and writes values without knowledge of the enclosing tag, length, or defaults. */
  interface Codec<T> {
    fun decode(reader: DerReader): T

    fun encode(
      writer: DerWriter,
      value: T,
    )
  }

          continue // Not a header we're interested in.
        }
        val header = responseHeaders.value(i)

        // Parse each extension.
        var pos = 0
        while (pos < header.length) {
          val extensionEnd = header.delimiterOffset(',', pos)
          val extensionTokenEnd = header.delimiterOffset(';', pos, extensionEnd)
          val extensionToken = header.trimSubstring(pos, extensionTokenEnd)

      TYPE_RST_STREAM -> readRstStream(handler, length, flags, streamId)
      TYPE_SETTINGS -> readSettings(handler, length, flags, streamId)
      TYPE_PUSH_PROMISE -> readPushPromise(handler, length, flags, streamId)
      TYPE_PING -> readPing(handler, length, flags, streamId)
      TYPE_GOAWAY -> readGoAway(handler, length, flags, streamId)
      TYPE_WINDOW_UPDATE -> readWindowUpdate(handler, length, flags, streamId)

      val byteCount = hpackBuffer.size
      val length = minOf(maxFrameSize - 4L, byteCount).toInt()
      frameHeader(
        streamId = streamId,
        length = length + 4,
        type = TYPE_PUSH_PROMISE,
        flags = if (byteCount == length.toLong()) FLAG_END_HEADERS else 0,
      )
      sink.writeInt(promisedStreamId and 0x7fffffff)
      sink.write(hpackBuffer, length.toLong())

 * contains newline characters.
 */
internal fun String.indexOfNonWhitespace(startIndex: Int = 0): Int {
  for (i in startIndex until length) {
    val c = this[i]
    if (c != ' ' && c != '\t') {
      return i
    }
  }
  return length
}

fun String.toLongOrDefault(defaultValue: Long): Long {
  return try {
    toLong()
  } catch (_: NumberFormatException) {
    defaultValue

  }

  @Test fun clientIncompleteControlFrameBodyThrows() {
    data.write("8a0548656c".decodeHex()) // Length = 5, "Hel"
    assertFailsWith<EOFException> {
      clientReader.processNextFrame()
    }
  }

  @Test fun serverIncompleteMessageBodyThrows() {
    data.write("818537fa213d7f9f4d".decodeHex()) // Length = 5, "Hel"
    assertFailsWith<EOFException> {
      serverReader.processNextFrame()
    }
  }

    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun buildEmptyForm() {
    val body = FormBody.Builder().build()
    val expected = ""
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()
    body.writeTo(buffer)