var headerBlockLength = length
    if (flags and FLAG_PRIORITY != 0) {
      readPriority(handler, streamId)
      headerBlockLength -= 5 // account for above read.
    }
    headerBlockLength = lengthWithoutPadding(headerBlockLength, flags, padding)
    val headerBlock = readHeaderBlock(headerBlockLength, padding, flags, streamId)

    assertThat(requestedHosts).containsExactly(*expectedHosts)
    requestedHosts.clear()
  }

  /** Allocates and returns `count` fake IPv4 addresses like [255.0.0.100, 255.0.0.101].  */
  fun allocate(count: Int): List<InetAddress> {
    val from = nextAddress
    nextAddress += count
    return (from until nextAddress)
      .map {
        return@map InetAddress.getByAddress(

  }

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */
  fun maxOutboundDataLength(): Int = writer.maxDataLength()

  /** Count of frames sent or received.  */
  fun frameCount(): Int = frameCount

  fun sendFrame(): Http2Writer {
    outFrames.add(OutFrame(frameCount++, bytesOut.size, false))
    return writer
  }

  /**

  var complete = (upstream == null)

  /** The most recently read bytes from [upstream]. This is a suffix of [file]. Guarded by this. */
  val buffer = Buffer()

  /**
   * Reference count of the number of active sources reading this stream. When decremented to 0
   * resources are released and all following calls to [.newSource] return null. Guarded by this.
   */
  var sourceCount = 0

  val isClosed: Boolean

 * these three certificates are used.
 *
 * ```
 * www.squareup.com certificate:
 *
 * Common Name: www.squareup.com
 * Subject Alternative Names: www.squareup.com, squareup.com, account.squareup.com...
 * Validity: 2018-07-03T20:18:17Z – 2019-08-01T20:48:15Z
 * Public Key: d107beecc17325f55da976bcbab207ba4df68bd3f8fce7c3b5850311128264fd53e1baa342f58d93...

  }

  /**
   * Reads `count` characters from the stream. If the stream is exhausted before `count`
   * characters can be read, the remaining characters are returned and the stream is closed.
   */
  private fun readAscii(
    inputStream: InputStream,
    count: Int,
  ): String {
    val result = StringBuilder()
    for (i in 0 until count) {
      val value = inputStream.read()

    val bytes = "060229ffffff7f".decodeHex()
    assertFailsWith<ProtocolException> {
      Adapters.OBJECT_IDENTIFIER.fromDer(bytes)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("unexpected byte count at OBJECT IDENTIFIER")
    }
  }

  /**
   * ```
   * Point ::= SEQUENCE {
   *   x [0] INTEGER OPTIONAL,
   *   y [1] INTEGER OPTIONAL
   * }
   * ```
   */
  data class Point(

internal fun checkOffsetAndCount(
  arrayLength: Long,
  offset: Long,
  count: Long,
) {
  if (offset or count < 0L || offset > arrayLength || arrayLength - offset < count) {
    throw ArrayIndexOutOfBoundsException("length=$arrayLength, offset=$offset, count=$offset")
  }
}

val commonEmptyHeaders: Headers = Headers.headersOf()

    }
    var count = 0
    while (!data.exhausted()) {
      assertFailsWith<ProtocolException> {
        clientReader.processNextFrame()
      }.also { expected ->
        assertThat(expected.message!!)
          .matches(Regex("Code \\d+ is reserved and may not be used."))
      }
      count++
    }
    assertThat(count).isEqualTo(1988)
  }

      Thread.sleep(250)
      backend.shutdown()
      return@schedule -1L
    }

    assertThat(queue.idleLatch().await(500L, TimeUnit.MILLISECONDS)).isTrue()
    assertThat(queue.idleLatch().count).isEqualTo(0)
  }