}
      remainingByteCount -= toRead
      receivedByteCount += byteCount
    }

    @Throws(IOException::class)
    override fun flush() {
    }

    override fun timeout(): Timeout = Timeout.NONE

    @Throws(IOException::class)
    override fun close() {
    }
  }

  /** Processes HTTP requests layered over HTTP/2. */
  private inner class Http2SocketHandler(

  operator fun set(
    hostname: String,
    addresses: List<InetAddress>,
  ): FakeDns {
    hostAddresses[hostname] = addresses
    return this
  }

  /** Clears the results for `hostname`.  */
  fun clear(hostname: String): FakeDns {
    hostAddresses.remove(hostname)
    return this
  }

  @Throws(UnknownHostException::class)
  fun lookup(
    hostname: String,
    index: Int,

    fun verify(
      hostname: String?,
      session: SSLSession?,
    ): Boolean = true

    override fun verify(
      certs: Array<out X509Certificate>?,
      hostname: String?,
      session: SSLSession?,
    ): Boolean = true
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? = null

  override fun configureTlsExtensions(

    fun isKotlinInternal(ctMember: CtMember): Boolean =
        if (Modifier.isPrivate(ctMember.modifiers)) false
        else hasAttribute(ctMember, AttributePredicate.visibility(Visibility.INTERNAL))

    fun isKotlinOperatorFunction(ctMethod: CtMethod): Boolean =
        hasAttribute(ctMethod, AttributePredicate.functionAttribute(KmFunction::isOperator))

    fun isKotlinInfixFunction(ctMethod: CtMethod): Boolean =

        .newClientBuilder()
        .cache(cache)
        .cookieJar(JavaNetCookieJar(cookieManager))
        .build()
  }

  @AfterEach
  fun tearDown() {
    ResponseCache.setDefault(null)
    if (this::cache.isInitialized) {
      cache.delete()
    }
  }

  @Test
  fun corruptedCipher() {
    val response =
      testCorruptingCache {
        corruptMetadata {
          // mess with cipher suite

internal class UnreadableResponseBody(
  private val mediaType: MediaType?,
  private val contentLength: Long,
) : ResponseBody(),
  Source {
  override fun contentType() = mediaType

  override fun contentLength() = contentLength

  override fun source() = buffer()

  override fun read(
    sink: Buffer,
    byteCount: Long,
  ): Long =
    throw IllegalStateException(
      """

    )

  @JvmStatic // Despite being 'internal', this method is called by popular 3rd party SDKs.
  fun permitsRequestBody(method: String): Boolean = !(method == "GET" || method == "HEAD")

  fun redirectsWithBody(method: String): Boolean = method == "PROPFIND"

  fun redirectsToGet(method: String): Boolean = method != "PROPFIND"

  fun isCacheable(requestMethod: String): Boolean = requestMethod == "GET" || requestMethod == "QUERY"

      if (byteCount > length) writeContinuationFrames(streamId, byteCount - length)
    }
  }

  @Throws(IOException::class)
  fun flush() {
    withLock {
      if (closed) throw IOException("closed")
      sink.flush()
    }
  }

  @Throws(IOException::class)
  fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    withLock {
      if (closed) throw IOException("closed")

    )
  }

  @Test fun singleIpv6() {
    val result = reorderForHappyEyeballs(listOf(ipv6_ab))

    assertThat(result).isEqualTo(
      listOf(ipv6_ab),
    )
  }

  @Test fun singleIpv4() {
    val result = reorderForHappyEyeballs(listOf(ipv4_10_0_0_6))

    assertThat(result).isEqualTo(
      listOf(ipv4_10_0_0_6),
    )
  }

  @Test fun prioritiseIpv6() {

          .toDouble(),
      ).isCloseTo(elapsedMs.toDouble(), 100.0)
    }

    return result
  }

  fun recordedEventTypes() = eventSequence.map { it::class }

  fun clearAllEvents() {
    while (eventSequence.isNotEmpty()) {
      takeEvent()
    }
  }

  internal fun logEvent(e: CallEvent) {
    for (lock in forbiddenLocks) {
      assertThat(Thread.holdsLock(lock), lock.toString()).isFalse()