.post(AsyncRequestBody())
          .build(),
      )
    assertFailsWith<ProtocolException> {
      call.execute()
    }
  }

  @Test
  fun trueDuplexClientWritesFirst() {
    enableProtocol(Protocol.HTTP_2)
    val body =
      MockStreamHandler()
        .receiveRequest("request A\n")
        .sendResponse("response B\n")
        .receiveRequest("request C\n")
        .sendResponse("response D\n")

        .dns(dns)
        .socketFactory(socketFactory)
        .eventListenerFactory(clientTestRule.wrap(listener))
        .build()
  }

  @Test
  fun http2OneBadHostOneGoodNoRetryOnConnectionFailure() {
    enableProtocol(Protocol.HTTP_2)

    val request = Request(server1.url("/"))

    server1.enqueue(refusedStream)
    server2.enqueue(bodyResponse)

    dns[server1.hostName] = listOf(ipv6, ipv4)

  fun getReturns500() {
    server.enqueue(MockResponse(code = 500))
    executeSynchronously("/")
      .assertCode(500)
      .assertNotSuccessful()
  }

  @Test
  fun get_HTTP_2() {
    enableProtocol(Protocol.HTTP_2)
    get()
  }

  @Test
  fun get_HTTPS() {
    enableTls()
    get()
  }

  @Test
  fun repeatedHeaderNames() {
    server.enqueue(
      MockResponse(

  }

  @Test
  fun serverTruncatesRequestOnLongPostHttp1() {
    serverTruncatesRequestOnLongPost(https = false)
  }

  @Test
  fun serverTruncatesRequestOnLongPostHttp2() {
    enableProtocol(Protocol.HTTP_2)
    serverTruncatesRequestOnLongPost(https = true)
  }

  private fun serverTruncatesRequestOnLongPost(https: Boolean) {
    server.enqueue(
      MockResponse(
        body = "abc",

  }

  @Test
  fun zeroLengthPost_HTTP_2() {
    enableProtocol(Protocol.HTTP_2)
    zeroLengthPost()
  }

  /** For example, creating an Amazon S3 bucket ends up as a zero-length POST.  */
  @Test
  fun zeroLengthPut() {
    zeroLengthPayload("PUT")
  }

  @Test
  fun zeroLengthPut_HTTP_2() {
    enableProtocol(Protocol.HTTP_2)
    zeroLengthPut()
  }