peer.acceptFrame() // HEADERS STREAM 3
    peer.sendFrame().windowUpdate(3, 5)
    peer.acceptFrame() // DATA STREAM 3 "abcde"
    peer.sendFrame().windowUpdate(3, 5)
    peer.acceptFrame() // DATA STREAM 3 "fghi"
    peer.play()

    // Play it back.
    val connection = connect(peer)
    connection.writePingAndAwaitPong() // Ensure the SETTINGS have been received.

    //     Say we are rotating abcdefgh by 5. We start with abcde|fgh. The smaller block is [fgh]:
    //     [abc]de|[fgh] -> [fgh]de|[abc]. Now [fgh] is in the right place, but we need to swap [de]
    //     with [abc]: fgh[de]|a[bc] -> fgh[bc]|a[de]. Now we need to swap [a] with [bc]:
    //     fgh[b]c|[a]de -> fgh[a]c|[b]de. Finally we need to swap [c] with [b]:
    //     fgha[c]|[b]de -> fgha[b]|[c]de. Because these two blocks are the same size, we are done.

    response.body.close()
  }

  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun noDefaultContentLengthOnStreamingPost(protocol: Protocol) {
    setUp(protocol)
    val postBytes = "FGHIJ".toByteArray()
    server.enqueue(MockResponse(body = "ABCDE"))
    val call =
      client.newCall(
        Request(
          url = server.url("/foo"),
          body =
            object : RequestBody() {

    server.enqueue(MockResponse(body = "abc"))
    server.enqueue(MockResponse(body = "def"))
    server.enqueue(MockResponse(body = "ghi"))
    executeSynchronously("/a").assertBody("abc")
    executeSynchronously("/b").assertBody("def")
    executeSynchronously("/c").assertBody("ghi")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(1)

    server.enqueue(MockResponse(body = "ABC"))
    server.enqueue(MockResponse(body = "DEF"))
    server.enqueue(MockResponse(body = "GHI"))
    assertContent("ABC", getResponse(newRequest("/")))
    assertContent("DEF", getResponse(newRequest("/")))
    assertContent("GHI", getResponse(newRequest("/")))
    assertThat(hostnameVerifier.calls)
      .isEqualTo(listOf("verify " + server.hostName))

      expectedResponseCode = 200
      server.enqueue(
        MockResponse
          .Builder()
          .setHeader("Cache-Control", "no-store")
          .body("FGHIJ")
          .build(),
      )
    }
    server.start()
    val request =
      Request
        .Builder()
        .url(server.url("/"))
        .method(method, null)
        .build()