assertThat(j).isEqualTo(0)
        assertThat(transferKind).isIn(TransferKind.CHUNKED, TransferKind.FIXED_LENGTH)
      }
    }
    val requestA = server.takeRequest()
    assertThat(requestA.path).isEqualTo("/a")
    val requestB = server.takeRequest()
    assertThat(requestB.path).isEqualTo("/b")
    assertThat(requestB.body.readUtf8()).isEqualTo(requestBody)
  }

    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val requestA =
      Request.Builder()
        .url(server.url("/"))
        .header("Connection", "close")
        .build()
    val requestB = Request(server.url("/"))
    assertConnectionNotReused(requestA, requestB)
  }

  @Test
  fun connectionsAreNotReusedWithResponseConnectionClose() {
    server.enqueue(

  fun tagsAreImmutable() {
    val builder =
      Request.Builder()
        .url("https://square.com")
    val requestA = builder.tag(String::class, "a").build()
    val requestB = builder.tag(String::class, "b").build()
    val requestC = requestA.newBuilder().tag(String::class, "c").build()
    assertThat(requestA.tag(String::class)).isSameAs("a")
    assertThat(requestB.tag(String::class)).isSameAs("b")

    dispatcher.maxRequests = 1
    client =
      client.newBuilder()
        .dispatcher(dispatcher)
        .build()
    val requestA = Request(server.url("/a"))
    val requestB = Request(server.url("/b"))
    val callA = client.newCall(requestA)
    val callB = client.newCall(requestB)
    server.dispatcher =
      object : mockwebserver3.Dispatcher() {
        var nextResponse = 'A'

            if (chain.request().url.encodedPath == "/b") {
              val requestA =
                Request.Builder()
                  .url(server.url("/a"))
                  .build()
              try {
                val callbackA = RecordingCallback()
                client.newCall(requestA).enqueue(callbackA)
                callbackA.await(requestA.url).assertBody("a")
              } catch (e: Exception) {

  fun tagsAreImmutable() {
    val builder =
      Request.Builder()
        .url("https://square.com")
    val requestA = builder.tag(String::class.java, "a").build()
    val requestB = builder.tag(String::class.java, "b").build()
    val requestC = requestA.newBuilder().tag(String::class.java, "c").build()
    assertThat(requestA.tag(String::class.java)).isSameAs("a")
    assertThat(requestB.tag(String::class.java)).isSameAs("b")

      MockResponse(
        body = "a",
        socketPolicy = ShutdownOutputAtEnd,
      ),
    )
    server.enqueue(MockResponse(body = "b"))

    val requestA = Request(server.url("/"))
    val responseA = client.newCall(requestA).execute()

    assertThat(responseA.body.string()).isEqualTo("a")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Give the socket a chance to become stale.