server.enqueue(MockResponse())
    server.enqueue(MockResponse())
    client
      .newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      ).execute()
      .close()
    listener.removeUpToEvent<CallEnd>()
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )

        .build(),
    )

    val call1 = client.newCall(Request(server.url("/")))
    call1.execute().use { response ->
      val source = response.body.source()
      assertThat(response.header("h1")).isEqualTo("v1")
      assertThat(source.readUtf8()).isEqualTo("Hello")
      assertThat(response.trailers()).isEqualTo(headersOf("t1", "v2"))
    }

    val call2 = client.newCall(Request(server.url("/")))

  fun increasingMaxRequestsPromotesJobsImmediately() {
    dispatcher.maxRequests = 2
    client.newCall(newRequest("http://a/1")).enqueue(callback)
    client.newCall(newRequest("http://b/1")).enqueue(callback)
    client.newCall(newRequest("http://c/1")).enqueue(callback)
    client.newCall(newRequest("http://a/2")).enqueue(callback)
    client.newCall(newRequest("http://b/2")).enqueue(callback)
    dispatcher.maxRequests = 4

        .build()
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("abc")
    val request2 = Request.Builder().url(server.url("/")).build()
    val response2 = client.newCall(request2).execute()
    assertThat(response2.body.string()).isEqualTo("def")

    // The HTTP calls should share a single connection.

    server.enqueue(MockResponse(body = "b"))
    val request = Request(server.url("/"))
    val responseA = client.newCall(request).execute()
    assertThat(responseA.body.string()).isEqualTo("a")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)
    val responseB = client.newCall(request).execute()
    assertThat(responseB.body.string()).isEqualTo("b")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(1)

              val responseA = client.newCall(requestA).execute()
              assertThat(responseA.body.string()).isEqualTo("a")
            }
            chain.proceed(chain.request())
          },
        ).build()
    val requestB =
      Request
        .Builder()
        .url(server.url("/b"))
        .build()
    val responseB = client.newCall(requestB).execute()

        .put(ValidRequestBody())
        .build()
    client.newCall(request).execute().use {
      assertEquals(201, it.code)
    }

    request =
      Request
        .Builder()
        .url(endpointUrl)
        .head()
        .build()
    client.newCall(request).execute().use {
      assertEquals(204, it.code)
    }

    request =
      Request

    val request = Request.Builder().url(server.url("/")).build()

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

    client.connectionPool.evictAll()
    assertEquals(0, client.connectionPool.connectionCount())

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

  private val server = MockWebServer()

  @Test
  fun defaultConfigIsNoTimeout() {
    val request =
      Request
        .Builder()
        .url(server.url("/"))
        .build()
    val call = client.newCall(request)
    assertThat(call.timeout().timeoutNanos()).isEqualTo(0)
  }

  @Test
  fun configureClientDefault() {
    val request =
      Request
        .Builder()
        .url(server.url("/"))

    server!!.protocols = listOf(Protocol.HTTP_2, Protocol.HTTP_1_1)
    server!!.enqueue(MockResponse())
    server!!.enqueue(MockResponse())

    client
      .newCall(Request(server!!.url("/")))
      .execute()
      .close()

    client
      .newCall(Request(server!!.url("/")))
      .execute()
      .close()

    assertThat(listener.recordedEventTypes()).containsExactly(
      "ConnectStart",