// In the process we made one successful connection attempt.
    assertThat(listener.recordedEventTypes().filter { it == "ConnectStart" }).hasSize(2)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectFailed" }).hasSize(1)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectEnd" }).hasSize(1)
  }

  @Test
  fun reachesIpv6WhenIpv4IsDown() {
    serverIpv4.close()

          .build(),
      )
    val response = call.execute()
    assertThat(response.code).isEqualTo(200)
    assertThat(response.body.string()).isEqualTo("abc")
    response.body.close()
    assertThat(listener.recordedEventTypes()).containsExactly(
      "ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "ConnectionReleased",
    )
  }

  @Test
  fun failedCallEventSequence() {

    // SecureConnectEnd, ConnectFailed, CallFailed
    val recordedEventTypes = listener.recordedEventTypes()
    assertThat(recordedEventTypes).startsWith(
      "CallStart",
      "ProxySelectStart",
      "ProxySelectEnd",
      "DnsStart",
      "DnsEnd",
      "ConnectStart",
      "SecureConnectStart",
    )
    assertThat(recordedEventTypes).endsWith("CallFailed")
  }

  private fun buildClient(

    val request = newRequest("http://a/1")
    executor.shutdown()
    client.newCall(request).enqueue(callback)
    callback.await(request.url).assertFailure(InterruptedIOException::class.java)
    assertThat(listener.recordedEventTypes())
      .containsExactly("CallStart", "CallFailed")
  }

  @Test
  fun executionRejectedAfterMaxRequestsChange() {
    val request1 = newRequest("http://a/1")
    val request2 = newRequest("http://a/2")

      for (e in clientEventsList) {
        println(e)
      }
    }
  }

  fun recordedConnectionEventTypes(): List<String> = connectionListener.recordedEventTypes()

  companion object {
    /**
     * A network that resolves only one IP address per host. Use this when testing route selection

      .isEqualTo("ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")

    assertThat(cacheEvents()).containsExactly("CacheMiss")
  }

  private fun cacheEvents(): List<String> =
    eventListener.recordedEventTypes().filter { it.contains("Cache") }.also {
      eventListener.clearAllEvents()
    }

  private fun dnsResponse(s: String): MockResponse =
    MockResponse
      .Builder()

      val requestBody = (call.request().body as AsyncRequestBody?)!!.takeSink()
      requestBody.writeUtf8("request A\n")
      requestBody.close()
    }
    body.awaitSuccess()
    assertThat(listener.recordedEventTypes()).containsExactly(
      "CallStart",
      "ProxySelectStart",
      "ProxySelectEnd",
      "DnsStart",
      "DnsEnd",
      "ConnectStart",
      "SecureConnectStart",
      "SecureConnectEnd",

        "ResponseHeadersEnd",
        "FollowUpDecision",
        "ResponseBodyStart",
        "ResponseBodyEnd",
        "ConnectionReleased",
        "CallEnd",
      ),
      eventListener.recordedEventTypes(),
    )

    eventListener.clearAllEvents()

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

    assertEquals(
      listOf(

    server.close(1000, "")
    clientListener.assertClosing(1000, "")
    clientListener.assertClosed(1000, "")
    serverListener.assertClosed(1000, "")
    assertThat(listener.recordedEventTypes()).isEmpty()
  }

  @Test
  @Throws(Exception::class)
  fun callTimeoutAppliesToSetup() {
    webServer.enqueue(
      MockResponse
        .Builder()