val proxyAuthenticator: Authenticator = client.proxyAuthenticator()
    val authenticator: Authenticator = client.authenticator()
    val connectionPool: ConnectionPool = client.connectionPool()
    val dns: Dns = client.dns()
    val followSslRedirects: Boolean = client.followSslRedirects()
    val followRedirects: Boolean = client.followRedirects()

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

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

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

    // Force reuse. This appears flaky (30% of the time) even though sessions are reused.
    // javax.net.ssl.SSLHandshakeException: No new session is allowed and no existing

  private var client: OkHttpClient =
    clientTestRule
      .newClientBuilder()
      .connectionPool(ConnectionPool(connectionListener = listener))
      .fastFallback(fastFallback)
      .build()

  @BeforeEach
  fun setUp() {
    platform.assumeNotOpenJSSE()
    platform.assumeNotBouncyCastle()
    listener.forbidLock(get(client.connectionPool))
    listener.forbidLock(client.dispatcher)
  }

  @ParameterizedTest

    if (uncaughtException == null) {
      uncaughtException = throwable
    }
  }

  fun ensureAllConnectionsReleased() {
    testClient?.let {
      val connectionPool = it.connectionPool

      connectionPool.evictAll()
      if (connectionPool.connectionCount() > 0) {
        // Minimise test flakiness due to possible race conditions with connections closing.

   * [Call.request] is a redirect to a different host.
   *
   * If the [Call] is able to reuse an existing pooled connection, this method will not be invoked.
   * See [ConnectionPool].
   */
  open fun dnsStart(
    call: Call,
    domainName: String,
  ) {
  }

  /**
   * Invoked immediately after a DNS lookup.
   *
   * This method is invoked after [dnsStart].

          .source()
          .readUtf8Line()
          .also { line = it } != null
      ) {
        println(line)
      }
    } finally {
      response.body.close()
    }
    client.connectionPool.evictAll()
  }

  ): RealRoutePlanner {
    val call = RealCall(client, Request(address.url), forWebSocket = false)
    val chain = newChain(call)
    return RealRoutePlanner(
      taskRunner = client.taskRunner,
      connectionPool = client.connectionPool.delegate,
      readTimeoutMillis = client.readTimeoutMillis,
      writeTimeoutMillis = client.writeTimeoutMillis,
      socketConnectTimeoutMillis = chain.connectTimeoutMillis,

      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }

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

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)

internal fun OkHttpClient.Builder.taskRunnerInternal(taskRunner: TaskRunner) = this.taskRunner(taskRunner)

internal fun buildConnectionPool(
  connectionListener: ConnectionListener,
  taskRunner: TaskRunner,
): ConnectionPool =
  ConnectionPool(
    connectionListener = connectionListener,
    taskRunner = taskRunner,

  }

  @Test fun inUseConnectionsNotEvicted() {
    val pool = factory.newConnectionPool()
    val poolApi = ConnectionPool(pool)
    val c1 = factory.newConnection(pool, routeA1, 50L)
    val client =
      OkHttpClient
        .Builder()
        .connectionPool(poolApi)
        .build()
    val call = client.newCall(Request(addressA.url)) as RealCall