* application. The tuning parameters in this pool are subject to change in future OkHttp releases.
 * Currently this pool holds up to 5 idle connections which will be evicted after 5 minutes of
 * inactivity.
 */
class ConnectionPool internal constructor(
  internal val delegate: RealConnectionPool,
) {
  internal constructor(
    maxIdleConnections: Int = 5,
    keepAliveDuration: Long = 5,
    timeUnit: TimeUnit = TimeUnit.MINUTES,

      }

    return copy(certificatePinner = newCertificatePinner)
  }

  override fun withConnectionPool(connectionPool: ConnectionPool): Interceptor.Chain {
    check(exchange == null) { "connectionPool can't be adjusted in a network interceptor" }

    return copy(connectionPool = connectionPool)
  }

  override fun call(): Call = call

  override fun request(): Request = request

    assertConnectionNotReused(request, request)
  }

  @Test
  fun connectionsAreNotReusedIfPoolIsSizeZero() {
    client =
      client
        .newBuilder()
        .connectionPool(ConnectionPool(0, 5, TimeUnit.SECONDS))
        .build()
    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val request = Request(server.url("/"))

    }

    object ConnectionPoolOverride : Override<ConnectionPool> {
      override fun Interceptor.Chain.value(): ConnectionPool = connectionPool

      override fun Interceptor.Chain.withOverride(value: ConnectionPool): Interceptor.Chain = withConnectionPool(value)

      override fun OkHttpClient.Builder.withOverride(value: ConnectionPool): OkHttpClient.Builder = connectionPool(value)

This logs task enqueues, starts, and finishes.

```
[2020-01-01 00:00:00] Q10000 scheduled after   0 µs: OkHttp ConnectionPool
[2020-01-01 00:00:00] Q10000 starting              : OkHttp ConnectionPool
[2020-01-01 00:00:00] Q10000 run again after 300 s : OkHttp ConnectionPool
[2020-01-01 00:00:00] Q10000 finished run in   1 ms: OkHttp ConnectionPool
[2020-01-01 00:00:00] Q10001 scheduled after   0 µs: OkHttp squareup.com applyAndAckSettings

  private var client: OkHttpClient =
    OkHttpClient
      .Builder()
      .sslSocketFactory(
        handshakeCertificates.sslSocketFactory(),
        handshakeCertificates.trustManager,
      ).connectionPool(ConnectionPool(0, 1, TimeUnit.SECONDS))
      .build()

  private val server =
    MockWebServer()

  @Test
  fun testHttpsRequest() {
    server.useHttps(handshakeCertificates.sslSocketFactory())

    /**
     * Returns the [ConnectionPool] for the OkHttpClient, or an override from the Call.Chain.
     */
    val connectionPool: ConnectionPool

    /**
     * Returns a new chain with the specified [ConnectionPool].
     */
    fun withConnectionPool(connectionPool: ConnectionPool): Chain

    val eventListener: EventListener
  }

      }
    }

    return references.size
  }

  fun scheduleCloser() {
    cleanupQueue.schedule(cleanupTask)
  }

  companion object {
    fun get(connectionPool: ConnectionPool): RealConnectionPool = connectionPool.delegate
  }

          taskRunner = taskRunner,
          connectionPool = connectionPool,
          route = route,
          rawSocket = rawSocket,
          javaNetSocket = javaNetSocket!!,
          handshake = handshake,
          protocol = protocol!!,
          socket = socket,
          pingIntervalMillis = pingIntervalMillis,
          connectionListener = connectionPool.connectionListener,
        )

      }
  }

  @Test
  fun connectionPool() {
    var connectionPool = ConnectionPool()
    connectionPool = ConnectionPool(0, 0L, TimeUnit.SECONDS)
    val idleConnectionCount: Int = connectionPool.idleConnectionCount()
    val connectionCount: Int = connectionPool.connectionCount()
    connectionPool.evictAll()
  }

  @Test
  fun connectionSpec() {