// Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK
    peer.sendFrame().ping(false, 2, 3)
    peer.acceptFrame() // PING
    peer.play()

    // Play it back.
    connect(peer)

    // Verify the peer received what was expected.
    val ping = peer.takeFrame()
    assertThat(ping.type).isEqualTo(Http2.TYPE_PING)
    assertThat(ping.streamId).isEqualTo(0)

configuration history is [tracked here](../security/tls_configuration_history.md).

Applications expected to be installed on older Android devices should consider adopting the
[Google Play Services’ ProviderInstaller][provider_installer]. This will increase security for users
and increase connectivity with web servers.

### Certificate Pinning ([.kt][CertificatePinningKotlin], [.java][CertificatePinningJava])

    while (true) {
      if (routePlanner.isCanceled()) throw IOException("Canceled")

      try {
        val plan = routePlanner.plan()

        if (!plan.isReady) {
          val tcpConnectResult = plan.connectTcp()
          val connectResult =
            when {
              tcpConnectResult.isSuccess -> plan.connectTlsEtc()
              else -> tcpConnectResult
            }

      } catch (cnfe: ClassNotFoundException) {
        println("Missing test class: $cnfe")
        null
      }
    }
}

/**
 * Builds a Junit Test Plan request for a fixed set of classes, or potentially a recursive package.
 */
fun buildRequest(selectors: List<DiscoverySelector>): LauncherDiscoveryRequest {
  val request: LauncherDiscoveryRequest =

    fullBuffer.read(bytesOut, lastFrame.start + length)
    outFrames.add(OutFrame(lastFrame.sequence, lastFrame.start, true))
    return writer
  }

  fun takeFrame(): InFrame = inFrames.take()

  fun play() {
    check(serverSocket == null)
    serverSocket = ServerSocket()
    serverSocket!!.reuseAddress = false
    serverSocket!!.bind(InetSocketAddress("localhost", 0), 1)
    port = serverSocket!!.localPort

pink

// pioneer : 2015-07-16 Pioneer Corporation
pioneer

// pizza : 2014-06-26 Binky Moon, LLC
pizza

// place : 2014-04-24 Binky Moon, LLC
place

// play : 2015-03-05 Charleston Road Registry Inc.
play

// playstation : 2015-07-02 Sony Interactive Entertainment Inc.
playstation

// plumbing : 2013-09-10 Binky Moon, LLC
plumbing

// plus : 2015-02-05 Binky Moon, LLC

nativeImageSvm = { module = "org.graalvm.nativeimage:svm", version.ref = "graalvm" }
openjsse = "org.openjsse:openjsse:1.1.14"
playservices-safetynet = "com.google.android.gms:play-services-safetynet:18.0.1"
robolectric-android = "org.robolectric:android-all:14-robolectric-10818077"
robolectric = "org.robolectric:robolectric:4.12.1"

pinoko.jp pioneer pippu.hokkaido.jp pisa.it pistoia.it pisz.pl pittsburgh.museum piw.gov.pl pixolino.com pizza pk pl pl.eu.org pl.ua place planetarium.museum plantation.museum plants.museum platform0.app platter-app.com platter-app.dev platterp.us play playstation playstation-cloud.com plaza.museum plc.co.im plc.ly plc.uk plesk.page pleskns.com plo.ps plumbing plurinacional.bo plus pm pmn.it pn pn.it pnc po.gov.pl po.it poa.br podhale.pl podlasie.pl podzone.net podzone.org pohl point2this.com pointto.us...

    }

    taskFaker.runTasks()
    assertEvents(
      "take plan 0",
      "plan 0 TCP connecting...",
      "plan 0 TCP connected",
      "plan 0 TLS connecting...",
      "plan 0 needs follow-up",
      "plan 1 TCP connecting...",
      "plan 1 TCP connected",
      "plan 1 TLS connecting...",
      "plan 1 TLS connected",
    )

    taskFaker.assertNoMoreTasks()
  }

  /**

 * limitations under the License.
 */
package okhttp3.internal.connection

/** Reuse a connection from the pool. */
internal class ReusePlan(
  val connection: RealConnection,
) : RoutePlanner.Plan {
  override val isReady = true

  override fun connectTcp() = error("already connected")

  override fun connectTlsEtc() = error("already connected")

  override fun handleSuccess() = connection