serverSocket?.closeQuietly()
  }

  override fun toString(): String = "MockHttp2Peer[$port]"

  private class OutFrame(
    val sequence: Int,
    val start: Long,
    val truncated: Boolean,
  )

  class InFrame(val sequence: Int, val reader: Http2Reader) : Http2Reader.Handler {
    @JvmField var type = -1
    var clearPrevious = false

    @JvmField var outFinished = false

 *    124 : Mapped inline to the sequence: [b2, b3].
 *    125 : Mapped inline to the sequence: [b2a, b3].
 *    126 : Mapped inline to the sequence: [b2, b3a].
 *    127 : Mapped inline to the sequence: [b2a, b3a].
 *
 * The range goes until the beginning of the next range.
 *
 * When b2 and b3 are unused, their values are set to 0x2d ('-').
 *
 * Section Index (1,240 bytes)
 * ===========================
 *

    proxySelector.proxies.add(proxyB)
    val routeSelector = newRouteSelector(address)
    proxySelector.assertRequests(address.url.toUri())

    // First try the IP addresses of the first proxy, in sequence.
    assertThat(routeSelector.hasNext()).isTrue()
    dns[PROXY_A_HOST] = dns.allocate(2)
    val selection1 = routeSelector.next()

    }
  }

  /**
   * Artificially stall until manually resumed by the test thread with [runTasks]. Use this to
   * simulate races in tasks that doesn't have a deterministic sequence.
   */
  fun yield() {
    taskRunner.assertThreadDoesntHoldLock()
    taskRunner.lock.withLock {
      yieldUntil()
    }
  }

  /** Process the queue until [condition] returns true. */

import okio.Sink
import okio.Timeout
import okio.buffer
import okio.sink
import okio.source

/**
 * A scriptable web server. Callers supply canned responses and the server replays them upon request
 * in sequence.
 */
@ExperimentalOkHttpApi
class MockWebServer : Closeable {
  private val taskRunnerBackend =
    TaskRunner.RealBackend(
      threadFactory("MockWebServer TaskRunner", daemon = false),
    )

      // This guarantees a deterministic sequence when handling the canceled request:
      // 1. Server reads request and dequeues first response
      // 2. Client cancels request
      // 3. Server tries to send response on the canceled stream
      // Otherwise, there is no guarantee for the sequence. For example, the server may use the

     *   to decrease request latency, but these connections will occasionally time out.
     *
     * * **Unreachable proxy servers.** A [ProxySelector] can be used to
     *   attempt multiple proxy servers in sequence, eventually falling back to a direct
     *   connection.
     *
     * Set this to false to avoid retrying requests when doing so is destructive. In this case the

        .url(server.url("/"))
        .method("POST", requestBody2)
        .build()
    val response2 = client.newCall(request2).execute()
    assertThat(response2.code).isEqualTo(200)

    // Use sequence numbers to confirm the connection was pooled.
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
  }

  @Test

   * fully acquired it.
   *
   * This test yields threads to force the decision of plan1 to be deliberate and not lucky. In
   * particular, we set up this sequence of events:
   *
   *  1. take plan 0
   *  3. plan 0 connects
   *  4. finish taking plan 1
   *
   * https://github.com/square/okhttp/issues/7152
   */
  @Test
  fun reusePlanAndNewConnectRace() {