* well-formed, but doesn't guarantee values are internally consistent. Callers must take care to
 * configure the factory when sample values impact the correctness of the test.
 */
class TestValueFactory : Closeable {
  var taskFaker: TaskFaker = TaskFaker()
  var taskRunner: TaskRunner = taskFaker.taskRunner
  var dns: Dns = Dns.SYSTEM
  var proxy: Proxy = Proxy.NO_PROXY

        // that happens, then we will have buffered bytes that are needed by the SSLSocket!
        // This check is imperfect: it doesn't tell us whether a handshake will succeed, just
        // that it will almost certainly fail because the proxy has sent unexpected data.
        if (source?.buffer?.exhausted() == false || sink?.buffer?.exhausted() == false) {

import okhttp3.internal.http2.Http2ConnectionTest
import okhttp3.internal.http2.MockHttp2Peer
import okhttp3.internal.http2.Settings
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Test

class ConnectionPoolTest {
  private val routePlanner = FakeRoutePlanner()
  private val factory = routePlanner.factory
  private val taskFaker = routePlanner.taskFaker
  private val peer = MockHttp2Peer()

      },
      logger = logger,
    )

  /** Runs all tasks that are ready. Used by the test thread only. */
  fun runTasks() {
    advanceUntil(nanoTime)
  }

  /** Advance the simulated clock, then runs tasks that are ready. Used by the test thread only. */
  fun advanceUntil(newTime: Long) {
    taskRunner.assertThreadDoesntHoldLock()

    taskRunner.lock.withLock {

  /**
   * HTTP/2 can have both stream timeouts (due to a problem with a single stream) and connection
   * timeouts (due to a problem with the transport). When a stream times out we don't know whether
   * the problem impacts just one stream or the entire connection.
   *
   * To differentiate the two cases we ping the server when a stream times out. If the overall
   * connection is fine the ping will receive a pong; otherwise it won't.
   *

      }

      return 0L // run again immediately to create more connections if needed
    } catch (e: IOException) {
      // No need to log, user.connectFailed() will already have been called. Just try again later.
      return state.policy.backoffDelayMillis.jitterBy(state.policy.backoffJitterMillis) * 1_000_000
    }
  }

  private fun Long.jitterBy(amount: Int): Long {

import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

@Timeout(5)
@Tag("Slow")
class Http2ConnectionTest {
  private val peer = MockHttp2Peer()
  private val taskFaker = TaskFaker()

  @AfterEach fun tearDown() {
    peer.close()
    taskFaker.close()
  }

  @Test fun serverPingsClientHttp2() {
    // Write the mocking script.

import java.net.UnknownServiceException
import kotlin.test.assertFailsWith
import okhttp3.FakeRoutePlanner
import okhttp3.FakeRoutePlanner.ConnectState.TLS_CONNECTED
import okhttp3.internal.concurrent.TaskFaker
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Test

/**
 * Unit test for [FastFallbackExchangeFinder] implementation details.
 *

import assertk.assertions.isEqualTo
import assertk.assertions.isSameAs
import java.util.concurrent.RejectedExecutionException
import kotlin.test.assertFailsWith
import okhttp3.TestLogHandler
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class TaskRunnerTest {
  private val taskFaker = TaskFaker()

  @RegisterExtension @JvmField