val cache = Cache(cacheFs, "cache".toPath(), (100 * 1024).toLong())
    val cachedClient = bootstrapClient.newBuilder().cache(cache).build()
    val cachedDns = buildLocalhost(cachedClient, false)

    repeat(2) {
      server.enqueue(
        dnsResponse(
          "0000818000010003000000000567726170680866616365626f6f6b03636f6d0000010001c00c000500010" +

import kotlin.test.assertFailsWith
import okhttp3.FailingCall
import okhttp3.Headers
import okhttp3.Headers.Companion.headersOf
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.TestUtil.repeat
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.ws.WebSocketExtensions.Companion.parse
import okio.ByteString.Companion.decodeHex
import okio.ByteString.Companion.encodeUtf8
import okio.Pipe

  @Test
  fun closeReasonMaximumLength() {
    webServer.enqueue(
      MockResponse.Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val clientReason = repeat('C', 123)
    val serverReason = repeat('S', 123)
    val webSocket: WebSocket = newWebSocket()
    val server = serverListener.assertOpen()
    clientListener.assertOpen()
    webSocket.close(1000, clientReason)

    taskFaker.runTasks()
  }

  private fun forceConnectionsToExpire(
    pool: RealConnectionPool,
    expireTime: Long,
  ) {
    val idleTimeNanos = expireTime + pool.keepAliveDurationNs
    repeat(pool.connectionCount()) { pool.closeConnections(idleTimeNanos) }
    taskFaker.runTasks()
  }

  private fun connectHttp2(
    peer: MockHttp2Peer,
    realConnection: RealConnection,

import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.Response
import okhttp3.Route
import okhttp3.SimpleProvider
import okhttp3.TestLogHandler
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.TestUtil.repeat
import okhttp3.TestUtil.threadFactory
import okhttp3.internal.DoubleInetAddressDns
import okhttp3.internal.EMPTY_REQUEST
import okhttp3.internal.RecordingOkAuthenticator
import okhttp3.internal.connection.RealConnection

      }

      HTTP_CLIENT_TIMEOUT -> {
        // 408's are rare in practice, but some servers like HAProxy use this response code. The
        // spec says that we may repeat the request without modifications. Modern browsers also
        // repeat the request (even non-idempotent ones.)
        if (!client.retryOnConnectionFailure) {
          // The application layer has directed us not to retry the request.
          return null

   * These interceptors must call [Interceptor.Chain.proceed] exactly once: it is an error for
   * a network interceptor to short-circuit or repeat a network request.
   */
  @get:JvmName("networkInterceptors")
  val networkInterceptors: List<Interceptor> =
    builder.networkInterceptors.toImmutableList()

  @get:JvmName("eventListenerFactory")

    formatOpcode: Int,
  ): Boolean {
    // Don't send new frames after we've failed or enqueued a close frame.
    if (failed || enqueuedClose) return false

    // If this frame overflows the buffer, reject it and close the web socket.
    if (queueSize + data.size > MAX_QUEUE_SIZE) {
      close(CLOSE_CLIENT_GOING_AWAY, null)
      return false
    }

    // Enqueue the message frame.

  /**
   * @param forObsoleteRfc2965 true to include a leading `.` on the domain pattern. This is
   *     necessary for `example.com` to match `www.example.com` under RFC 2965. This extra dot is
   *     ignored by more recent specifications.
   */
  internal fun toString(forObsoleteRfc2965: Boolean): String {
    return buildString {
      append(name)
      append('=')
      append(value)

      if (persistent) {

    // Cause the cache trim job to fail.
    filesystem.setFaultyDelete(cacheDir / "a.0", true)
    taskFaker.runNextTask()

    // An edit should now add a job to clean up if the most recent trim failed.
    assertThat(cache.edit("b")).isNull()
    taskFaker.runNextTask()

    // Confirm a successful cache trim now allows edits.
    filesystem.setFaultyDelete(cacheDir / "a.0", false)