fun connectionCount(): Int = delegate.connectionCount()

  internal val connectionListener: ConnectionListener
    get() = delegate.connectionListener

  /** Close and remove all idle connections in the pool. */
  fun evictAll() {
    delegate.evictAll()
  }

  /**
   * Sets a policy that applies to [address].
   * Overwrites any existing policy for that address.

    strictly ASCII. This issue is tracked as [CVE-2021-0341].


## Version 4.9.1

_2021-01-30_

 *  Fix: Work around a crash in Android 10 and 11 that may be triggered when two threads
    concurrently close an SSL socket. This would have appeared in crash logs as
    `NullPointerException: bio == null`.


## Version 4.9.0

_2020-09-11_

      val requestBodyOut = requestBody.takeSink()
      assertFailsWith<IOException> {
        SlowRequestBody.writeTo(requestBodyOut)
      }
      assertFailsWith<IOException> {
        requestBodyOut.close()
      }
    }

    // Confirm that the connection pool was not corrupted by making another call.
    makeSimpleCall()
  }

  @Test
  fun serverTruncatesRequestButTrailersCanStillBeReadHttp1() {

    server.listener.assertExhausted()
    server.source.close()
    client.source.close()
    taskFaker.runTasks()
    server.webSocket!!.tearDown()
    client.webSocket!!.tearDown()
    taskFaker.close()
  }

  @Test
  fun close() {
    client.webSocket!!.close(1000, "Hello!")
    // This will trigger a close response.
    assertThat(server.processNextFrame()).isFalse()

 * * `Response.body().close()`
 * * `Response.body().source().close()`
 * * `Response.body().charStream().close()`
 * * `Response.body().byteStream().close()`
 * * `Response.body().bytes()`
 * * `Response.body().string()`
 *
 * There is no benefit to invoking multiple `close()` methods for the same response body.
 *
 * For synchronous calls, the easiest way to make sure a response body is closed is with a `try`

    }
  }

  @Test fun closeReservedSetThrows() {
    data.write("880203ec".decodeHex()) // Close with code 1004
    data.write("880203ed".decodeHex()) // Close with code 1005
    data.write("880203ee".decodeHex()) // Close with code 1006
    for (i in 1015..2999) {
      data.write(("8802" + format("%04X", i)).decodeHex()) // Close with code 'i'
    }
    var count = 0
    while (!data.exhausted()) {

    // Confirm all sent messages were received, followed by a client-initiated close.
    val server = serverListener.assertOpen()
    for (i in 0 until messageCount) {
      serverListener.assertBinaryMessage(message)
    }
    serverListener.assertClosing(1001, "")

    // When the server acknowledges the close the connection shuts down gracefully.
    server.close(1000, null)
    clientListener.assertClosing(1000, "")

 * part is particularly large or if the underlying source is particularly slow, the [nextPart] call
 * may be slow!
 *
 * Closing a part **does not** close this multipart reader; callers must explicitly close this with
 * [close].
 *
 * [rfc_2046]: http://www.ietf.org/rfc/rfc2046.txt
 */
class MultipartReader
  @Throws(IOException::class)
  constructor(
    private val source: BufferedSource,

        @Throws(IOException::class)
        override fun close() {
          if (!cacheRequestClosed &&
            !discard(ExchangeCodec.DISCARD_STREAM_TIMEOUT_MILLIS, MILLISECONDS)
          ) {
            cacheRequestClosed = true
            cacheRequest.abort()
          }
          source.close()
        }
      }

    val contentType = response.header("Content-Type")

  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  private var client = clientTestRule.newClient()

  @AfterEach internal fun tearDown() {
    factory.close()
  }

  @Test fun nonRetryableIOException() {
    val exception = IOException("Non-handshake exception")
    assertThat(retryTlsHandshake(exception)).isFalse()
  }