if (localValue != null & notInstanceOfDelegatingToFuture(localValue)) {
      return getDoneValue(localValue);
    }
    // we delay calling nanoTime until we know we will need to either park or spin
    long endNanos = remainingNanos > 0 ? System.nanoTime() + remainingNanos : 0;
    long_wait_loop:
    if (remainingNanos >= SPIN_THRESHOLD_NANOS) {
      Waiter oldHead = waitersField;

    if (localValue != null & notInstanceOfDelegatingToFuture(localValue)) {
      return getDoneValue(localValue);
    }
    // we delay calling nanoTime until we know we will need to either park or spin
    long endNanos = remainingNanos > 0 ? System.nanoTime() + remainingNanos : 0;
    long_wait_loop:
    if (remainingNanos >= SPIN_THRESHOLD_NANOS) {
      Waiter oldHead = waitersField;

      super.begin();
    }
  }

  /**
   * Because Thread.interrupt() can invoke arbitrary code, it can be slow (e.g. perform IO). To
   * protect ourselves from that we want to make sure that tasks don't spin too much waiting for the
   * interrupting thread to complete the protocol.
   */
  /*
   * This test hangs (or maybe is just *very* slow) under Android.
   *

    } catch (Throwable t) {
      threadUnexpectedException(t);
    }
  }

  //     /**
  //      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
  //      */
  //     public void await(AtomicBoolean flag) {
  //         await(flag, LONG_DELAY_MS);
  //     }

  //     /**
  //      * Spin-waits up to the specified timeout until flag becomes true.
  //      */

     * been intended for something else, so don't clear it.
     */
    boolean restoreInterruptedBit = false;
    int spinCount = 0;
    // Interrupting Cow Says:
    //  ______
    // < Spin >
    //  ------
    //        \   ^__^
    //         \  (oo)\_______
    //            (__)\       )\/\
    //                ||----w |
    //                ||     ||
    Runnable state = get();

   * simultaneously adopted and removed.
   */
  private val connections = ConcurrentLinkedQueue<RealConnection>()

  init {
    // Put a floor on the keep alive duration, otherwise cleanup will spin loop.
    require(keepAliveDuration > 0L) { "keepAliveDuration <= 0: $keepAliveDuration" }
  }

  fun idleConnectionCount(): Int =
    connections.count {
      it.withLock { it.calls.isEmpty() }
    }

    Assertions.assertTrue(pin.matchesCertificate(certA1.certificate))
    Assertions.assertFalse(pin.matchesCertificate(certB1.certificate))
  }

  @Test
  fun testMatchesSha1() {
    val pin = CertificatePinner.Pin("example.com", certC1Sha1Pin)
    Assertions.assertTrue(pin.matchesCertificate(certC1.certificate))
    Assertions.assertFalse(pin.matchesCertificate(certB1.certificate))

import mockwebserver3.MockWebServer
import mockwebserver3.SocketEffect.ShutdownConnection
import mockwebserver3.junit5.StartStop
import okhttp3.CertificatePinner
import okhttp3.CertificatePinner.Companion.pin
import okhttp3.OkHttpClientTestRule
import okhttp3.RecordingHostnameVerifier
import okhttp3.Request
import okhttp3.internal.platform.Platform.Companion.get
import okhttp3.testing.PlatformRule

    assertFalse(pin.matchesHostname("www.example.com"))
  }

  @Test fun testMatchesSha256() {
    val pin = Pin("example.com", certA1Sha256Pin)
    assertTrue(pin.matchesCertificate(certA1.certificate))
    assertFalse(pin.matchesCertificate(certB1.certificate))
  }

  @Test fun testMatchesSha1() {
    val pin = Pin("example.com", certC1Sha1Pin)
    assertTrue(pin.matchesCertificate(certC1.certificate))

      when {
        pin.startsWith("sha1/") -> {
          this.hashAlgorithm = "sha1"
          this.hash = pin.substring("sha1/".length).decodeBase64() ?: throw IllegalArgumentException("Invalid pin hash: $pin")
        }
        pin.startsWith("sha256/") -> {
          this.hashAlgorithm = "sha256"