Enumeration<Integer> enumer = enumerate();
    Iterator<Integer> iter = Iterators.forEnumeration(enumer);

    assertFalse(iter.hasNext());
    assertThrows(NoSuchElementException.class, () -> iter.next());
  }

  @SuppressWarnings("DoNotCall")
  public void testForEnumerationSingleton() {
    Enumeration<Integer> enumer = enumerate(1);

        try ( SmbFile smbFile = new SmbFile("smb://" + getRequiredProperty(TestProperties.TEST_DOMAIN_SHORT), ctx) ) {
            // if domain is resolved through DNS this will be treated as a server and will enumerate shares instead
            Assume.assumeTrue("Not workgroup", SmbConstants.TYPE_WORKGROUP == smbFile.getType());
            try ( CloseableIterator<SmbResource> it = smbFile.children() ) {

    Enumeration<Integer> enumer = enumerate();
    Iterator<Integer> iter = Iterators.forEnumeration(enumer);

    assertFalse(iter.hasNext());
    assertThrows(NoSuchElementException.class, () -> iter.next());
  }

  @SuppressWarnings("DoNotCall")
  public void testForEnumerationSingleton() {
    Enumeration<Integer> enumer = enumerate(1);

    val route = selection.next()
    assertRoute(route, address, proxyA, dns.lookup(PROXY_A_HOST, 0), PROXY_A_PORT)
    routeDatabase.failed(route)
    routeSelector = newRouteSelector(address)

    // Confirm we enumerate both proxies, giving preference to the route from ProxyB.
    val selection2 = routeSelector.next()
    dns.assertRequests(PROXY_A_HOST, PROXY_B_HOST)

            searchAttributes = dff.attributes;
        }
        SmbResourceLocator locator = parent.getLocator();
        if ( locator.getURL().getHost().isEmpty() ) {
            // smb:// -> enumerate servers through browsing
            Address addr;
            try {
                addr = locator.getAddress();
            }
            catch ( CIFSException e ) {

      )
    factory.newConnection(pool, routeA1)
    assertThat(realTaskRunner.activeQueues()).isNotEmpty()
    Thread.sleep(100)
    val threads = arrayOfNulls<Thread>(Thread.activeCount() * 2)
    Thread.enumerate(threads)
    for (t in threads) {
      if (t != null && t.name == "OkHttp TaskRunner") {
        t.interrupt()
      }
    }
    Thread.sleep(100)
    assertThat(realTaskRunner.activeQueues()).isEmpty()

        `tf.data.Dataset.interleave` to the number of schedulable CPU cores.
    *   Promoting `tf.data.experimental.enumerate_dataset` to core as
        `tf.data.Dataset.enumerate`.
    *   Promoting `tf.data.experimental.unbatch` to core as
        `tf.data.Dataset.unbatch`.
    *   Adds option for introducing slack in the pipeline to reduce CPU