: UNEXPECTED_HANG_DELAY_MILLIS;
    boolean hung = !awaitUninterruptibly(callCompletedLatch, hangDelayMillis, MILLISECONDS);
    if (hung) {
      assertEquals(expectedOutcome, Outcome.HANG);
    } else {
      assertThat(task.get(UNEXPECTED_HANG_DELAY_MILLIS, MILLISECONDS)).isNull();
    }
  }

  @Override
  protected void tearDown() throws Exception {

            // Check if token is still valid by comparing absolute timestamps
            final long tokenExpiryTime = authResult.expiresOnDate().getTime(); // milliseconds since epoch
            final long currentTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong(); // milliseconds since epoch
            if (tokenExpiryTime < currentTime) {
                if (logger.isDebugEnabled()) {

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.ArrayList;
import java.util.List;

	ttl := t.ttl
	vTime := t.lastUpdateMs.Load()
	tNow := time.Now().UnixMilli()
	if v != nil && tNow-vTime < ttl.Milliseconds() {
		return *v, nil
	}

	// Fetch new value asynchronously, while we do not return an error
	// if v != nil value or
	if t.opts.NoWait && v != nil && tNow-vTime < ttl.Milliseconds()*2 {
		if t.updating.TryLock() {
			go func() {
				defer t.updating.Unlock()
				t.update(context.Background())

    assertThat(server.takeRequest(0, TimeUnit.MILLISECONDS)).isNull()
    assertThat(result).isEqualTo(listOf(address("157.240.1.18")))

    assertThat(cacheEvents()).containsExactly(CacheHit::class)

    result = cachedDns.lookup("www.google.com")
    assertThat(result).containsExactly(address("157.240.1.18"))
    recordedRequest = server.takeRequest(0, TimeUnit.MILLISECONDS)!!
    assertThat(recordedRequest.method).isEqualTo("POST")

 */

package com.google.common.util.concurrent;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static junit.framework.Assert.assertEquals;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.testing.TearDown;

        }

        return Collections.unmodifiableSet(result);
    }

    /**
     * Configure resource manager
     *
     * @param maxAge maximum resource age in milliseconds
     * @param cleanupInterval cleanup interval in milliseconds
     * @param enableLeakDetection enable leak detection
     * @param enableAutoCleanup enable auto cleanup
     */

            : UNEXPECTED_HANG_DELAY_MILLIS;
    boolean hung = !awaitUninterruptibly(callCompletedLatch, hangDelayMillis, MILLISECONDS);
    if (hung) {
      assertEquals(expectedOutcome, Outcome.HANG);
    } else {
      assertThat(task.get(UNEXPECTED_HANG_DELAY_MILLIS, MILLISECONDS)).isNull();
    }
  }

  @Override
  protected void tearDown() throws Exception {

	k, v, ok := lc.GetOldest()
	if k != "" {
		t.Fatalf("should be empty")
	}
	if v != "" {
		t.Fatalf("should be empty")
	}
	if ok {
		t.Fatalf("should be false")
	}

	lc.Add("key1", "val1")

	time.Sleep(100 * time.Millisecond) // not enough to expire
	if lc.Len() != 1 {

    public int getHeartbeatFailures() {
        return heartbeatFailures;
    }

    /**
     * Checks if this registration has expired based on the timeout.
     *
     * @param timeoutMs the timeout in milliseconds
     * @return true if the registration is expired
     */
    public boolean isExpired(long timeoutMs) {
        return System.currentTimeMillis() - lastHeartbeat > timeoutMs;
    }