assertEquals(unit.toNanos(duration), map.expireAfterAccessNanos);
  }

  public void testSetRefresh() {
    long duration = 42;
    TimeUnit unit = TimeUnit.SECONDS;
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().refreshAfterWrite(duration, unit));
    assertEquals(unit.toNanos(duration), map.refreshNanos);
  }

import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit test for {@link ImmutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 */
public class ImmutableTypeToInstanceMapTest extends TestCase {

  @AndroidIncompatible // problem with suite builders on Android

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.testing.NullPointerTester;
import java.util.Arrays;

/** Unit test for {@link AtomicDoubleArray}. */
public class AtomicDoubleArrayTest extends JSR166TestCase {

  private static final double[] VALUES = {
    Double.NEGATIVE_INFINITY,
    -Double.MAX_VALUE,

import com.google.common.testing.SerializableTester;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import junit.framework.TestCase;

/**
 * Unit test for {@link SignedBytes}.
 *
 * @author Kevin Bourrillion
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)
public class SignedBytesTest extends TestCase {

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Random;
import junit.framework.TestCase;

/**
 * Unit tests for {@link Utf8}.
 *
 * @author Jon Perlow
 * @author Martin Buchholz
 * @author Clément Roux
 */
@GwtCompatible(emulated = true)
public class Utf8Test extends TestCase {

 * the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import java.util.SortedSet;
import junit.framework.TestCase;

/**
 * Unit tests for {@code SortedIterables}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public class SortedIterablesTest extends TestCase {
  public void testSameComparator() {

import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link AbstractMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 */
@SuppressWarnings("serial") // No serialization is used in this test
@GwtCompatible(emulated = true)

import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link AbstractMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 */
@SuppressWarnings("serial") // No serialization is used in this test
@GwtCompatible(emulated = true)

import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit test of {@link MutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 */
public class MutableTypeToInstanceMapTest extends TestCase {

  @AndroidIncompatible // problem with suite builders on Android

    private final long timeout;
    private final TimeUnit unit;
    private Exception exception;
    private volatile long startTime;
    private long timeSpentBlocked;

    TimedWaiterThread(AbstractFuture<?> future, long timeout, TimeUnit unit) {
      this.future = future;
      this.timeout = timeout;
      this.unit = unit;
    }

    @Override
    public void run() {