.addEqualityGroup(parse("expireAfterAccess=60m"), parse("expireAfterAccess=1h"))
        .addEqualityGroup(parse("expireAfterWrite=60s"), parse("expireAfterWrite=1m"))
        .addEqualityGroup(parse("expireAfterWrite=60m"), parse("expireAfterWrite=1h"))
        .addEqualityGroup(parse("weakKeys"), parse("weakKeys"))
        .addEqualityGroup(parse("softValues"), parse("softValues"))

        .addEqualityGroup(parse("expireAfterAccess=60m"), parse("expireAfterAccess=1h"))
        .addEqualityGroup(parse("expireAfterWrite=60s"), parse("expireAfterWrite=1m"))
        .addEqualityGroup(parse("expireAfterWrite=60m"), parse("expireAfterWrite=1h"))
        .addEqualityGroup(parse("weakKeys"), parse("weakKeys"))
        .addEqualityGroup(parse("softValues"), parse("softValues"))

        CacheBuilder.newBuilder().expireAfterWrite(3600, SECONDS);
    assertThrows(IllegalStateException.class, () -> builder.expireAfterWrite(3600, SECONDS));
  }

  @GwtIncompatible // Duration
  public void testTimeToLive_setTwice_duration() {
    CacheBuilder<Object, Object> builder =
        CacheBuilder.newBuilder().expireAfterWrite(Duration.ofHours(1));

    fakeTicker.advance(1000, MILLISECONDS);
    assertEquals(null, cache.getIfPresent(0));
  }

  public void testExpireAfterWrite() {
    final Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder().expireAfterWrite(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(10, 100);
    cache.put(20, 200);
    cache.put(4, 2);

    fakeTicker.advance(999, MILLISECONDS);

   * @throws IllegalStateException if {@link #expireAfterWrite} was already set
   */
  @SuppressWarnings("GoodTime") // should accept a Duration
  @CanIgnoreReturnValue
  public CacheBuilder<K, V> expireAfterWrite(long duration, TimeUnit unit) {
    checkState(
        expireAfterWriteNanos == UNSET_INT,
        "expireAfterWrite was already set to %s ns",
        expireAfterWriteNanos);

   * @throws IllegalStateException if {@link #expireAfterWrite} was already set
   */
  @SuppressWarnings("GoodTime") // should accept a Duration
  @CanIgnoreReturnValue
  public CacheBuilder<K, V> expireAfterWrite(long duration, TimeUnit unit) {
    checkState(
        expireAfterWriteNanos == UNSET_INT,
        "expireAfterWrite was already set to %s ns",
        expireAfterWriteNanos);

        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(
                    createCacheBuilder()
                        .expireAfterWrite(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterWrite") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,

        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(
                    createCacheBuilder()
                        .expireAfterWrite(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterWrite") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,

  private final Ticker ticker;
  private final long expireAfterWrite;
  private final long expireAfterAccess;

  LocalCache(CacheBuilder<? super K, ? super V> builder, CacheLoader<? super K, V> loader) {
    this.loader = loader;
    this.removalListener = builder.removalListener;
    this.expireAfterAccess = builder.expireAfterAccessNanos;
    this.expireAfterWrite = builder.expireAfterWriteNanos;

    checkEmpty(cache);
  }

  public void testGet_expireAfterWrite() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .expireAfterWrite(0, SECONDS)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertSame(computed, cache.getUnchecked(key));