assertFalse(segment.remove(key, hash, oldValue));
    assertEquals(0, segment.count);
    assertThat(segment.get(key, hash)).isNull();
  }

  @SuppressWarnings("GuardedBy")
  public void testExpand() {
    MapMakerInternalMap<Object, Object, ?, ?> map =
        makeMap(createMapMaker().concurrencyLevel(1).initialCapacity(1));
    Segment<Object, Object, ?, ?> segment = map.segments[0];

    assertFalse(segment.remove(key, hash, oldValue));
    assertEquals(0, segment.count);
    assertThat(segment.get(key, hash)).isNull();
  }

  @SuppressWarnings("GuardedBy")
  public void testExpand() {
    MapMakerInternalMap<Object, Object, ?, ?> map =
        makeMap(createMapMaker().concurrencyLevel(1).initialCapacity(1));
    Segment<Object, Object, ?, ?> segment = map.segments[0];

    oldValueRef.clear();
    assertThat(segment.remove(key, hash, oldValue)).isFalse();
    assertThat(segment.count).isEqualTo(0);
    assertThat(segment.get(key, hash)).isNull();
  }

  public void testExpand() {
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().concurrencyLevel(1).initialCapacity(1));
    Segment<Object, Object> segment = map.segments[0];

    oldValueRef.clear();
    assertThat(segment.remove(key, hash, oldValue)).isFalse();
    assertThat(segment.count).isEqualTo(0);
    assertThat(segment.get(key, hash)).isNull();
  }

  public void testExpand() {
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().concurrencyLevel(1).initialCapacity(1));
    Segment<Object, Object> segment = map.segments[0];