assertTrue(
        "non-empty multiset.entrySet() iterator.hasNext() returned false", iterator.hasNext());
    assertEquals(
        "multiset.entrySet() iterator.next() returned incorrect entry",
        Multisets.immutableEntry(e0(), 1),
        iterator.next());
    assertFalse(
        "size 1 multiset.entrySet() iterator.hasNext() returned true after next()",
        iterator.hasNext());
    iterator.remove();
    assertTrue(

  @CheckForNull
  public Entry<E> pollFirstEntry() {
    Iterator<Entry<E>> entryIterator = entryIterator();
    if (entryIterator.hasNext()) {
      Entry<E> result = entryIterator.next();
      result = Multisets.immutableEntry(result.getElement(), result.getCount());
      entryIterator.remove();
      return result;
    }
    return null;
  }

  @Override
  @CheckForNull
  public Entry<E> pollLastEntry() {

        Cell<?, ?, ?> cell = (Cell<?, ?, ?>) o;
        Map<C, V> row = Maps.safeGet(rowMap(), cell.getRowKey());
        return row != null
            && Collections2.safeContains(
                row.entrySet(), Maps.immutableEntry(cell.getColumnKey(), cell.getValue()));
      }
      return false;
    }

    @Override
    public boolean remove(@CheckForNull Object o) {
      if (o instanceof Cell) {

      assertEquals(ImmutableSet.of(key1, key2), cache.asMap().keySet());
      assertThat(cache.asMap().values()).containsExactly(value1, value2);
      assertEquals(
          ImmutableSet.of(immutableEntry(key1, value1), immutableEntry(key2, value2)),
          cache.asMap().entrySet());
    }
  }

  public void testInvalidate() {
    for (LoadingCache<Key, String> cache : caches()) {
      Key key1 = new Key(1);

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.reflect;

import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.MapTestSuiteBuilder;

        Cell<?, ?, ?> cell = (Cell<?, ?, ?>) o;
        Map<C, V> row = Maps.safeGet(rowMap(), cell.getRowKey());
        return row != null
            && Collections2.safeContains(
                row.entrySet(), Maps.immutableEntry(cell.getColumnKey(), cell.getValue()));
      }
      return false;
    }

    @Override
    public boolean remove(@CheckForNull Object o) {
      if (o instanceof Cell) {

  }

  private int getCount(int index) {
    return (int) (cumulativeCounts[offset + index + 1] - cumulativeCounts[offset + index]);
  }

  @Override
  Entry<E> getEntry(int index) {
    return Multisets.immutableEntry(elementSet.asList().get(index), getCount(index));
  }

  @Override
  public void forEachEntry(ObjIntConsumer<? super E> action) {
    checkNotNull(action);
    for (int i = 0; i < length; i++) {

  }

  @WeakOuter
  private final class InverseEntries extends ImmutableList<Entry<V, K>> {
    @Override
    public Entry<V, K> get(int index) {
      Entry<K, V> entry = entries.get(index);
      return Maps.immutableEntry(entry.getValue(), entry.getKey());
    }

    @Override
    boolean isPartialView() {
      return false;
    }

    @Override
    public int size() {
      return entries.size();
    }

    ImmutableMultimap<String, Integer> multimap =
        new Builder<String, Integer>().put(Maps.immutableEntry("one", 1)).build();
    assertEquals(Arrays.asList(1), multimap.get("one"));
  }

  public void testBuilder_withImmutableEntryAndNullContents() {
    Builder<String, Integer> builder = new Builder<>();
    try {
      builder.put(Maps.immutableEntry("one", (Integer) null));
      fail();
    } catch (NullPointerException expected) {
    }

    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    return Multisets.immutableEntry(entry.getElement(), entry.getCount());
  }

  @Override
  @CheckForNull
  public Entry<E> lastEntry() {
    return delegate().lastEntry();
  }

  /**