cache.invalidate(key1);
      assertFalse(cache.asMap().containsKey(key1));
      assertTrue(cache.asMap().containsKey(key2));
      assertEquals(1, cache.size());
      assertEquals(ImmutableSet.of(key2), cache.asMap().keySet());
      assertThat(cache.asMap().values()).contains(value2);
      assertEquals(ImmutableSet.of(immutableEntry(key2, value2)), cache.asMap().entrySet());
    }
  }

    // 1 won't be cached
    assertThat(cache.getUnchecked(1)).isEqualTo(1);
    assertThat(cache.asMap().keySet()).isEmpty();

    CacheTesting.processPendingNotifications(cache);
    assertThat(removalListener.getCount()).isEqualTo(1);

    // 2 will be cached
    assertThat(cache.getUnchecked(2)).isEqualTo(2);
    assertThat(cache.asMap().keySet()).containsExactly(2);

    CacheTesting.processPendingNotifications(cache);

      try {
        multimap.asMap().get(presentKey).remove(sampleValue);
        fail("asMap().get().remove() succeeded on unmodifiable multimap");
      } catch (UnsupportedOperationException expected) {
      }
      assertMultimapRemainsUnmodified(multimap, originalEntries);

      try {
        multimap.asMap().values().iterator().next().remove(sampleValue);

    assertEquals(1, Iterators.size(cache.asMap().entrySet().iterator()));
    assertEquals(1, Iterators.size(cache.asMap().keySet().iterator()));
    assertEquals(1, Iterators.size(cache.asMap().values().iterator()));

    CacheTesting.expireEntries((LoadingCache<?, ?>) cache, EXPIRING_TIME, ticker);

    for (int i = 0; i < 11; i++) {
      assertFalse(cache.asMap().containsKey(KEY_PREFIX + i));
    }

    for (Collection<V> valueCollection : multimap().asMap().values()) {
      SortedSet<V> valueSet = (SortedSet<V>) valueCollection;
      assertEquals(multimap().valueComparator(), valueSet.comparator());
    }
  }

  public void testAsMapGetImplementsSortedSet() {
    for (K key : multimap().keySet()) {
      SortedSet<V> valueSet = (SortedSet<V>) multimap().asMap().get(key);

  protected Map<String, Collection<Integer>> makeEmptyMap() {
    return ImmutableMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableMultimap.copyOf(delegate).asMap();
  }

    Map<String, Integer> map = Maps.newHashMap();
    return Multimaps.forMap(map).asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Map<String, Integer> map = Maps.newHashMap();
    map.put("foo", 1);
    map.put("bar", 2);
    map.put("cow", 3);
    return Multimaps.forMap(map).asMap();
  }

  @Override
  public void testEntrySetRemoveAllNullFromEmpty() {
    try {

   * nor do its entries support {@link Entry#setValue setValue}.
   */
  Map<K, Collection<V>> asMap();

  // Comparison and hashing

  /**
   * Compares the specified object with this multimap for equality. Two multimaps are equal when
   * their map views, as returned by {@link #asMap}, are also equal.
   *
   * <p>In general, two multimaps with identical key-value mappings may or may not be equal,

   *
   * <p>When passed a key that is present in the map, {@code asMap().get(Object)} has the same
   * behavior as {@link #get}, returning a live collection. When passed a key that is not present,
   * however, {@code asMap().get(Object)} returns {@code null} instead of an empty collection.
   *

   *
   * <p>When passed a key that is present in the map, {@code asMap().get(Object)} has the same
   * behavior as {@link #get}, returning a live collection. When passed a key that is not present,
   * however, {@code asMap().get(Object)} returns {@code null} instead of an empty collection.
   *