}

        then:
        attrs.asMap() == [
            (CATEGORY_ATTRIBUTE): named(Category, LIBRARY)
        ]

        when:
        attrs = AttributeTestUtil.attributesFactory().mutable()
        services.configureAttributes(Stub(HasConfigurableAttributes) { getAttributes() >> attrs }) {
            it.platform()
        }

        then:
        attrs.asMap() == [

    ConcurrentMap<Integer, Integer> asMap = cache.asMap();

    cache.put(10, 100);
    cache.put(2, 52);

    asMap.replace(2, 79);
    asMap.replace(3, 60);

    assertEquals(null, cache.getIfPresent(3));
    assertEquals(null, asMap.get(3));

    assertEquals(Integer.valueOf(79), cache.getIfPresent(2));
    assertEquals(Integer.valueOf(79), asMap.get(2));

    asMap.replace(10, 100, 50);

  public void testAsMapValuesImplementSet() {
    for (Collection<V> valueCollection : multimap().asMap().values()) {
      assertTrue(valueCollection instanceof Set);
    }
  }

  public void testAsMapGetImplementsSet() {
    for (K key : multimap().keySet()) {
      assertTrue(multimap().asMap().get(key) instanceof Set);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

        Object newValue = new Object();
        assertSame(entry.getValue(), cache.asMap().replace(entry.getKey(), newValue));
        assertTrue(cache.asMap().replace(entry.getKey(), newValue, entry.getValue()));
        Object newKey = new Object();
        assertNull(cache.asMap().replace(newKey, entry.getValue()));
        assertFalse(cache.asMap().replace(newKey, entry.getValue(), newValue));

  }

  @Override
  Map<K, Collection<V>> createAsMap() {
    return new AsMap();
  }

  @Override
  Set<K> createKeySet() {
    return asMap().keySet();
  }

  boolean removeEntriesIf(Predicate<? super Entry<K, Collection<V>>> predicate) {
    Iterator<Entry<K, Collection<V>>> entryIterator = unfiltered.asMap().entrySet().iterator();
    boolean changed = false;
    while (entryIterator.hasNext()) {

  public void testAsMapValuesImplementList() {
    for (Collection<V> valueCollection : multimap().asMap().values()) {
      assertTrue(valueCollection instanceof List);
    }
  }

  public void testAsMapGetImplementsList() {
    for (K key : multimap().keySet()) {
      assertTrue(multimap().asMap().get(key) instanceof List);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

  public void testAsMapValuesImplementList() {
    for (Collection<V> valueCollection : multimap().asMap().values()) {
      assertTrue(valueCollection instanceof List);
    }
  }

  public void testAsMapGetImplementsList() {
    for (K key : multimap().keySet()) {
      assertTrue(multimap().asMap().get(key) instanceof List);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

  }

  @Override
  Map<K, Collection<V>> createAsMap() {
    return new AsMap();
  }

  @Override
  Set<K> createKeySet() {
    return asMap().keySet();
  }

  boolean removeEntriesIf(Predicate<? super Entry<K, Collection<V>>> predicate) {
    Iterator<Entry<K, Collection<V>>> entryIterator = unfiltered.asMap().entrySet().iterator();
    boolean changed = false;
    while (entryIterator.hasNext()) {

  public void testAsMapValuesImplementSet() {
    for (Collection<V> valueCollection : multimap().asMap().values()) {
      assertTrue(valueCollection instanceof Set);
    }
  }

  public void testAsMapGetImplementsSet() {
    for (K key : multimap().keySet()) {
      assertTrue(multimap().asMap().get(key) instanceof Set);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

    return Multimaps.unmodifiableMultimap(LinkedHashMultimap.<String, Integer>create()).asMap();
  }

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