assertContentsAnyOrder(multimap().removeAll(k0()), v0(), v1(), v2());
    assertEmpty(multimap());
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
  public void testRemoveAllNullKeyPresent() {
    initMultimapWithNullKey();

    assertContentsAnyOrder(multimap().removeAll(null), getValueForNullKey());

    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertTrue(multimap().containsEntry(k0(), v2()));

    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertTrue(multimap().containsEntry(k0(), v2()));

    assertContentsAnyOrder(multimap().removeAll(k0()), v0(), v1(), v2());
    assertEmpty(multimap());
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
  public void testRemoveAllNullKeyPresent() {
    initMultimapWithNullKey();

    assertContentsAnyOrder(multimap().removeAll(null), getValueForNullKey());

    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertTrue(multimap().containsEntry(k0(), v2()));

    Set<Entry<K, Collection<V>>> asMapEntrySet = multimap().asMap().entrySet();
    Collection<V> valueCollection = getOnlyElement(asMapEntrySet).getValue();
    assertContentsAnyOrder(valueCollection, v0(), v3());
    assertTrue(multimap().put(k0(), v4()));
    assertContentsAnyOrder(valueCollection, v0(), v3(), v4());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_PUT)

 * limitations under the License.
 */

package com.google.common.collect.testing.google;

import static com.google.common.collect.testing.Helpers.assertContentsAnyOrder;
import static com.google.common.collect.testing.Helpers.copyToList;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;

    Set<Entry<K, Collection<V>>> asMapEntrySet = multimap().asMap().entrySet();
    Collection<V> valueCollection = getOnlyElement(asMapEntrySet).getValue();
    assertContentsAnyOrder(valueCollection, v0(), v3());
    assertTrue(multimap().put(k0(), v4()));
    assertContentsAnyOrder(valueCollection, v0(), v3(), v4());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_PUT)

 * limitations under the License.
 */

package com.google.common.collect.testing.google;

import static com.google.common.collect.testing.Helpers.assertContentsAnyOrder;
import static com.google.common.collect.testing.Helpers.copyToList;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;

                + exp
                + ", actual = "
                + actString);
      }
    }
    assertTrue("unexpected elements: " + act, act.isEmpty());
  }

  public static void assertContentsAnyOrder(Iterable<?> actual, Object... expected) {
    assertEqualIgnoringOrder(asList(expected), actual);
  }

  public static void assertContains(Iterable<?> actual, Object expected) {
    boolean contained = false;