int oldSize = getNumElements();

    Collection<V> result = multimap().asMap().get(k0());
    assertTrue(result.remove(v0()));

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

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

    assertContentsAnyOrder(result, v1(), v2());

    try {
      assertFalse(
          "remove(null) should return false or throw NullPointerException",
          collection.remove(null));
    } catch (NullPointerException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_QUERIES})
  public void testRemove_nullAllowed() {

  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_supportedWrongValue() {
    assertFalse(getMap().replace(k0(), v3(), v4()));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testReplaceEntry_supportedAbsentKey() {
    assertFalse(getMap().replace(k3(), v3(), v4()));
    expectUnchanged();
  }

  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_supportedWrongValue() {
    assertFalse(getMap().replace(k0(), v3(), v4()));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testReplaceEntry_supportedAbsentKey() {
    assertFalse(getMap().replace(k3(), v3(), v4()));
    expectUnchanged();
  }

    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    assertNull(cache.asMap().get(one));
    assertFalse(cache.asMap().containsKey(one));
    assertFalse(cache.asMap().containsValue(two));

    assertNull(cache.getIfPresent(two));
    stats = cache.stats();
    assertEquals(2, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());

    assertTrue(asMap.containsKey("foo"));
    assertFalse(asMap.containsKey("cow"));

    Set<Entry<String, Collection<Integer>>> entries = asMap.entrySet();
    assertFalse(entries.contains((Object) 4.5));
    assertFalse(entries.remove((Object) 4.5));
    assertFalse(entries.contains(Maps.immutableEntry("foo", singletonList(1))));
    assertFalse(entries.remove(Maps.immutableEntry("foo", singletonList(1))));

    @Override
    protected void startUp() {
      assertFalse(startUpCalled);
      assertFalse(runCalled);
      assertFalse(shutDownCalled);
      startUpCalled = true;
      assertEquals(State.STARTING, state());
    }

    @Override
    protected void run() {
      assertTrue(startUpCalled);
      assertFalse(runCalled);
      assertFalse(shutDownCalled);
      runCalled = true;

    assertEquals(set, Sets.newTreeSet(asList("a", "b", "c")));
    assertEquals(Sets.newTreeSet(asList("a", "b", "c")), set);
    assertFalse(set.equals(Sets.newTreeSet(asList("a", "b", "d"))));
    assertFalse(Sets.newTreeSet(asList("a", "b", "d")).equals(set));
    assertFalse(set.equals(newHashSet(4, 5, 6)));
    assertFalse(newHashSet(4, 5, 6).equals(set));
  }

  public void testEquals_bothExplicitOrdering() {

    // initial capacity / concurrency level
    assertEquals(16 / map.segments.length, map.segments[0].table.length());

    assertFalse(map.evictsBySize());
    assertFalse(map.expires());
    assertFalse(map.expiresAfterWrite());
    assertFalse(map.expiresAfterAccess());
    assertFalse(map.refreshes());
  }

  public void testSetKeyEquivalence() {
    Equivalence<Object> testEquivalence =

    try {
      assertFalse(
          "remove(null) should return false or throw NullPointerException",
          collection.remove(null));
    } catch (NullPointerException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_QUERIES})
  public void testRemove_nullAllowed() {