assertFalse(map.containsKey("1"));
    assertFalse(map.containsKey("2"));
    assertFalse(map.containsKey("3"));
    assertEquals(0L, map.get("1"));
    assertEquals(0L, map.get("2"));
    assertEquals(0L, map.get("3"));

    map.putAll(in);
    assertFalse(map.isEmpty());
    assertEquals(3, map.size());
    assertTrue(map.containsKey("1"));
    assertTrue(map.containsKey("2"));
    assertTrue(map.containsKey("3"));

  public void testContains_yes() {
    assertTrue("containsKey(present) should return true", getMap().containsKey(k0()));
  }

  public void testContains_no() {
    assertFalse("containsKey(notPresent) should return false", getMap().containsKey(k3()));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testContains_nullNotContainedButAllowed() {
    assertFalse("containsKey(null) should return false", getMap().containsKey(null));

            if (dependents != null && !dependents.isEmpty()) {
                for (String dependentId : dependents) {
                    if (!buildSuccessesByProject.containsKey(dependentId)
                            && !buildFailuresByProject.containsKey(dependentId)) {
                        blackList(dependentId);
                    }
                }
            }
        }
    }

    /**
     * @throws Exception
     */
    @Test
    public void testContainsKey() throws Exception {
        assertThat(map.containsKey("2"), is(true));
        assertThat(map.containsKey("3"), is(not(true)));
        map.put("3", null);
        assertThat(map.containsKey("3"), is(true));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf() throws Exception {

    assertFalse(multimap().containsKey(k0()));
    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()));

        assertNotNull(result);
        assertEquals(2, result.size());
        assertTrue(result.containsKey(mockDomainSid));
        assertTrue(result.containsKey(mockSid1));
        assertEquals(group1Members, result.get(mockDomainSid));
        assertEquals(group2Members, result.get(mockSid1));
    }

    @Test

    return delegate().remove(key);
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return delegate().containsKey(key);
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    return delegate().containsValue(value);
  }

  @Override

      assertThat(cache.getUnchecked(key2)).isSameInstanceAs(value2);
      cache.invalidate(key1);
      assertThat(cache.asMap().containsKey(key1)).isFalse();
      assertThat(cache.asMap().containsKey(key2)).isTrue();
      assertThat(cache.size()).isEqualTo(1);
      assertThat(cache.asMap().keySet()).isEqualTo(ImmutableSet.of(key2));
      assertThat(cache.asMap().values()).contains(value2);

    assertEquals(expected.get("a"), map.get("a"));
    assertEquals(expected.containsKey("a"), map.containsKey("a"));
    assertEquals(expected.get("b"), map.get("b"));
    assertEquals(expected.containsKey("b"), map.containsKey("b"));
    assertEquals(expected.get("c"), map.get("c"));
    assertEquals(expected.containsKey("c"), map.containsKey("c"));
  }

  public void testTransformReflectsUnderlyingMap() {

    resetContainer(getSubjectGenerator().create((Object[]) entries));
  }

  protected void expectMissingKeys(K... elements) {
    for (K element : elements) {
      assertFalse("Should not contain key " + element, getMap().containsKey(element));
    }
  }

  protected void expectMissingValues(V... elements) {
    for (V element : elements) {
      assertFalse("Should not contain value " + element, getMap().containsValue(element));
    }
  }