assertEquals(!multimap().get(k).isEmpty(), multimap().containsKey(k));
    }
  }

  public void testContainsKeyAgreesWithAsMap() {
    for (K k : sampleKeys()) {
      assertEquals(multimap().containsKey(k), multimap().asMap().containsKey(k));
    }
  }

  public void testContainsKeyAgreesWithKeySet() {
    for (K k : sampleKeys()) {
      assertEquals(multimap().containsKey(k), multimap().keySet().contains(k));
    }
  }

      assertEquals(!multimap().get(k).isEmpty(), multimap().containsKey(k));
    }
  }

  public void testContainsKeyAgreesWithAsMap() {
    for (K k : sampleKeys()) {
      assertEquals(multimap().containsKey(k), multimap().asMap().containsKey(k));
    }
  }

  public void testContainsKeyAgreesWithKeySet() {
    for (K k : sampleKeys()) {
      assertEquals(multimap().containsKey(k), multimap().keySet().contains(k));
    }
  }

    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() {

    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() {

    initMapWithNullValue();

    getMap().forcePut(k1(), null);

    expectContents(mapEntry(k1(), (V) null));

    assertFalse(getMap().containsKey(k0()));

    assertTrue(getMap().containsKey(k1()));
    assertTrue(getMap().inverse().containsKey(null));
    assertNull(getMap().get(k1()));
    assertEquals(k1(), getMap().inverse().get(null));
    assertEquals(1, getMap().size());
  }

      return;
    }
    assertFalse(map.containsKey(unmappedKey));
    try {
      assertFalse(map.containsKey(new IncompatibleKeyType()));
    } catch (ClassCastException tolerated) {
    }
    assertTrue(map.containsKey(map.keySet().iterator().next()));
    if (allowsNullKeys) {
      boolean unused = map.containsKey(null);
    } else {
      try {

        if (request.getUserProperties().containsKey(REVISION_PROPERTY)) {
            modelProperties.put(REVISION_PROPERTY, request.getUserProperties().get(REVISION_PROPERTY));
        }
        if (request.getUserProperties().containsKey(CHANGELIST_PROPERTY)) {
            modelProperties.put(CHANGELIST_PROPERTY, request.getUserProperties().get(CHANGELIST_PROPERTY));

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

    cache.invalidateAll();
    assertFalse(cache.asMap().containsKey(654));
    assertFalse(cache.asMap().containsKey(2456));
    assertFalse(cache.asMap().containsKey(2));

    cache.put(654, 2675);
    cache.put(2456, 56);
    cache.put(2, 15);
    cache.put(1, 3);

    cache.invalidateAll(ImmutableSet.of(1, 2));

    assertFalse(cache.asMap().containsKey(1));
    assertFalse(cache.asMap().containsKey(2));

        assertTrue(map.containsKey("maven-test:t09-a"), "maven-test:t09-a is not in the project");
        assertTrue(map.containsKey("maven-test:t09-b"), "maven-test:t09-b is not in the project");
        assertTrue(map.containsKey("maven-test:t09-c"), "maven-test:t09-c is not in the project");
        assertTrue(map.containsKey("maven-test:t09-d"), "maven-test:t09-d is not in the project");
    }