assertContains(multimap().entries(), mapEntry((K) null, getValueForNullKey()));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testContainsEntryWithNullKeyAbsent() {
    assertFalse(multimap().entries().contains(mapEntry(null, v0())));
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(ALLOWS_NULL_VALUES)
  public void testContainsEntryWithNullValuePresent() {

  public void testDistinctZeros() {
    AtomicDouble at = new AtomicDouble(+0.0);
    assertFalse(at.compareAndSet(-0.0, 7.0));
    assertFalse(at.weakCompareAndSet(-0.0, 7.0));
    assertBitEquals(+0.0, at.get());
    assertTrue(at.compareAndSet(+0.0, -0.0));
    assertBitEquals(-0.0, at.get());
    assertFalse(at.compareAndSet(+0.0, 7.0));
    assertFalse(at.weakCompareAndSet(+0.0, 7.0));
    assertBitEquals(-0.0, at.get());
  }

    cache.put(2, 15);

    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));

  }

  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));
    }
  }

    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());

        value.put(keys.get(0), true);
        value.put(keys.get(1), 1000);
        value.put(keys.get(2), "ja");
        value.put(keys.get(3), "str");
        docMap = new DocMap(value);
        assertFalse(docMap.isEmpty());

        Set<Map.Entry<String, Object>> actual = docMap.entrySet();
        assertTrue(actual.size() == keys.size());
        docMap.clear();

        assertTrue(docMap.isEmpty());
    }

            }
        });
        final OsddHelper osddHelper = new OsddHelper();
        osddHelper.setContentType("application/opensearchdescription+xml");
        osddHelper.init();
        assertFalse(osddHelper.hasOpenSearchFile());

        try {
            osddHelper.asStream();
            fail();
        } catch (final Exception e) {

     */
    @Test
    void testEquals() throws Exception {
        File tempFile = createTempFile("pomTest");
        FileModelSource instance = new FileModelSource(tempFile);

        assertFalse(instance.equals(null));
        assertFalse(instance.equals(new Object()));
        assertTrue(instance.equals(instance));
        assertTrue(instance.equals(new FileModelSource(tempFile)));
    }

    @Test

  public void testRemove_occurrences_present() {
    assertEquals(
        "multiset.remove(present, 2) didn't return the old count",
        1,
        getMultiset().remove(e0(), 2));
    assertFalse(
        "multiset contains present after multiset.remove(present, 2)",
        getMultiset().contains(e0()));
    assertEquals(0, getMultiset().count(e0()));
  }

  @CollectionSize.Require(SEVERAL)

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class SetAddTester<E> extends AbstractSetTester<E> {
  @CollectionFeature.Require(SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  public void testAdd_supportedPresent() {
    assertFalse("add(present) should return false", getSet().add(e0()));
    expectUnchanged();
  }

  @CollectionFeature.Require(value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)