}

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @MultisetFeature.Require(ENTRIES_ARE_VIEWS)
  public void testEntryViewReflectsRemove() {
    initThreeCopies();
    assertEquals(3, getMultiset().count(e0()));
    Multiset.Entry<E> entry = getOnlyElement(getMultiset().entrySet());
    assertEquals(3, entry.getCount());
    assertTrue(getMultiset().remove(e0()));

  public void testRemoveAllIgnoresCount() {
    initThreeCopies();
    assertTrue(getMultiset().removeAll(singleton(e0())));
    assertEmpty(getMultiset());
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRetainAllIgnoresCount() {
    initThreeCopies();
    List<E> contents = copyToList(getMultiset());

  public void testRemoveAllIgnoresCount() {
    initThreeCopies();
    assertTrue(getMultiset().removeAll(singleton(e0())));
    assertEmpty(getMultiset());
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRetainAllIgnoresCount() {
    initThreeCopies();
    List<E> contents = copyToList(getMultiset());

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSetCount_threeToZero_supported() {
    initThreeCopies();
    assertSetCount(e0(), 0);
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSetCount_threeToOne_supported() {
    initThreeCopies();
    assertSetCount(e0(), 1);
  }

  @CollectionSize.Require(absent = ZERO)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSetCount_threeToZero_supported() {
    initThreeCopies();
    assertSetCount(e0(), 0);
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSetCount_threeToOne_supported() {
    initThreeCopies();
    assertSetCount(e0(), 1);
  }

  @CollectionSize.Require(absent = ZERO)

  public void testCount_1() {
    assertEquals("multiset.count(present) didn't return 1", 1, getMultiset().count(e0()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testCount_3() {
    initThreeCopies();
    assertEquals("multiset.count(thriceContained) didn't return 3", 3, getMultiset().count(e0()));
  }

  @CollectionFeature.Require(ALLOWS_NULL_QUERIES)
  public void testCount_nullAbsent() {

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class AbstractMultisetTester<E> extends AbstractCollectionTester<E> {
  protected final Multiset<E> getMultiset() {
    return (Multiset<E>) collection;
  }

  protected void initThreeCopies() {
    collection = getSubjectGenerator().create(e0(), e0(), e0());
  }

    expectUnchanged();
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCountConditional_oldCountTooSmallNonzero() {
    initThreeCopies();
    assertFalse(
        "setCount() with a too-small oldCount should return false",
        getMultiset().setCount(e0(), 1, 5));
    expectContents(nCopies(3, e0()));
  }

  /*

    expectUnchanged();
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCountConditional_oldCountTooSmallNonzero() {
    initThreeCopies();
    assertFalse(
        "setCount() with a too-small oldCount should return false",
        getMultiset().setCount(e0(), 1, 5));
    expectContents(nCopies(3, e0()));
  }

  /*

    assertEquals(expectedSize, getMultiset().size());
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testElementSetRemoveDuplicatePropagatesToMultiset() {
    initThreeCopies();
    int size = getNumElements();
    int expectedSize = size - getMultiset().count(e0());
    Set<E> elementSet = getMultiset().elementSet();
    assertTrue(elementSet.remove(e0()));
    assertEmpty(getMultiset());