MultisetEntrySetTester.java 文件源码

@CollectionSize.Require(SEVERAL)
@CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
@MultisetFeature.Require(ENTRIES_ARE_VIEWS)
public void testEntryReflectsIteratorRemove() {
  initThreeCopies();
  assertEquals(3, getMultiset().count(e0()));
  Multiset.Entry<E> entry = Iterables.getOnlyElement(getMultiset().entrySet());
  assertEquals(3, entry.getCount());
  Iterator<E> itr = getMultiset().iterator();
  itr.next();
  itr.remove();
  assertEquals(2, entry.getCount());
  itr.next();
  itr.remove();
  itr.next();
  itr.remove();
  assertEquals(0, entry.getCount());
}