List<?> normalValues = (List<?>) asList(elements);
      List<E> extremeValues = new ArrayList<>();

      // nulls are usually out of bounds for a subset, so ban them altogether
      for (Object o : elements) {
        if (o == null) {
          throw new NullPointerException();
        }
      }

      // prepare extreme values to be filtered out of view

    initThreeCopies();
    assertSetCountDecreasingFailure(e0(), 1);
  }

  // setCount with nulls:

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_VALUES})
  public void testSetCount_removeNull_nullSupported() {
    initCollectionWithNullElement();
    assertSetCount(null, 0);
  }

  @CollectionFeature.Require(
      value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES},

        entry1.dfs_name = null;
        arrayWithNulls.s[0] = entry1;

        netdfs.DfsInfo200 entry2 = new netdfs.DfsInfo200();
        entry2.dfs_name = "valid_share";
        arrayWithNulls.s[1] = entry2;

        // Replace the info.e field
        setDfsEnumArray(dfsRootEnum, arrayWithNulls);

        // Test getEntries handles nulls
        FileEntry[] entries = dfsRootEnum.getEntries();

   * elements than the collection), the element in the array immediately following the end of the
   * collection is set to {@code null}. This is useful in determining the length of the collection
   * <i>only</i> if the caller knows that the collection does not contain any null elements.
   *
   * <p>This method returns the elements in the order they are returned by the collection's
   * iterator.
   *

   * elements than the collection), the element in the array immediately following the end of the
   * collection is set to {@code null}. This is useful in determining the length of the collection
   * <i>only</i> if the caller knows that the collection does not contain any null elements.
   *
   * <p>This method returns the elements in the order they are returned by the collection's
   * iterator.
   *

        // Match by share name or server address, safely handling nulls
        boolean shareMatch = resourceName != null && shareName != null && resourceName.equalsIgnoreCase(shareName);

        String serverAddress = registration.getServerAddress() != null ? registration.getServerAddress().getHostAddress() : null;
        boolean addressMatch = java.util.Objects.equals(resourceName, serverAddress);

  /**
   * Moves the last entry in the entry array into {@code dstIndex}, and nulls out its old position.
   */
  void moveLastEntry(int dstIndex) {
    int srcIndex = size() - 1;
    if (dstIndex < srcIndex) {
      // move last entry to deleted spot
      keys[dstIndex] = keys[srcIndex];
      values[dstIndex] = values[srcIndex];
      keys[srcIndex] = null;
      values[srcIndex] = 0;

   *             impossible.
   *         <li>Test will fail if the constructor or factory method throws exception.
   *       </ul>
   *   <li>If there is no non-private constructor or non-private static factory method declared by
   *       {@code cls}, instance methods are skipped for nulls test.

   */
  /*
   * By declaring <T> instead of <T extends @Nullable Object>, we declare this method as requiring a
   * stream whose elements are non-null. However, the method goes out of its way to still handle
   * nulls in the stream. This means that the method can safely be used with a stream that contains
   * nulls as long as the *last* element is *not* null.
   *

  }

  /*
   * All the ContiguousSet generators below manually reject nulls here. In principle, we'd like to
   * defer that to Range, since it's ContiguousSet.create() that's used to create the sets. However,
   * that gets messy here, and we already have null tests for Range.
   */

  /*
   * These generators also rely on consecutive integer inputs (not necessarily in order, but no