@Override
      protected Iterator<Integer> newTargetIterator() {
        return Iterators.forArray(1, 2, 3);
      }
    }.test();
  }

  /*
   * TODO(cpovirk): Test forArray with ListIteratorTester (not just IteratorTester), including with
   * a start position other than 0.
   */

  public void testForEnumerationEmpty() {

  }

  public void testCopyOf_iterator_oneElementRepeated() {
    Iterator<String> iterator = Iterators.forArray("a", "a", "a");
    Set<String> set = copyOf(iterator);
    assertEquals(Collections.singleton("a"), set);
  }

  public void testCopyOf_iterator_general() {
    Iterator<String> iterator = Iterators.forArray("a", "b", "a");
    Set<String> set = copyOf(iterator);
    assertEquals(2, set.size());

  }

  public void testCopyOf_iterator_oneElementRepeated() {
    Iterator<String> iterator = Iterators.forArray("a", "a", "a");
    Set<String> set = copyOf(iterator);
    assertEquals(Collections.singleton("a"), set);
  }

  public void testCopyOf_iterator_general() {
    Iterator<String> iterator = Iterators.forArray("a", "b", "a");
    Set<String> set = copyOf(iterator);
    assertEquals(2, set.size());

      @Override
      protected Iterator<Integer> newTargetIterator() {
        return Iterators.forArray(1, 2, 3);
      }
    }.test();
  }

  /*
   * TODO(cpovirk): Test forArray with ListIteratorTester (not just IteratorTester), including with
   * a start position other than 0.
   */

  public void testForEnumerationEmpty() {

      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterator_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Iterators.forArray(3, 4, 5, -1), -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterable_singleton_0() {

      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterator_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Iterators.forArray(3, 4, 5, -1), -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterable_singleton_0() {

          @Override
          public Iterator<V> iterator() {
            checkState(!calledIteratorAlready);
            calledIteratorAlready = true;
            return Iterators.forArray(v3());
          }
        };

    multimap().putAll(k3(), iterable);
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAllPropagatesToGet() {

   */
  public abstract boolean isOrdered();

  /** Iterates in the order {@link #nodeU()}, {@link #nodeV()}. */
  @Override
  public final UnmodifiableIterator<N> iterator() {
    return Iterators.forArray(nodeU, nodeV);
  }

  /**
   * Two ordered {@link EndpointPair}s are equal if their {@link #source()} and {@link #target()}

          @Override
          public Iterator<V> iterator() {
            checkState(!calledIteratorAlready);
            calledIteratorAlready = true;
            return Iterators.forArray(v3());
          }
        };

    multimap().putAll(k3(), iterable);
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAllPropagatesToGet() {

   * {@link ImmutableList#copyOf(Object[])}}, or {@link ImmutableList#of}.
   */
  @SafeVarargs
  public static <T extends @Nullable Object> UnmodifiableIterator<T> forArray(T... array) {
    return forArrayWithPosition(array, 0);
  }

  /**
   * Returns a list iterator containing the elements in the specified {@code array} in order,