Iterator<List<Integer>> iterator = partitions.iterator();
    assertTrue(iterator.next() instanceof RandomAccess);
    assertTrue(iterator.next() instanceof RandomAccess);
  }

  public void testPaddedPartitionNonRandomAccessInput() {
    Iterable<Integer> source = Lists.newLinkedList(asList(1, 2, 3));
    Iterable<List<Integer>> partitions = Iterables.paddedPartition(source, 2);
    Iterator<List<Integer>> iterator = partitions.iterator();