assertEquals(3, Iterables.size(partitions));
    assertEquals(Arrays.<@Nullable Integer>asList(5, null), Iterables.getLast(partitions));
  }

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