List<Integer> collection =
        new ArrayList<Integer>(nums) {
          @Override
          public Iterator<Integer> iterator() {
            throw new AssertionFailedError("Don't iterate me!");
          }
        };
    assertEquals(5, FluentIterable.from(collection).size());
  }

  public void testContains_nullSetYes() {
    Iterable<String> set = Sets.newHashSet("a", null, "b");

    List<Integer> collection =
        new ArrayList<Integer>(nums) {
          @Override
          public Iterator<Integer> iterator() {
            throw new AssertionFailedError("Don't iterate me!");
          }
        };
    assertEquals(5, FluentIterable.from(collection).size());
  }

  public void testContains_nullSetYes() {
    Iterable<String> set = Sets.newHashSet("a", null, "b");