assertSame(iterable, FluentIterable.from(iterable));
  }

  public void testOf() {
    assertEquals(ImmutableList.of(1, 2, 3, 4), Lists.newArrayList(FluentIterable.of(1, 2, 3, 4)));
  }

  public void testFromArray() {
    assertEquals(
        ImmutableList.of("1", "2", "3", "4"),
        Lists.newArrayList(FluentIterable.from(new Object[] {"1", "2", "3", "4"})));
  }

  public void testOf_empty() {