}

  @SuppressWarnings({
    "deprecation", // test of deprecated method
    // We need to test that from(FluentIterable) really is just a null check.
    "InlineMeInliner",
  })
  public void testFrom_alreadyFluentIterable() {
    FluentIterable<Integer> iterable = FluentIterable.from(asList(1));
    assertThat(FluentIterable.from(iterable)).isSameInstanceAs(iterable);
  }

  public void testOf() {