assertThrows(NullPointerException.class, () -> Booleans.toArray(list));
  }

  @SuppressWarnings({"CollectionIsEmptyTruth", "CollectionIsNotEmptyTruth"})
  public void testAsListIsEmpty() {
    assertThat(Booleans.asList(EMPTY).isEmpty()).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE).isEmpty()).isFalse();
  }

  @SuppressWarnings("CollectionSizeTruth")
  public void testAsListSize() {