@Test public void estimate_size_returns_long_max_value() { assertThat(spliterator.estimateSize(), is(Long.MAX_VALUE)); }
@Test public void characteristics_are_immutable_nonnull_distinct() { assertThat(spliterator.characteristics(), is(IMMUTABLE | NONNULL | DISTINCT)); }
@Test public void try_split_returns_null() { assertThat(spliterator.trySplit(), is(nullValue())); }