@Test
public void testCreate_Zero() {

    Series<Integer> s = new IntSequenceSeries(0, 10);
    SeriesTruncator<Integer> tr = SeriesTruncator.create(s, 0);
    assertSame(s, tr.series);
    assertTrue(tr.truncated);
    assertEquals(0, tr.head);
    assertEquals(0, tr.tail);
}