// POI's row numbers are 0-based also - the last cell in the sheet is
// actually A6.
assertEquals(5, sheet.getLastRowNum());
ZeroBasedRowIterator it = new ZeroBasedRowIterator(sheet);
assertTrue(it.hasNext());
assertNull(it.next());
assertTrue(it.hasNext());
assertNull(it.next());
assertTrue(it.hasNext());
assertNull(it.next());
assertTrue(it.hasNext());
assertNull(it.next());
assertTrue(it.hasNext());
assertNull(it.next());
assertTrue(it.hasNext());
assertNotNull(it.next());
assertFalse(it.hasNext());
}